Sensitron SMART S - User Manual

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Summary

Important Safety Warnings

Introduction to SMART S Detectors

Product Description and Capabilities

Details the SMART S gas detectors, their connectivity options, and intended applications in hazardous environments.

Flammable Gas Detector Identification

Explains how to identify flammable gas detectors based on their model and integrated electronics.

Technical Specifications Overview

Lists the key technical details and specifications of the SMART S gas detectors.

Installation Site Preparation

Optimal Detector Placement Guidance

Provides guidance on positioning detectors based on gas density for maximum detection effectiveness.

Sensor Technology Considerations

Compares catalytic and infrared sensors, detailing their performance and limitations.

Installation Procedures

Mounting Guidelines and Enclosure

Instructions on correct detector mounting, including enclosure drilling prohibition and wall fixing methods.

Detector Circuit Layout

Provides a diagram of the detector's circuit layout, including terminal blocks and LED indications.

Display Board Information (SMART S-SS)

Details the display board for SMART S-SS models, including components and LED indicators.

Detector Configuration Options

Explains the detector's output options (4-20mA, RS485) and optional relay/Hart boards.

4-20 mA Output Connection

Provides detailed instructions and schematics for connecting the detector's 4-20mA output.

RS485 Serial Output Connection

Details wiring requirements for connecting the detector via RS485 serial output in a daisy chain configuration.

Optional Board Connections

Explains how to associate alarm thresholds and faults with the optional STRS3REL relay board.

Testing and Use

Powering On the Detector

Describes the detector's power-on sequence, including LED indications and warm-up time.

Detector Calibration and Testing

Details factory calibration, how to perform future tests, and required calibration kits.

Detector Operation

Explains the detector's autonomous operation and the meaning of the status LED indicators.

Maintenance Procedures

Preventive Maintenance Routines

Outlines recommended frequency for functional tests (every 3-6 months) and recording results.

Corrective Maintenance Procedures

Guidance for addressing anomalies found during testing and returning units for repair.

Disassembly Instructions

Steps to safely power off, disconnect wires, and dismount the detector housing.

Packing Instructions

Available Accessories

Sensor Relative Response

Warranty Information and Coupon

Sensitron SMART S Specifications

General

Technology	Electrochemical, Catalytic, Infrared
Output Signal	4-20 mA, RS-485 Modbus
Power Supply	12-30 Vdc
Housing Material	Stainless steel
Protection	IP66
Response Time	<30 seconds (T90)
Battery Life	N/A (fixed device)
Weight	Approx. 1.5 kg (varies by model)
Operating Humidity	10% to 95% RH (non-condensing)