The GTYQ-SD2100E/GO-SD2100E series point-type
Gas Detectors (hereinafter referred to as detectors) are intelligent bus and trunk-line products. When combined with the corresponding controller, they form a gas alarm detection system to conduct real-time detection of target gases that may exist in the working environment and display the real-time gas concentration on-site. When the concentration exceeds the limit, The controller issues audible and visual alarm signals.
Product technical indicators
● Detected gases: Methane/propane/Other gases
● Detection principle: Catalytic combustion type/infrared type/electrochemical type/semiconductor type /PID
● Sampling method: Diffusion type
● Measurement range: (3 to 100)%LEL or others
● Alarm setting values (default for flammable gases): low limit 25%LEL, high limit 50%LEL. For other gases, please refer to the nameplate.
● Alarm error: ±3% F·S
● Response time (T90): For flammable gas, ≤30 seconds
● Ammonia removal, ammonia content < 60 seconds
● Power consumption: ≤3W(DC24V)
● Protection grade: IP66
● Explosion-proof grade: ExdⅡCT6Gb
● Communication methods: S-BUS bus &4-20mA branch line system
● Linked output: Passive always-on (default
● Sensor service life: Three years (typical catalytic value)
● Storage environment: Temperature 0℃ to +35℃, relative humidity 25%RH to 70%RH
● Operating environment: Rated operating temperature +15℃ to +35℃, withstanding operating temperature -40℃ to +70℃(toxic gas -20℃ to +55°C), relative humidity ≤93%RH, ambient atmospheric pressure 86kPa to 106kPa
● Explosion-proof cable entry interface: The outer diameter of the conductor is 9-10mm
● Threaded interface size: NPT3/4
● Product weight: Approximately 880g
● Product dimensions: 156.5mmx150.5mmx76.5mm
Product Features
● It is compatible with bus systems and 4-20mA distribution systems, facilitating system design and expansion.
● The sensor module is replaceable, reducing the cost of use and maintenance.
● Controlled by an infrared remote control, on-site operation does not require opening the cover.
● The digital tube display shows the gas concentration and equipment status in real time.
● The double-exit structure facilitates on-site construction.
● It is equipped with an internal temperature detection function to ensure accurate and effective detection of the product in various temperature environments.
Product Installation and Wiring Instructions
The 2100E product can be installed in four ways - horizontal pipe, vertical pipe, ceiling or wall-mounted - according to the environmental conditions of the usage site, adapting to different scenarios.
Product Usage
Wiring
Connect the wires correctly according to the requirements of the detector's terminal blocks. Confirm that the connections are correct and good, the grounding is good, and there are no short circuits or open circuits.
Power on the detector
After the detector wiring is completed, perform a power-on self-check, and the indicator light will flash in a cycle for 60 seconds.
Countdown to startup
After the detector completes the power-on self-check, it enters the power-on countdown page, which displays the power-on countdown time (the power-on countdown time is 60 seconds).
Key operation
① Press the "Zero Calibration" key: Enter the detector zero calibration page.
② Press the "Calibration" key: Enter the detector calibration page.
③ Press "To the right": Enter the calibration detector 20mA
④ Press the "Left" key: Enter the 4mA calibration detector page.
⑤ Press the "Address" key: Enter the page for setting the communication address.
⑥ Press the "Function" key: Calibrate the detector for any gas concentration.
When setting up each function:
"Left" key: Switch the displayed content or switch the Settings to the left.
"Right" key: Switch the display content or switch the Settings to the right.
"Up" key: Add 1 to the set bit value.
"Down" key: Set the bit value to decrease by 1.
Detector Zeroing
Before zeroing, it should be ensured that the detector is operating in clean air.
Step 1: Press the "Lock/Mute" button twice in a row on the normal monitoring page. The page will display the "UNLK" key to unlock the remote control.
Step 2: Press the "Zero Calibration" key to enter the detector zero calibration page. The normal indicator light and the fault indicator light will flash (1Hz).
Step 3: Press the "OK" key to perform the detector zero calibration operation and return to the normal monitoring page.
Detector Calibration
Step 1: Press the "Lock/Mute" key twice in a row on the normal monitoring page. The page will display "UNLK" to unlock the remote control.
Step 2: Press the "Calibration" key to enter the detector calibration page. The normal and fault indicator lights will flash (1Hz), showing the current calibration concentration. (If the concentration of the standard gas used does not match the display, press the "Set" key to set the calibration concentration.)
Step 3: Press the "Left" key to display the detection voltage value.
Step 4: Use a standard gas with air as the base gas, pass it through the calibration hood at a flow rate of 0.3 to 0.5L/min for 60 seconds. After the detection voltage value is displayed stably, press the "Confirm" button to perform the detector calibration operation and return to the normal monitoring page.
Replace The Sensor Module
Unscrew the explosion-proof end cover of the sensor counterclockwise.
② Pull out the faulty sensor module.
③ Insert the normal sensor module.
After the detector is functioning normally, you can screw on the explosion-proof end cover of the sensor clockwise again.
Note: To ensure the accuracy of the detector's detection, after replacing the sensor module, the detector should be calibrated at zero point once, and the concentration should be calibrated using standard gas.
Precautions
(1) Do not use lighters or other high-concentration pure gases to inflate the sensor, as this may cause deviations in the concentration detection values of the equipment over a period of time.
(2) Falling from a height, strong impact or direct flushing of the sensor with a high-pressure water gun may cause damage to the sensor.
(3) If the equipment has been in production or use for more than 12 months, it should be re-powered and aged for more than 72 hours in a clean air environment, and then recalibrated/calibrated before testing or verification operations can be carried out.