Overview
GUOYUGRA GY/VGD-200-Ex-G (0-5% LEL) Combustible Gas detector (IR) is a low-power Modular design using MCU chip, with intelligent Sensor detection technology, overall flameproof (d) structure, fixed Installation method detector. The standard configuration is LCDTFT high definition LCD display, three-wire 4~ 20mA analog, RS485 digital and switching signal output, customized products are provided according to user requests, and Output signal fine-tuning and other functions are also supported, which is convenient for system networking and maintenance.
Features
1. Customizable Range Intelligent Sensor, High Sensitivity, High Accuracy, Linear Stability, Fast Response
2. Using MCU chip, low power consumption, safe and reliable performance, accurate data conversion, stable signal output
3. Support 4-20mA, RS485, switch and other signal output, easy access to PLC, DCS, DDC and other industrial control systems
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 can be carried out by remote control without opening the lid
7. Local integrated sound and light alarm indication, support remote mobile phone, computer, monitoring room, third-party platform alarm prompt, infrared remote control one-click muffler
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 infrared NDIR detection and detects combustible gas by diffusion Sampling method. The detected gas concentration data is accurately processed and converted by the MCU chip, and a variety of standard signals are output.
Applications
Combustible Gas detection, Explosive environment monitoring, Workplace environment Gas detection, Electrical installation monitoring in hazardous places, Dust environment monitoring
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. Power Supply DC24V
3. Set the alarm value through the remote control
4. Zero and calibrate operations
5. Modify the address code as needed
6. Start the detector and start working
7. Monitor detection data through display screens or remote devices
Notice
• Operating voltage range DC12V~ 30V
• Ambient Temperature -20~ 50 ℃
• Environmental humidity of 10-95% RH (non-condensing)
• Sensor life is about 5 years, depending on the Operating Environment
• Explosion-proof form is Probe Transmitter and Sensor are flameproof
• 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 certificate level: Ex db IIC T6 Gb
• Explosion-proof certificate number: SYEx23.04100
