Dwyer德威尔 DHII-002 DHII-004 DHII-006 DHII-007 差压表

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Service:Air and non-combustible, compatible gases.Wetted Materials:Consult factory.Housing Material:Aluminum, glass.Accuracy:±0.5% at 77°F (25°C) including hysteresis and repeatability (after 1 hour warmup).Stability:< ±1% per year.Pressure Limits:Ranges ≤ 2.5 in w.c. = 2 psi; 5″: 5 psi; 10″: 5 psi; 25″: 5 psi; 50″: 5 psi, 100″: 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:High voltage power = 100 to 240 VAC, 50 to 400 Hz or 132 to 240 VDC; Low voltage power = 24 VDC ±20%.Power Consumption:Low voltage power = 24 VDC – 130 mA max; High voltage power = 100 to 240 VAC, 132 to 240 VDC – 7 VA max.Output Signal:4-20 mA DC into 900 Ω max.Zero & Span Adjustments:Accessible via menus.Response Time:250 ms (dampening set to 1).Display:4 digit backlit LCD 0.6″ height. LED indicators for set point and alarm status.Electrical Connections:Euro type removable terminal blocks with watertight conduit fittings for 1/2″ watertight conduit.Process Connections:1/8″ female NPT.Enclosure Rating:Designed to meet NEMA 4 (IP66).Mounting Orientation:Mount unit in horizontal plane.Weight:2 lb 10 oz (1.19 kg).Serial Communications:Modbus® RTU, RS485, 9600 Baud.Agency Approvals:CE, UL.
SWITCH SPECIFICATIONSSwitch Type:2 SPDT relays.Electrical Rating:8 amps at 240 VAC resistive.Set Point Adjustment:Adjustable via keypad on face.