Product Name: DH series Digihelic digital transmission smart differential pressure controller Model:? DH indicator, switches, combination transmitter can also be used for air flow measurement and control prescribing output media: air and non-flammable, non- conductivity compatible gases Wetted Materials: Consult factory packaging materials:. ABS plastic, UL 94-V-0 certified precision:. ± 0.5% at 77 ° F (25 ° C), including linear and hysteresis stability: < . ± 1% / Year Pressure limits: Range ≤2.5 "wc = 2 psi; 5": 5 psi; 10 ": 5 psi; 25": 5 psi; 50 ": 5 psi; 100": 9 psi temperature limit. : 32 to 140 ° F (0 to 25 ° C) temperature compensation:.. 32 to 140 ° F (0 to 25 ° C) thermal effects:.. 0.020% / ° F (0.036 / ° C) from 77 ° F ( . 25 ° C) Power supply: high-voltage source = 100 to 240 VAC, 50 to 400 Hz or 132 to 24 VDC low-voltage power supply = 24 VDC ± 20% power consumption: low voltage power supply = 24 VDC - 130 mA max high voltage power supply. = 100 to 240 VAC, 132 to 240 VDC - 7VA max output signal:.. 4-20 mA DC into 900 ohms max zero and span adjustments: Press the manual easy to adjust reaction time: 250 ms Display: 4 LCD 0.4.. "High LED indication and alarm set electrical connections: screw terminals process connections:. 3/16" OD x 1/8 "ID compression ferrule package:.. NEMA 4X (IP66) installation orientation: horizontal Size: 1 / 8 DIN panel cutout:. 1.772 x 3.620 "(45 x 92 mm) Weight:. 14.4 oz (408 g) communication:. Modbus RTU, RS485, 9600 Baud certification:?.. CE, UL switching characteristics of the switching type: 2 SPDT relays electrical parameters: 8 Amps at 240 VAC resistive setting adjustments: panel buttons to adjust the selection table: Model Pressure Units - Inches wc pressure unit ft wc pressure units - mm wc Pressure unit - cm wc pressure units - psi pressure Units - in Hg pressure unit -. mm Hg pressure units - mbar pressure unit - Pa pressure units - kPa pressure units - hPa pressure unit -. oz in DH-002 0.25 6.35 0.635 0.467 0.623 62.28 0.623 0.144 DH-004 1 25.4 2.54 1.868 2.491 249.1 0.249 2.491 0.578 DH-006 5 0.4167 127 12.7 0.181 0.3678 9.342 12.45 1245 1.245 12.45 2.89 DH-007 10 0.8333 254 25.4 0.361 0.7356 18.68 24.91 2491 2.491 24.91 5.78 DH-008 25 2.083 635 63.5 0.903 1.839 46.71 62.27 6227 6.227 62.27 14.45 DH-009 * 50 4.167 1270 127 1.806 3.678 93.42 124.5 12.45 124.5 28.9 DH-010 * 100 8.333 2540 254 3.613 7.356 186.8 249.1 24.91 249.1 57.8