DPT-MOD - PRESSURE and AIRFLOW MEASUREMENT AND MODBUS COMMUNICATION

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Product Description

DPT-MOD series devices include:

Two selectable functions:
Measure and monitor in-duct volume flow, velocity or
differential pressure
Measure and monitor air flow across centrifugal fans
Multiple selectable measurement units:
Volume flow: m3/s, m3/h, cfm, l/s
Velocity: m/s, ft/min
Pressure: Pa, inWC, mmWC, kPa, mbar
Modbus communication protocol

Specification

Communication:	RS-485 Modbus (RTU)
Accuracy (from applied pressure): (model 2500)	Pressure < 125 Pa = 1 % + 2 Pa Pressure > 125 Pa = 1 % + 1 Pa
Accuracy (from applied pressure): (model 7000)	Pressure < 125 Pa = 1.5 % + 2 Pa Pressure > 125 Pa = 1.5 % + 1 Pa
Zero point calibration:	automatic with autozero element (-AZ), by pushbutton or via Modbus
Measuring units:	Pressure: Pa, kPa, mbar, inchWC, mmWC, psi Flow: m³/s, m³/hr, cfm, l/s, m/s, ft/min
Measuring element:	MEMS, no flow-through
Supply voltage:	24 VAC 10 % / 24 VDC 10 %
Power consumption:	< 1.0 W
Output signal:	via Modbus
Response time:	1.020 s, selectable via menu or via Modbus
Operating temperature:	-20+50 C (with autozero calibration -5+50 C)
Protection standard:	IP54

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