2380D5D29-80C9-4981-9CF2-B267D0EF6BB2BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2600A Leakage Current ClampUT251C457288.570125UNI-THigh 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 600Vdownload-catalogue/uni-trend/unitrend-ut243-ut251-power-and-harmonics-clamp-meter.pdf1|2026-05-09:12:00Test Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT251C.jpgUT251C.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images6337.890UT251C.jpgbrand-unit.png
2776695E1-49E7-4730-8027-4A9B5CF36A3EBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2600A High Voltage (69kV) Clamp Meter WirelessUT255B4952357.440125UNI-THigh 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 600Vdownload-catalogue/uni-trend/unitrend-ut253-257-ut255-large-jaws-leakage-current-clamp-meters.pdf1|2026-05-09:12:00BBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT255B.jpgUT255B.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images45528.210UT255B.jpgbrand-unit.png
26AF93EFB-F761-4786-8BFE-5AF684DC8F13BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D260A Leakage Current Clamp AC/DCUT258A4106817.650125UNI-TAC/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 600V1|2026-05-09:12:00BBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT258A.jpgUT258A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images5928.390UT258A.jpgbrand-unit.png
2CC1C8111-6E9C-4103-BACE-5E224DEE7E44BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Phase Sequence Indicator LCDUT261A4112159.533.00000125UNI-TLCD Display Phase Sequence Indicator with Missing Phase Indication ACV 40V-690V, Frequency 15Hz-400Hz, Test Current <3mA
SPECIFICATION: CE/RoHS CAT RATING: CAT III 600Vdownload-catalogue/uni-trend/unitrend-ut261-ut262-phase-sequence-and-motor-rotation-indicators.pdf1|2026-05-09:12:00Test Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT261A.jpgUT261A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images1877.850UT261A.jpgbrand-unit.png
259440071-655E-4A2F-A7C3-00E26350B5CABBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Phase Sequence and Motor Rotation IndicatorUT261B4122308.880125UNI-TLED 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 600Vdownload-catalogue/uni-trend/unitrend-ut261-ut262-phase-sequence-and-motor-rotation-indicators.pdf1|2026-05-09:12:00BBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT261B.jpgUT261B.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images2007.720UT261B.jpgbrand-unit.png
2A891B17F-EDA2-4CA0-993F-49831391FE0BBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D220A 600V Intelligent 3 Phase Clamp VoltammeterUT267B41640395.950125UNI-TTriple 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 600Vdownload-catalogue/uni-trend/unitrend-ut265b-267b-ut270-intelligent-2-3-clamp-phase-voltammeters.pdf1|2026-05-09:12:00Test Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT267B.jpgUT267B.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images35126.910UT267B.jpgbrand-unit.png
22A0FCD7C-E5E2-46B7-A0B2-A2C509441A0BBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D23000A PRO True RMS Flex ClampUT281A4224545.10125UNI-TFlex 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: IP54download-catalogue/uni-trend/unitrend-ut284-ut-cs09d-true-rms-flex-clamps.pdf1|2026-05-09:12:00Test Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT281A.jpgUT281A.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images3952.260UT281A.jpgbrand-unit.png
2F008C059-5197-401C-98C9-84F7F5EEBFB5BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D23000A PRO True RMS Flex ClampUT281C4234789.980125UNI-TFlex 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: IP54download-catalogue/uni-trend/unitrend-ut284-ut-cs09d-true-rms-flex-clamps.pdf1|2026-05-09:12:00BBCB411A-1F9D-4F04-8B02-37C6A723A29ATest Instruments\General Meters\Electrical Power Clamp MetersUT281C.jpgUT281C.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images4165.20UT281C.jpgbrand-unit.png
2D4FF5617-B0AE-41BD-A8FE-2BD3BD90796BBBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D23000A PRO True RMS Flex ClampUT281E4247865.790125UNI-TFlex 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 600Vdownload-catalogue/uni-trend/unitrend-ut284-ut-cs09d-true-rms-flex-clamps.pdf1|2026-05-09:12:00Test Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT281E.jpgUT281E.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images6839.820UT281E.jpgbrand-unit.png
29399535A-E18F-497E-BEFB-FBD2E1CE8B21BBCB411A-1F9D-4F04-8B02-37C6A723A29A6CF6B76F-4D86-426B-8966-627A5B3A97D2Transformer Grounding Current TesterUT27942720050.640125UNI-TThe 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
download-catalogue/uni-trend/unitrend-ut279-transformer-grounding-current-tester-datasheet.pdf1|2026-05-09:12:00Test Instruments\General Meters\Electrical Power Clamp MetersBBCB411A-1F9D-4F04-8B02-37C6A723A29AUT279-1.jpgUT279-1.jpg(PATHUPLOAD)\__upload\ThreeD\Catalogue\images17435.340UT279-1.jpgbrand-unit.png
