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Table of Contents
Summary of Contents for Sentry ST313A
- Page 1 ST313A Combustible Gas Detector Instruction Manual Ver.01_202211121...
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Page 2: Table Of Contents
Introduction -------------------------------------------1 1-1. Features ----------------------------------------------1 1-2. Applications -----------------------------------------1 Safety Information --------------------------------1 2-1. Safety symbols -------------------------------------2 2-2. Warning ---------------------------------------------3 Product Specifications --------------------------4 General Descriptions ----------------------------5 4-1. Parts and Control Panel -------------------------5 4-2. Main Function -------------------------------------6 4-2-1 Button Function-----------------------------------6 4-2-2 Low Battery Indicator--------------------------10 4-2-3 Sensor Failure Indicator -----------------------10 4-3. -
Page 3: Introduction
1.Introduction Thank you for purchasing the combustible gas detector. Read through this instruction manual before operating the unit. Please also store and retain this instruction manual for future reference. 1-1.Features LED Tip light ● Mute function ● Reset Indicator ● LED charging Indication ●... -
Page 4: Safety Information
2. Safety Information Read the following safety information carefully before attempting to operate or service the meter. Only qualified engineer should perform repairs. 2-1. Safety symbols Certification ◇ This instrument conforms to the following standards: EN61326-1:2021 : Electrical equipment for measurement, control and laboratory uses equipment EMC test. -
Page 5: Warning
2-2. Warning Please read the manual carefully to ensure safe and correct use of this meter before using. Please re-read if necessary. Be sure to adhere to the following points to avoid injury. Please be aware of this meter is not water-proof ●... -
Page 6: Product Specifications
3. Product Specifications Model ST313A Sensor Semiconductor Methane, Propane, Butane, and other Detection Gases hydrocarbons gases High : 10PPM Sensitivity levels Medium : 30PPM Low : 100PPM Calibration Manually reset to background level Response time Less than 0.5 second Warm up time Approx. -
Page 7: General Descriptions
4. General Descriptions 4-1. Parts and Control Panel Power Button Reset/Back Light Indicator ① ⑩ Sensitivity Level Indicator Reset Indicator ② ⑪ Leak Level Indicator Mute Indicator ③ ⑫ Sensor failure Indicator Buzzer Output ④ ⑬ Mute Button Low Battery Indicator ⑭... -
Page 8: Main Function
4-2. Main Function 4-2-1 Button Function Power Button 【 】 Turn ON: ● Press and hold the Power button for 2 seconds to turn the detector on. LCD screen will be lit with the start-up buzzer beep (or no buzzer beep under MUTE mode). Turn OFF: ●... - Page 9 Sensitivity Button 【 】 Press the Sensitivity button to change sensitivity. High, Medium or Low sensitivity level is signed by its respective icons The detector will automatically default to previous ※ sensitivity level after the warm-up. RESET Button 【 】 Press the Rest button once and the Reset Indicator on screen...
- Page 10 MUTE Button 【 】 Press the Mute button to toggle the audio alarm on ● and off. The buzzer alarm is turned off: The MUTE icon will be appeared. The buzzer alarm is turned on: The MUTE icon will be off. ※The detector will automatically default to previous MUTE ON/OFF setting after re-start.
- Page 11 Backlight ON/OFF Button 【 】 The backlight mode has 2 kinds, Auto backlight Mode and Manual backlight Mode. The factory default value is under Auto backlight Mode. Press and hold the Backlight Button for 2 seconds to toggle to the Auto/Manual backlight mode. Auto backlight Mode (Power-saving Mode) ●...
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Page 12: Low Battery Indicator
Tip Light LED Button 【 】 The tip light is always off after re-start. Press the Tip Light LED Button to turn on/off the light of probe tip. 4-2-2 Low Battery Indicator When the LOW-BATT icon is appeared： Read the warning in the section 5-3 carefully and charge the battery by section 5-4. -
Page 13: Maintenance
5. Maintenance 5-1 Leak Test Bottle Remember to close the seal cap of leak test bottle to avoid evaporating completely after test. 5-2. Replacement Parts ●Sensor ●DC 3.7 V rechargeable lithium battery Replacement of the sensor or Tip Light LED (3V) is shown in the following figure: Assemble the sensor on the same side as the raised point of the sensor seat. -
Page 14: Lithium Battery Storage And Care
5-3. Lithium Battery Storage and Care Operating Temperature and Humidity: Discharge 32°F ~ 122°F (0°C ~ 50°C), less than 80% RH Charging 32°F ~ 113°F (0°C ~ 45°C), less than 80% RH Storage Humidity: Less than 70% RH Storage temperature and capacity recovery: Temperature range Duration Capacity recovery -4°F ~ 139°F (-20°C ~ +60°C) - Page 15 Do not use the battery with conspicuous damage or ● deformation. Charging temperature range is regulated between ● 32°F ~ 113°F(0°C ~ 45°C). Do not charge the battery out of recommended temperature range. Charging out of recommended range might cause the generating heat or serious damage of battery.
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Page 16: Charging The Lithium Battery
◇ 5-4. Charging the Lithium Battery The detector will automatically turn off if the battery capacity is too low, charging it when the LOW-BATT LED is lit. It is highly recommended not to use the detector during charging, the battery may be heated and dangerous. The CHARGING LED be lit red color during charging, it will turn to green when charging is completed. -
Page 18: Clean
5-5 Clean Clean the Housing: Never use organic solvents to clean the meter. (Such as thinner, benzene, etc.) Warning: The organic solvents might damage the sensor, please avoid the solvents contacts the sensor. 5-6. Trouble Shooting 1. When the detector cannot turn on： Please refer to chapters 5-3 and 5-4 and make sure that the lithium battery is fully charged. - Page 20 SENTRY OPTRONICS CORP 3F, No. 122, Sec. 1, Sanmin Road, Ban-Ciao Dist., New Taipei City 220, Taiwan R.O.C. TEL: 886-2-2956-8198 FAX: 886-2-2956-7662 www.sentrytek.com.tw PA05-000312A-01 Ver. 01 22/Nov...