Fixed hydrogen cyanide alarm toxic gas detector

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Chicheng Electric's R&D and productionFixed hydrogen cyanide alarm toxic gas detectorApplied to 24-hour continuous online detection and alarm of hydrogen cyanide gas leakage in on-site workshops, enclosed workplaces, equipment surroundings, and other areas; It can detect the concentration of hydrogen cyanide gas, gas leaks, and high concentration single gas purity of various background gases such as nitrogen or oxygen in pipelines, confined spaces, and atmospheric environments. More than 500 types have been tested. The sturdy and durable explosion-proof shell is suitable for various hazardous locations and harsh industrial environments, and is widely used in industries such as petroleum, chemical, metallurgical, refining, gas transmission and distribution, and biomedicine.

HCN hydrogen cyanide alarm toxic gas detector*

Technical Specifications:

Gas detection: Hydrogen cyanide

Measurement range: 0-10, 30, 50, 100, 200, 500, 1000PPM optional

Resolution: 0.01PPM, 0.1PPM, 1PPM optional

Detection principle: Electrochemical detection principle

Detection accuracy: ≤± 3% (higher accuracy requirements depend on sensor performance)

Power supply: 24V DC power supply

Detection method: natural diffusion type

Display mode: digital tube display, optional without display

Communication methods: Multiple communication methods are available for selection, and real-time monitoring can be achieved through wired or wireless remote transmission, network transmission; Three wire system 4-20mA standard signal and standard bus RS485 (modbus RTU) output simultaneously; Optional frequency output of 200-1000Hz, Hart protocol signal, 1-5V output, two-wire 4-20mA, SMS alarm, wireless transmission (2-5 kilometers or unlimited distance); Compatible with secondary instruments, data acquisition modules, PLC, DCS systems, and capable of driving related equipment.
Detection principle:Adopting*The main detection principles of gas sensors include electrochemical, infrared, catalytic combustion, thermal conductivity, PID photoionization, etc

Passive contact: 1 set of switch signal output, with concentration alarm and control functions. When the gas concentration exceeds the set alarm value of the instrument, an alarm signal will be automatically output (optional)

Transmission methods: 3-4 core cable, fiber optic, GPRS wireless transmission, RTU wireless transmission (optional)

Data receiving methods: user computer, control, PLC, DCS, etc

Connection method: G1/2 (20 * 1.5MM and other interface options)

Cable specifications: model: Split line RVVP3 × 1.5mm2, bus RVVP4 × 1.5mm2

Signal transmission distance: ≥ 1000 meters

Detection method: diffusion type, pump suction type (optional)

Installation methods: wall mounted, pipe mounted (optional)

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

Structural material: die cast aluminum+sandblasted oxidation/fluorocarbon paint

Explosion proof mark: Ex d II CT6 Gb

Protection level: IP65

Working temperature: -20~50 ℃ (depending on specific requirements)

Working humidity: ≤ 90% RH, no condensation

Work pressure: 100Kpa ± 10%

Common gases and models appendix: