 
  
              - Test equipment
 Current generator with constant current Current generator with constant current
 Full automatic temperature rising and large curren Full automatic temperature rising and large curren
 Small current generator Small current generator
 Large current generator Large current generator
 AC / DC current generator AC / DC current generator
 Intelligent high current Intelligent high current
 Three-phase current generator Three-phase current generator
 Intelligent three-phase current Intelligent three-phase current
 The three-phase voltage and current source The three-phase voltage and current source
 Three frequency generator Three frequency generator
 Fault indicator tester Fault indicator tester
 Fuse tester Fuse tester
 Transformer integrative tester Transformer integrative tester
 Thermal relay tester Thermal relay tester
 Tester for motor protector Tester for motor protector
 Relay protection tester Relay protection tester
 High voltage switchgear High voltage switchgear
 Low voltage switchgear Low voltage switchgear
 AC and DC voltage tester AC and DC voltage tester
 DC high voltage generator DC high voltage generator
 DC breaker ampere second characteristic test instr DC breaker ampere second characteristic test instr
 Power inspection class Power inspection class
Product Display
 DDJB-II-Single phase relay protection check instrument DDJB-II-Single phase relay protection check instrument
 DDJB-III-Relay protection tester DDJB-III-Relay protection tester
 DDJB-IV-Double circuit relay protection tester DDJB-IV-Double circuit relay protection tester
 DDJB-V-Relay protection check instrument capable of measuring small mutual inductor DDJB-V-Relay protection check instrument capable of measuring small mutual inductor
 DDJB-VII-Relay protection testing instrument DDJB-VII-Relay protection testing instrument
 DDJB-A8-Time limit relay protection tester DDJB-A8-Time limit relay protection tester
 DD430-Industrial control type microcomputer relay protection testing instrument DD430-Industrial control type microcomputer relay protection testing instrument
 DD6630-Microcomputer based relay protection testing instrument DD6630-Microcomputer based relay protection testing instrument
 DDRJ-500SH-Tester for motor protector DDRJ-500SH-Tester for motor protector
 DDRJ-500E-Three phase thermal relay testing instrument DDRJ-500E-Three phase thermal relay testing instrument
 DDRJ-1000E-Three phase thermal relay testing instr DDRJ-1000E-Three phase thermal relay testing instr
 DDRJ-2000E-Three phase thermal relay testing instrument DDRJ-2000E-Three phase thermal relay testing instrument
 DDRJ-200III-Three phase thermal relay testing instrument DDRJ-200III-Three phase thermal relay testing instrument
 DDRJ-500III-Three phase thermal relay testing instrument DDRJ-500III-Three phase thermal relay testing instrument
 DDRJ-500S-Tester for motor protector DDRJ-500S-Tester for motor protector
 DDVA-1000Instrument transformer DDVA-1000Instrument transformer
 DDVA-II-Instrument for Volt-Ampere Character Testing DDVA-II-Instrument for Volt-Ampere Character Testing
 DDVA-III-Transformerintegrative tester DDVA-III-Transformerintegrative tester
 DDBP-10KVA-Three frequency doubling generator DDBP-10KVA-Three frequency doubling generator
 DDBP-20KVA--Three frequency doubling generator DDBP-20KVA--Three frequency doubling generator
 DDBP-30KVA--Three frequency doubling generator DDBP-30KVA--Three frequency doubling generator
 DDDL-200III-Three phase current generator DDDL-200III-Three phase current generator
 DDDL-500III-Three phase current generator DDDL-500III-Three phase current generator
 DDDL-1000III-Three phase current generator DDDL-1000III-Three phase current generator




