HG series multi-function standard source and calibrator
MGY/DO30 Series Calibrator/Trimeter Calibrator
Three-phase/single-phase electric energy meter calibration device
Insulation resistance meter (megger) calibration device
High voltage/ground resistor (device/box)
AC and DC high current standard source/welding machine calibrator
Clamp ammeter calibration device
GZC series petrochemical measurement and control instruments
HGZW series dyeing, weaving and weft trimming machine
other products
DO30 series three-meter/multimeter calibrator
DO30-I three-purpose meter calibrator
HG1000A clamp meter coil
JYM-1 portable single-phase electric energy meter calibration device
HG-1000 clamp meter coil calibrator
MGY-1 type portable lithium ion AC and DC power supply
DO30-Z type megger calibration device
HG500A-1000A clamp meter calibration coil
HG-1000 electric welding machine field calibrator
HG-3X100A portable three-phase energy meter calibration device
HG-1000 moisture content online analyzer
HG-01 moisture content online analyzer
HG-02 type moisture content online analyzer
