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Handheld three in one gas alarm
Brief introduction: The handheld three in one gas alarm is a safety device with the explosion-proof symbol Exibd I, which can be used in hazardous env
Product details
Details introduction:
Handheld three in one gas alarm is a safety device with explosion-proof symbol Exibd I, which can be used in hazardous environments with explosive properties;
The alarm point of the handheld three in one gas alarm can be set according to user requirements, with a two-level sound and light alarm function;
The handheld three in one gas alarm adopts four high brightness alarm indicator lights. 1 charging indicator light, any 5V, USB interface power supply can charge the instrument;
The handheld three in one gas alarm has a parameter backup function, which can restore the factory settings and prevent accidental operation. It can work continuously for more than 12 hours.
Technical parameters:
TECHNICAL INDEX
parameter
Detect gas
Oxygen（O2）Carbon monoxide（CO）Hydrogen sulfide（H2S）
Oxygen（O2）
measuring range
（0.0-30.0）%vol
error
( 0.0～5.0 ) % O2：±0.5% O2
( >5.0～30.0 )% O2：0.9% O2
Corresponding time
≤35S ( T90 )
resolution
0.1%vol
alarm point
18.0%vol(Full range adjustable)
25.0%vol(Full range adjustable)
Carbon monoxide（CO）
measuring range
0～1000 ）ppm
error
0～20 )ppm：±2ppm( >20～100 )ppm：±4ppm
(> 100～500 )ppm: True value±5% ( >500～1000)ppm: True value±6%
Corresponding time
≤45S ( T90 )
resolution
1ppm
alarm point
24%vol(Full range adjustable)
hydrogen sulfide
measuring range
0–100)ppm
error
(0-50 ) ppm：±
3ppm(>50-100)ppm
: Measurement value ±
10%response time
≤
45S ( T90 )
resolution
1ppmalarm point
10ppm
(Full range adjustable)Display mode
Color screen
LCD
alarm sound
Grade strength
75dB
Alarm method
Sound, light alarm, vibration
Alarm indication20Indicator lamp
Not less than
Visible at meters1Sensor lifespan
≥
year
Working current
>90mAContinuous working hours
>
twelve
hour
model No
PL123450
Battery short-circuit current2A
charging time
4-5
hour
-20protection grade 40IP54
operation temperature℃ to
130℃66outline dimension30
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