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electrical standards

th2100 single-phase broadband power analyzer th2030 ultra-precise phase meter th0600 precision unity gain buffer th0151 high-precision active voltage divider th0150 high-precision voltage divider th1700 thermometer th0550 precision ac i/v converter th0450 current transformer analyzer th0400 precision coaxial shunt th0370 dc characteristics analyzer for precision resistors th0360 high-precision calibrator for dc resistance meters th0350 calibrator for dc bridges th0310 high-power reference resistor th0200 dc current ratio standard th0170 high-precision hvdc divider
standard meters

td3110 single-phase reference multimeter td3100 single-phase reference multimeter td1365 precision i/v converter td1300 high-precision dc reference meter td3810 field detector for three-phase power devices td3310 three-phase reference multimeter td3300 three-phase reference multimeter td1360 precision i/v converter td1350 high-precision reference ammeter
electrical calibrators

td1880 high-precision multi-product calibrator td1860 multi-product calibrator td1855 multi-product calibrator td1850 multi-product calibrator td1870 multi-product calibrator td1650 broadband precision ac calibrator td1600 precision ac calibrator
dc instruments

td1540 calibration device for dc shunts td1505 high-precision dc standard td1503 dc current standard td1500 high-precision dc calibrator td1510 high-precision dc calibrator td2100 verification apparatus of dc shunts td2010 dc high-current standard td1400 loop resistance tester
clamp ammeters calibrators

td1095 precision bushing-type ammeter td1092 precision bushing-type ac ammeter td1090 precision bushing-type ac i／v converter td1050a calibration device for clamp ammeters td1050 calibration device for clamp ammeters td1000 calibration device for clamp ammeters
electrical safety calibrators

td1470 calibrator for single and double bridges td1220 calibrator for high voltage and value dc resistors td1200 calibrator for leakage current testers td1455 equivalent resistance standard td1450 calibrator for loop resistance testers td1250 calibrator for earth-continuity testers td1240 loading box for withstanding voltage testers td1230 calibrator for withstanding voltage testers
high pressure standards

td2650 high-precision high voltmeter td2600 high-precision dc high voltmeter td2550 calibration device for contactless electrostatic voltmeters td2500 dc high voltage source td2400 ac high voltage source
three-phase ac&dc calibrators

td4500 calibrator for ac sampling and transmitters td4520 calibrator for three-phase apparatuses td4100 calibrator for three-phase apparatuses td4200 calibration device for three-phase apparatuses td4530 calibrator for three-phase apparatuses td4510 calibrator for three-phase apparatuses td4507 field calibrator for ac sampling and transmitters
transformer testing

td6300 tester for electronic instrument transformers td6200 tester for current transformer
ac energy calibrators

td4550 portable calibrating apparatus for three-phase meters td3650 verification apparatus of three-phase meters (meeting oiml r46 requirement of new type meter) td3600 verification apparatus of three-phase meters td3500 verification apparatus of single-phase meter td2700 multifunctional clock calibrator td3610 verification apparatus of three-phase reference meters td8655 ac and dc teslameter td3700-2 ac magnetic field apparatus of meters for electrical energy td3700-1 ac magnetic field apparatus of meters for electrical energy td3550 verification apparatus of single-phase meter (meeting oiml r46 requirement of new type meter) td3250 field tester of meters for three phase energy
dc energy calibrators

td1550 verification apparatus of meters for dc electrical energy td1560 automatic verification apparatus of meters for dc electrical energy td1545 verification apparatus of meters for dc electrical energy td1580 integrated detection apparatus of meters for dc electrical energy td1575 verification apparatus of meters for dc electrical energy td1570 verification apparatus of indirect connected meters for dc electrical energy td1548 detection apparatus of reference meters for dc electrical energy
charging facility testing

td2326 ac charging power calibration adapter td2321 ac charging socket-terminal adapter td2320 dc charging socket-terminal adapter td2310 high-power adjustable ac resistive load td2325 dc charging power calibration adapter td2300 high-power adjustable dc resistive load td1330 field tester of ac charging spot for electric vehicle td1320 field tester of dc charger for electric vehicles
calibration for electric power meters

td6600 calibrator for relaying protection testers td6610 electronic load td4900 tester for merging units td4800 calibrator for electronic instrument transformers td4600 integrated automation testing system for electric power td1170 calibrator for zinc oxide surge arrester testers td1160 tester for zinc oxide surge arrester td1150 tester for transformer winding thermometers td1100 calibrator for voltage monitor
process calibrators

td7600 test system for process signals td7500 calibrator for process signals td2800 loading box for testing electric welders td1340 calibrator for electrical parameters of electric welders
medical calibrators

td7300 defibrillation pulse energy standard td7200 calibrator for electrosurgical analyzers