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OTT PLS User Manual

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36 pages
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English
Operating instructions
Pressure Probe OTT PLS

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OTT PLS Specifications

General IconGeneral
BrandOTT
ModelPLS
CategoryTest Equipment
LanguageEnglish

Summary

Basic Safety Information

General Safety Guidelines

Provides crucial safety warnings and guidelines for using the OTT PLS.

Installing the Pressure Probe

SDI-12 Interface Connection

Instructs on connecting the OTT PLS to a datalogger via the SDI-12 interface.

4-20 mA Interface Connection

Guides on connecting the OTT PLS to a datalogger via the 4-20 mA interface.

Max Load Resistance for 4-20 mA

Explains how to determine the maximum load resistance for the 4-20 mA interface.

SDI-12 Commands and Responses

Standard SDI-12 Commands

Lists and explains standard SDI-12 commands relevant to the OTT PLS.

Concurrent Measurement Commands

Details commands for concurrent measurements in SDI-12.

System Test Commands

Explains commands for performing system tests with the OTT PLS.

Advanced SDI-12 Commands

Setting Level/Pressure Units

Covers commands to set or read units for level and pressure measurements.

Setting Temperature Units

Details commands for setting or reading temperature units (°C/°F).

Setting Gravitational Acceleration

Explains commands to set or read local gravitational acceleration for accurate measurements.

Setting Water Density

Covers commands for setting or reading average water density, useful for brackish water.

Setting Depth Measurement Mode

Details commands to activate or deactivate depth measurement mode.

Carrying out Maintenance Work

Searching for Disruptions/Troubleshooting

SDI-12 Sensor Not Responding

Lists potential causes and solutions when the sensor doesn't respond to SDI-12.

Missing 4-20 mA Loop Current

Troubleshoots issues where the 4-20 mA loop current is absent.

Inconsistent or Missing Measured Values

Addresses problems with inconsistent or missing measured values.

4-20 mA Interface Status Output

Explains how loop current indicates operational states and faults for the 4-20 mA interface.

Repair

Technical Data

Appendix A: Connecting OTT PLS to Dataloggers

Appendix B: Connecting via 4-20 mA Interface

Appendix C: Installing OTT FAD 5 Humidity Absorbing System

Appendix D: Installing OTT FAD 4PF Humidity Absorbing System