DWYER WD2系列渗漏水监测装置 
Service: Water.
Switch Type: WD2-BP2: Solid state relay; WD2-LP: SPDT relay.
Electrical Rating: WD2-BP2: Pilot duty rating max. 250 mA @ 24 VDC; WD2-LP: SPDT 1A @ 24 VAC/DC, 1A @ 120 VAC.
Audible Alarm Function on WD2-BP1/WD2-BP2: 10 sec on, 30 sec off.
LED Alarm Function on WD2-BP1/WD2-BP2: 10 sec off, 30 sec on.
Power Requirements: WD2-BP1/WD2-BP2: 3V lithium battery (approximately 2 years battery life); WD2-LP: 11-27 VAC/DC.

Power Consumption: WD2-BP1/WD2-BP2: 0.9 mA steady state non-alarm, 3.0 mA during audible alarm, 2.4 mA during LED illumination; WD-LP: DC 25 mA typical and 75 mA max, AC 30 mA typical and 85 mA max.
Electrical Connections: WD2-BP2: Attached 22 AWG, PVC insulated cable (0.8 ft long); WD2-LP: Attached 22 AWG, PVC insulated cable (4.8 ft long).
Enclosure: Acrylic, ABS plastic.
Temperature Limits: 32 to 122°F (0 to 50°C).
Weight: WD2-BP1: 2 oz; WD2-BP2: 3.5 oz; WD2-LP: 4.3 oz

型号 特性
WD2-BP1 Battery powered leak detector.
WD2-BP2 Battery powered leak detector with SSR output.
WD2-LP Line powered 24 VAC/DC leak detector with relay output