Overview
The Honeywell 05704-A-0122 is a rugged pressure sensor module engineered for industrial automation systems that demand stable, accurate, and fast process measurement. The module delivers precise absolute, gauge, and differential pressure readings under harsh field conditions. Moreover, it integrates smoothly with Honeywell Distributed Control Systems, ensuring consistent data flow and reliable system behavior. Engineers value this module because it maintains accuracy during thermal shifts and heavy vibration exposure. In addition, its robust construction supports long operational life in critical process environments.
Key Features
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High-accuracy pressure measurement across absolute, gauge, and true gauge modes
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Stable analog signal output optimized for 4–20 mA process loops
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Strong environmental durability with IP65 protection
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Reliable performance from −40°C to +85°C operating range
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Smooth integration with legacy and modern Honeywell DCS platforms
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Multiple alarm modes for advanced process safety functions
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Isolated analog output for noise-immune signal transmission
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Rugged chassis-mount design suitable for demanding industrial areas
Technical Specifications
| Feature |
Details |
| Model Number |
05704-A-0122 |
| Product Type |
High-performance pressure sensor module |
| Measurement Types |
Absolute, gauge, true gauge |
| Application |
Industrial process control, test and measurement |
| Dimensions |
263 × 58 × 28 mm |
| Weight |
0.5 kg |
| Output Signal |
Analog 0–20 mA or 4–20 mA |
| Input Full Scale |
15 mV to 300 mV (catalytic input) |
| Operating Temperature |
−40°C to +85°C |
| System Operating Temperature |
−5°C to +55°C (module variant) |
| Humidity |
20–90% RH non-condensing |
| Protection Rating |
IP65 |
| Supply Voltage |
18–32 VDC |
| Power Consumption |
12.8 W |
| Mounting |
Rack-mounted within Honeywell DCS chassis |
| Alarm Functions |
Rising, Falling, Master, Zone, Voted, STEL, LTEL |
| Relay Interface |
Provided via external Relay Interface Assembly |
Typical Applications
The module supports industrial sectors where reliable pressure data ensures safe and optimized operations. For instance, it is widely deployed in chemical plants for reactor monitoring and in power stations for turbine and boiler pressure supervision. Moreover, water and wastewater facilities use the module for membrane filtration, pump load management, and pipeline safety monitoring. Integration engineers prefer the 05704-A-0122 because it reduces calibration drift and supports long-term maintenance cycles.
Reliability & Maintenance
Honeywell designed the 05704-A-0122 for long-term service in high-demand environments. Therefore, the module requires minimal periodic calibration, and its sealed housing prevents moisture intrusion. In addition, the stable analog output helps technicians diagnose issues quickly without frequent field adjustments. Honeywell documentation supports predictive maintenance planning for facilities with strict uptime requirements.
FAQ
Q1: What systems support the Honeywell 05704-A-0122 module?
The module integrates with Honeywell Distributed Control Systems, including legacy System 57 and compatible modern platforms.
Q2: Can the module operate in outdoor or corrosive environments?
Yes. Its IP65 protection and wide temperature range allow reliable use in harsh field conditions.
Q3: What signal output does the module provide?
It delivers isolated analog outputs configurable at 0–20 mA or 4–20 mA.
Q4: Does the module support industrial safety alarms?
Yes. It includes multiple alarm modes such as Rising, Falling, Master, Zone, STEL, and LTEL.
Q5: Is the 05704-A-0122 suitable for high-vibration installations?
Yes. The rugged mechanical structure maintains measurement accuracy under vibration and thermal cycling.
