​DIGIHELIC® 3 DIFFERENTIAL PRESSURE CONTROLLER, 0-0.25 in w.c., ±1.5%, 32 to 140°F

DIGIHELIC® 3 DIFFERENTIAL PRESSURE CONTROLLER<br />
Range: 0-0.25 in w.c.<br />
Brand: DWYER INSTRUMENTS<br />
Service: Air and non-combustible,compatible gases.<br />
Housing Material: Die cast aluminum case and bezel.<br />
Accuracy: ±1.5% <br />
Stability: < ±1% per year.<br />
Temperature Limits: 32 to 140°F (0 to 60°C).<br />
Compensated Temperature Limits: 32 to 140°F (0 to 60°C).<br />
Thermal Effects: 0.020%/°F (0.036/°C) from 77°F (25°C). <br />
For 0.25 in and ±0.25 in w.c. ranges: ±0.03%/°F (±0.054%/°C).<br />
Power Requirements: 12-28 VDC, 12-28 VAC 50 to 400 Hz.<br />
Power Consumption: 3 VA max.<br />
Output Signal: 4-20 mA DC into 900 Ω max.<br />
Zero & Span Adjustments: Accessible via menus.<br />
Response Time: 250 ms (damping set to 1).<br />
Display: Backlit 4 digit LCD 0.4" height<br />
LED indicators for set point and alarm status.<br />
Electrical Connections: 15 pin male high density D-sub connection. <br />
18" (46 cm) cable with 10 conductors included.<br />
Process Connections: 1/8" female NPT<br />
Side or back connections.<br />
Mounting Orientation: Mount unit in vertical plane.<br />
Size: 5" (127 mm) OD x 3-1/8" (79.38 mm).<br />
Weight: 1.75 lb (794 g).<br />
Agency Approvals: CE.<br />
SWITCH SPECIFICATIONS<br />
Switch Type: 2 SPDT relays.<br />
Electrical Rating: 1 A @ 30 VAC/VDC.<br />
Set Point Adjustment: Adjustable via keypad on face.
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