Fixed Toxic Gas Detector-HRP-T1000-B

The HRP-T1000-B is a continuous online monitoring device installed in industrial sites to detect changes in the concentration of toxic and harmful gases in the environment in real time. When the concentration of the measured gas reaches a preset alarm threshold, the device immediately issues an audible and visual alarm and outputs a signal to the upper-level system, providing reliable protection for personnel and preventing accidents. This device typically uses electrochemical sensors (infrared, PID, etc. are optional for some gases), featuring high sensitivity, fast response, and good stability, and is widely used in industrial and public places with a risk of poisoning.

The alarm threshold of toxic gas detectors is usually related to the occupational exposure limit (OEL).

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

Inquiry Now Send Email

Features
Parameters
Accessories
Gases and Ranges

HRP-T1000-B fixed toxic gas detectors are core safety monitoring devices for 24/7 uninterrupted monitoring of toxic gas leaks in industrial sites. Specifically designed for high-risk industries such as chemical, mining, metallurgy, and electroplating, they accurately address key safety concerns such as personnel poisoning, equipment corrosion, and production interruptions caused by the uncontrolled diffusion of toxic gases. They enable real-time concentration display at the leak point, tiered early warning for exceeding thresholds, and remote data monitoring, thus building a solid first line of defense for industrial safety.

The equipment has passed ATEX II 2G Ex ia IIC T6 Ga intrinsically safe explosion-proof certification and CE 1282 compliance mark, meeting the requirements of EU Directive 2014/34/EU; it achieves IP66 dustproof and waterproof rating, and can withstand harsh environments such as high temperature, high humidity, dust, and corrosiveness; the sensor has a lifespan of 2-3 years, supports on-site replacement and calibration, and has low maintenance costs; it is factory-supplied, supports customized requirements such as gas type detection, installation method, and output signal, and provides OEM/ODM services to meet the usage scenarios of customers in different regions around the world.

1.System integration and automation linkage
Stationary gas detector can be used as a part of industrial Internet of Things (IIoT) and seamlessly integrated with the central control system (such as DCS, PLC) or safety instrument system (SIS) of the factory. When dangerous gas leakage is detected, the system can not only give an alarm, but also automatically trigger a series of emergency plans, such as starting the emergency exhaust system, closing related pipeline valves, cutting off production power supply, etc., so as to realize automatic safety management from passive monitoring to active disposal.
2.Improve enterprise compliance and reputation
Installing a standard fixed gas detection system is a key measure for enterprises to meet national and industrial safety production regulations (such as OSHA and ISO). This can not only help the enterprise to pass the safety audit smoothly, avoid the risk of fines and production suspension caused by violations, but also show employees, customers and the public that the enterprise attaches great importance to safety, thus enhancing the corporate social responsibility image and market reputation.
3.Provide early warning to realize preventive safety.
Unlike personal portable devices, which usually give an alarm after people enter a dangerous environment, fixed systems can continuously monitor the leakage source or diffusion path. It can give an early warning before the concentration of dangerous gas accumulates to endanger the safety of personnel or reach the lower explosion limit, so as to gain valuable "golden time" for personnel evacuation and emergency treatment, and truly realize the safety protection from "reactive" to "preventive".
4.Optimize long-term operating costs
Although the initial investment of fixed gas detection system is relatively high, in the long run, its operating cost is more advantageous. Sensors of fixed equipment usually have a longer service life (up to several years) and a stable maintenance cycle, unlike portable equipment that needs frequent charging, calibration and replacement. In addition, by preventing major safety accidents, enterprises can avoid huge property losses, production interruptions and compensation for casualties caused by accidents, and the return on investment is extremely high.
5.Reduce human error and have higher reliability.
The fixed gas detection system provides objective and continuous automatic monitoring, which does not depend on the operating habits and compliance of personnel. It eliminates the security loopholes caused by human factors such as employees forgetting to wear them, wrong operation, equipment running out of power or not being calibrated in time. This "never tired" monitoring method provides a more stable and reliable security guarantee for the industrial environment.

Fixed toxic gas detector HRP-T1000-B

Monitoring solution of industrial toxic gas

HRP-T1000-B fixed toxic gas detector is a professional industrial gas detection equipment, which is specially designed for continuous monitoring of toxic and harmful gases in industrial environment. The equipment can monitor the gas concentration in real time and provide early warning in time, helping enterprises to effectively prevent poisoning accidents, environmental pollution and production interruption caused by gas leakage.

HRP-T1000-B can be widely used to detect carbon monoxide (CO), hydrogen sulfide (hs), ammonia (NH), chlorine (cl), sulfur dioxide (so), nitrogen dioxide (no), hydrogen chloride (HCl) and other industrial toxic gases.

With high-precision sensing technology, stable and reliable performance and flexible communication mode, HRP-T1000-B is widely used in petrochemical industry, sewage treatment, electric energy, chemical production, pharmaceutical manufacturing and industrial processing.

What is a fixed toxic gas detector?

Fixed toxic gas detector is a kind of gas monitoring equipment installed in the field for a long time, which is used to continuously detect the concentration of toxic and harmful gases in the environment.

Different from the portable gas detector used for temporary inspection, the fixed toxic gas detector can realize 24-hour continuous online monitoring, and can be connected to the factory safety system, alarm controller, PLC or SCADA monitoring platform to realize centralized management and remote monitoring.

When the detected gas concentration reaches the preset alarm value, the equipment will immediately start the acousto-optic alarm and send an alarm signal to the control system, so that the field personnel can take emergency measures in time.

Working principle of HRP-T1000-B

HRP-T1000-B adopts advanced electrochemical sensing technology to detect toxic gases with high precision.

Detection process

Ambient air continuously enters the sensor detection cavity.
Toxic gas molecules react with electrochemical sensors.
The sensor generates corresponding electrical signals according to the gas concentration.
The built-in microprocessor analyzes the signal and converts it into real-time concentration value.
The gas concentration data is displayed on the equipment screen in real time.
Test data is output through 4-20mA, RS485 Modbus or relay signal.
When the gas concentration exceeds the preset alarm value, the equipment automatically starts the acousto-optic alarm.

Through the continuous monitoring mechanism, the equipment can find the hidden danger of leakage in time before the concentration of dangerous gas reaches the harmful level.

Product features and advantages

High-precision toxic gas detection

The industrial high-performance electrochemical sensor is adopted to realize accurate and stable gas concentration detection.

24-hour continuous online monitoring

It is suitable for long-term fixed installation scenarios and realizes all-weather uninterrupted security monitoring.

quick response

It can quickly capture the change of gas concentration and give an alarm in time before the dangerous situation occurs.

A variety of gas detection options

Support the detection of a variety of industrial toxic gases, including:

Carbon monoxide (CO)
Hydrogen sulfide (hs)
Ammonia gas (NH)
Chlorine gas (cl)
Sulfur dioxide (so)
Nitrogen dioxide (NO)
Hydrogen chloride (HCl)

And other special toxic gas.

Industrial-grade structural design

Suitable for high humidity, high dust, high temperature difference and complex industrial environment.

Multiple signal output modes

Support:

4-20mA analog output
RS485 Modbus RTU communication
relay output

Convenient access to PLC, DCS and SCADA system.

Intelligent alarm function

Supports multi-level alarm settings such as low alarm and high alarm, and is equipped with audible and visual alarm prompts.

Low maintenance cost

The sensor has long service life, the electronic system is stable, and the equipment maintenance frequency and operation cost are reduced.

Application industry

Petrochemical industry

Used for monitoring toxic gas leakage in production devices, storage tanks, pipelines and process areas.

Chemical manufacturing industry

It is used for the safety monitoring of dangerous gases during production, storage and transportation.

Sewage treatment industry

Monitoring toxic gases such as hydrogen sulfide and ammonia gas produced in sewage treatment process.

Electric energy industry

Used for monitoring harmful gases in power plants and energy facilities.

Pharmaceutical industry

Used for the protection of toxic gases in chemical synthesis and pharmaceutical production environment.

Mining industry

Monitor the concentration of toxic gas in underground mines to improve the safety level of operation.

Industrial manufacturing industry

Suitable for all kinds of factories and workshops that may produce toxic gases in the production process.

Environmental monitoring field

Used in industrial waste gas emission monitoring and air quality management projects.

Why choose HRP-T1000-B?

Compared with the traditional gas detection scheme, HRP-T1000-B has higher detection accuracy, faster response speed and stronger environmental adaptability.

The equipment supports a variety of industrial communication protocols, and can be easily connected to modern industrial automation systems and safety management platforms to realize centralized monitoring and intelligent early warning.

With stable and reliable performance, flexible configuration scheme and wide gas compatibility, HRP-T1000-B has become one of the important solutions in the field of industrial toxic gas monitoring.

product value

HRP-T1000-B fixed toxic gas detector provides continuous protection for personnel safety, equipment operation and production environment through accurate gas concentration monitoring and rapid alarm function.

Early detection and timely disposal of gas leakage can effectively reduce operational risks, improve safety management level, and help enterprises meet the requirements of occupational health, safe production and environmental protection.

Fixed Toxic Gas Detector HRP-T1000-B FAQ

1. What is the fixed toxic gas detector HRP-T1000-B?

HRP-T1000-B is a fixed gas detection equipment used for continuous monitoring of toxic gas concentration in industrial environment. It can detect the concentration of dangerous gas in the air in real time and give an early warning when the gas concentration exceeds the preset alarm value.

The detector is widely used in chemical plants, oil and gas facilities, sewage treatment plants, laboratories and other places where there is a risk of toxic gas leakage, providing continuous monitoring and alarm protection for industrial safety.

2. What gases can HRP-T1000-B detect?

HRP-T1000-B can be equipped with different types of gas sensors according to different application requirements, which can be used to detect a variety of toxic gases, including:

Hydrogen sulfide (H₂S)
Carbon monoxide (CO)
Ammonia gas (NH₃)
Chlorine gas (Cl₂)
Sulfur dioxide (SO₂)
Nitrogen dioxide (NO₂)

The specific type of gas to be detected depends on the sensor model installed in the equipment.

3. What is the working principle of HRP-T1000-B toxic gas detector?

HRP-T1000-B continuously collects the target gas concentration in the surrounding environment through a high-performance gas sensor.

When the detected gas concentration reaches the set alarm value, the equipment will immediately start the sound and light alarm function to remind the field personnel to take safety measures in time through sound and light to reduce the risk caused by toxic gas leakage.

4. What are the main features of HRP-T1000-B?

HRP-T1000-B fixed toxic gas detector has the following characteristics:

Support 24-hour continuous online monitoring.
Real-time display of gas concentration.
Acousto-optic alarm prompt.
High definition LED digital display screen.
Explosion-proof shell design.
Fast response speed and stable detection.
Support industrial communication interface.
Suitable for complex industrial environment.

5. Where can HRP-T1000-B be installed?

HRP-T1000-B is suitable for industrial areas where there is a risk of toxic gas leakage, such as:

Chemical production workshop.
Petroleum refinery.
Natural gas treatment facilities.
Sewage treatment plant.
Power plant.
Gas storage area.
Laboratory.
Industrial production workshop.

Fixed gas detectors are usually installed in dangerous areas that need long-term monitoring to achieve continuous safety protection.

6. What's the difference between a fixed toxic gas detector and a portable gas detector?

Fixed toxic gas detector is usually installed in a fixed position for long-term, continuous and automatic monitoring of gas concentration in the environment.

Portable gas detector is carried by staff, mainly used for inspection, maintenance or temporary detection.

Fixed detectors are suitable for long-term monitoring in high-risk areas, while portable detectors are more suitable for mobile detection and personal protection.

7. Does HRP-T1000-B have alarm function?

Yes.

HRP-T1000-B is equipped with sound and light alarm function. When it is detected that the concentration of toxic gas exceeds the set alarm value, the equipment will start the alarm lamp and sound prompt to remind the staff to evacuate in time or take corresponding safety measures.

8. What kind of sensor does HRP-T1000-B use?

HRP-T1000-B can select different sensors according to the type of gas to be detected.

For the detection of toxic gases, electrochemical sensors are usually used, which have the characteristics of high detection accuracy, good sensitivity, and are suitable for the detection of low-concentration gases, and can meet the requirements of industrial safety monitoring.

9. Can HRP-T1000-B be connected to the gas monitoring system?

Sure.

HRP-T1000-B supports the connection with external monitoring system, and can realize data transmission through industrial communication modes such as RS485 and Modbus (according to the specific configuration).

The equipment can be connected to PLC, DCS control system or central alarm system to realize remote centralized monitoring.

10. How to set the alarm value of HRP-T1000-B?

The alarm value can be set according to the type of detected gas and the actual application environment.

Usually, the toxic gas alarm point will be based on:

Gas hazard characteristics.
Working environment requirements.
Occupational safety standards.
Enterprise safety management requirements.

Make a reasonable configuration.

11. How often does HRP-T1000-B need to be calibrated?

In order to ensure the accuracy of detection, it is suggested to calibrate HRP-T1000-B regularly.

The specific calibration period depends on:

Detecting gas type.
Operational environment.
Sensor status.
Frequency of utilization.

In most industrial applications, calibration is usually recommended every 6-12 months.

12. Can HRP-T1000-B be used in outdoor environment?

Sure.

HRP-T1000-B can be used in outdoor industrial environment meeting installation requirements.

When installing outdoors, it is necessary to choose a suitable installation location according to the site environment and take protective measures to avoid extreme weather, rain, dust and other factors affecting the performance of the equipment.

13. Which industries need to use HRP-T1000-B toxic gas detector?

HRP-T1000-B is widely used in the following industries:

Chemical industry.
Petroleum and petrochemical industry.
Natural gas industry.
Environmental protection industry.
Mining industry.
Pharmaceutical industry.
Energy industry.

These industries may produce toxic gases in the process of production, storage or transportation, which requires real-time monitoring and safety early warning.

14. How does HRP-T1000-B help industrial safety?

HRP-T1000-B can help enterprises:

Discover toxic gas leakage in advance.
Reduce the risk of personnel poisoning.
Realize continuous online monitoring.
Improve accident response speed.
Protect production equipment and site environment.

Through real-time detection and alarm function, the safety level in industrial production process is improved.

15. How to maintain HRP-T1000-B?

In order to ensure the long-term stable operation of the equipment, it is recommended to carry out regular maintenance, including:

Check the sensor response.
Test whether the alarm function is normal.
Check the line connection status.
Cleaning equipment housing.
Conduct gas calibration regularly.

The correct maintenance method can improve the reliability of the detector and prolong the service life of the equipment.

Single Gas Detec

Detected Gases: Toxic gas, Oxygen
Detection Principle: Catalytic Combustion
Sampling Method: Natural Diffusion
Detection Range: PPM, %LEL, %VOL, mg/m³
Response Time: LEL < 30 s (T90), Toxic Gas < 60 s
Setting Method: Button or Remote Control
Power: DC 24 V ±12 V ≤ 3 W
Output Signal: 4-20 mA / RS485 or Both
Transmission Distance: < 1000 m
Operating Temperature: -20℃ - +55℃
Relative Humidity: ≤ 95% RH (Non-condensing)
Explosion-Proof Rating: ll 2G Ex db lIC T6 Gb
Ingress Protection: IP66
Enclosure Material: Die-Cast Aluminum (Optional: 304 Stainless Steel)
Dimensions: 195 x 185 x 95 mm
Weight: < 1000 g
Cable Entry: M20 x 1.5 or G1/2
Mounting Method: Wall-Mounted

Fixed-Toxic-Gas-Detector-HRP-T1000-B-side-view

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	Measurement Range	Optional Range	Resolution	Low Alarm	High Alarm
l	Flammable Gas	EX	0-100%LEL	0-100%vol(Infrared)	1%LEL/1%vol	20	50
2	Methane	CH₄	0-100%LEL	0-100%vol(Infrared)	1%LEL/1%vol	20	50
3	Oxygen	O₂	0-30%vol	0-100%vol	0.1%vol	19.5%	23.5%vol
4	Hydrogen Sulfide	H₂S	0-100ppm	0-50/200/1000ppm	0.1/lppm	10	20 ppm
5	Carbon Monoxide	CO	0-1000ppm	0-500/2000/5000ppm	lppm	50	150 ppm
6	Carbon Dioxide	CO₂	0-5000ppm	0-1%15%/10%vol	lppm/0.1%vol	1000	2000
7	Nitric Oxide	NO	0-250ppm	0-500/1000ppm	lppm	50	150 ppm
8	Nitrogen Dioxide	NO₂	0-20ppm	0-50/1000ppm	0.1ppm	5	10 ppm
9	Sulfur Dioxide	SO₂	0-20ppm	0-50/1000ppm	0.1/lppm	5	10 ppm
10	Chlorine Gas	CL₂	0-50ppm	0-100/1000ppm	0.1ppm	5	10 ppm
11	Hydrogen	H₂	0-1000ppm	0-5000ppm	lppm	50	150 ppm
12	Ammonia	NH₃	0-100ppm	0-50/500/1000ppm	0.1/lppm	20	50 ppm
13	Phosphine	PH₃	0-20ppm	0-20/1000ppm	0.1ppm	5	10 ppm
14	Hydrogen Chloride	HCl	0-50ppm	0-20/500/1000ppm	0.001/0.1ppm	5	10 ppm
15	Chlorine Dioxide	CLO₂	0-50ppm	0-10/100ppm	0.1ppm	5	10 ppm
16	Hydrogen Cyanide	HCN	0-50ppm	0-100ppm	0.1/0.01ppm	10	20 ppm
17	Ethylene Oxide	C₂H₄O	0-100ppm	0-100ppm	1/0.1ppm	20	50 ppm
18	Ozone	O₃	0-20ppm	0-20/100ppm	0.1ppm	2	5ppm
19	Formaldehyde	CH₂O	0-10ppm	0-50/100ppm	1/0.1ppm	2	5 ppm
20	Hydrogen Fluoride	HF	0-10ppm	0-1/10/50/100ppm	0.01/0.1ppm	2	5 ppm
21	Xylene/Toluene	C₆H₄ (CH₃)₂	0-40ppm	0-1/10/50/100ppm	0.01/0.1ppm	5	10 ppm
22	Benzene	C₆H₆	0-100ppm	50/5001000ppm	1PPM/0.1ppm	200	500ppm
23	Methanol	CH₃OH	0-100ppm	20/50ppm	lppm	2	10 ppm
24	Ethanol	C₂H₅OH	0-100ppm	20/50ppm	lppm	5	10 ppm
25	Ethyl Acetate	C₄H₈O₂	0-100ppm	10/20/50ppm	lppm	200	500ppm
26	Methyl Mercaptan	CH₃SH	0-100ppm	20/50ppm	lppm	500	800ppm
27	Vinyl Chloride	C₂H₃Cl	0-10ppm	20/50/100ppm	lppm	20	50ppm
28	Tetrachloroethylene	C₂Cl₄	0-10ppm	20/50ppm	lppm	20	50ppm
29	Nitrobenzene	C₆H₅NO₂	0-100ppm	20/50ppm	lppm	2.4	4.8ppm
30	Aniline	C₆H₅NH₂	0-10ppm	20/50ppm	lppm	200	500ppm
31	Carbon Disulfide	CS₂	0-10ppm	20/50/100ppm	lppm	200	500ppm
32	Chloroform	CHCl₃	0-20ppm	10/50/100ppm	lppm	200	500ppm
33	Diethyl Ether	C₄H₁00	0-20ppm	10/50ppm	lppm	200	500ppm
34	Acetaldehyde	CH₃CHO	0-20ppm	10/20/50ppm	lppm	20	50ppm
35	Arsine	AsH₃	0-10ppm	1/20ppm	1PPM/0.1ppm	200	500ppm
36	Acrylonitrile	C₃H₃N	0-100ppm	10/20/50ppm	lppm	5	10ppm
37	Hydrogen Bromide	HBr	0-100ppm	10/20/50ppm	lppm	200	500ppm
38	Styrene	C₈H₈	0-100ppm	10/20/50ppm	lppm	20	50ppm

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

Magnetic Fixed Gas Detector HRP-GT-H10

The battery-powered magnetic fixed gas detector is an industrial-grade intelligent monitoring device that integrates "low-power LoRa networking, strong magnetic adsorption installation, and long-lasting battery power."

Magnetic Fixed Gas Detector HRP-GT-H10

Fixed Combustible Gas Detector HRP-T1000-A

The HRP-T1000-A is a fixed monitoring device specifically designed for flammable gas leaks in industrial sites.

Fixed Combustible Gas Detector HRP-T1000-A

The HRP-T1000-A is a fixed monitoring device specifically designed for flammable gas leaks in industrial sites.

Fixed Infrared Combustible Gas Detector HRP-T1000-C

The HRP-T1000-C is a professional solution for high-concentration methane detection, designed to solve the range bottleneck problem of catalytic combustion sensors for high-end customers.

Fixed Infrared Combustible Gas Detector HRP-T1000-C

The HRP-T1000-C is a professional solution for high-concentration methane detection, designed to solve the range bottleneck problem of catalytic combustion sensors for high-end customers.

Fixed Toxic Gas Detector-HRP-T1000-B

The HRP-T1000-B is a continuous online monitoring device installed in industrial sites to detect changes in the concentration of toxic and harmful gases in the environment in real time.

Fixed Toxic Gas Detector-HRP-T1000-B

The HRP-T1000-B is a continuous online monitoring device installed in industrial sites to detect changes in the concentration of toxic and harmful gases in the environment in real time.