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  1. Detection - Measurement
  2. Flow, Pressure and Level Measurements
  3. Relative pressure transmitter
  4. Xi'an Chinastar M&C Limited
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Relative pressure transmitter CS-PT1801
absoluteceramiccapacitive

Relative pressure transmitter - CS-PT1801 - Xi'an Chinastar M&C Limited - absolute / ceramic / capacitive
Relative pressure transmitter - CS-PT1801 - Xi'an Chinastar M&C Limited - absolute / ceramic / capacitive
Relative pressure transmitter - CS-PT1801 - Xi'an Chinastar M&C Limited - absolute / ceramic / capacitive - image - 2
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Characteristics

Pressure type
relative, absolute
Technology
ceramic, capacitive
Output
4-20 mA, ratiometric 0,5-4,5 V
Supply voltage
12VDC
Protection level
IP67
Applications
for HVAC systems, for refrigeration circuits
Other characteristics
precision, temperature-compensated, high-overpressure
Pressure range

Max.: 50 bar
(725.19 psi)

Min.: 0 bar
(0 psi)

Precision

0.6 %, 1 %

Long-term stability

0.25 %

Process temperature

Max.: 25 °C
(77 °F)

Min.: 20 °C
(68 °F)

Description

Product overview

  • The CS-PT1801 pressure transmitter is designed for refrigerant pressure measurement in chillers, heat pumps and related HVAC/R systems.
  • It uses a ceramic capacitive sensing element with dedicated calibration electronics to support absolute or sealed gauge pressure measurement modes.
  • Construction provides high overload and burst pressure resistance, sealed protection and anti-condensation capability.


Features

  • Ceramic capacitive sensing element with good linearity and low temperature drift
  • High overload and burst-pressure tolerance
  • Fully sealed design with anti-condensation measures
  • Ingress protection IP67
  • Forward and reverse overvoltage protection
  • Available with multiple pressure units and process connections for application-specific configurations


Applications

  • Cold-water screw chillers
  • Water-source heat pump units
  • Ground-source heat pump systems


Performance specifications (test / typical conditions)

  • Test ambient temperature: 20–25 °C
  • Example supply voltage (typical test): 12 VDC (series may support 8–28 VDC depending on configuration)
  • Relative humidity (test): 45%–75%
  • Ambient atmospheric pressure (test): 86 kPa–106 kPa


Mechanical and supplementary information

  • Product outline drawings and performance graphs available on the product page; consult the datasheet for detailed mounting dimensions and electrical connections


Technical specifications (summary)

  • Model: CS-PT1801
  • Pressure type: configurable for absolute (vacuum reference) or sealed gauge measurement
  • Sensing element: ceramic capacitive
  • Typical accuracy: specified per product variant (example class: 1% F.S.)
  • Output / signal options: common options include 4–20 mA or proportional voltage (e.g., 0.5–4.5 V); selectable by model
  • Power supply: example test 12 VDC; series commonly supports 8–28 VDC depending on version
  • Ingress protection: IP67 (fully sealed, anti-condensation)
  • Suitable for refrigerant pressure monitoring and control in HVAC/R systems; downloadable product PDF (datasheet) available

Catalogs

CS-PT1801
CS-PT1801
1 Pages
CS-PT1801
CS-PT1801
5 Pages

Exhibitions

Meet this supplier at the following exhibition(s):

CHILLVENTA
CHILLVENTA

13-15 Oct 2026 Nuremberg (Germany)

  • More information

    Other Xi'an Chinastar M&C Limited products

    Pressure Sensor

    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.