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Dual differential pressure transmitter | 0-1000 Pa | 24 VDC

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Article code HPD-F-1K0
GTIN 0.540.100.300.748.8
Intrastat number
Category Dual input pressure transmitters
Current stock 0 U.
Factory lead time 4 Week(s)

Product description

The HPD series offers the capability to simultaneously measure differential pressure in two distinct locations. It requires 24 VDC supply voltage and its operational range is from 0 to 1.000 Pa. TBased on the K-factor of the fan, air volume flow is calculated. Air velocity readout is available by connecting external Pitot tube connection set.

Transmitting measured values realised through two output channels and Modbus RTU connectivity. The output type is selectable: 0-10 VDC, 0-20 mA or 0-100% PWM. All parameters are adjustable via Modbus RTU, enhancing customization and adaptability to specific requirements.

One of the primary applications of the HPD series is monitoring the volume of supplied and extracted air in ventilation systems or Air Handling Units.

Its surface-mountable enclosure has an IP65 rating, safeguarding against the ingress of dust and moisture, thus ensuring reliable performance in various environmental conditions.

Additional specifications and description

Differential pressure, air volume flow or air velocity?
This sensor measures differential pressure [Pa] in two different locations simultaneously. Based on the measurements, air volume flow [m³/hr] or air velocity [m/s] can be calculated. To calculate air volume flow based on the K-factor of the fan, use the optional connection set type PSET-PVC-200 or PSET-QF-200. This connection set can also be used to measure differential pressure. To calculate air volume flow based on the duct cross section [cm²] or air velocity [m/s], use the optional connection set type PSET-PTS-200 or PSET-PTL-200. Dual differential pressure sensor
How does it work?
This sensor has two analogue outputs. Each output transmits the measured differential pressure, air volume flow or air velocity proportionally. The default range of this sensor is 0 to 1.000 Pa. By default, each output transmits 0 V at 0 Pa and 10 V at 1.000 Pa. This range, the output types and all other settings can be adjusted via Modbus RTU.
Analogue output and Modbus
To obtain the measured value from this sensor, there are two options. Either read it from the Modbus registers or via the analogue output. The latter proportionally transmits the measured pressure difference, air flow or air velocity. The standard range of this sensor is 0 to 1.000 Pa. By default, the output is 0 V at 0 Pa and 10 V at 1 kPa. This range, output type (0-10 VDC / 0-20 mA / 0-100% PWM) and all other settings can be adjusted via Modbus RTU.
Heat Recuperation Unit
This sensor measures air volume flow in two different locations simultaneously. It can be used to monitor the supplied and extracted air volume in ventilation systems or Heat Recuperation Units (HRU). This sensor can be connected to internet via a Sentera internet gateway. This makes it possible to log data or to adjust settings remotely.
Easy to connect
The supply voltage, both outputs and Modbus RTU communication can be connected via the screw clamp terminal block. The supply voltage is 24 VDC. The ground terminals of the power supply (V-) and output (GND) are not internally connected. This means that a 4-wire cable is required to connect this sensor. Most 24 VDC power supplies offer protection against short circuit, overload and overvoltage. A 24 VDC supply voltage increases the safety and reliability of your installation
High quality
The enclosure is made of high-quality r-ABS VO (UL94) plastic. This material is heat resistant, very tough and offers good protection against impacts. The pressure connection nozzles are made from aluminium. The sensor enclosure offers an IP65 protection against ingress of dirt and water. This sensor can be wall-mounted.

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