

Sanhua YCQB02L12 is an electronic pressure sensor with a 1/4" SAE (7/16-20 UNF) threaded connection, designed for precise pressure control in refrigeration, air-conditioning, and heat pump systems. It operates in the range of 0–2 MPa (0–20 bar) and provides a 0.5–3.5 V ratiometric signal. With its compact housing, IP66/IP67 rating and wide refrigerant compatibility, it is suitable for various system applications.
Technical specifications:
Parameter | Value |
---|---|
Model | YCQB02L12 |
Pressure range | 0–2 MPa (0–20 bar) |
Max. working pressure | 52.5 bar |
Output signal | 0.5–3.5 V (ratiometric) |
Supply voltage | 5 V DC ± 0.25 V |
Accuracy | ±2 % FS |
Ambient temperature | –30 °C to +80 °C |
Medium temperature | –30 °C to +120 °C |
Protection class | IP66 / IP67 |
Mechanical connection | 1/4" SAE (7/16-20 UNF) |
Electrical connection | 2 m cable with XHP connector |
Compatible refrigerants | HFC, HFO, flammable refrigerants, CO₂ |
Certifications | UL/CSA, EMC Directive |
Data sheet