Type DSF-88 (general) DSF-88-H (high sensivity) DSF-88 (low sensivity) DSF-88-L (long distance) DSF-710      -720 (variable) DSF-88      -09 (general) DSF-88-H      -09-H (high sensivity) DSF -G1 -G2 -GS DSF -G3 DSF -G4 Rating voltage AC110V, AC220V, A380V(50/60Hz) single, DC(order made) 710-AC110V 720-AC220V AC110V/220V(60Hz) multiple use, DC(order made) Allowable voltage variable range 85~110% of rating voltage Voltage between electrode AC10V AC24V AC10V AC10V AC24V AC10V Operating resistance 10kΩ 30kΩ 2kΩ 2.3kΩ 82kΩ 10kΩ 30kΩ 10kΩ Return resistance 13kΩ 40kΩ 6kΩ 6.9kΩ 118kΩ 13kΩ 40kΩ 15kΩ Max sense distance below 500m below 45m below 60m below 2km below 80m below 500m below 45m below 400m Power consumption about 1.6VA about 1.8VA about 2.0VA about 2.3VA about 4.5VA Contact capacity 250VAC, 5A With- stand voltage Electric circuit earth AC 2000V/min Between each circuits AC 1500V/min Ambient temperature -10℃ ~ 60℃ Ambient humidity 45~80% RH Response time In operting, below 110ms, In return below 200ms Mounting DSF-09 : Desk type            DSF-88, DSF-G : Socket type   Type Inherent resistance Applied type City water 7 ~ 12kΩ.cm DSF-09, DSF-88, DSF-720, DSF-G Stream water 5 ~ 17kΩ.cm DSF-09-H(High sensivity), DSF-88-H(High sensivity), DSF-710,720, DSF-G Well water 7 ~ 15kΩ.cm DSF-09, DSF-88, DSF-710,720, DSF-G(type) Sea water 0.04kΩ.cm DSF-09-L(Low sensivity), DSF-88-L(Low sensivity)