WIKA R-1 Pressure Transmitter, 0...45 Bar Gauge, 7/16-20UNF-2B Schrader Connection, Delphi Metri-Pack 150, 3-pin Connector, 14575552
Technical overview
WIKA R-1 is a robust pressure transmitter for the refrigeration market, combining a hermetically welded thin-film measuring cell with stainless-steel wetted parts for stable performance in harsh ambient conditions and condensation-prone environments. This version provides a 0 ... 45 Bar Gauge measuring range with 4 ... 20 mA 2-wire output and 7 ... 30 V DC supply for straightforward PLC and control-loop integration, using a 7/16-20UNF-2B Schrader Female process connection and a Delphi Metri-Pack 150 series 3-pin electrical connector (pin assignment UB=B, 0V=C). cULus approval as per series configuration.
Key features
- Monolithic construction without elastomer process seals for long-term leak tightness
- Welded thin-film measuring cell for reliable pressure measurement in HVAC and refrigeration circuits
- Stainless steel wetted parts for compatibility with common refrigerants
- Maintenance-free design proven for very high load cycling
- Stable measurement in variable ambient conditions with high condensation tightness
- 4 to 20 mA two-wire output with 7 to 30 V DC supply for PLC and control integration
- Delphi Metri-Pack 150 series 3-pin electrical connector for quick installation and service
- cULus approval as per item configuration
- Made in Poland.
Applications
- Refrigeration plants and chillers
- Compressors and condenser monitoring
- Heat pumps
- Air-conditioning systems and HVAC skids
- Industrial refrigeration circuits using common refrigerants
Specifications
Measuring Range0 ... 45 Bar Gauge
Process Connection7/16-20UNF-2B Schrader, Female Connection
Output Signal4 ... 20 mA, 2-wire
Power Supply7 ... 30 V DC
Electrical ConnectionDelphi connector Metri-Pack series 150, 3-pin
Pin AssignmentUB=B, 0V=C
Accuracy2,0 %
ApprovalscULus
Non-Linearity≤ ±0.5 % of span
Long-Term Drift≤ ±0.3 % of span
Settling Time≤ 5 ms
Ingress ProtectionPlug connection IP67, cable outlet IP69K