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Summary of Contents for Sentry ST314A
- Page 1 ST314A Hydrogen Leak Detector Instruction Manual Ver. 01_20230213...
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Page 3: Table Of Contents
Introduction -----------------------------1 Features 1-1. -------------------------------1 1-2. Applications ---------------------------1 Safety Information ----------------------1 Safety symbols 2-1. ------------------------1 Warning 2-2. -------------------------------2 Product Specifications ------------------3 General Descriptions --------------------4 4-1. Parts and Control Panel ----------------4 Lithium Battery Storage and Care 4-2. -------5 4-3. Charging the Lithium Battery -----------6 Operating Instructions -------------------8... -
Page 4: Introduction
Introduction Thank you for purchasing the Hydrogen leak detector. Read through this instruction manual before operating the unit. Please also store and retain this instruction manual for future reference. Features 1-1. High Quality LCD display . ˙ Exclusive LED Tip light design ˙... -
Page 5: Warning
frequency ,Electromagnetic field immunity test. IEC61000-4-8 : Power frequency magnetic field immunity test. Restrict to use of 10 substances within electrical and electronic equipment (EEE), thereby contributing to the protection of human health and the environment. REACH (SVHC) The device of used materials contents no following substances that list of proposed REACH substances of very high concern. -
Page 6: Product Specifications
Product Specifications ST314A Model Sensor Semiconductor 5% Hydrogen (H2) + 95% Nitrogen (N2), H2, CO, Detection Gases Methane(CH4), Ethanol(Natural gas) High：1PPM Medium：3PPM Sensitivity levels Low：10PPM Manually reset to background level Calibration Automatic reset to background level Response time Less than 0.5 second Warm up time Approx. -
Page 7: General Descriptions
General Descriptions Parts and Control Panel 4-1. 1. Power Button 10. Reset/Back Light Indicator 2. Sensitivity Level Indicator 11. Reset Indicator 3. Leak Level Indicator 12. Mute Indicator 4. Sensor failure Indicator 13. Buzzer Output 5. Low Battery Indicator 14. Mute Button 6. -
Page 8: Lithium Battery Storage And Care
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... -
Page 9: Charging The Lithium Battery
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 10 (Fig.1)
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Page 11: Operating Instructions
Operating Instructions Main Function Button Function 5-1-1 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 12 RESET Button The reset mode has 2 kinds, Auto Rest Mode and Manual Rest Mode. The factory default value is under Auto Rest Mode. Press and hold the rest button for 2 seconds to toggle to the Auto/Manual reset mode. Manual reset mode: ...
- Page 13 will be off. The detector will automatically default to ※ previous MUTE ON/OFF setting after re-start. The buzzer alarm is OFF Under the MUTE mode, all audible beeps are off. The buzzer alarm is ON Button Tone The buzzer gives one beep when any of button is pressed.
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Page 14: Low Battery Indicator
※When detector enters Auto backlight Mode (Power-saving Mode),pressing Backlight Button again, the detector will lit up the backlight on screen. Manual backlight Mode Under Manual backlight mode, pressing Backlight Button to toggle backlight ON/OFF. The backlight mode has 2 kinds, Auto backlight Mode and Manual backlight Mode. -
Page 15: Sensor Failure Indicator
Sensor Failure Indicator 5-1-3 The sensor failure icon blinks and gives slow beep alarm when sensor was misplaced or failure. Please replace a new sensor by section 6-2 or contact your dealer. Start with Auto/Manual Reset Mode Manual Reset Mode Inspection 5-2-1 Reset manually to the background level in clear air, and then inspect the possible leak point for... - Page 16 the leak level and give beep alarm. Move the probe tip away from the leak source for a moment (more than 2 seconds), then move it back to detect. Repeat to move back and forth, user can find more accurate leakage area.
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Page 17: Maintenance
Maintenance Leak Test Bottle Remember to close the seal cap of leak test bottle to avoid evaporating completely after test. Probe Tip 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 18: Clean
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. Replacement Parts Sensor DC 3.7 V rechargeable lithium battery ... - 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 Ver. 01 23/Feb...