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Handheld
Handheld
Handheld
Handheld Intelligent
（ Please read this manual carefully before using ）
ENVIRONMENTAL
ENVIRONMENTAL
ENVIRONMENTAL
ENVIRONMENTAL SENSOR
EST-1000
EST-1000
EST-1000
EST-1000
Intelligent
Intelligent
Intelligent Toxic
User
User
Manual
Manual
User
User Manual
Manual
SENSOR
SENSOR
SENSOR TECHNOLOGY
Toxic
Toxic
Gas
Gas
Toxic Gas
Gas Detector
TECHNOLOGY
TECHNOLOGY
TECHNOLOGY CO
Detector
Detector
Detector
CO
CO. . . . INC.
CO
INC.
INC.
INC.
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Summary of Contents for ENVIRONMENTAL SENSOR TECHNOLOGY CO.INC. EST-1000
- Page 1 EST-1000 EST-1000 EST-1000 EST-1000 Handheld Handheld Intelligent Intelligent Toxic Toxic Detector Detector Handheld Handheld Intelligent Intelligent Toxic Toxic Gas Gas Detector Detector User User Manual Manual User User Manual Manual （ Please read this manual carefully before using ） ENVIRONMENTAL...
- Page 2 Contents Contents Contents Contents I. Product Overview...................1 II. Product Description................1 III. Performance Parameters...............3 IV. Notes....................4 V. Operational Processes................4 VI. Menu Description................6 VII. Calibration Method................9 VIII. Troubleshooting................. 10 IX. Instrument Supporting................11 Appendix Type & Specification of the Sensor..........11...
- Page 3 Product Product Overview Overview EST-1000 series handheld intelligent toxic gas detector is an intelligent hand-held alarm that detects the concentration of toxic gas in the target gas with high precision and low power consumption by an advanced electrochemical technology. EST-1000 series adopt a natural gas diffusion testing method (external handheld pump for option).
- Page 4 2/11 Among them, the LCD screen is used to display the gas concentration, time and various information parameters. The two LED lights on the top are alarm lamps, which flash alternately when the gas alarms. The LED at the left side of the bottom of the LCD is the power light, which is green and lights when the battery voltage is not enough.
- Page 5 3/11 III. III. III. III. Performance Performance Performance Performance Parameters Parameters Parameters Parameters Optional (electrochemical Product name Gas detection alarm Sensor name sensor) Type of product EST-2000 Type of sensor Optional External power 5VDC/500mA Detecting target Toxic gas (optional) supply Type of battery Lithium ion battery Detection principle...
- Page 6 4/11 Notes Notes IV. Notes Notes The use, maintenance and calibration of the instrument shall be taken by special people. 1. Both of the zero point and full scale shall be calibrated once every three months; 2. The detection probe shall be cleaned on a regular basis. Otherwise, the dust and impurities will plug into the gas hole, which will make the sensitivity of the sensor decreased.
- Page 7 5/11 Next, enter the sensor and wait for the warm-up for about 60 seconds. Accompanied by the sound of the buzzer, the LCD shows the countdown time, which is shown as the following left picture. After the completion (it shows 00 seconds), the LCD shows “Turn on” for about 1 second, the alarm light is on, the buzzer sounds and it waits for the completion, which is shown as the following right picture.
- Page 8 6/11 4. Instrument Shutdown There are three ways of shutting down the instrument, which are the automatic shutdown when the battery capacity is too low, the automatic shutdown when the set time is up and the manual shutdown when pressing the power (long press the “Power/Confirm” for about 3 seconds). The buzzer sounds when shutting down, the LCD shows the “POWER OFF”...
- Page 9 7/11 2. Timepiece Setting Select the first option “1. Timepiece” in the Main Menu and then press the Confirm to enter the setting of timepiece. There are three options in the sub-menu of Timepiece: “1. Time:”, “2. Date:” and “3. Y (W):” the first option is to set the hour and the minute, the second option to set the month and the date and the third option to set the year and the week.
- Page 10 8/11 4. Software Calibration: Select the third option “3. Calibration” in the Main Menu and then press the Confirm to enter software calibration. There are three options in the sub-menu of Calibration: “1. Zero:”, “2. Span:” and “3. Clear:”; the first option is to set zero calibration, the second option to set gain calibration and the third option to clear the parameter of the calibration.
- Page 11 9/11 6. Instrument Setting: Select the fifth option “5. Setting” in the Main Menu and there are six options in the sub-menu of Setting: “1.BLT:”, “2. AOT:”, “3. AOV:”, “4. MAD:”, “5. LRV:” and “6. Reset:”; the first option is backlight time, the second option auto power off time, the third option the voltage of auto power off, the fourth option the communication address of the module, the fifth option the reference voltage of LCD (LCD grey scale) and the sixth option resetting (restoring to the default values).
- Page 12 10/11 silicone gel; when using it, you should only take the soft silicone and please apply silicone gel on it after the calibration). If you don’t want hardware calibration, you could press the relevant button to enter the menu-calibration mode in the detection state to realize the calibration of the concentration of the gas with software.
- Page 13 Instrument Supporting Supporting Supporting Supporting 1. One set of EST-1000 Hand-held Intelligent Toxic Gas Detector 2. One General 5V Power Adaptor 3. One Standard 3.7V Rechargeable Lithium Battery 4. One copy of EST-1000 Instructions for Use 5. One copy of Verification Certificate 6.
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