ESD tester, esd inspector, esd tool International approvement ISO900 certification ESD tester, esd inspector, esd tool Model3W-7801(DZ-3)3W-7802(FMX-003)Test Range0-±19.9KV± 20KVAccuracy Level± 5%10%Test Distance50mm25mmSize(mm)102*63*22122*65*27Weight90G130G ESD tester, esd inspector, esd tool