
- Test equipment
Current generator with constant current
Full automatic temperature rising and large curren
Small current generator
Large current generator
AC / DC current generator
Intelligent high current
Three-phase current generator
Intelligent three-phase current
The three-phase voltage and current source
Three frequency generator
Fault indicator tester
Fuse tester
Transformer integrative tester
Thermal relay tester
Tester for motor protector
Relay protection tester
High voltage switchgear
Low voltage switchgear
AC and DC voltage tester
DC high voltage generator
DC breaker ampere second characteristic test instr
Power inspection class
Product Display
DDYM-6-Online meter calibrator
DD100/5-DC high voltage generator
DDGY-AC and DC test transformer
DDTD-II-High and low voltage switch power on test bench
DDHL-100-Circuit resistance tester (contact resistance tester)
DDHL-100RM-Circuit resistance tester (contact resistance tester)
DDGK-06-High voltage switch mechanical characteristic testing instrument
DDHL-200-Circuit resistance tester (contact resistance tester)
DDHL-300-Circuit resistance tester (contact resistance tester)
DDHL-500-Circuit resistance tester (contact resistance tester)
DDHL-200RM-Circuit resistance tester (contact resistance tester)
DDHL-300RM-Circuit resistance tester (contact resistance tester)
DDHL-500RM-Circuit resistance tester (contact resistance tester)
DDST-6610-High and low voltage switch power on test bench
DDJB-I-Portable relay protection tester
DDJB-II-Single phase relay protection check instrument
DDJB-III-Relay protection tester
DDJB-IV-Double circuit relay protection tester
DDJB-V-Relay protection check instrument capable of measuring small mutual inductor
DDJB-VII-Relay protection testing instrument
DDJB-A8-Time limit relay protection tester
DD430-Industrial control type microcomputer relay protection testing instrument
DD6630-Microcomputer based relay protection testing instrument
DDRJ-500SH-Tester for motor protector