Product Overview
Model 93 industrial instrument is a field instrument widely used in process control and monitoring, featuring high precision and stability. This manual aims to provide core parameters, installation, and selection references for engineering technicians and procurement personnel.
For complete technical documentation, click the link below to download the PDF version.
Download Model 93 Chinese Manual.pdf
Technical Specifications
The following are the key technical indicators of Model 93 instrument for selection and system design reference.
| Parameter | Specification |
|---|---|
| Measurement Range | -0.1~10 MPa |
| Accuracy Class | ±0.5% FS |
| Output Signal | 4-20 mA / HART |
| Power Supply | 24 VDC |
| Process Connection | G1/2 or 1/2 NPT |
| Protection Rating | IP65 |
Installation Steps
Correct installation is the prerequisite for ensuring long-term stable operation of the instrument. Please follow the steps below.
- Confirm the pipeline is depressurized, close the valve and drain the medium.
- Screw the instrument into the process connection port, using a suitable gasket.
- Connect the power and signal wires according to the wiring diagram, paying attention to polarity.
- After power-on, check whether the output is normal, and perform zero calibration if necessary.
Selection Comparison
Model 93 instrument offers multiple configurations, and users can choose according to actual working conditions.
| Model | Measurement Range | Output Signal | Application Scenario |
|---|---|---|---|
| 93-A | 0~1 MPa | 4-20 mA | Low-pressure pipeline |
| 93-B | 0~6 MPa | 4-20 mA + HART | Process control |
| 93-C | 0~10 MPa | 4-20 mA + HART | High-pressure system |
FAQ
- Zero drift: Check whether the power supply is stable, and recalibrate the zero point.
- No output signal: Confirm the wiring is correct and whether the power supply voltage is within the 24 VDC range.
- Decreased accuracy: May be caused by medium crystallization or diaphragm contamination, requiring cleaning or replacement.