Draft pressure transmitter P 26

Product Details:

Display Digital LCD/LED
Grade Industrial Grade
Thread G1/4 (Standard), others on request
Bourdon Tube Not Applicable for this model
Outer Size 80 mm (approximate body diameter)
Sensor Type Piezo-resistive Micromechanical Sensor
Seal Material Silicone / EPDM
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Draft pressure transmitter P 26 Product Specifications

Seal Material Silicone / EPDM
Finishing Powder Coated / Stainless Steel Polished
Sensor Type Piezo-resistive Micromechanical Sensor
Pointer Material Not Applicable; Digital Display
Material Stainless Steel / ABS Plastic Body
Scale Range 0 to 1000 Pa (custom ranges available)
Dial Material Not Applicable; Digital Display
Accessories Mounting brackets, electrical connector
Outer Size 80 mm (approximate body diameter)
Mount Type Panel / Wall Mount
Diameter 80 mm main body
Thread G1/4 (Standard), others on request
Processing Type CNC Machined
Bourdon Tube Not Applicable for this model
Measure Pressure Of Air and Non-corrosive Gases
Display Digital LCD/LED
Grade Industrial Grade
Accuracy 1% FS

Temperature Range -10C to +60C
Zero Adjustment Available (Push-button or screw type)
Protection Class IP65
Output Signal 420 mA, 010 V, RS485 (on request)
Response Time <100 ms
Electrical Connection DIN Plug or Cable
Overload Pressure 1.5 FS
Weight Approx. 220 grams
Power Supply 24V DC (1532V DC range)
Operating Position Any

Product Description

Special features

High level of accuracy and long-term stability through automatic zero-point calibration
Measurement of differential pressure or volumetric flow / flow rate possible
Easy configuration of the measuring range, analog output, time constants and units via PC or keyboard (optional)
USB interface (optional)
Display with keyboard for configuration of the pressure transmitter (optional)
Multilingual menu (English/German/Italian/French)
Suitable for top-hat rail mounting and wall surface installation
2 floating switching relays (optional)
Integrated power adapter for 115/230 VAC power supply
Silicon-free materials for parts in contact with medium
Output signal can be configured 0 .. 10 V, 0/4 .. 20 mA or 5 V
Selectable attenuation of the output signal from 0 .. 60 s
Can be calibrated
Highly stable measurements thanks to cyclical self-calibration of the zero point
High level of overpressure protection even in the smallest measuring ranges

Measurement ranges
10 / 50 / 100 / 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 % or 0,5 % of max. value
(0.3 Pa margin of error for the reference)

Output (linear / root-extracted)
0 .. 10 V (R_L 2 k)
0 .. 20 mA (R_L 500 )
4 .. 20 mA (R_L 500 )
5 V (R_L 2 k)
(output signals can be configured freely)

Power supply
24 VAC/DC, 10 %
24 VAC, +6 % (with galvanic seperation)
230/115 VAC, -15 %

Interface (optional)
USB, data cable supplied
External zero-point calibration

Display (optional)
multi-coloured LCD and keyboard

Precision Measurement for Air and Gases

The P 26 Draft Pressure Transmitter ensures reliable monitoring of air and non-corrosive gas pressures across a range of industrial applications. With custom scale ranges up to 1000 Pa, it delivers accuracy and quick response times essential for effective system control and safety.

Flexible Installation and Output Options

Install with confidence using the P 26's panel or wall mount capability and G1/4" thread (others available by request). Select your preferred output signal-4-20 mA, 0-10 V, or optional RS485-to easily integrate with existing monitoring or control systems.

Durable and User-Friendly Design

Built with CNC-machined stainless steel or robust ABS plastic and sealed with IP65 protection, the P 26 stands up to harsh environments. A digital LCD/LED display allows fast readings, with intuitive zero adjustment options (push-button or screw) for easy recalibration.

FAQ's of Draft pressure transmitter P 26:

Q: How do I install the P 26 Draft Pressure Transmitter?

A: The P 26 can be mounted on either a panel or a wall, using the provided mounting brackets and with an electrical connection via DIN plug or cable. Ensure the process connection matches the supplied G1/4" thread, or specify a different thread if needed.

Q: What types of output signals are available from the P 26?

A: The transmitter supports 4-20 mA and 0-10 V as standard output signals, while RS485 digital communication is available upon request, facilitating compatibility with a variety of industrial control systems.

Q: When should I use zero adjustment, and how is it performed?

A: Zero adjustment is necessary after installation or when there are noticeable drifts in readings. It can be performed easily using either the push-button or screw type adjustment, depending on the configuration ordered.

Q: Where is the P 26 Draft Pressure Transmitter ideally used?

A: This transmitter is designed for industrial applications involving air and non-corrosive gases, such as HVAC systems, laboratory environments, or manufacturing plants, thanks to its robust construction and IP65 protection.

Q: What is the benefit of the digital LCD/LED display on the P 26?

A: The integrated digital display provides quick, clear readings of the measured pressure, enhancing onsite monitoring and making it simple for engineers and technicians to stay informed about system performance.

Q: How does the P 26 handle overpressure situations?

A: The P 26 can withstand overload pressures up to 1.5 times its full scale, protecting its internal sensor and ensuring longevity even when subjected to occasional pressure spikes.

Q: What gases can be measured using this transmitter?

A: The P 26 is suitable for measuring differential pressure of air and other non-corrosive gases, ensuring reliable performance in ventilation, clean room, and filter monitoring applications.

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