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Shenzhen Guoyu Technology Co., Ltd

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Non methane total hydrocarbon monitoring system

NegotiableUpdate on 02/04

Model

Nature of the Manufacturer: Producers

Product Category

Place of Origin

Online Consult

Overview

The non methane total hydrocarbon monitoring system adopts MCU chips, highlighting the low power consumption, safe and reliable performance, and stable data conversion signal output of the detector; 4-20mA、RS485、 Multiple signal outputs such as switch values, convenient for integration into industrial control systems such as PLC, DCS, DDC, etc

Product Details

Non methane total hydrocarbon monitoring systemProduct Features:

The use of customizable range intelligent sensors ensures the advantages of high sensitivity, high accuracy, linear stability, and fast response of the detector;

The use of MCU chips highlights the detector's low power consumption, safe and reliable performance, stable data conversion signal output, and more; 4-20mA、RS485、 Multiple signal outputs such as switch values are convenient for connecting to industrial control systems such as PLC, DCS, DDC, and can also be used to control equipment such as fans and solenoid valves through switch value linkage;

Support customized wireless signal transmission: Zigbee, LORA, 433M, 4G, WiFi, NB, GPRS, etc;

■ Dot matrix high-definition LCD TFT display screen, with Chinese and English operation interfaces that can be switched by oneself;

■ The detector can be operated through remote control without opening the cover, including functions such as alarm value, zero adjustment, calibration, reset, and address code modification;

Local integrated sound and light alarm indication, which can achieve remote alarm prompts for mobile phones, computers, monitoring rooms, third-party platforms, etc. through alarm control host or wireless signals. It can also be remotely controlled by infrared with one click silencing;

Aluminum alloy cast explosion-proof shell, sturdy and durable;

Through various certifications such as CMA, CNAS, CE, ROHS, SIL, UL, ECM safety, etc.

Explosion proof certificate, etc.: Ex db IIC T6 Gb;

Explosion proof certificate number: SYEx23.04100;

■ Protection, etc.: IP65

Non methane total hydrocarbon monitoring systemProduct Parameters:

Output signal:
① 4-20mA signal: standard 12 bit precision 4-20mA output chip, transmission distance of 1km

② RS485 signal: using standard MODBUS RTU protocol, transmission distance of 1km

③ Voltage signal: 0.4-2V, 0-5V, 0-10V output, optional (choose one of voltage output and current output)

④ Switching signal: Standard configuration includes 1 set of passive contact relays with a capacity of 220VAC 3A/24VDC 3A

⑤ Wireless signals such as GPRS, 4G, WIFI, LORA, ZigBee, etc

Receiving devices: user computer, control alarm, PLC, DCS, DDC, etc

Working mode: diffusion type

Detection media: EX, CO, H2S, O2, NH3, SO2, CO2, NOx, H2, H2O2, VOC

Detection principles: catalytic combustion, electrochemistry, infrared NDIR, PID photoionization

Detection range: 0-100% LEL、0-20PPM、0-100PPM、0-1000PPM、0-5000PPM、0-10000PPM、0-30%VOL、0-50%VOL、0-100%VOL（ Based on the principle of sensors)

Resolution: 0.001, 0.01, 0.1, 1 (depending on the range)

Detection error: ≤± 3% F.S (within the full range ≤ 3%)

Repeatability: ≤± 2%

Linear error: ≤± 2%

Response time (T90): ≤ 30 seconds

Working voltage: DC24V (12V~30V)

Working temperature: -20 ℃~50 ℃ (special requirements: (-40 ℃~+70 ℃)

Working humidity: 10-95% RH (non condensing)

Sensor lifespan: 2-3 years (depending on the usage environment)

Explosion proof form: The probe transmitter and sensor are both explosion-proof.

Connecting cables:
① Choose a three core shielded cable for 4-20mA and a four core cable for RS485. When the distance exceeds 1000 meters (with one detector), the single wire diameter should be ≥ 1.5mm, and the shielding layer should be grounded.

② Wireless transmission: It can be equipped with built-in LORA and Zigbee modules for short-range wireless transmission; Can be equipped with an external GPRS/4G module for remote data transmission to the cloud platform. History can be viewed on both the computer and mobile devices without distance limitations (optional)

Alarm methods: on-site sound and light alarm, external alarm, remote controller alarm, computer data acquisition software alarm, etc

Alarm settings: Standard configuration includes two alarms; Alarm modes can be set: regular high and low alarm, interval control alarm

Dimensions: 182 * 201 * 92 (L * W * H)

Electrical interface: default M20X1.5 internal thread, optional 3/4NPT, 1/2NPT

Measurement certificate: optional, customer pays for the cost

Attachment: One copy each of packaging box, instruction manual, certificate of conformity, and delivery note

Optional accessories: temperature and humidity measurement, 220V to 24V power adapter.

Computer monitoring accessories: free upper computer software, USB to RS485 conversion cable. If network transmission is required, an RS485 to Ethernet converter is also needed