Digihelic® Controller in Photohelic® Gage, Square Root Output for Flow
Service: Air and non-combustible, compatible gases. Wetted Materials: Consult factory. Housing Material: Die cast aluminum case and bezel. Accuracy: < 5" w.c. (except ±2.5" w.c.): ±1%; All other ranges: ±0.5% at 77°F (25°C) including hysteresis and repeatability (after 1 hour warm-up). Stability: < ±1% per year. Pressure Limits: Ranges ≤ 2.5" w.c.: 25 psi; ±2.5", 5" w.c.: 5 psi; 10" w.c.: 5 psi; 25" w.c.: 5 psi; 50" w.c.: 5 psi; 100" w.c.: 9
psi. 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). Power Requirements: 12-24 VAC/VDC. Power Consumption: 3 VA max. Output Signal: 4-20 mA DC into 900 ohms 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) O.D. 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 amp @ 30 VAC/VDC. Set Point Adjustment: Adjustable via keypad on face.