CO
2
concentration, parts per million (ppm). NDIR CO
2
sensor, display up to 9999ppm
DISPLAY , KEYPAD, SPECIFICATION
1
3
1
2
Relative humidity
.
Range 0.1~99.9%RH
3
4
Three color light bar. The status of measured CO
2
.
Default:
<800ppm
800~1000ppm
>1000ppm
CO
2
and PM2.5 alarm buzzer
.
Buzzer is default as OFF and can be activated through keypad
5
Ambient temperature
.
C/F switchable. Range -10.0~60.0C
(
14.0~140.0F)
SET
-Setting modes. Long press to enter setting mode
MUTE /+
-While buzzer sounds, short press to mute
-While in setting mode, press to adjust value
Measuring range
o
o
-10.0~60.0 C (14.0~140.0 F)
CO
2
Temperature
Resolution
3
o
o
1ppm,1ug/m , 0.1 C/ F, 0.1%RH
Accuracy
CO
2
Temperature
o
o
+0.6 C/+0.9 F
0~9999 ppm,
+40ppm+3% of reading
(
400~2000ppm)
Other range is 10% of reading
0.1~99.9% RH
Humidity
o
+5%RH (at 25 C, 10~90%RH) ;
o
+7%RH ( at 25 C , other range )
Humidity
Response time
CO
2
Tair
Operating
Storage
Power supply
Meter size
Weight
Standard package
<30 seconds (63% step change)
<2 mins
(90% step change)
o
0~50 C , 0~95% RH (
avoid condensation)
o
-20~ 50 C,0~95%RH(avoid condensation)
5VDC USB type C port
610g
Meter, manual, USB type C cable
,Hanging accessories.
Power consumption
<500mA
<20 minutes ( 90% step change)
Humidity
257 x 168 x 45.5 mm (L x W x T)
SPECIFICATION
2
5
2
4
7
6
8
9
3
3
PM2.5 dust concentration, ug/m (ppm). range 0 to 999 ug/m
Health index, based on 24 hour PM2.5 average. Scale from 1 to 7. 1 is the best condition.
6
7
12000 times record auto logging function
8
9
3
3
3
Three color light bar. The status of measured PM2.5
.
Default:
<35ug/m
35~55ug/m
>55ug/m
-Press longer time to start or stop logging
/
II
PM2.5
3
0~999 ug/m
PM2.5
PM2.5
<30 seconds(90% step change)
Auto Logging 12000 times record
3
0-100: +/-10 ug/m ;101~999:+/-10% rdg.
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