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Phone
13681394298
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Address
0935, 2nd Floor, Building 9, No. 4 Anningzhuang Road, Xisanqi, Haidian District, Beijing
Product Categories
Beijing Heng'an Ruifeng Technology Co., Ltd
Handheld four in one gas alarm
NegotiableUpdate on 07/23
- Model
- Nature of the Manufacturer
- Producers
- Product Category
- Place of Origin
Overview
Brief introduction: The alarm point of the handheld four in one gas alarm can be set according to user requirements, with a two-level sound and light alarm function; Handheld four in one gas alarm. This instrument adopts four high brightness alarm indicator lights and one charging indicator light. The instrument can be charged by a 5V or USB interface power supply; Handheld four in one gas alarm has parameter backup function, which can restore factory settings and prevent misoperation; Handheld four in one gas alarm. This instrument adopts a crocodile shaped back clip to prevent the instrument from falling off. Simultaneously configure leather cases; Long continuous working time, exceeding 12 hours.
Product Details
Details introduction:
Handheld four in one gas alarmThe alarm point can be set according to user requirements, with a two-level sound and light alarm function;
Handheld four in one gas alarm. This instrument adopts four high brightness alarm indicator lights and one charging indicator light. The instrument can be charged by a 5V or USB interface power supply;
Handheld four in one gas alarm has parameter backup function, which can restore factory settings and prevent misoperation;
Handheld four in one gas alarm. This instrument adopts a crocodile shaped back clip to prevent the instrument from falling off. Simultaneously configure leather cases; Long continuous working time, exceeding 12 hours.
Technical parameters:
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TECHNICAL INDEX |
parameter |
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Detect gas |
Methane（CH4）/Combustible gas(LEL)Oxygen（O2）Carbon monoxide（CO）Hydrogen sulfide（H2S） |
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Methane（CH4） |
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measuring range |
（0.00-5.00）%vol |
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error |
( 0.00～1.00 ) %vol：±0.10% )%CH4 ( 1.00～3.00 ) %vol: True value±10% ( 3.00～5.00 ) %vol：±0.30% %CH4 |
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Corresponding time |
≤20S ( T90 ) |
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resolution |
0.01%vol |
alarm point |
1.00%vol(Full range adjustable) |
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Combustible gas(LEL) |
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measuring range |
（0-100）%LEL |
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error |
±10% |
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Corresponding time |
≤20S ( T90 ) |
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resolution |
1%LEL |
alarm point |
20%LEL(Full range adjustable) |
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Oxygen（O2） |
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measuring range |
（0.0-30.0）%vol |
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error |
( 0.0～5.0 ) % O2：±0.5% O2 ( >5.0～30.0 )% O2：0.9% O2 |
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Corresponding time |
≤35S ( T90 ) |
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resolution |
0.1%vol |
alarm point |
18.0%vol(Full range adjustable) 25.0%vol(Full range adjustable) |
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Carbon monoxide（CO） |
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measuring range |
0～1000 ）ppm |
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error |
0～20 )ppm：±2ppm( >20～100 )ppm：±4ppm (> 100～500 )ppm: True value±5% ( >500～1000)ppm: True value±6% |
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Corresponding time |
≤45S ( T90 ) |
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resolution |
1ppm |
alarm point |
24%vol(Full range adjustable) |
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hydrogen sulfide |
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measuring range |
0–100)ppm |
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error |
( 0-50 ) ppm：±3ppm (> 50-100)ppm: Measurement value ±10% |
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response time |
≤45S ( T90 ) |
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resolution |
1ppm |
alarm point |
10ppm(Full range adjustable) |
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Display mode
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Color screenLCD |
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alarm sound Grade strength |
75dB |
Alarm method |
Sound, light alarm, vibration |
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Alarm indication Indicator lamp |
Not less than20Visible at meters |
Sensor lifespan |
≥1year |
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Working current |
>90mA |
Continuous working hours |
> 12hour |
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model No |
PL123450 |
Battery short-circuit current |
2A |
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charging time |
4-5hour |
protection grade |
IP54 |
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operation temperature |
-20℃ to 40℃ |
outline dimension(MM) |
130×66×30 |
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