Johnson Controls P499ABS-404C Pressure Transducer
Genuine Johnson Controls P499ABS-404C is a high-precision 0-30bar (0-435psi) electronic pressure transducer for HVAC and refrigeration systems. Features 4-20mA output, 9-30VDC supply, 1/4" SAE flare port, 17-4PH stainless steel construction, surge/overvoltage protection, CE/UL certified. Ideal for chiller, compressor, refrigerant pressure monitoring, ensuring system safety and stability.
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Product Overview
Key Features & Advantages
Robust Construction: Machined from a solid piece of 17-4PH stainless steel with a fully welded, all-metal sealed design, eliminating O-rings and organic materials exposed to pressure media. This ensures leak-proof performance, excellent corrosion resistance, and long-term reliability in harsh environments, including extreme temperature fluctuations, high humidity, condensation, and icing.
Wide Compatibility: Suitable for all non-corrosive refrigerants, ammonia, lubricating oil, and water, making it ideal for centrifugal/screw chillers, heat pumps, cold storage, and industrial refrigeration equipment.
Superior Protection: Built-in surge protection, overvoltage protection for both positive and reverse polarity, and environmental sealing for electronics, ensuring stable operation even in unstable power conditions and industrial environments.
Easy Installation: Equipped with a standard 1/4" SAE 45° flare internal thread port with Schrader valve depressor, paired with a 2-meter shielded cable for direct mounting, simplifying installation and replacement in existing systems.
Compliance & Certification: Exceeds the latest CE/UL industrial standards, with digital temperature compensation ensuring high accuracy across a wide operating temperature range, guaranteeing consistent performance and system safety.
| Parameter | Specification |
|---|---|
| Model Number | P499ABS-404C |
| Brand | Johnson Controls (PENN) |
| Product Type | Electronic Pressure Transducer / Pressure Sensor |
| Pressure Range | 0 ~ 30 bar (0 ~ 435 psi) |
| Output Signal | 4 ~ 20 mA (Linear Analog) |
| Supply Voltage | 9 ~ 30 VDC |
| Accuracy | ±0.5% FS (Typical) |
| Process Connection | 1/4" SAE 45° Flare Internal Thread (with Schrader Depressor) |
| Wetted Material | 17-4PH Stainless Steel |
| Cable Length | 2m (Shielded Cable) |
| Operating Temperature Range | -40°C ~ +85°C (-40°F ~ +185°F) |
| Compensated Temperature Range | -20°C ~ +80°C (-4°F ~ +176°F) |
| Proof Pressure | 60 bar (870 psi) |
| Burst Pressure | 150 bar (2175 psi) |
| Media Compatibility | Non-corrosive refrigerants, ammonia, oil, water |
| Protection Features | Surge Protection, Reverse Polarity & Overvoltage Protection |
| Certifications | CE, UL |
| Application | HVAC, Chillers, Compressors, Refrigeration Systems |
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