Fixed multi-gas detector HRP-T2000-H

The fixed 4-in-1 gas detector is a multi-gas continuous online monitoring device that can simultaneously detect four common hazardous gases (such as combustible gases, toxic gases, and oxygen) and display and output the detection data in real time. The device uses high-performance gas sensors, featuring high stability, fast response speed, and long-term reliable operation, making it suitable for 24-hour uninterrupted monitoring in industrial environments.

High precision
Global Shipping
Customized
24*7 support
OEM/ODM

Inquiry Now Send Email

Features
Parameters
Accessories
Gases and Ranges

The fixed 4-in-1 gas detector supports multiple signal output methods (such as 4–20mA, RS485, relays, etc.), and can be easily connected to gas alarm controllers, PLCs, or DCS systems to achieve centralized monitoring and system linkage, making it an important component of industrial safety monitoring systems.

This device is typically installed in fixed locations such as production workshops, equipment rooms, pipe racks, and tank areas. Through audible and visual alarms, signal outputs, or linkage control systems, it issues an alarm and triggers safety measures immediately when gas concentrations exceed limits, effectively preventing gas leaks, explosions, and poisoning accidents.

1.Say goodbye to the complicated wiring project completely, and there is no need to punch holes through the wall, which directly saves the high construction cost and long construction period.
2.Perfect solution to the problem of difficulty in getting electricity in high altitude, narrow or corrosive areas, built-in large-capacity battery can run independently for a long time.
3.The equipment can be disassembled and moved to a new site or a temporary monitoring point at any time, which greatly improves the asset utilization rate.
4.Completely put an end to the hidden trouble caused by aging, short circuit or poor contact of the line, and save worry and effort in later maintenance.
5.Real-time data is wirelessly uploaded to the cloud, and the mobile APP is remotely monitored to grasp the safety status of dust and gas at any time and place.

HRP-T2000-H Fixed Multi-Gas Detector

Intelligent Integrated Multi-Gas Monitoring Solution for Industrial Safety

HRP-T2000-H fixed multi-gas detector is an industrial gas safety monitoring equipment, which is specially designed for continuous on-line detection of multi-gas in dangerous environment. The equipment integrates multiple independent sensing modules, which can monitor combustible gas, oxygen, toxic and harmful gas and other industrial special gases at the same time, improve the safety guarantee ability, reduce the installation cost and simplify the system deployment.

HRP-T2000-H is widely used in oil and gas, petrochemical industry, electric power, mining, environmental sewage treatment and manufacturing industry, and other industrial scenes with multiple gas risks.

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 the overall safety coverage
Simplify the system management process

HRP-T2000-H 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-H

According to different application requirements, HRP-T2000-H 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 a unified data processing and communication platform.

Detection Process

The whole monitoring process includes:

Ambient air continuously enter that detection cavities of each sensor;
Different gas molecules react 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 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

Multi-Gas Synchronous Detection

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, improve the monitoring efficiency and reduce the number of devices.

High Definition LCD LCD Screen

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 Combination Scheme

HRP-T2000-H 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 an early warning before the danger forms.

Industrial Explosion-Proof Design

HRP-T2000-H adopts industrial explosion-proof structure design, which is suitable for:

Oil and gas industry
Chemical enterprise
LNG station
Storage 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
Higher 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.

Environmental Protection and Sewage Treatment 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

Applicable to:

welding shop
Metal processing workshop
painting workshop
Chemical production line

Reduce the safety risks caused by various industrial gases.

Why Choose HRP-T2000-H?

Compared with the traditional single gas detection system, HRP-T2000-H 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-H can provide a more efficient, intelligent and economical solution for industrial scenes that need multi-gas comprehensive safety monitoring.

Product Value

HRP-T2000-H fixed multi-gas detector integrates the functions of multi-gas detection, real-time display, alarm linkage and communication, and helps enterprises to improve safety management efficiency, reduce operating costs and reduce accident risks by reducing the number of equipment and expanding monitoring coverage.

Whether in energy facilities, process industries, environmental protection projects or high-risk working environments, HRP-T2000-H 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

Fixed-multi-gas-detector-HRP-T2000-H-frontage

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
	Name	Chemical Formula		Serial No	Name	Chemical Formula
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

Send Message

Just drop us a line, call, or fill out the form. Our team will provide you with transparent pricing, detailed technical data sheets，very feasible solution, and genuine after-sales support—no hidden costs, no empty promises.

Hot Products

Fixed LCD Toxic gas detector HRP-T2000-C

The HRP-T2000-C is equipped with a high-definition segment/dot matrix LCD backlit display, supporting real-time display of gas concentration values, units, device operating status, alarm levels, and remaining sensor lifespan.

Fixed LCD Toxic gas detector HRP-T2000-C

Stand-alone LCD Gas Detector HRP-T2000-D

The HRP-T2000-D stand-alone LCD gas detector is a plug-and-play safety monitoring device that integrates detection, high-definition LCD display, and independent alarm functions.

Stand-alone LCD Gas Detector HRP-T2000-D

The HRP-T2000-D stand-alone LCD gas detector is a plug-and-play safety monitoring device that integrates detection, high-definition LCD display, and independent alarm functions.

Fixed Dual-Gas Detector HRP-T2000-F

The fixed dual-gas detector is an industrial-grade safety monitoring device that integrates "independent detection by dual sensors and an integrated body design". It is tailored for high-risk industries where multiple gases coexist.

Fixed Dual-Gas Detector HRP-T2000-F

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.

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.