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P 29 Differential Pressure Transmitter

P 29 Differential Pressure Transmitter

Product Details:

  • Display Analog Dial
  • Outer Size 110 mm (approx.)
  • Thread 1/4 BSP Male
  • Seal Material Buna-N Rubber
  • Grade Industrial Grade
  • Sensor Type Capacitive Sensor
  • Material Aluminum Housing
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P 29 Differential Pressure Transmitter Product Specifications

  • Capacitive Sensor
  • Aluminum
  • Industrial Grade
  • Aluminum
  • Buna-N Rubber
  • 100 mm Dial
  • 1% F.S.
  • 0-2500 mmWC (customizable)
  • Analog Dial
  • 110 mm (approx.)
  • Powder Coated/Polished
  • Pressure Die Casting
  • 1/4 BSP Male
  • Aluminum Housing
  • Panel & Wall Mount
  • Liquid, Gas, Air
  • 100 mm
  • Mounting Clamps, Calibration Certificate

Product Description

Special features

  • High level of accuracy and long-term stability through automatic zero-point calibration
  • Easy configuration of the measuring range, analog output, time constants and units via PC or keyboard (optional)
  • Measurement of differential pressure or volumetric flow / flow rate possible
  • Multilingual menu (English/German/Italian/French)
  • Multi-coloured Display with keyboard for configuration of the pressure transmitter (optional)
  • Suitable for top-hat rail mounting and wall surface installation
  • Silicon-free materials for parts in contact with medium
  • Selectable output signal 0 .. 10 V, 0/4 .. 20 mA or 5 V
  • Selectable attenuation of the output signal from 0 .. 60 s
  • Can be calibrated
  • High level of overpressure protection even in the smallest measuring ranges protects the instrument against pressure peaks or incorrect operation
  • Quick and easy start-up due to automatic zero-point calibration
  • Pressure Ports: Laboratory nozzle optional with cutting ring connectorsTV-certified differential pressure transmitter for measurement for natural gas applications without Ex-zone requirements.

 

Measurement ranges
250 / 500 Pa
1 / 2.5 / 5 / 10 / 20 / 50 / 100 kPa
freely scalable from 10 .. 100 % within a measurement range
(others available on request)

Margin of error
0.2 % of max. value or 0.5 % of max. value (standard)
(0.3 Pa margin of error for the reference)

Output
0 .. 10 V (RL  2 k),
0 .. 20 mA (RL 500 )
4 .. 20 mA (RL  500 )
5 V (RL  2 k)
(output signals can be configured freely)

Power supply 
24 VDC, 10 %

Display (optional)
multicoloured LCD and keyboard

Tubing connections
Standard for tubing NW 5 .. 8 mm or
Cutting ring coupling 8 mm



Superior Precision and Reliability

Utilizing a high-quality capacitive sensor, the P 29 Differential Pressure Transmitter offers consistent and accurate readings for liquid, gas, and air applications. Its robust aluminum construction and powder-coated finish provide durability while maintaining performance in demanding industrial settings.


Flexible Mounting and Connectivity

Designed for easy installation, the transmitter accommodates both panel and wall mounting. Rear process connection and screw terminals facilitate straightforward integration, while accessories like mounting clamps and a calibration certificate are included for convenience and compliance.


User-Friendly Operation and Adjustment

External screw adjustments enable hassle-free zero and span calibration. The analog dial display offers clear visibility of measured pressure values on a 100 mm dial, supporting quick visual checks for process monitoring and control.

FAQ's of P 29 Differential Pressure Transmitter:


Q: How is the P 29 Differential Pressure Transmitter installed?

A: This transmitter supports both panel and wall mount options. It is equipped with a rear process connection (1/4 BSP male thread) and comes with mounting clamps for secure installation. The electrical connection is achieved via screw terminals.

Q: What types of media can the P 29 monitor for pressure?

A: The transmitter can measure differential pressure in liquids, gases, and air, making it ideal for applications such as filter monitoring, HVAC systems, and clean room environments.

Q: When should the zero and span adjustments be performed?

A: Zero and span adjustments should be carried out during initial setup, periodic calibration, or whenever the displayed values deviate from expected results. External screw adjustment features allow for quick and accessible correction.

Q: Where can this device be used within industrial or commercial environments?

A: The P 29 Differential Pressure Transmitter is suitable for a variety of settings, including industrial process plants, clean room facilities, HVAC systems, and locations requiring reliable filter monitoring.

Q: What benefits does the IP65 ingress protection offer?

A: IP65 ingress protection ensures that the device is dust-tight and protected against water jets, enhancing its suitability for harsh or humid environments and extending operational longevity.

Q: How does the capacitive sensor contribute to measurement accuracy?

A: The capacitive sensor delivers stable and precise readings with 1% full-scale accuracy, making the transmitter dependable for critical pressure monitoring and control applications.

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