Overview
The hydrogen arsenide detector is a GY/VGD-200-AsH3-G (0-1.000 ppm) model gas concentration detector produced by GUOYUGRA. It adopts MCU chip low-power Modular design, with intelligent Sensor detection technology, overall flameproof (d) structure, fixed Installation method. Standard configuration includes LCDTFT high definition LCD display, three-wire system 4~ 20mA analog, RS485 digital and switching signal output, supports customized products and Output signal fine-tuning, which is convenient for system networking and maintenance.
Features
1. Customizable Range Intelligent Sensor, High Sensitivity, High Accuracy, Linear Stability, Fast Response
2. MCU chip design, low power consumption, safe and reliable performance, accurate data conversion, stable signal output
3. Support 4-20mA, RS485, switch and other signal output, can be connected to PLC, DCS, DDC and other industrial control systems or linkage control equipment
4. Optional wireless signal transmission: Zigbee, LORA, 433M, 4G, WiFi, NB, GPRS, etc
5 point array high definition LCDTFT LCD screen, Chinese and English Operating interface can be switched
6. Remote control without opening the lid operation alarm value, zero adjustment, calibrate, reset, modify the address code and other functions
7. Local sound and light alarm, support remote alarm prompt and infrared remote control one-button muffler
8. Aluminum alloy cast explosion-proof shell, sturdy and durable
9. Passed CMA, CNAS, CE, ROHS, SIL, UL, ECM and other international certifications
10. Explosion-proof level Ex db IIC T6 Gb, explosion-proof certificate number SYEx23.04100
Principle
The hydrogen arsenide detector adopts the principle of catalytic combustion detection and detects gas concentration by diffusion Sampling method. The detector processes Sensor signals based on MCU chips to achieve High Accuracy Data Conversion and Stable Output.
Applications
Workplace environment Gas detection, explosive environment, flammability dust environment, Industrial Control system
Standards
GB/T3836.1-2021、GB/T3836.31-2021、GB3836.15-2000、GB12476.1-2013、GB12358-2006、GBZ2.1-2007、GB4208-2008
Steps
1. Install the detector to ensure that the electrical interface is connected correctly
2. Connect DC24V Power Supply
3. Set the alarm value, zero adjustment, calibrating and other parameters through the remote control or Operating interface
4. Monitor the gas concentration data displayed on the LCDTFT display
5. Connect Output signal to Control system or alarm device as needed
Notice
• Operating voltage range is DC12V~ 30V to ensure stable power supply
• Ambient Temperature -20~ 50 ℃, Humidity 10-95% RH (non-condensing)
Sensor life 2-3 years, depending on Operating Environment
• The connecting cable needs to choose the appropriate wire diameter, Shielding layer grounding
• The explosion-proof form is explosion-proof, and the installation and maintenance must meet the explosion-proof requirements
• Wireless transmission module is optional and needs to be configured according to requirements
• Alarm settings support two-level alarm, customizable Alarm mode
