Fixed multi-gas detector HRP-T2000-G
This industrial-grade fixed gas monitoring equipment integrates multiple independent sensors and is designed for complex and high-risk scenarios where multiple gases coexist. It enables 24-hour synchronous and accurate monitoring, hierarchical early warning, and centralized management of 1-4 gases, reducing the deployment cost and maintenance difficulty of composite gas protection.
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The fixed multi-gas detector is an industrial-grade intelligent safety device integrating "multi-channel independent detection and a one-piece design." It supports flexible combination and customization, with sensor types selectable as needed: electrochemical/catalytic combustion/infrared. Its ppm-level high sensitivity allows for simultaneous detection of trace leaks of multiple gases, ensuring blind-spot-free monitoring. Equipped with a high-definition LCD color backlit display, it shows the concentration value, unit, alarm level, and device status of each gas in real-time, in separate columns. Supporting RS485 Modbus-RTU digital communication, it can seamlessly connect to gas alarm controllers, DCS systems, or cloud platforms, enabling centralized display, historical tracing, and control of multi-gas monitoring data. A single device can replace multiple single-gas devices, significantly reducing installation and wiring costs and space requirements.
1.One machine integrates four kinds of gas detection, without installing multiple devices, which greatly saves procurement cost and installation space.
2.LCD high-definition color screen displays four kinds of data on the same screen, and with color warning, the security status is clear at a glance.
3.Modular slot design supports flexible customization of gas combination, and sensors can be replaced and maintained independently.
4.The standard signal output is seamlessly connected to the control system, and the fan valve can be automatically linked to eliminate risks when alarming.
5.Industrial-grade explosion-proof and anti-corrosion shell, not afraid of harsh environment, to ensure long-term stable operation.
HRP-T2000-G Fixed Multi-Gas Detector
Intelligent Multi-Gas Monitoring Solution for Industrial Safety
HRP-T2000-G fixed multi-gas detector is an industrial gas safety monitoring equipment, which is specially designed for simultaneous detection and continuous on-line monitoring of multi-gases in dangerous environment. The equipment integrates multiple sensing modules, which can realize comprehensive gas safety monitoring, reduce installation cost and simplify system deployment while improving safety guarantee ability.
HRP-T2000-G can monitor combustible gas, oxygen, toxic and harmful gas and other special industrial gases at the same time, and is widely used in oil and gas, petrochemical industry, electric power, mining, sewage treatment and manufacturing industries.
What is a Fixed Multi-Gas Detector?
The fixed multi-gas detector is a kind of safety monitoring equipment permanently installed on the industrial site. By integrating multiple sensors, continuous on-line monitoring of various gases can be realized.
Compared with traditional single gas detection equipment, multi-gas monitoring system has the following advantages:
- Multiple gas risks can be monitored at the same time.
- Reduce installation and wiring costs
- Reduce the workload of later maintenance
- More rational use of installation space
- Improve overall security coverage.
- Simplify the system management process
HRP-T2000-G supports 24-hour continuous online operation and can be connected to industrial automation system to realize centralized management and remote monitoring.
Working Principle of HRP-T2000-G
According to different application requirements, HRP-T2000-G can integrate multiple independent sensing modules.
Supported Sensing Technologies Include:
- electrochemical sensor
- Catalytic combustion sensor
- Infrared (NDIR) sensor
- oxygen sensor
Each sensor runs independently and shares the same data processing and communication platform.
Detection Process
- Ambient air continuously enter that detection cavities of each sensor;
- Different gas molecules interact with corresponding sensors;
- The sensor converts the concentration change into an electrical signal;
- The built-in microprocessor processes the data of each detection channel respectively;
- Real-time concentration data is displayed on the LCD screen;
- Output data through 4-20mA, RS485 Modbus RTU or relay interface;
- When the concentration of any gas exceeds the alarm threshold, the equipment automatically starts the acousto-optic alarm and outputs the linkage control signal.
The whole monitoring process runs continuously online, providing all-weather safety guarantee for multi-gas risk industrial environment.
Product Features and Advantages
Simultaneous Detection of Multiple Gases
Integrated multi-sensor design can monitor multiple gases at the same time, such as:
- Combustible gas (LEL)
- Oxygen (o)
- Carbon monoxide (CO)
- Hydrogen sulfide (hs)
- Methane (ch)
- Hydrogen (h)
- Ammonia gas (NH)
- Chlorine gas (cl)
- Sulfur dioxide (so)
- VOC volatile organic compounds and other special industrial gases
One device can detect multiple gases, which improves the monitoring efficiency and reduces the number of devices.
High Definition LCD Liquid Crystal Display
Large LCD screen can display in real time:
- Multi-channel gas concentration data
- Alarm status
- Equipment operation state
- Communication status
- Fault information
Even in a complex industrial environment, the detection data can be clearly read.
Flexible Sensor Configuration Scheme
HRP-T2000-G supports free combination of gas types according to application requirements, such as:
- LEL + O₂ + CO + H₂S
- CH₄ + O₂ + H₂S + CO
- VOC + O₂ + CO
- H₂+O₂+toxic gas
- Other customized combination schemes
Meet the safety monitoring requirements of different industrial scenarios.
24-Hour Continuous Online Monitoring
Support all-weather uninterrupted operation, timely discover gas leakage and potential safety hazards, and improve the overall safety management level.
Quick Response Capability
The high-sensitivity sensor can quickly sense the change of gas concentration and give early warning before the danger forms.
Industrial Explosion-Proof Design
HRP-T2000-G adopts industrial explosion-proof structure design, which is suitable for:
- Oil and gas industry
- Chemical enterprise
- LNG station
- Tank area
- Industrial production workshop
- Energy facilities
Meet the requirements of long-term stable operation in dangerous areas.
Multiple Communication Interfaces
Support:
- 4-20mA analog output
- RS485 Modbus RTU communication
- Relay alarm output
Easy access:
- PLC system
- DCS system
- SCADA monitoring platform
- Industrial internet of things platform
Realize centralized monitoring and intelligent safety management.
Independent Multi-Level Alarm Function
Each gas detection channel supports independent alarm settings, including:
- Low alarm value setting
- High alarm value setting
- Acousto-optic alarm linkage
- Relay control output
Independent alarm management mechanism can improve the efficiency of on-site emergency response.
Long Life and Convenient Maintenance
Industrial-grade sensors are provided with:
- Long-term stable operation ability
- Lower maintenance frequency
- Lower use cost
- High system reliability
Modular structure design is also convenient for daily maintenance and sensor replacement.
Application Industry
Oil and Gas Industry
Applicable to:
- Oil and gas pipeline
- LNG receiving station
- Natural gas pressure regulating station
- Storage tank area
- marine drilling platform
Realize the synchronous safety monitoring of combustible gas, oxygen and toxic gas.
Petrochemical Industry
Widely used in:
- refinery
- Chemical production plant
- Process control area
- Loading and unloading area
- Hazardous chemicals storage area
Ensure the safe and stable operation of the production process.
Electric Energy Industry
Applicable to:
- Hydrogen cooling system
- Gas power station
- Energy storage project
- Auxiliary equipment of power plant
Realize the comprehensive monitoring of various safety risk gases.
Sewage Treatment and Environmental Protection Industry
Applicable to:
- Sewage treatment plant
- pumping station
- Biogas engineering
- refuse landfill
Common monitoring combinations include methane, hydrogen sulfide, oxygen and carbon monoxide.
Mining Industry
Applicable to:
- Underground mine
- ventilation system
- High-risk operation area
- Toxic gas monitoring point
Comprehensively improve the level of mine gas safety management.
Industrial Manufacturing Industry
Apply to:
- welding shop
- Metal processing workshop
- painting workshop
- Chemical production line
Reduce the safety risks caused by various industrial gases.
Why Choose HRP-T2000-G?
Compared with the traditional single gas detection system, HRP-T2000-G has the following advantages:
- Multi-gas synchronous detection
- Lower installation and maintenance costs
- High definition LCD liquid crystal display
- Flexible sensor combination scheme
- Support multiple communication interfaces
- Independent alarm function design
- Industrial explosion-proof structure
- Easy access to automatic control system
- Long life and high reliability
HRP-T2000-G can provide a more efficient, intelligent and economical solution for industrial scenes requiring multi-gas comprehensive safety monitoring.
Product Value
HRP-T2000-G fixed multi-gas detector integrates the functions of multi-gas detection, real-time display, alarm linkage and communication. By reducing the number of equipment and expanding the monitoring coverage, it helps enterprises to improve safety management efficiency, reduce operating costs and reduce accident risks.
Whether in energy facilities, process industries, environmental protection projects or high-risk working environments, HRP-T2000-G can provide stable, reliable, intelligent and efficient multi-gas monitoring capability, which is an important part of modern industrial safety management system.
Single Gas Detec
- Detectable Gas Quantity: 1-4 gases
- Detected Gas Types: Combustible gas, toxic gas, O₂
- Detection Mode: Diffusion Type
- Measuring Range: PPM, %LEL, %VOL, mg/m³
- Measurement Accuracy: ±3% FS
- Response Time: Combustible gases < 30s (T90), Toxic gases < 60s
- Alarm Method: Audible and Visual Alarm, Status Indicator, Relay Output Signal
- Power Supply: DC 24V
- Output Signal: RS485
- Operating Temperature: -20℃ ~ +55℃
- Relative Humidity: ≤ 95% (no condensation)
- Explosion-Proof Rating: ll 2G Ex db lIC T6 Gb
- Ingress Protection: IP66
- Enclosure Material: Die-Cast Aluminum
- Dimensions: 195 × 185 × 95 mm
- Product Weight: ＜1000g
- Connection Thread: M20 × 1.5 or G1/2
- Mounting Method: Wall-Mounted
LED Display Screen(Optional, not required):
This gas concentration monitoring display screen features a dual-color display and connects to the host computer via RS485 protocol. It is primarily used to display real-time concentration data for various gases. The font colors differ between alarm and normal states. Normal state text is blue, while alarm state text is red.
Mounting Bracket(Optional selection):
High-strength metal mounting brackets are specifically designed for mounting gas monitors and actuators, and are typically used for wall-mounted installations.
Calibration Hood(Optional selection):
This is a standard calibration cover specially designed for HIREP series fixed gas detectors, which is used for fast and accurate gas concentration calibration and sensor testing on the equipment site. It has simple structure and good sealing performance, which ensures that the gas can evenly cover the sensor probe during calibration and avoid external interference.
Sampling Tube(Optional):
The sampling tube is made of polytetrafluoroethylene (PTFE), which is resistant to high temperatures and corrosion. It is usually used in conjunction with an external pump to safely and stably deliver the gas to be tested in the environment to the sensor analysis unit. It is suitable for remote sampling, detection in confined spaces, or gas monitoring under complex working conditions.
Explosion-Proof Cable Gland(Optional):
Used for the safe wiring connection of fixed gas detector, alarm host or electrical equipment in explosive environment. Its structure conforms to international explosion-proof standards, ensuring reliable sealing and electrical isolation in flammable and explosive gas environment and preventing accidents caused by sparks or high temperature.
Rain cover(Optional):
Prevents rainwater, dew, and spray water from entering the detector housing, circuitry, and sensor cavity, preventing short circuits due to moisture on the circuit board, reducing rainwater corrosion, and minimizing aging damage to the detector housing and probe caused by ultraviolet radiation. Significantly improves equipment durability, especially suitable for outdoor, open-air, and factory outdoor installation scenarios.
| Name | Chemical Formula | Lower Explosive Limit(Volume Fraction)in Air%VOL|Lower Limit | Serial No | Name | Chemical Formula | Lower Explosive Limit(Volume Fraction)in Air%VOL|Lower Limit | |
| 1 | Ethane | C₂H₆ | 3.0 | 49 | Cyclohexane | CH₂ (CH₂)₄CH₂ | 1.2 |
| 2 | Ethanol | C₂H₅OH | 3.4 | 50 | Cyclohexanol | CH₂ (CH₂)₃CHOHCH₂ | 1.2 |
| 3 | Ethylene | C₂H₄ | 2.8 | 51 | Cyclohexanone | CH₂ (CH₂)₃COCH₂ | 2.8 |
| 4 | Hydrogen | H₂ | 4.0 | 52 | Cyclopropane | CH₂CH₂CH₂ | 2.4 |
| 5 | Methane | CH₄ | 5.0 | 53 | Decane | C₁₀H₁8 | 0.7 |
| 6 | Methanol | CH₃OH | 5.5 | 54 | Cyclohexene | CH₂ (CH₂)₃CHCHCH₂ | 1.2 |
| 7 | Acetylene | C₂H₂ | 2.5 | 55 | Diacetone Alcohol | (CH₃)₂COHCH₂COCH₃ | 1.8 |
| 8 | Propanol | C₃H₇OH | 2.5 | 56 | Di-n-butyl Ether | C₄H₉OC₄H₉ | 0.9 |
| 9 | Propane | C₃H₈ | 2.2 | 57 | Dichlorobenzene | (C₆H₄)Cl₂ | 2.2 |
| 10 | Propylene | C₃H₆ | 2.4 | 58 | Diethylamine | (C₂H₅)₂NH | 1.7 |
| 11 | Toluene | C₆H₅CH₃ | 1.2 | 59 | Dimethylamine | (CH₃)₂NH | 2.8 |
| 12 | Xylene | C₆H₄ (CH₃)₂ | 1.0 | 60 | Dimethylaniline | (CH₃)₂C₆H₃NH₂ | 1.2 |
| 13 | Dichloromethane | C₂H₄Cl₂ | 5.6 | 61 | Dicyclohexylamine | (CH₂)₄O₂ | 1.9 |
| 14 | Dichloroethylene | C₂H₂Cl₂ | 6.5 | 62 | Ethylene Oxide | OCH₂CH₂CH₂ | 1.9 |
| 15 | Dichloropropane | C₃H₆Cl₂ | 3.4 | 63 | Diethyl Ether | C₂H₅OC₂H₅ | 1.8 |
| 16 | Diethyl Ether | C₂H₅OC₂H₅ | 1.7 | 64 | Ethyl Acetate | CH₃COOC₂H₅ | 2.1 |
| 17 | Dimethyl Ether | CH₃OCH₃ | 3.0 | 65 | Ethyl Acrylate | CH₂CHCO₂C₂H₅ | 1.7 |
| 18 | Formaldehyde | CH₂OCH | 4.0 | 66 | Styrene | C₆H₅C₂H₃ | 1.0 |
| 19 | Acetic Acid | CH₃COOH | 4.0 | 67 | Ethylene Oxide | CH₂CH₂O | 2.6 |
| 20 | Acetone | CH₃COCH₃ | 2.3 | 68 | Ethanethiol | C₂H₅SH | 2.3 |
| 21 | Acetyl Chloride | (CH₃CO)₂CH₂ | 1.7 | 69 | Ethyl Mercaptan | C₂H₅SCH₃ | 2.0 |
| 22 | Chloroform | CH₃COCl | 5.0 | 70 | Methyl Ethyl Ketone | C₃H₇COCH₃ | 1.8 |
| 23 | Acrylonitrile | CH₂CHCN | 2.8 | 71 | Ethylamine | C₂H₅NH₂ | 3.5 |
| 24 | Allyl Chloride | CH₂CHCH₂Cl | 3.2 | 72 | Gasoline | — | 0.9 |
| 25 | Methylacetylene | CH₃CCH | 1.7 | 73 | Kerosene | — | 0.7 |
| 26 | Amyl Acetate | CH₃CO₂C₅H₁1 | 1.0 | 74 | Turpentine | — | 1.8 |
| 27 | Aniline | C₆H₅NH₂ | 1.2 | 75 | Nitrobenzene | C₆H₅NO₂ | 1.8 |
| 28 | Benzene | C₆H₆ | 1.2 | 76 | Nitromethane | CH₃NO₂ | 7.1 |
| 29 | Benzaldehyde | C₆H₅CHO | 1.4 | 77 | Phenol | C₆H₅OH | 1.3 |
| 30 | Benzyl Chloride | C₆H₅CH₂Cl | 1.1 | 78 | Phenylacetylene | C₆H₅C₂H | 1.1 |
| 31 | Bromobenzene | C₆H₅CH₂Br | 2.5 | 79 | Ethylbenzene | C₆H₄C₂H₅ | 1.0 |
| 32 | Bromoethane | CH₃CH₂Br | 6.7 | 80 | Methyl Formate | HCOOC₂H₅ | 2.7 |
| 33 | Butadiene | CH₂CHCHCH₂ | 2.0 | 81 | p-Dioxane | C₄H₈O₂ | 2.0 |
| 34 | Butane | C₄H₁0 | 1.9 | 82 | Isobutane | i-C₄H₁0 | 1.8 |
| 35 | Butanol | C₄H₉OH | 1.8 | 83 | Naphthalene | C₁₀H₈ | 1.9 |
| 36 | Butylene | C₄H₈ | 1.6 | 84 | Nonane | CH₃ (CH₂)₇CH₃ | 0.7 |
| 37 | Butyraldehyde | C₃H₇CHO | 1.4 | 85 | Nonanol | CH₃ (CH₂)₇CH₂OH | 0.8 |
| 38 | Butyl Butyrate | C₃H₇COOC₄H₉ | 1.2 | 86 | Valeraldehyde | C₆H₁₀0 | 1.2 |
| 39 | Butyl Methyl Ketone | C₄H₉COCH₃ | 1.2 | 87 | Pentane | C₅H₁2 | 1.4 |
| 40 | Carbon Disulfide | CS₂ | 1.0 | 88 | Pentanol | C₅H₁₁OH | 1.2 |
| 41 | Chlorobenzene | C₆H₅Cl | 1.3 | 89 | Propylamine | C₃H₇NH₂ | 2.0 |
| 42 | Chlorobutane | C₄H₉CH₂Cl | 1.8 | 90 | Propyl Methyl Ketone | C₄H₉COCH₃ | 1.5 |
| 43 | Chloroethane | CH₃CH₂Cl | 3.8 | 91 | Pyridine | C₅H₅N | 1.7 |
| 44 | Chloroethylene | CH₂CHCl | 3.8 | 92 | Tetrahydrofuran | C₄H₈O | 2.0 |
| 45 | Chloromethane | CH₃Cl | 8.1 | 93 | Tetrahydrofurfuryl | C₅H₁₀O₂ | 1.5 |
| 46 | 2-Chloropropane | CH₃CHCICH₃ | 2.6 | 94 | Triethylamine | (C₂H₅)₃N | 1.2 |
| 47 | Cresol | C₆H₄OH | 1.1 | 95 | Trimethylamine | (CH₃)₃N | 2.0 |
| 48 | Cyclobutane | CH₂CH₂CH₂CH₂ | 1.8 | 96 | Trioxane | (CH₂O)₃ | 3.0 |
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