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HVAC Pressure Transmitters
WIKA R-1 Pressure Transmitter, 0...45 Bar Gauge, 7/16-20UNF-2B Schrader Connection, Delphi Metri-Pack 150, 3-pin Connector, 14575552
WIKA

WIKA R-1 Pressure Transmitter, 0...45 Bar Gauge, 7/16-20UNF-2B Schrader Connection, Delphi Metri-Pack 150, 3-pin Connector, 14575552

Mfr. part no.
14575552
SKU
PT-R1-45BAR-MP3-14575552

Specifications

Measuring Range 0 ... 45 Bar Gauge
Process Connection 7/16-20UNF-2B Schrader, Female Connection
Output Signal 4 ... 20 mA, 2-wire
Power Supply 7 ... 30 V DC
Electrical Connection Delphi connector Metri-Pack series 150, 3-pin
Pin Assignment UB=B, 0V=C
Accuracy 2,0 %
Approvals cULus
Non-Linearity ≤ ±0.5 % of span
Long-Term Drift ≤ ±0.3 % of span
Settling Time ≤ 5 ms
Ingress Protection Plug connection IP67, cable outlet IP69K

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.

Description

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.

Applications

  • Refrigeration plants and chillers
  • Compressors and condenser monitoring
  • Heat pumps
  • Air-conditioning systems and HVAC skids
  • Industrial refrigeration circuits using common refrigerants

Documents

  • Datasheet-R1-14575552

    PDF, 46 KB

  • Wika R-1 — Datasheet

    PDF, 544 KB

  • Wika R-1 Operating — Instructions

    PDF, 1.2 MB

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