To Next PageTo Next Page
Need help?Do you have a question about the Fisher 846 and is the answer not in the manual?
General| Model | 846 |
|---|---|
| Category | Transducer |
| Accuracy | ±0.5% of span |
| Housing Material | Aluminum |
| Operating Temperature | -40 to 160°F (-40 to 71°C) |
| Mounting | Pipe |
Defines the purpose and content of the instruction manual for the 846 transducer.
Details the 846 current-to-pressure transducer's function, components, and design.
Details hazardous area classifications, electrical housing ratings, and other certifications.
Describes the materials used for the transducer's housing and O-rings.
Lists optional features and accessories for the 846 transducer.
Provides the weight specifications for aluminum and stainless steel housing models.
Details safe use and installation procedures for hazardous environments.
Covers mounting recommendations, torque, and bracket usage for the transducer.
Specifies the NPT sizes for supply and output connections and tubing requirements.
Details required air supply quality, pressure, and flow capacity for proper operation.
Covers wiring, grounding, conduit connections, and safety precautions for electrical hookup.
Describes stroke and exhaust ports and the effect of signal interruption on output.
Calibration steps for standard performance units with full range direct action input.
Calibration steps for multirange units with full range direct action input.
Calibration for standard performance units with split range direct action input.
Calibration for standard performance units with full range reverse action input.
Calibration for multirange units with full range reverse action input.
Calibration for standard performance units with split range reverse action input.
Describes how the electronic circuit receives input and interacts with the pressure sensor.
Explains how the actuator converts electrical current to motion using a coaxial moving magnet.
Details the pilot stage's components (nozzles, deflector) and its function in controlling output.
Describes the booster stage's poppet valve design and pressure gain for output signal control.
Highlights stroke port and Remote Pressure Reading (RPR) for fault determination.
Explains how to use the stroke port to quickly check transducer output and functionality.
Details the optional RPR feature for remote output pressure monitoring.
Simple checks and procedures for troubleshooting the transducer while it is operational.
Procedures for troubleshooting the entire transducer or its subassemblies in a shop environment.
Details the field-replaceable module, its ports, O-rings, and subassemblies.
Step-by-step instructions for safely removing the module final assembly from the housing.
Procedure for attaching the module cover and reinstalling the module final assembly.
Explains the RPR jumper's function and positioning for remote pressure reading.
Details the range jumper's role in calibration and setting input/output ranges.
Explains the difference between direct and reverse action units based on circuit board color and operation.
Instructions for removing the electronic circuit board to inspect the pressure sensor.
Identifies direct vs. reverse action based on diaphragm color in the pilot/actuator assembly.
Procedure for removing the pilot/actuator assembly, including cleaning precautions.
Steps for correctly installing the pilot/actuator assembly, verifying diaphragm color.
Lists the components included in the standard repair kit.
Lists all available parts for the 846 transducer with key numbers and descriptions.
