Solinst Water Level Temperature Sensor 4-20mA User Guide
Table of Contents

1.0 Introduction

• 1.1 WLTS 4-20mA Interface Overview
• 1.2 WLTS 4-20mA System Components
• 1.3 Sensor Overview & Measurement Parameters
  • 1.3.1 Absolute Level
  • 1.3.2 Vented (Gauge) Level
  • 1.3.3 Temperature
• 1.4 Communication/Vented Cables
  • 1.4.1 Communication Cable Connections

2.0 WLTS Software Utility

• 2.1 Communicating with the WLTS PC Software Utility
• 2.2 Programming the Water Level Temperature Sensor
• 2.3 WLTS Current Loop Adaptor Diagnostics

3.0 4-20mA Wiring Setup and Installation

• 3.1 4-20mA Wiring Connection
• 3.2 Installation
  • 3.2.1 Installation in a 2" Well
  • 3.2.2 Biofouling Conditions

4.0 WLTS 4-20mA Operation

• 4.1 4-20mA Current Calculations

5.0 Maintenance

• 5.1 General Maintenance
  • 5.1.1 Sensor Maintenance
    • 5.1.1.1 Changing or Updating WLTS
  • 5.1.2 Communication/Vented Cable Maintenance
• 5.2 Firmware Updates