• Gas detection: hydrogen concentration
• Detection principle: Electrochemical principle/catalytic combustion optionalInstallation methods: wall mounted, pipe mounted (thread size: M40X1.5mm), flow-through, pump suction optional• Measurement range: 0-100 ppm、500ppm、1000ppm、2000ppm、4000ppm、10000ppm、20000ppm、40000ppm，0-100%LEL ,0-4%VOL optionalResolution: 0.01ppm; 0.01ppm； 0.1ppm； 1ppmAccuracy: ≤± 3% (actual concentration, higher accuracy depends on the specific sensor)• Repeatability: ≤± 1%• Zero drift: ≤± 1% (F.S/year)Response time: ≤ 20 seconds (T90)• Recovery time: ≤ 20 seconds• Output signal: Users can choose according to their actual requirements,Hydrogen concentration detectorCan transmit up to 2000 meters (single core 1mm ² shielded cable)1. Three wire 4-20mA current signal output (two-wire system can be specially customized)2. RS-485 digital signal output, national standard Modbus signal output (optional)3. Dual relay signal output, one set of active DC24V output and one set of passive signal output4. Alarm signal output: on-site sound and light alarm, alarm sound:<90 decibels (optional)• Connection method: 3/4 "NPT internal threadShell material: die cast aluminum, explosion-proof, corrosion-resistant, and oxidation resistantExplosion proof mark: ExdII CT6, Explosion proof certificate number: CNEx12.2576• Protection level: IP65• Working power supply: 24VDC (12-24VDC)• Working temperature: -40~70 ℃ (customized according to special requirements)• Working humidity: ≤ 95% RH, no condensation (humidity>90% RH, can be equipped with a filter)Work pressure: ≤ 200Kpa• Size: 183 × 143 × 107mm• Weight: 1.5Kg
This hydrogen concentration detector is mainly a fixed online installation, which can achieve continuous 24-hour operation monitoring, forming linkage, remote control and other characteristics,
It is suitable for continuous online detection of hydrogen concentration in various industrial and special environments. The instrument adopts imported electrochemical sensors and microcontroller technology, which has the advantages of stable signal, high accuracy, and good repeatability. The explosion-proof wiring method is suitable for various hazardous areas. The instrument is compatible with various control alarms, PLCs, DCS and other control systems, and can achieve remote monitoring, remote control, remote alarm, computer data storage, analysis and other functions. It is widely used in petrochemical, industrial production, flue gas and exhaust environment monitoring, sewage treatment, biopharmaceuticals, home environmental protection, school laboratories and other fields.
Imported high-performance electrochemical hydrogen gas sensor with excellent anti-interference performance and a service life of over 3 yearsThe instrument has functions such as 4-20mA/RS485 signal output (national standard Modbus signal output (RS485 interface), relay output, data recovery, data storage (optional), etc. It can be equipped with software, connected to a computer, automatically generates curve graphs, views historical data, and the storage time interval can be set by oneselfOn site backlit large screen multi parameter LCD display, visually displaying gas concentration, type, unit, working status, etc● Independent chamber, no need for on-site calibration when replacing sensors, automatic identification of sensor key numbers● Full range temperature digital automatic tracking compensation to ensure measurement accuracy● Full software calibration function, users can also calibrate by themselves, achieved with 4 buttons, simple operation, graphic dot matrix pure Chinese operation menu LCD interface.● Level 2 alarm setting, dual relay signal output: one set of active DC24V output, one set of passive signal output● Anti misoperation function: One click factory reset to prevent accidental modification of parameters, especially faults caused by incorrect calibrationThe hydrogen concentration detector can be equipped with an infrared remote control, and there is no need to open the cover to set parameters in explosion-proof places. The instrument and infrared remote control can receive up to 8 meters, making operation safe and reliable
● Optional industrial remote control host for multi-dimensional monitoring.
The optional supporting GPRS module is for remote management, remote monitoring, and wireless data transmission, suitable for use in sites where installation and wiring are difficult.
Optional configuration to the SMS phone function module, in case of any danger, you can immediately make a phone call or send a text message to remind security management personnel. Try monitoring hydrogen gas online to understand the situation of dangerous situations.
Optional accessory, air pre processor, suitable for installation in specific exhaust and flue gas pipelines with high air humidity and temperature. The gas can be pre treated and connected to a hydrogen gas concentration detector to achieve gas treatment in harsh environments and management of harmful gas concentration monitoring. Extend the service life of instruments and meet their monitoring needs.
Hydrogen concentration detectors are used in the following fieldsHas a wide range of applications:
*Gas, petrochemicals, metallurgy.
*Environmental protection and fire safety testing.*Dangerous chemical gas detection.*Municipal, school, hospital, and factory environmental testing.
