Core Technical Advantages
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High-Visibility Monitoring: The 114 mm (4 1/2 inch) white-on-black scale features two red pointers. This high-contrast design provides an instant visual check of both the actual process temperature and how far it has drifted from the set point.
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Vibration Resistance: By utilizing a low-mass internal design, the 4196 is engineered to withstand the mechanical vibrations common in heavy industrial plants without losing calibration or suffering mechanical failure.
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Tool-Free Field Adjustments: Maintenance is streamlined because the set point, zero/span for the process pointer, and the switch between direct and reverse action can all be adjusted quickly without specialized tools.
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Extreme Environment Readiness: The housing is constructed from tough, corrosion-resistant plastic. For specialized applications like natural gas processing, internal constructions are available that comply with NACE standards for sour gas (H2S) service.
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Pneumatic Efficiency: The refined relay and nozzle design lowers steady-state air consumption to as little as 0.09 normal m3/h (3.5 scfh), reducing the load on plant air systems and lowering operational costs.
Technical Core
| Feature | Technical Specification / Detail |
| Control Modes | Proportional only, Proportional-plus-reset, or Proportional-plus-reset-plus-derivative |
| Output Signal | 0.2 to 1.0 bar (3 to 15 psig) or 0.4 to 2.0 bar (6 to 30 psig) |
| Supply Medium | Air or Sweet Natural Gas (Sour gas options available) |
| Steady-State Consumption | 0.09 m3/h (3.5 scfh) |
| Scale Size | 114 mm (4.5 inch) |
| Construction | Corrosion-resistant plastic housing |
| Action | Direct or Reverse (Field-reversible) |
Applications and Industry Sectors
The 4196 is a “set-and-forget” instrument typically found in locations where electronic power is unavailable or too costly to install.
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Oil and Gas Production: Managing temperatures in separators, heaters, and treaters where reliability in remote locations is critical.
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Chemical and Petrochemical: Local temperature control for process vessels and heat exchangers.
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Pulp and Paper: Monitoring and controlling steam-heated drying cylinders and chemical vats.
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Marine: Engine cooling water systems and fuel oil heating where vibration resistance is a primary requirement.
Xi’an Yunrui Trading Co., Ltd. Technical Support
Xi’an Yunrui Trading Co., Ltd. is a major supplier of Fisher brand products. We specialize in providing original, high-efficiency Emerson automation solutions to industrial clients. Beyond supplying core hardware like the 4196 Temperature Controller, we leverage deep technical expertise to provide professional support and model selection guidance for procurement and engineering projects. By optimizing our supply chain, we provide a distinct pricing advantage, ensuring we offer highly competitive prices while assisting clients in optimizing processes and achieving digital upgrades.
If you are replacing an older 4150 or 4160 series unit and need to verify the correct sensing element range for your specific application, please contact our technical team.
