specification: Rated Load: 1t,3t Rated Output: 2.0000+/-0.001mv/v Total Error: +/-0.03% Recommended Excitation Voltage: 5v-12v(AC or DC) Maximum Excitation Voltage: 15V(AC or DC) Zero Balance: +/-1% F.S Safe Overload:150% F.S Ultimate Overload: 200% F.S Cable Length: 3m(0.5t-5t), 7m(5t), 10m(10t), 13m(20t-25t) Construction: Alloy Steel Protection Class: IP68 Citation: GB/T7551-1997/OIML R60 Mode of Connection: Input+: Red Input-: Black Output+: Green Output-: White Dynamic light applied to the Soviet Union,mainly for use in a mine in orbit. The similari products: SQC-BG01,SQC-BG,etc.