Overview
GUOYUGRA GY/VGD-200-NO-G (0-500ppm) nitric oxide detector 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 system 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 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
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
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 nitric oxide gas by diffusion Sampling method. The detected gas concentration signal is processed by MCU chip and converted into 4-20mA, RS485, switching quantity and other Output signals to achieve accurate detection and transmission of gas concentration.
Applications
Workplace environment Gas detection, industrial process control, safety monitoring, environment monitoring
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 transmission distance exceeds 1000 meters, the single wire diameter is ≥ 1.5mm, and the Shielding layer is connected to the earth
• Explosion-proof form is Probe Transmitter and Sensor are flameproof
• Explosion-proof certificate level: Ex db IIC T6 Gb
• Explosion-proof certificate number: SYEx23.04100
