Wireless natural gas alarm

Wireless natural gas alarm: explosion-proof grade Exd Ⅱ CT6; High precision and long-life imported electrochemical sulfur dioxide sensor; Automatic tracking of zero point, full range, and temperature compensation; Automatic protection function against high concentration gas impact; Full software calibration function, users can also calibrate themselves with 3 buttons, easy to operate; Three wire system with 4-20mA output; Two cable entry ports for easy on-site installation; Independent chamber structure, convenient sensor replacement

　　Wireless natural gas alarm

Gas detection: natural gas

Detection principle: catalytic combustion, thermal conductivity principle, infrared optional

Detection methods: fixed, online detection, diffusion measurement, pump suction, flow type optional

Measurement range: 0-100% LEL, 5% Vol, 20% Vol, 50% Vol, 100% Vol

Resolution: 0.1% LEL or 0.1% Vol

Accuracy: ± 3% FS

Repeatability: ± 1.0%

Linear error: ± 2.0%

Zero drift: ± 2.0% FS/year

Span drift: ≤ ± 3.0% FS/year

Display mode: LCD display (optional)

Response time: ≤ 30 seconds

Recovery time: ≤ 60 seconds

Explosion proof mark: Exia Ⅱ CT6 Ga

A. Suitable for Zone 0, Zone 1, Zone 2, locations containing explosive gas mixtures of Class IIA-IIC and T1-T6;

B. The product has passed the inspection of the National Explosion proof Electrical Product Quality Inspection Center and obtained the Explosion proof Certificate of Conformity;

Explosion proof connection thread: 3/4'NPT

Output signal: Users can choose according to their actual requirements. It can transmit up to 2000 meters (single core 1mm ² shielded cable) and supports wireless transmission without wiring

Three wire system 4-20mA current signal output, relay output, alarm output

RS-485 digital signal output, combined with signal transmitter and receiver for long-distance wireless transmission

2 sets of relay outputs: passive electric shock capacity 220VAC 3A, 24VDC 3A (optional)

Related accessories: 1 set of data acquisition hose, 1 signal transmitter and 1 receiver each

Supports RS485 serial port output and direct communication with computers for synchronous monitoring

Working temperature:- 20℃～+70℃

Relative humidity: 10% to 95% RH (non condensing)

Power supply: 24VDC ± 5VDC

Weight: Approximately 1.5Kg