Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 1800/20-XX-90-02-00 |
| Brand | Bently Nevada |
| Product Type | Proximity Probe |
| Dimensions | 8 x 8 x 1 cm |
| Weight | 0.14 kg |
| Output Signal | 4-20 mA current loop |
| Accuracy | +/-0.5% of full scale |
| Repeatability | +/-0.2% of full scale |
| Operating Temperature | -40 to +85 deg C |
| Storage Temperature | -40 to +85 deg C |
Signal and Measurement
A 4-20 mA current loop carries an analog measurement signal to a compatible PLC, DCS, or machinery monitoring input. The receiving channel must support the signal type and use the correct scaling for the measured variable.
Accuracy and repeatability describe separate performance characteristics. Accuracy indicates how closely a measurement matches a reference value, while repeatability describes the consistency of repeated measurements under comparable conditions. The supplied information does not specify the measurement range or test conditions for these values.
Configuration and Replacement
Before ordering a replacement, verify the complete model number and the installed system configuration. Check the measurement function, probe and cable arrangement, output scaling, and electrical interface against the existing equipment documentation.
The model designation alone does not confirm compatibility with a particular monitoring rack or transducer system. Do not assume that a probe with a similar model prefix has the same electrical characteristics or measurement range.
Frequently Asked Questions
Q: What signal does the 1800/20-XX-90-02-00 provide?
A: The supplied specifications list a 4-20 mA current-loop output. Confirm the output configuration on the actual unit before connecting it to a control or monitoring system.
Q: What should I verify before replacing this product?
A: Check the complete model number, measurement function, probe configuration, cable requirements, and receiving input specifications. These details help establish whether the replacement matches the installed system.
Q: Are the listed accuracy and repeatability values sufficient for equipment selection?
A: Not on their own. The measurement range, reference conditions, and applicable technical documentation should also be confirmed for the intended application.
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