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Pressure connections
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DMQ-RAD (flow measurement)
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Pressure connections
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DMQ-RAD (flow measurement)

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Description

Robust, universal, industrial-grade Δp - SENSOR - TRANSMITTER with good long-term stability, very low temperature drift and high overpressure safety. 10 square-root short circuit-proof analogue outputs 0-5 V, 0-10 V, 2-10 V, 0-20 mA, 4-20 mA or inverse: 5-0 V, 10-0 V, 10-2 V, 20-0 mA, 20-4 mA and 3 potential-free relay outputs, e.g. for limit values max and/or min, are fitted as standard (4th relay output available as an option). Universal supply voltages: 110-120 VAC, 230-240 VAC and 24 VDC. Small IP65 housing in a shapely design
 

Examples: Volume flow monitoring, Volume flow regulation, Industry etc.
 

For ventilation applications with the ever present turbulence, a programmable Δp damping of the display and outputs is a necessary functional advantage.

Features
Differential pressure, relative pressure (positive or negative pressure)
Measuring ranges: 0 - 0.4 mbar to 0 - 10 bar available
10 device groups with user-programmable ∆p measuring range within the measuring span of one group:
Group 1: 0 - 0.4 mbar to 0 - 2 mbar
Group 2: 0 - 1 mbar to 0 - 5 mbar
Group 3: 0 - 2 mbar to 0 - 10 mbar
Group 4: 0 - 10 mbar to 0 - 50 mbar
Group 5: 0 - 20 mbar to 0 - 100 mbar
Group 6: 0 - 100 mbar to 0 - 500 mbar
Group 7: 0 - 200 mbar to 0 - 1000 mbar
Group 8: 0 - 1 bar to 0 - 5 bar
Group 9: 0 - 2 bar to 0 - 10 bar
Group 10: 0 - 4 mbar to 0 - 20 mbar
Digital display: m/s, m3/h, Nm3/h as well as special units possible
Pressure sensor highly overloadable
Pressure sensor temperature compensated
Integrated filters in the pressure connections
Adjustable Δp-damping as standard: 1-240s
Extreme ambient temperature range -20 °C to +60 °C (4°F to +140°F)
10 analogue outputs as standard: 0-5V, 0-10V, 2-10V, 0-20mA, 4-20mA, 5-0V, 10-0V, 10-2V, 20-0mA, 20-4mA, linear, short-circuit-proof
3 relay outputs as standard
Option: 4th relay output
Universal supply voltage: 24 VDC and 115-120/230-240 V, 50-60 Hz
Housing protection class IP 65, ABS plastic
Documentation
Documentation
Datasheet DMQ-RAD
Electric connection diagram