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

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