Xiamen ZhiCheng Automation Technology Co., Ltd
"Precision Engineered, Globally Trusted – Innovating Automation Control & Modular Excellence."
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The Foxboro RH924YA is a high-precision industrial pressure transmitter designed for critical process measurement in harsh industrial environments. Part of Foxboro’s renowned RH Series, this transmitter features a robust 316L stainless steel housing with IP68/IP69K protection, ensuring reliability in extreme conditions such as high humidity, corrosive chemicals, and high-pressure washdowns. Utilizing advanced piezoresistive sensor technology, it delivers highly accurate gauge, absolute, or differential pressure measurements across a wide operational range. The RH924YA supports 4–20 mA analog output with HART® 7 protocol compatibility, enabling seamless integration into distributed control systems (DCS) and SCADA networks. Its modular design simplifies maintenance and calibration, making it ideal for oil and gas, chemical processing, and power generation industries.
The RH924YA is engineered for mission-critical industrial processes:
| Parameter Category | Specification / Attribute |
|---|---|
| Product Type | Pneumatic Force-Balance Differential Pressure Transmitter |
| Model Number | RH924YA |
| Series | Foxboro Spec 200 Legacy Line (Discontinued) |
| Measurement Type | Differential Pressure (ΔP) |
| Pressure Range | Standard Spans: • 0–25 inH₂O to 0–400 psi ΔP • Max Static Pressure: 1,500 psi (10.3 MPa) • Proof Pressure: 2× span |
| Output Signal | Pneumatic: 3–15 psi (0.2–1.0 bar) linear output |
| Supply Pressure | 20–35 psi (1.4–2.4 bar) clean/dry instrument air |
| Accuracy | ±0.5% of calibrated span (incl. linearity & hysteresis) |
| Operating Principle | Force-balance with twin diaphragms/capsules |
| Wetted Materials | Diaphragms: Ni-Span-C Seals: Buna-N (Std), Viton®/Teflon® (Opt) Process Connections: 316 SS |
| Process Connections | Dual Ports: • High/Low pressure: 1/2" NPT male • Options: Flanges, impulse tubing kits |
| Housing | Cast aluminum (epoxy-coated grey) |
| Enclosure Rating | NEMA 4X / IP66 |
| Ambient Temp. Range | -40°F to +185°F (-40°C to +85°C) |
| Process Temp. Limits | -40°F to +250°F (-40°C to +121°C) with standard seals |
| Response Time | <2 seconds (90% step change) |
| Zero/Span Adjustment | External screws with locking nuts |
| Mounting | Vertical orientation required (Prevents condensate accumulation in impulse lines) |
| Hazardous Approvals | Class I Div. 1 Groups A-D (UL/CUL) ATEX: Ex d IIC T6 (Optional) |
| Weight | 7.5 lbs (3.4 kg) |
| Compliance | ASME B40.1, EN 837-1 |
| Legacy Status | Discontinued (End-of-life: 1990s) |
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Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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With many years of experience in the industrial sector, we consistently deliver the highest quality of spare parts.which make sure that all this jobs are
perfectly.
we are major in PLC,Sensors,HIM,Transmitters.
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