Overview
Hydrogen cyanide detector GY/VGD-200-HCN-G (0-10ppm) is a low-power Modular design using MCU chip, with intelligent Sensor detection technology, overall flameproof (d) structure, fixed Installation method detector. Standard configuration is LCDTFT high definition LCD display, three-wire 4~ 20mA analog, RS485 digital and switching signal output, provide customized products according to user requests, and also support Output signal fine-tuning and other functions, convenient system networking and maintenance.
Features
1. Customizable Range Intelligent Sensor is adopted to ensure the advantages of high Sensitivity, high accuracy, linear stability and fast Response of the detector
2. The MCU chip is used, which highlights the characteristics of low power consumption, safe and reliable performance, accurate data conversion, and stable signal output of the detector
3.4-20mA, RS485, switch and other signal output, easy access to PLC, DCS, DDC and other industrial control systems, can also be a single machine through the switch linkage fan, solenoid valve and other control equipment
4. Support customized 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. The alarm value, zero adjustment, calibrate, reset, modify the address code and other function menu operations of the detector can be performed by remote control without opening the lid
7. Local integrated sound and light alarm indication, remote mobile phones, computers, monitoring rooms, third-party platforms and other alarm prompts can be realized through alarm control host or wireless signal, and infrared remote control can also be silenced with one click
8. Aluminum alloy cast explosion-proof shell, sturdy and durable
9. Passed a variety of CMA, CNAS, CE, ROHS, SIL, UL, ECM safety and other international certifications
Principle
The detector adopts the principle of catalytic combustion detection, and detects hydrogen cyanide gas by diffusion Sampling method, and converts the detected gas concentration signal into electrical signal output.
Applications
Industrial environment monitoring, Gas detection in hazardous places, Workplace safety monitoring, Chemical production, Gas leakage detection
Standards
GB/T3836.1-2021、GB/T3836.31-2021、GB3836.15-2000、GB12476.1-2013、GB12358-2006、GBZ2.1-2007、GB4208-2008
Steps
1. Set the alarm value of the detector by remote control without opening the lid
2. Zero the detector by remote control without opening the lid
3. The detector is calibrated by remote control without opening the lid
4. Reset the detector by remote control without opening the lid
5. Modify the address code through the remote control free lid
Notice
• Operating voltage range DC12V~ 30V
• Ambient Temperature -20~ 50 ℃
• Environmental humidity of 10-95% RH (non-condensing)
• Sensor life is 2~ 3 years (depending on the environment used)
• Connecting cable selection: 4~ 20mA choose three-core Shielding cable, RS485 choose four-core, when the distance exceeds 1000 meters, the single wire diameter is ≥ 1.5mm, and the Shielding layer is connected to the earth
Explosion-proof form: Probe Transmitters and Sensors are flameproof
• Electrical interface default M20X1.5 internal thread, optional 3/4NPT, 1/2NPT
