XDB307-2 & -3 & -4 series of pressure transmitters are purpose- built for refrigeration applications, utilizing ceramic piezoresistive sensing cores housed in brass enclosures. With a compact and user-friendly design, and a specially engineered valve needle for the pressure port, these transmitters ensure excellent electrical performance and long-term stability. Designed to meet the demanding requirements of refrigeration compressors, they are compatible with various refrigerants. Widely used in the air conditioning and refrigeration industry, the transmitter provides precise and reliable pressure measurements.
1. Small and compact size with good sealing
2. Stainless steel shell/copper shell/copper shell with thimble
3. Affordable price & economical solutions
4. Complete surge voltage protection function
5. Provide OEM, flexible customization
1. Commercial air conditioner, Refrigeration
2. HVAC system, Automobile air conditioner
| Pressure range | -1~100 bar (optional) | Long-term stability | ≤±0.2% FS/year |
| Supply voltage | DC 5-12V, 9-36V | Response time | ≤4ms |
| Output signal | 4~20mA / 0~5V / 0~10V (others) | Safety overload pressure | 150% FS |
| Electrical connector | Packard/ gland direct cable/ (others) | Ultimate overload pressure | 200% FS |
| Insulation resistance | >100 MΩ at 500V | Materials in contact with liquids |
SS304, ceramic, H62 |
| Operating temperature | -40 ~ 125 ℃ | Housing material | Brass |
| Compensation temperature | 0 ~ 80 ℃ | Protection class | IP65 |
| Operating current | ≤3mA | Explosion-proof class | Exia II CT6 |
| Temperature drift (zero&sensitivity) |
≤±0.03%FS/ ℃ | Weight | ≈0.12kg |
| Accuracy | ±0.5% /±1.0% | ||
