Amphenol SENSORTECH SGX-4 Series User Manual
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Amphenol SENSORTECH SGX-4 Series User Manual

Electrochemical gas sensor evaluation kit
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SGX_EVAL_EC is
dedicated to
our sensor series:
SGX- 4
xxx
SGX- 7
xxx
PS1 & PS4
SGX- AOX/EOX/VOX
Electrochemical Gas Sensor Evaluation Kit - User Guide
Electrochemical Gas
Sensor Evaluation Kit
User Guide
Quality, Safety, Responsibility
SGX_EVAL_EC
Page 1

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Summary of Contents for Amphenol SENSORTECH SGX-4 Series

  • Page 1 SGX_EVAL_EC SGX_EVAL_EC is Electrochemical Gas dedicated to Sensor Evaluation Kit our sensor series: SGX- 4 SGX- 7 PS1 & PS4 User Guide SGX- AOX/EOX/VOX Quality, Safety, Responsibility Page 1 Electrochemical Gas Sensor Evaluation Kit - User Guide...
  • Page 2 Important Informa�on Before using this product, please study all the instructions and warnings. SGX Sensortech does not accept responsibility for damage or injury resulting from failure to follow the instructions provided. WARNINGS • The Evaluation Kit is dispatched from SGX Sensortech in a safe condition. Any unauthorized modifications may compromise safety and invalidate the warranty.

  • Page 3: Table Of Contents

    Table of Contents INTRODUCTION QUICK START GUIDE QUICK START GUIDE USING SOFTWARE Data logging Page Settings Page USER INTERFACES, CONTROLS AND INDICATORS USB Interface (J1) Electrochemical Sensor Connector (S2, S3 or S4) ELECTROCHEMICAL SENSORS Biasing Output Amplifiers Setting Zero Setting Span/Sensitivity Minimising Noise on the Electrochemical Sensor Output Temperature Measurement CHINA RoHS DECLARATION...

  • Page 4: Introduction

    INTRODUCTION Thank you for purchasing the SGX Electrochemical Gas Sensors Evaluation Kit. SGX Electrochemical Gas Sensors are low power devices capable of detecting a range of toxic gases as well as oxygen. Our device can be used in many different applications and this Evaluation Kit from SGX will allow you to experiment and find the most suitable mode of operation for your particular use.

  • Page 5: Quick Start Guide

    QUICK START GUIDE WARNING: Do not connect or plug in any Gas Sensors until instructed! (Picture 1.) (Picture 2.) (Picture 3.) (Picture 4.) Adjust the bias potentiometer (using a small flathead screwdriver) to value stated in datasheet of sensor. The value of the Bias set bias is displayed in the application in the window -600.0...

  • Page 6: Quick Start Guide

    QUICK START GUIDE WARNING: Do not connect or plug in any Gas Sensors until instructed! Bias settings table For the most popular Electrochemical Sensor Bias Circuit Output Sensor setting Voltage Polarity – V SENSE SGX-4CO Carbon Monoxide Positive SGX-4H2S Hydrogen Sulphide Positive SGX-4NH3 Ammonia...

  • Page 7: Using Software

    USING SOFTWARE Follow the instructions in the Quick Start guide to get the software operating. The main application screen should look as follows: Data logging Page Concentration(A) Gas concentration (ppm or %) at Channel A Current (A) Relative sensor current at Channel A (after Zero Calibration) Current Raw(A) Absollute sensor current at Channel A Concentration(B)

  • Page 8: Settings Page

    Settings Page Field can be modified by user In the factory settings this channel is always switched to "Current". If you are connecting VOX/AOX/EOX set it to "OFF" Gain/range of sensor current measurement - to get a more precise result from the sensor, increase this value.

  • Page 9: User Interfaces, Controls And Indicators

    USER INTERFACES, CONTROLS AND INDICATORS USB Interface (J1) J1 is a type USB-C connector for communicating with a PC. Electrochemical Sensor Connector (S2, S3 or S4) Electrochemical sensors should be plugged into S2, S3 and S4. Before plugging the sensor in the socket, ensure that the correct bias voltage has already been set up and that the SGX_EVAL_EC power has been switched off.

  • Page 10: Electrochemical Sensors

    ELECTROCHEMICAL SENSORS The user is advised to study the Electrochemical Sensor Application Notes at SGX website for information on principles of operation of electrochemical sensors. Biasing Electrochemical sensors are normally operated in a ‘potentiostat’ circuit which is designed to maintain a constant bias between the sensing electrode (sometimes called the “working electrode”) and the reference electrode.

  • Page 11: Setting Zero

    Setting Zero To remove any zero offsets, apply clean air to the sensor and press ‘Calibrate Zero’. If a supply of nitrogen is available, this can be used to set an accurate zero. The sensor output current (nA) is now being correctly displayed with the zero offset removed. The raw current field will show the absolute value for the reference.

  • Page 12: China Rohs Declaration

    CHINA RoHS DECLARATION 有 毒 有 害 物 质 或 元 素 (Hazardous Substances or Elements) 零 件 项 目 ( 名 称 ) 铅 镉 六 价 铬 汞 多溴联苯 多溴二苯醚 (Component Name) Mercury Poly- Poly- Lead Cadmium Chromium VI SGX_EVAL_EC Evaluation Kit (Pb) (Hg)

This manual is also suitable for:

Sensortech sgx-7 seriesSensortech ps1 seriesSensortech ps4 seriesSensortech sgx-aox seriesSensortech sgx-eox seriesSensortech sgx-vox series ... Show all

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