2BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2DATA-SFT-ZA-0-1--138DATA-SFT-ZA-0-1--140755278577Electrical Power Clamp Meters5027327Test InstrumentsTest Instruments\General Meters6CF6B76F-4D86-426B-8966-627A5B3A97D27AED501A-37B6-403A-B16E-50FF5B5CB387B520F99D-5AD4-4279-9DC5-AB5E16D6C328DD3C53A1-C441-496F-BCA5-757B7863349B8A3480B4-C0B6-4CA9-993E-8770A3D7F48C380D5D29-80C9-4981-9CF2-B267D0EF6BB2ADE01F6A-9E6A-4147-8E50-9BA895D40CC4DD60A596-5A1D-4832-BB0B-BE9C581FF21ECA4377C9-E26A-401F-8F18-4DBE44E58725776695E1-49E7-4730-8027-4A9B5CF36A3E6AF93EFB-F761-4786-8BFE-5AF684DC8F13CC1C8111-6E9C-4103-BACE-5E224DEE7E4459440071-655E-4A2F-A7C3-00E26350B5CA5C4F6983-1426-40E8-B49E-A76808F8FA222504D113-CDCC-4D24-B9EA-7F9D899F08E487B5416E-FD2E-4995-BA6F-2EAA0AD308B1A891B17F-EDA2-4CA0-993F-49831391FE0BE2580D02-511C-42AF-94D6-6416F65227DE815EAA87-9B6C-46EA-9202-AB513284DD26EBE8AFA7-4D76-4C0F-98BA-7BFCA64BEDD560901205-F12F-47E3-93FC-ECE16EBB12695F240D74-66E1-4118-AAB1-4F52335AA0452A0FCD7C-E5E2-46B7-A0B2-A2C509441A0BF008C059-5197-401C-98C9-84F7F5EEBFB5D4FF5617-B0AE-41BD-A8FE-2BD3BD90796B7E082E26-BF5A-434F-AB30-8EDFDD62BFC6C6771A41-AED8-4F44-AA45-6077CF8E386DLarge Jaws Leakage Clamp Meter AC 3000A LCD Backlight4000A Large Jaw Clamp Meter AC1000A True RMS Power and Harmonics Clamp Meter60A Leakage Current Clamp600A Leakage Current Clamp1200A Large Jaw Leakage Current Clamp Meter2000A Large Jaw Leakage Current Clamp Meter600A High Voltage (69kV) Clamp Meter600A High Voltage (69kV) Clamp Meter Wireless60A Leakage Current Clamp AC/DCPhase Sequence Indicator LCDPhase Sequence and Motor Rotation Indicator600V Non-Contact Phase Detector1000V Non-Contact Phase DetectorClamp Phase20A 600V Intelligent 3 Phase Clamp VoltammeterClamp Earth Ground and Leakage Current TesterClamp Earth Ground and Leakage Current TesterClamp Earth Ground TesterClamp Earth Ground and Leakage Current TesterClamp Earth Ground and Leakage Current Tester3000A PRO True RMS Flex Clamp3000A PRO True RMS Flex Clamp3000A PRO True RMS Flex ClampClamp SensorsClamp Earth Ground TestersUT257AUT223AUT243UT251AUT251CUT253AUT253BUT255AUT255BUT258AUT261AUT261BUT262AUT262CUT265BUT267BUT275UT276AUT276A UT278AUT278A UT281AUT281CUT281EUT-CS09AUT273121262822242311111111111UT257A.jpgUT223A.jpgUT243.jpgUT251A.jpgUT251C.jpgUT253A.jpgUT253B.jpgUT255A.jpgUT255B.jpgUT258A.jpgUT261A.jpgUT261B.jpgUT262A.jpgUT262C.jpgUT265B.jpgUT267B.jpgUT275.jpgUT276A.jpgUT276A-plus.jpgUT278A.jpgUT278plus.jpgUT281A.jpgUT281C.jpgUT281E.jpgUT-CS09A.jpgUT273.jpg80405728533715400235993833849921581169137415107295792237216099169461522818083332835075760285692465270.456137.5515868.921710.844088.75740.81818.151944.654302.155526.934015.818160.818513.815131.717512.220795.53827.24033.0566243284.42022-03-1211:23:19:3472022-10-2809:27:17:830126CF6B76F-4D86-426B-8966-627A5B3A97D2UT243.jpgUT243.jpg(PATHUPLOAD)\__upload\UniTrend\Catalogue\images0.000.00Electrical Power Clamp Meters28A3480B4-C0B6-4CA9-993E-8770A3D7F48CBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D260A Leakage Current ClampUT251A445270.455722.4000-999999.0000High Sensitivity Leakage Current Digital Clamp Meter, Auto Range, Jaw Capacity 25x30mm, Leakage Current 0.001mA - 60A, Resolution 1µA, RS232, Data Logging 99, Peak Value, Data Hold, Auto Power Off, Low Power Indication, Over-Range Display, Test Mode Clamp CT, Integral Approach

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut243-ut251-power-and-harmonics-clamp-meter.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT251A.jpgUT251A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images45830E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2380D5D29-80C9-4981-9CF2-B267D0EF6BB2BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2600A Leakage Current ClampUT251C456137.554598.850010.0000High Sensitivity Leakage Current Digital Clamp Meter, Auto Range, Jaw Capacity 35x40mm, Leakage Current 0.1mA - 600A, Resolution 1mA, RS232, Data Logging 99, Peak Value, Data Hold, Auto Power Off, Low Power Indication, Over-Range Display, Test Mode Clamp CT, Integral Approach

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut243-ut251-power-and-harmonics-clamp-meter.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT251C.jpgUT251C.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images53370E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2ADE01F6A-9E6A-4147-8E50-9BA895D40CC4BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D21200A Large Jaw Leakage Current Clamp MeterUT253A4615868.8517532.9000-999999.0000Large Jaws Leakage Current Digital Clamp Meter, Auto Range, Jaw Size 80x80mm, Leakage Current 0.001- 1200A, ACV 0.00V-600V, Resolution 0.01mA, RS232, Data Logging 200, LCB Backlight, Data Hold, Over-Range Display, Auto Power Off, Low Battery Display, Test Mode Clamp CT, Integral Approach

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut253-257-ut255-large-jaws-leakage-current-clamp-meters.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT253A.jpgUT253A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images154000E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2CA4377C9-E26A-401F-8F18-4DBE44E58725BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2600A High Voltage (69kV) Clamp MeterUT255A4821710.8524000.5000-999999.0000High Voltage Clamp Digital Ammeter, Auto Range, Leakage Current 0.01mA-600.0A, Voltage 0V-69KV (50HZ/60HZ), Jaw Capacity 33mm, Data Recall, Data Logging, Peak Value, LCD Backlight, Data Hold, Auto Power Off, Low Battery Indication, Over-Range Display, Test Mode Clamp CT, Integral Approach, Sample Rate (about 2 times/second), 4 Digit Display

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut253-257-ut255-large-jaws-leakage-current-clamp-meters.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT255A.jpgUT255A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images188790E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2776695E1-49E7-4730-8027-4A9B5CF36A3EBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2600A High Voltage (69kV) Clamp Meter WirelessUT255B4944088.739027.55001.0000High Voltage Clamp Digital Ammeter, Auto Range, Leakage Current 0.01mA-600.0A, Voltage 0V-69KV (50HZ/60HZ), Jaw Capacity 33mm, Wireless Transmission (Data Recall, Data Logging, Peak Value, LCD Backlight, Data Hold, Auto Power Off, Low Battery Indication, Over-Range Display, Test Mode Clamp CT, Integral Approach, Sample Rate (about 2 times/second), 4 Digit Display

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut253-257-ut255-large-jaws-leakage-current-clamp-meters.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT255B.jpgUT255B.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images383380E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
26AF93EFB-F761-4786-8BFE-5AF684DC8F13BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D260A Leakage Current Clamp AC/DCUT258A4105740.85073.80001.0000AC/DC Leakage Current Clamp Meter, 0mA~60.0A, Resolution 1mA, Frequency Response 45Hz~200Hz, 4 Digit LCD Display, Clamp Size 7mm, Auto Range, RS232 Interface, Data Storage 99, Set to Zero Function, Data Hold, Line Voltage 600V AC, Auto Power Off, Low Battery Indication, Sampling Rate 2 Times/s, Working Current 10mA, Cat III 600V, Software and Cable

RANGE: AUTO
SPECIFICATION: CE/RoHS
CAT RATING: CAT III 600V
BBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT258A.jpgUT258A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images49920E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2CC1C8111-6E9C-4103-BACE-5E224DEE7E44BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Phase Sequence Indicator LCDUT261A4111818.151549.050021.0000LCD Display Phase Sequence Indicator with Missing Phase Indication ACV 40V-690V, Frequency 15Hz-400Hz, Test Current <3mA

SPECIFICATION: CE/RoHS
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut261-ut262-phase-sequence-and-motor-rotation-indicators.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT261A.jpgUT261A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images15810E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
259440071-655E-4A2F-A7C3-00E26350B5CABBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Phase Sequence and Motor Rotation IndicatorUT261B4121944.651493.850036.0000LED Display Phase Sequence and Motor Rotation Indicator with Missing Phase Indication, ACV 40V-600V, Frequency 15Hz-400Hz, Test Current <3mA

SPECIFICATION: CE/RoHS
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut261-ut262-phase-sequence-and-motor-rotation-indicators.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT261B.jpgUT261B.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images16910E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2A891B17F-EDA2-4CA0-993F-49831391FE0BBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D220A 600V Intelligent 3 Phase Clamp VoltammeterUT267B41634015.8530067.90002.0000Triple Clamp Phase Digital Meter, Auto Range, AC A 20.0A, AC V 600V, Frequency 45-65HZ, Active Power (W) 12kW, Apparent Power (VAr) 12kVA, Reactive Power (VA) 12kVAr, Power Factor -1 - 1, Phase Angle, Current Vector Sum 60A, Phase Sequence Test, Clamp Size Acuminate Current Clamp 7.5mmx13mm (Optional), Round Jaw Current Clamp 35mmx40mm (Optional), RS232, Data Logging 99, LCD Backlight, Data Hold, Auto Power, Sample Rate (about 2 times/second), 240x160 dots LCD Display

RANGE: AUTO
SPECIFICATION: CE/RoHS
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut265b-267b-ut270-intelligent-2-3-clamp-phase-voltammeters.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT267B.jpgUT267B.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images295790E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2E2580D02-511C-42AF-94D6-6416F65227DEBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Clamp Earth Ground and Leakage Current TesterUT27541718160.819724.8000-999999.0000Clamp Earth Ground Tester, Auto Range, Earth Ground Resistance 1000O, Leakage Current 300mA, Jaw Capacity 28mm, Auto Power Off, Low Battery Indication, Data Hold, Data Logging 30, Data Recall, Backlight, Auto Calibration, Resistance Limit Alarm, 10000 Count

RANGE: AUTO
SPECIFICATION: CE/RoHS
CAT RATING: CAT III 300V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut265b-267b-ut270-intelligent-2-3-clamp-phase-voltammeters.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT275.jpgUT275.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images157920E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
25F240D74-66E1-4118-AAB1-4F52335AA045BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Clamp Earth Ground and Leakage Current TesterUT278A 42120795.4519284.3500Clamp Earth Ground Tester with Leakage Current, EBTN Display, Auto Range, Jaw Capacity 32mm, Earth Ground Resistance 1000O, Leakage Current 20A, Auto Power Off, Low Battery Indication, Data Hold, Data Logging 300, Data Recall, Backlight, Auto Calibration, Resistance Limit Alarm, Jamming Signal Recognition, CE (EMC, LVD, ROHS), 4 Digits LCD Display, CAT III 300V

RANGE: AUTO
SPECIFICATION: CE/RoHS
CAT RATING: CAT III 300V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut276a -ut278a -clamp-earth-ground-tester.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT278plus.jpgUT278plus.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images180830E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
22A0FCD7C-E5E2-46B7-A0B2-A2C509441A0BBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D23000A PRO True RMS Flex ClampUT281A4223827.23193.55004.0000Flex Clamp PRO TRMS 3000A, Inrush Current, Manual Range, Clamp Size 245mm, IP54, Display Update Rate 3/Sec, Data Hold, Auto Power Off, Backlight, 3000 Count, CATIV 600A

RANGE: AUTO
TRMS: YES
SPECIFICATION: CE/RoHS/cETLus
CAT RATING: CAT IV 600V
IP RATING: IP54
https://www.uni-trend.co.za/download-catalogue/unitrend-ut284-ut-cs09d-true-rms-flex-clamps.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT281A.jpgUT281A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images33280E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2F008C059-5197-401C-98C9-84F7F5EEBFB5BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D23000A PRO True RMS Flex ClampUT281C4234033.053100.40002.0000Flex Clamp PRO TRMS 3000A, Inrush Current, Manual Range, Clamp Size 457mm, IP54, Display Update Rate 3/Sec, Data Hold, Auto Power Off, Backlight, 3000 Count, CATIV 600V

RANGE: AUTO
TRMS: YES
SPECIFICATION: CE/RoHS/cETLus
CAT RATING: CAT IV 600V
IP RATING: IP54
https://www.uni-trend.co.za/download-catalogue/unitrend-ut284-ut-cs09d-true-rms-flex-clamps.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT281C.jpgUT281C.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images35070E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2D4FF5617-B0AE-41BD-A8FE-2BD3BD90796BBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D23000A PRO True RMS Flex ClampUT281E42466244598.88002.0000Flex Clamp TRMS 3000A, Inrush Current, Manual Range, Clamp Size 457mm, Display Update Rate 3/Sec, AC Voltage 600V ±(1.2% 3), Data Hold, Auto Power Off, Backlight, 3000 Count in Current Test, 6000 Count in Other Test Modes. Diplays OL in Over Range Condition, CATIV 600V

RANGE: AUTO
TRMS: YES
SPECIFICATION: CE/RoHS/cETLus
CAT RATING: CAT IV 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut284-ut-cs09d-true-rms-flex-clamps.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT281E.jpgUT281E.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images57600E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
2EBE8AFA7-4D76-4C0F-98BA-7BFCA64BEDD5BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Clamp Earth Ground TesterUT276A 41915131.716678.4500-999999.0000UT270 series can quickly and safely measure the grounding system without disconnecting circuit ground lines or the need of auxiliary electrodes. It can measure resistance from 0.01O with a resolution of 0.001O. UT275 can also measure leakage current up to 30A. These clamps’double insulation design makes them durable tools for outdoor work and e?ective in blocking interference from the environment.

RANGE: AUTO
https://www.uni-trend.co.za/download-catalogue/unitrend-ut276a -ut278a -clamp-earth-ground-tester.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT276A-plus.jpgUT276A-plus.jpg(PATHUPLOAD)\__upload\UniTrend\Catalogue\images131580E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png
29399535A-E18F-497E-BEFB-FBD2E1CE8B21BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Transformer Grounding Current TesterUT27942716884.31.0000The UT279 Transformer Grounding Current Tester is a device designed for on-site online tests of grounding and leakage currents in transformer iron cores.


It features a current clamp, monitoring software, and a communication cable. This tester helps identify potential faults in transformers, ensuring safe operation and facilitating routine maintenance. It is versatile and suitable for various sectors including electric power, communications, meteorology, railways, oil fields, architecture, metrology, academic institutions, and industrial enterprises.


  • Leakage current measurement

  • Large Jaw size: inner dia. Up to 80mm

  • 3.5-inch color

  • Online none-contact measurement

  • Strong anti-interference

  • Alarm function

  • Data storage: 200 set

  • PC software analysis

https://www.uni-trend.co.za/download-catalogue/unitrend-ut279-transformer-grounding-current-tester-datasheet.pdfUT279-1.jpgUT279-1.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images146820

Electrical Power Clamp Meters

28A3480B4-C0B6-4CA9-993E-8770A3D7F48CBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D260A Leakage Current ClampUT251A445270.455722.4000-999999.0000High Sensitivity Leakage Current Digital Clamp Meter, Auto Range, Jaw Capacity 25x30mm, Leakage Current 0.001mA - 60A, Resolution 1µA, RS232, Data Logging 99, Peak Value, Data Hold, Auto Power Off, Low Power Indication, Over-Range Display, Test Mode Clamp CT, Integral Approach

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut243-ut251-power-and-harmonics-clamp-meter.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT251A.jpgUT251A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images45830E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT251A 60A Leakage Current Clamp

2380D5D29-80C9-4981-9CF2-B267D0EF6BB2BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2600A Leakage Current ClampUT251C456137.554598.850010.0000High Sensitivity Leakage Current Digital Clamp Meter, Auto Range, Jaw Capacity 35x40mm, Leakage Current 0.1mA - 600A, Resolution 1mA, RS232, Data Logging 99, Peak Value, Data Hold, Auto Power Off, Low Power Indication, Over-Range Display, Test Mode Clamp CT, Integral Approach

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut243-ut251-power-and-harmonics-clamp-meter.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT251C.jpgUT251C.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images53370E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT251C 600A Leakage Current Clamp

2ADE01F6A-9E6A-4147-8E50-9BA895D40CC4BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D21200A Large Jaw Leakage Current Clamp MeterUT253A4615868.8517532.9000-999999.0000Large Jaws Leakage Current Digital Clamp Meter, Auto Range, Jaw Size 80x80mm, Leakage Current 0.001- 1200A, ACV 0.00V-600V, Resolution 0.01mA, RS232, Data Logging 200, LCB Backlight, Data Hold, Over-Range Display, Auto Power Off, Low Battery Display, Test Mode Clamp CT, Integral Approach

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut253-257-ut255-large-jaws-leakage-current-clamp-meters.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT253A.jpgUT253A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images154000E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT253A 1200A Large Jaw Leakage Current Clamp Meter

2CA4377C9-E26A-401F-8F18-4DBE44E58725BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2600A High Voltage (69kV) Clamp MeterUT255A4821710.8524000.5000-999999.0000High Voltage Clamp Digital Ammeter, Auto Range, Leakage Current 0.01mA-600.0A, Voltage 0V-69KV (50HZ/60HZ), Jaw Capacity 33mm, Data Recall, Data Logging, Peak Value, LCD Backlight, Data Hold, Auto Power Off, Low Battery Indication, Over-Range Display, Test Mode Clamp CT, Integral Approach, Sample Rate (about 2 times/second), 4 Digit Display

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut253-257-ut255-large-jaws-leakage-current-clamp-meters.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT255A.jpgUT255A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images188790E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT255A 600A High Voltage (69kV) Clamp Meter

2776695E1-49E7-4730-8027-4A9B5CF36A3EBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2600A High Voltage (69kV) Clamp Meter WirelessUT255B4944088.739027.55001.0000High Voltage Clamp Digital Ammeter, Auto Range, Leakage Current 0.01mA-600.0A, Voltage 0V-69KV (50HZ/60HZ), Jaw Capacity 33mm, Wireless Transmission (Data Recall, Data Logging, Peak Value, LCD Backlight, Data Hold, Auto Power Off, Low Battery Indication, Over-Range Display, Test Mode Clamp CT, Integral Approach, Sample Rate (about 2 times/second), 4 Digit Display

RANGE: AUTO
SPECIFICATION: CE
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut253-257-ut255-large-jaws-leakage-current-clamp-meters.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT255B.jpgUT255B.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images383380E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT255B 600A High Voltage (69kV) Clamp Meter Wireless

26AF93EFB-F761-4786-8BFE-5AF684DC8F13BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D260A Leakage Current Clamp AC/DCUT258A4105740.85073.80001.0000AC/DC Leakage Current Clamp Meter, 0mA~60.0A, Resolution 1mA, Frequency Response 45Hz~200Hz, 4 Digit LCD Display, Clamp Size 7mm, Auto Range, RS232 Interface, Data Storage 99, Set to Zero Function, Data Hold, Line Voltage 600V AC, Auto Power Off, Low Battery Indication, Sampling Rate 2 Times/s, Working Current 10mA, Cat III 600V, Software and Cable

RANGE: AUTO
SPECIFICATION: CE/RoHS
CAT RATING: CAT III 600V
BBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT258A.jpgUT258A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images49920E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT258A 60A Leakage Current Clamp AC/DC

2CC1C8111-6E9C-4103-BACE-5E224DEE7E44BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Phase Sequence Indicator LCDUT261A4111818.151549.050021.0000LCD Display Phase Sequence Indicator with Missing Phase Indication ACV 40V-690V, Frequency 15Hz-400Hz, Test Current <3mA

SPECIFICATION: CE/RoHS
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut261-ut262-phase-sequence-and-motor-rotation-indicators.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT261A.jpgUT261A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images15810E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT261A Phase Sequence Indicator LCD

259440071-655E-4A2F-A7C3-00E26350B5CABBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Phase Sequence and Motor Rotation IndicatorUT261B4121944.651493.850036.0000LED Display Phase Sequence and Motor Rotation Indicator with Missing Phase Indication, ACV 40V-600V, Frequency 15Hz-400Hz, Test Current <3mA

SPECIFICATION: CE/RoHS
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut261-ut262-phase-sequence-and-motor-rotation-indicators.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT261B.jpgUT261B.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images16910E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT261B Phase Sequence and Motor Rotation Indicator

2A891B17F-EDA2-4CA0-993F-49831391FE0BBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D220A 600V Intelligent 3 Phase Clamp VoltammeterUT267B41634015.8530067.90002.0000Triple Clamp Phase Digital Meter, Auto Range, AC A 20.0A, AC V 600V, Frequency 45-65HZ, Active Power (W) 12kW, Apparent Power (VAr) 12kVA, Reactive Power (VA) 12kVAr, Power Factor -1 - 1, Phase Angle, Current Vector Sum 60A, Phase Sequence Test, Clamp Size Acuminate Current Clamp 7.5mmx13mm (Optional), Round Jaw Current Clamp 35mmx40mm (Optional), RS232, Data Logging 99, LCD Backlight, Data Hold, Auto Power, Sample Rate (about 2 times/second), 240x160 dots LCD Display

RANGE: AUTO
SPECIFICATION: CE/RoHS
CAT RATING: CAT III 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut265b-267b-ut270-intelligent-2-3-clamp-phase-voltammeters.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT267B.jpgUT267B.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images295790E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT267B 20A 600V Intelligent 3 Phase Clamp Voltammeter

2E2580D02-511C-42AF-94D6-6416F65227DEBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Clamp Earth Ground and Leakage Current TesterUT27541718160.819724.8000-999999.0000Clamp Earth Ground Tester, Auto Range, Earth Ground Resistance 1000O, Leakage Current 300mA, Jaw Capacity 28mm, Auto Power Off, Low Battery Indication, Data Hold, Data Logging 30, Data Recall, Backlight, Auto Calibration, Resistance Limit Alarm, 10000 Count

RANGE: AUTO
SPECIFICATION: CE/RoHS
CAT RATING: CAT III 300V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut265b-267b-ut270-intelligent-2-3-clamp-phase-voltammeters.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT275.jpgUT275.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images157920E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT275 Clamp Earth Ground and Leakage Current Tester

2EBE8AFA7-4D76-4C0F-98BA-7BFCA64BEDD5BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Clamp Earth Ground TesterUT276A 41915131.716678.4500-999999.0000UT270 series can quickly and safely measure the grounding system without disconnecting circuit ground lines or the need of auxiliary electrodes. It can measure resistance from 0.01O with a resolution of 0.001O. UT275 can also measure leakage current up to 30A. These clamps’double insulation design makes them durable tools for outdoor work and e?ective in blocking interference from the environment.

RANGE: AUTO
https://www.uni-trend.co.za/download-catalogue/unitrend-ut276a -ut278a -clamp-earth-ground-tester.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT276A-plus.jpgUT276A-plus.jpg(PATHUPLOAD)\__upload\UniTrend\Catalogue\images131580E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT276A Clamp Earth Ground Tester

25F240D74-66E1-4118-AAB1-4F52335AA045BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Clamp Earth Ground and Leakage Current TesterUT278A 42120795.4519284.3500Clamp Earth Ground Tester with Leakage Current, EBTN Display, Auto Range, Jaw Capacity 32mm, Earth Ground Resistance 1000O, Leakage Current 20A, Auto Power Off, Low Battery Indication, Data Hold, Data Logging 300, Data Recall, Backlight, Auto Calibration, Resistance Limit Alarm, Jamming Signal Recognition, CE (EMC, LVD, ROHS), 4 Digits LCD Display, CAT III 300V

RANGE: AUTO
SPECIFICATION: CE/RoHS
CAT RATING: CAT III 300V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut276a -ut278a -clamp-earth-ground-tester.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT278plus.jpgUT278plus.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images180830E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT278A Clamp Earth Ground and Leakage Current Tester

22A0FCD7C-E5E2-46B7-A0B2-A2C509441A0BBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D23000A PRO True RMS Flex ClampUT281A4223827.23193.55004.0000Flex Clamp PRO TRMS 3000A, Inrush Current, Manual Range, Clamp Size 245mm, IP54, Display Update Rate 3/Sec, Data Hold, Auto Power Off, Backlight, 3000 Count, CATIV 600A

RANGE: AUTO
TRMS: YES
SPECIFICATION: CE/RoHS/cETLus
CAT RATING: CAT IV 600V
IP RATING: IP54
https://www.uni-trend.co.za/download-catalogue/unitrend-ut284-ut-cs09d-true-rms-flex-clamps.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT281A.jpgUT281A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images33280E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT281A 3000A PRO True RMS Flex Clamp

2F008C059-5197-401C-98C9-84F7F5EEBFB5BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D23000A PRO True RMS Flex ClampUT281C4234033.053100.40002.0000Flex Clamp PRO TRMS 3000A, Inrush Current, Manual Range, Clamp Size 457mm, IP54, Display Update Rate 3/Sec, Data Hold, Auto Power Off, Backlight, 3000 Count, CATIV 600V

RANGE: AUTO
TRMS: YES
SPECIFICATION: CE/RoHS/cETLus
CAT RATING: CAT IV 600V
IP RATING: IP54
https://www.uni-trend.co.za/download-catalogue/unitrend-ut284-ut-cs09d-true-rms-flex-clamps.pdfBBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT281C.jpgUT281C.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images35070E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT281C 3000A PRO True RMS Flex Clamp

2D4FF5617-B0AE-41BD-A8FE-2BD3BD90796BBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D23000A PRO True RMS Flex ClampUT281E42466244598.88002.0000Flex Clamp TRMS 3000A, Inrush Current, Manual Range, Clamp Size 457mm, Display Update Rate 3/Sec, AC Voltage 600V ±(1.2% 3), Data Hold, Auto Power Off, Backlight, 3000 Count in Current Test, 6000 Count in Other Test Modes. Diplays OL in Over Range Condition, CATIV 600V

RANGE: AUTO
TRMS: YES
SPECIFICATION: CE/RoHS/cETLus
CAT RATING: CAT IV 600V
https://www.uni-trend.co.za/download-catalogue/unitrend-ut284-ut-cs09d-true-rms-flex-clamps.pdfTest Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT281E.jpgUT281E.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images57600E:\wwwRoot\ecat_upload\__upload\ThreeD\Catalogue\images\logo\brand-unit.png

UT281E 3000A PRO True RMS Flex Clamp

29399535A-E18F-497E-BEFB-FBD2E1CE8B21BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Transformer Grounding Current TesterUT27942716884.31.0000The UT279 Transformer Grounding Current Tester is a device designed for on-site online tests of grounding and leakage currents in transformer iron cores.


It features a current clamp, monitoring software, and a communication cable. This tester helps identify potential faults in transformers, ensuring safe operation and facilitating routine maintenance. It is versatile and suitable for various sectors including electric power, communications, meteorology, railways, oil fields, architecture, metrology, academic institutions, and industrial enterprises.


  • Leakage current measurement

  • Large Jaw size: inner dia. Up to 80mm

  • 3.5-inch color

  • Online none-contact measurement

  • Strong anti-interference

  • Alarm function

  • Data storage: 200 set

  • PC software analysis

https://www.uni-trend.co.za/download-catalogue/unitrend-ut279-transformer-grounding-current-tester-datasheet.pdfUT279-1.jpgUT279-1.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images146820

UT279 Transformer Grounding Current Tester

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