SWI L505 User Manual

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VISUAL LEVEL

INDICATOR

Dip-Tape Visual Level Indicator

INSTALLATION AND OPERATIONS MANUAL

L505

Questions and Answers:

W
Wendy WilliamsJul 29, 2025
Why is my SWI L505 Measuring Instruments output inaccurate?
- T
  Troy ByrdJul 29, 2025
  Inaccurate output from your SWI Measuring Instruments can stem from several causes: * A coating or build-up on the float and/or stem. If this is the case, remove the indicator and clean the stem and float to eliminate any contaminants. * Liquid not properly entering the vessel. Verify that liquid is indeed entering the tank or vessel; a closed valve or a clogged pipeline might be obstructing the liquid's flow. * The tank level being insufficient for the float to function correctly. Ensure the float is buoyant in the liquid and that the tank or vessel maintains an adequate liquid level.
N
nperezAug 12, 2025
What to do if the float of SWI L505 Measuring Instruments is not buoyant?
- R
  Robin HillAug 12, 2025
  If the float in your SWI Measuring Instruments lacks buoyancy, inspect it for ruptures, deformation, or any trapped liquid. If the float is filled with liquid or has collapsed, replace it. Do not attempt to repair the float.

SWI L505 Specifications

General

Type	Laser Distance Meter
Laser Class	Class II
Laser Type	635nm, <1mW
Measuring Range	0.05m to 50m
Accuracy	±1.5mm
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-10°C to 60°C (14°F to 140°F)
Battery Type	2x AAA batteries
Units of Measurement	m, ft, in
Features	Continuous measurement, Pythagoras, Addition/Subtraction
Resolution	1mm

Summary

Manual Conventions and Important Information

Document Conventions

Explains how notes and cautions are used to convey specific information.

Copyright and Limitations

Details the copyright notice, right to make changes, and accuracy of information.

Product Warranty

Covers the one-year warranty for materials and workmanship against defects.

Company Contacts

Provides phone, fax, and email for general inquiries and support.

Installation Procedures

Unpacking and Inspection

Instructions for unpacking, inspecting components for damage, and recording serial numbers.

Pre-Installation Checks

Ensures proper site preparation and identifies required equipment for installation.

Mounting Guidelines

Details on mounting the unit vertically, applying thread sealant, and tightening.

Preventative Maintenance

Maintenance Procedures

Routine inspections to maintain functionality, including cleaning and checking for damage.

What to Avoid

Warning against using the indicator in systems containing iron particles.

Reference Information

Product Description

Overview of the L505 as a simple, economical liquid level indicator.

Theory of Operation

Explains the magnetic interlocking principle of the sliding steel tape.

Troubleshooting Common Issues

Identifies common problems like inaccurate output and float issues with solutions.

Product Specifications

Details physical, functional, and dimensional specifications of the indicator.

Model Configuration

Model Numbering System

Explains the technology, series, configuration, mount, stem, float, and tape style codes.

Service and Returns

Service Policy

Details conditions for product return, rebuilding, or replacement under warranty.

Return Material Procedure

Outlines steps for processing returns, including obtaining an RMA and required information.