Product overviewThe CS-PT300G is a fully welded pressure transmitter designed for refrigerant pressure measurement and control in refrigeration, air conditioning and heat pump systems. It provides industry-standard outputs and anti-condensation features for reliable operation.
Features- Silicon oil sensing element
- Sealed gage (sealed reference)
- All-welded construction (no O-rings, no leakage risk)
- Anti-condensation design
- Forward and reverse overvoltage protection
- High accuracy
Applications- Energy storage units
- Cold water screw units
- Water-source heat pump units
- Ground-source heat pump units
- Industrial refrigeration units
- Multi-split air conditioning systems
- Precision computer-room air conditioning
- Inter-row refrigeration air conditioning
- Air-source heat pumps
Performance specifications- Test temperature (typical condition): 25 °C
- Power supply: 12 VDC (for 4–20 mA) or 5 VDC (for 0.5–4.5 V ratio output)
- Relative humidity: 45%–75%
- Ambient atmospheric pressure: 86 kPa–106 kPa
- Industry-standard outputs: 4–20 mA or 0.5–4.5 V (ratio)
Structure and Dimension- Fully welded construction with international electrical connectors and pressure ports
- Structure and dimension drawings available on the product page
Accessories & documentationProduct page includes downloadable datasheet and manual (see product documents).
Technical specifications- Model: CS-PT300G
- Brand: Xi'an Chinastar M&C Ltd
- Sensor type: Silicon oil sensing element
- Pressure reference: Sealed gage
- Construction: All-welded, no O-rings
- Outputs: 4–20 mA or 0.5–4.5 V (ratio)
- Power supply options: 12 VDC (4–20 mA) or 5 VDC (0.5–4.5 V)
- Anti-condensation performance
- Intended use: Refrigerant pressure measurement for AC, refrigeration and heat pump systems
- Note: 0 barG = 101.325 kPaA (1 atm defined as 0 bar)