Overview
Acetone detector GY/VGD-200-MDK-G (0-100ppm) 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, 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. Adopt Customizable Range Intelligent Sensor, which guarantees the advantages of high Sensitivity, high accuracy, linear stability and fast Response of the detector;
2. The use of MCU chip highlights the low power consumption of the detector, safe and reliable performance, accurate data conversion, stable signal output, etc.;
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 detector can be operated by remote control without opening the lid to perform function menu operations such as alarm value, zero adjustment, calibrating, reset, and modification of the address code;
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 body explosion-proof shell, sturdy and durable;
9. Passed a variety of CMA, CNAS, CE, ROHS, SIL, UL, ECM safety and other international certifications;
10. Explosion-proof certificate grade: Ex db IIC T6 Gb; explosion-proof certificate number: SYEx23.04100.
Principle
The detector adopts the principle of catalytic combustion detection, and detects the gas through the diffusion Sampling method. The Sensor converts the gas concentration into an electrical signal, and the MCU chip processes and outputs the standard signal.
Applications
Workplace environment Gas detection, explosive environment monitoring, flammability dust environment monitoring, industrial process control, safety alarm 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 the power supply, Operating voltage is DC24V (12V~ 30V);
3. Set the alarm value, zero adjustment, calibrating and other parameters through the remote control or Operating interface;
4. Start the detector and monitor the gas concentration;
5. Output signal access to PLC, DCS and other systems or linkage control equipment;
6. Regularly maintain and calibrate Sensors.
Notice
• Operating ambient temperature range is -20~ 50 ℃, Humidity is 10-95% RH (no condensation);
• Sensor life is 2 to 3 years, depending on the Operating Environment;
• When connecting the cable, choose three-core Shielding cable for 4~ 20mA, four-core for RS485, and 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 Transmitter and Sensor are flameproof;
• Optional Accessories such as Power Adapter, computer monitoring accessories, at the user's own expense;
• Alarm settings support conventional high and low alarms and interval control alarms;
• Wireless transmission is optional and is not limited by distance.
