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STS 300 Series - User Manual

STS 300 Series
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Special Technical Services Inc.
354 US Highway 46 Suite 1C
Hackettstown, NJ 07840 USA
T +1 609-259-2626
F +1 609-259-0044
Email info@specialtechnicalservices.com
Installation and Operating Instructions
STS 300 Series Electronic Indicating Ground Assembly

Questions and Answers

  • J
    jeffreybarnesJul 28, 2025
    Why is the green light ON when STS Measuring Instruments system is not attached to a vehicle or drum?
    • N
      nashjessicaJul 28, 2025
      If the green light is ON when the STS Measuring Instruments system is not attached, check for: incorrect installation of lens caps (Red on the left, Green on the right); a missing or damaged isolating washer on the clamp; stainless steel points set at an improper depth and are touching; or a fault/damage in the controller wiring.

Summary

Description

Model Designation

Explains how to interpret the STS 300 model number based on its configuration characters.

Installation

Outlines installation requirements, including personnel qualifications and applicable codes.

Mounting

Details mounting hole specifications, optimal height, seal fitting requirements, and torque values.

Electrical Connections

Operation and Care

Indicator Lights Operation

Details the status of red and green indicator lights and their relation to operational states.

Troubleshooting

Retracting Reel

Describes standard and heavy-duty retractable reels, their construction, and applications.

Deadman Feature

Explains the standard and enhanced Deadman control options and their operational requirements.

Clamp Stowage Plate

Details the clamp stowage plate, its purpose, and material for safe storage.

Technical Specifications

Monitoring System

Lists power supply, operating range, fusing, enclosure type, weight, and certifications for the monitoring system.

Monitoring Circuit and Indicators

Details monitoring circuit resistance, relay ratings, and integrity light functions.

Cable and Clamp Specifications

Provides specifications for integrity ground cable, operator cables, and the grounding clamp.

STS 300 Series Specifications

General IconGeneral
BrandSTS
Model300 Series
CategoryTouch Panel
LanguageEnglish