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Qualifications: Coal Mine Safety Certificate
Explosion-proof Certificate
Inspection Certification
Model Number: JHB4
Applications:
Infrared Combustible Gas Detector is an intrinsically safe and explosion-proof instrument and is designed to deter Combustible Gas concentration in ambient air continuously and rapidly.
It adopts NDIR infrared technology with high accuracy and fast response. The measuring range of Combustible (CH4) gas is 0-5.0% or 0-100%vol.
Despite its compact size, the Infrared Combustible Gas Detector includes features usually found only in larger multi-gas monitors including a large, OLED display, internal audible/visual alarms and simple push-button operation.
The monitor continuously displays ambient combustible gas readings and will alert the user when gas concentrations exceed the preset low or high levels. Added features include adjustable alarm setpoints, calibration gas values, and choice of text-only display selected by the user through a simple, push-button routine. Infrared Combustible Gas Detector also has a peak/hold feature to show the highest reading during a shift and includes a special flip-cap calibration adapter for quick and simple calibration. It is covered by a two-year warranty from the date of manufacture.
It is used at the underground coal mine and mine safety inspection mainly. Certainly, it is also applied to fire fighting, confined space, chemical industry, oil and all kinds of environment that needed to measure the combustible gas.
Feature
Benefit
Sensor lifetime
10 years, NDIR infrared sensor
2-year warranty
Lowers the overall cost of ownership by providing a full 24 months of warranty coverage.
Display
High brightness backlight display
Calibration
The user's own can calibrate the detector by operating on it
Weight of 102g
Light weight and compact size, can be worn on the belt, shirt pocket, coveralls or hard-hat.
Flip-cap calibration feature
Ifrared Combustible Gas Detector has a unique, built in calibration adapter to make calibration easy and eliminates the need to search for a calibration cup.
OLED display
Provides continuous display of the actual concentration of combustible gasin the ambient environment as well as remaining battery life.
Adjustable low and high alarm setpoints
The user can configure single Ifrared Combustible Gas Detector to suit a number of different applications.
High visibility case
From a distance, it's color makes it easy for Safety Professionals to verify that workers are protected.
5 second delay shut-off protection
Ifrared Combustible Gas Detector cannot be accidentally shut off since the on/off button must be depressed for five continuous seconds.
Technical specification:
Sensor
NDIR infrared
Sensor lifetime
10 years
Range :
0-5.0%vol          Â
0-100%vol          Â
Accuracy :
Low 1.0%vol / High 3.0%vol
Low 5%vol / High 10%vol
Resolution :
0.01%vol              Â
1%vol                Â
Power Source:
1500mAHÂ lithium battery ;rechargeable battery
Temperature Range :
-4°F to 122°F (-20°C to 50°C) typical Â
Humidity Range :
0 to 95% RH typical
Alarms:
Adjustable low and high alarm setpoints
Explosion protection
Exibd I
Protection grade
IP67
Dimensions:
 93mm×49mm×22mm
Weight:
102g
Qualifications: Coal Mine Safety Certificate
Explosion-proof Certificate
Inspection Certification
Model Number: JHB4
Applications:
Infrared Combustible Gas Detector is an intrinsically safe and explosion-proof instrument and is designed to deter Combustible Gas concentration in ambient air continuously and rapidly.
It adopts NDIR infrared technology with high accuracy and fast response. The measuring range of Combustible (CH4) gas is 0-5.0% or 0-100%vol.
Despite its compact size, the Infrared Combustible Gas Detector includes features usually found only in larger multi-gas monitors including a large, OLED display, internal audible/visual alarms and simple push-button operation.
The monitor continuously displays ambient combustible gas readings and will alert the user when gas concentrations exceed the preset low or high levels. Added features include adjustable alarm setpoints, calibration gas values, and choice of text-only display selected by the user through a simple, push-button routine. Infrared Combustible Gas Detector also has a peak/hold feature to show the highest reading during a shift and includes a special flip-cap calibration adapter for quick and simple calibration. It is covered by a two-year warranty from the date of manufacture.
It is used at the underground coal mine and mine safety inspection mainly. Certainly, it is also applied to fire fighting, confined space, chemical industry, oil and all kinds of environment that needed to measure the combustible gas.
Feature
Benefit
Sensor lifetime
10 years, NDIR infrared sensor
2-year warranty
Lowers the overall cost of ownership by providing a full 24 months of warranty coverage.
Display
High brightness backlight display
Calibration
The user's own can calibrate the detector by operating on it
Weight of 102g
Light weight and compact size, can be worn on the belt, shirt pocket, coveralls or hard-hat.
Flip-cap calibration feature
Ifrared Combustible Gas Detector has a unique, built in calibration adapter to make calibration easy and eliminates the need to search for a calibration cup.
OLED display
Provides continuous display of the actual concentration of combustible gasin the ambient environment as well as remaining battery life.
Adjustable low and high alarm setpoints
The user can configure single Ifrared Combustible Gas Detector to suit a number of different applications.
High visibility case
From a distance, it's color makes it easy for Safety Professionals to verify that workers are protected.
5 second delay shut-off protection
Ifrared Combustible Gas Detector cannot be accidentally shut off since the on/off button must be depressed for five continuous seconds.
Technical specification:
Sensor
NDIR infrared
Sensor lifetime
10 years
Range :
0-5.0%vol          Â
0-100%vol          Â
Accuracy :
Low 1.0%vol / High 3.0%vol
Low 5%vol / High 10%vol
Resolution :
0.01%vol              Â
1%vol                Â
Power Source:
1500mAHÂ lithium battery ;rechargeable battery
Temperature Range :
-4°F to 122°F (-20°C to 50°C) typical Â
Humidity Range :
0 to 95% RH typical
Alarms:
Adjustable low and high alarm setpoints
Explosion protection
Exibd I
Protection grade
IP67
Dimensions:
 93mm×49mm×22mm
Weight:
102g
Model NO.: JHB4
Explosion Protection: Exibd I
Protection Grade: IP67
Dimensions: 93mm*49mm*22mm
Weight: 102g
Trademark: Topsky
Transport Package: Hard Plastic Case
Specification: SGS
Origin: Beijing China
HS Code: 9027100090
Model NO.: JHB4
Explosion Protection: Exibd I
Protection Grade: IP67
Dimensions: 93mm*49mm*22mm
Weight: 102g
Trademark: Topsky
Transport Package: Hard Plastic Case
Specification: SGS
Origin: Beijing China
HS Code: 9027100090