Page 1
Design, Develop, Manufacture, Install and Maintenance Service for Gas Leak Alarm DOC NO.GT-046IM00E GPD-100 Instruction Manual Revision: 1.2 For proper use, please read this manual carefully prior to Copyright ⒞GASTRON, Co., LTD. All rights reserved.
Page 2
GPD-100 Instruction Manual Thank you for purchasing our GASTRON’s product. Gastron is a specialized company in producing gas detector and gas monitoring system. We have been recognized by customers for our best quality products and excellence in easy-to- use design. We are striving to provide the suitable product that fits customer’s needs, and continuously put every effort to develop better gas detector to satisfy customer’s requirements.
GPD-100 Instruction Manual 1. Introduction The GPD-100 is a portable gas detector that has been developed to detect a variety of gases so as to prevent serious accidents caused by unexpected gas leaks in hazardous areas such as industrial plants, gas storage facilities and factories in the process of producing or consuming combustible gases and toxic gases.
Warranty Sensor 1Year ※ Note1. Refer to the “List of detectable gases & vapours” or contact GASTRON for specific gas 3.2. Mechanical Specifications I T E M S S P E C I F I C A T I O N Dimension / mm 208(W) ×...
Sensor contact GASTRON for specific sensor data. Pressure Range 90 to 110KPa Max. air velocity 6m/s 4. Name and Functional Description of Components 4.1. Composing Elements [Figure 2. GPD-100 composing elements] PAGE 7 of 29 Rev 1.2(2021.09.29)
GPD-100 Instruction Manual 4.2. Front Panel Display part [Figure 3. Front panel display part] Name Descriptions Calibration icon Indicating that calibration procedure is being processed. Setting icon Indicating that value setting operation is being processed. Pump Icon Pump Operation Status display Test Icon Indicating that gas detector operates in test mode.
GPD-100 Instruction Manual This Power LED is turned on when power is successfully Power LED supplied. This Trouble LED is turned on when a device is recognized as Trouble LED malfunctioned This Alarm1 LED is turned on, when the measured value of gas...
GPD-100 Instruction Manual 5.3. Gas Measurement Mode ➢ When you press a switch “RUN/MODE”, the device will count down from 20 to 1, which is the time duration necessary to allow the sensor to stabilize. When it reaches to 0, the measured value of gas concentration is displayed on LCD.
GPD-100 Instruction Manual more than 80% of Battery level indicator charge (The outer line of the battery does not blink) more than 60% of Battery level indicator charge (The outer line of the battery does not blink) more than 40% of Battery level indicator...
Page 12
GPD-100 Instruction Manual [Figure 5. Date folders stored in SD card] Inside the folder named by date, there are folders named by time(hour_min_sec) stored. Each of these folders contains log data regarding measurement record and equipment information. (04-17 folder of the figure below, displays the April 17) [Figure 6.
GPD-100 Instruction Manual File Name Description Gas Log File GAS00.TXT Log about gas measurement records about System Status Report File REPORT.TXT Measurement Status System File INFO.DAT System File [Table 3. Log File description] 5.6.1. Gas log file Gas log files are stored in GAS00.txt name, to open using Notepad or Text editor.
Page 14
GPD-100 Instruction Manual [Figure 9. Report file status] Item sub time Description Note Device Name Model name of the product F/W Version Firmware version number Address Address of the device Flow Auto Whether or not flow auto function is Device...
GPD-100 Instruction Manual Auto Whether or not auto saving is under operation Start Time when logging starts Stop Time when logging starts Sample period(sec) Logging sampling period (seconds) Record Number The number of measurement records Minimum value Maximum value Average value...
GPD-100 Instruction Manual 6.2. Detailed Mode description Detailed menu and sub-menu of the device is as following table Level 1 Level 2 Level 3 Specify a detector [01] ranges between 01 and 64 number PSWd Set password [00] ranges between 00 and 99...
GPD-100 Instruction Manual 6.3. Configuration Mode ➢ While the device displays ”Stby”(Stand by), press and hold “RUN/MODE” key more than 2 seconds. Then you will enter menu selection mode. Password entering screen shows up. Input password using “ ”Key or ➢...
GPD-100 Instruction Manual key is pressed. (Possible to set OFF or 1~50, 1% ~ 50% of High scale) ➢ When desired number is displayed, press “RUN/MODE” key. Then a suppression percentage is set to be the number displayed. After that, the device goes to next item.
GPD-100 Instruction Manual ➢ This is a mode in which gas concentration measurement unit is set. When you press “ ” or “ ” key, unit icon will be changed at the right side of screen. (%LEL, %VOL, PPB, PPM) When desired icon is displayed, press “RUN/MODE”...
GPD-100 Instruction Manual ➢ While zero calibration is being performed automatically, “WAIt” message will display on LCD. If it completes successfully, “gOOd” (Good) will appear on LCD. If Zero Calibration fails, “FAIL” will show up during 2 seconds. Then the ➢...
GPD-100 Instruction Manual 6.6. Span Calibration If you press “RUN/MODE” key in “CALb” mode, you will enter calibration ➢ mode. When “ZERO” icon is blinking at the left corner of bottom, change it to ➢ “SPAN” icon by “ ” key or “...
Page 22
GPD-100 Instruction Manual you will go to a configuration menu(“ConF”). ➢ Select “ALAm”(alarm) by “ ”Key or “ ”Key. If you press “RUN/MODE” key, then you will go to alarm setting mode. ➢ This is a mode in which you can set alarm latch type. If you press “RUN/MODE”...
GPD-100 Instruction Manual ➢ In “2H” mode, alarm will operate when measured value equals to or is higher than alarm2 setting value. In “2L” mode, alarm will operate when measured value equals to or is lower than alarm2 value. When desired mode is displayed, press “RUN/MODE” key. Then the mode ➢...
Note 4) Log stop time in INFO.DAT file and REPORT.TXT file is not saved when SD card is forcedly removed during log save. GPD-100 has only data saving function which is saving logs to SD card. It is not able to read data through GPD-100. (It is not supported data reading function.) PAGE 24 of 29...
GPD-100 Instruction Manual 7. Troubleshooting 7.1. Fault Code Fault Description & Condition Possible cause 1) Sensor Cartridge Sensor cartridge is not loaded to main body or is connection fail. E-10 not qualified. 2) Sensor Cartridge Unit fault. 1) Sensor Cartridge Unit...
GPD-100 Instruction Manual If the detector pump and CEC fault returns to normal state, enter ➢ “Stby”(Standby) after display “good”. ➢ If the detector pump and CEC remain in a bad state, the fault alarm is maintained after display “FAIL”...
Page 27
GPD-100 Instruction Manual 2) Sensor Cartridge must be returned to the factory or authorized service center for repair. Sensor Cartridge must be returned to the factory or Sensor Cartridge Unit fault. authorized service center for repair. Gas Sensor Fault Replacement of gas sensors 1) After EEPROM format of sensor cartridge, Re- setting and re-calibration.
Need help?
Do you have a question about the GPD-100 and is the answer not in the manual?
Questions and answers