NEMA 4 (IP66) Housing with Large, Bright LCD, Square Root Output for Flow
Digihelic® II Differential Pressure Controller combines the 2 SPDT control relays, 4-20 mA process output and Modbus communications with a large, brightly backlit 4 digit LCD display.
Features
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NEMA 4 housing enables a range of uses both outdoors or indoors where water is present
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Large backlight LCD display provides local reading from a distance
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Detachable terminal blocks reduce wiring difficulties saving installation time
Product Applications
Specifications
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Service: Air and non-combustible, compatible gases.
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Wetted Materials: Consult factory.
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Housing Material: Aluminum, glass.
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Accuracy: ±0.5% at 77°F (25°C) including hysteresis and repeatability (after 1 hour warmup).
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Stability: < ±1% per year.
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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.
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Temperature Limits: 32 to 140°F (0 to 60°C).
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Compensated Temperature Limits: 32 to 140°F (0 to 60°C).
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Thermal Effects: 0.020%/°F (0.036/°C) from 77°F (25°C).
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Power Requirements: High voltage power = 100 to 240 VAC, 50 to 400 Hz or 132 to 240 VDC; Low voltage power = 24 VDC ±20%.
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Power Consumption: Low voltage power = 24 VDC - 130 mA max; High voltage power = 100 to 240 VAC, 132 to 240 VDC - 7 VA max.
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Output Signal: 4-20 mA DC into 900 Ω max.
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Zero & Span Adjustments: Accessible via menus.
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Response Time: 250 ms (dampening set to 1).
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Display: 4 digit backlit LCD 0.6" height. LED indicators for set point and alarm status.
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Electrical Connections: Euro type removable terminal blocks with watertight conduit fittings for 1/2" watertight conduit.
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Process Connections: 1/8" female NPT.
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Enclosure Rating: Designed to meet NEMA 4 (IP66).
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Mounting Orientation: Mount unit in horizontal plane.
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Weight: 2 lb 10 oz (1.19 kg).
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Serial Communications: Modbus® RTU, RS485, 9600 Baud.
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Agency Approvals: CE, UL.
SWITCH SPECIFICATIONS
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Switch Type: 2 SPDT relays.
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Electrical Rating: 8 amps at 240 VAC resistive.
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Set Point Adjustment: Adjustable via keypad on face.
