CO260-en-GB_v1.0 8/17
12
Specifications
Function
Range
Resolution Accuracy
CO
2
0 to 5000ppm
1 ppm
±(5%rdg + 30ppm)
5001 to 9999ppm
1 ppm
Not specified
Pressure dependence: +1.6% of reading per kPa deviation from
normal pressure (100kPa)
CO
<100 ppm
1 ppm
±(10ppm)
101 to 500 ppm
1 ppm
±(10%rdg)
501 to 1000 ppm
1 ppm
±(20%rdg)
Temperature
-20 to 60°C
0.1°
±0.6°C
-5 to 140°F
0.1°
±0.9°F
Humidity
0.1 to 99.9%
0.1%RH
±3%(10 to 90%) @25°C
±5%(all other ranges)@25°C
Wet Bulb
-5 to 59.9°C
23 to 140°F
0.1°
Calculated from RH and
Temperature
Dew Point
-20 to 59.9°C
-4 to 140°F
0.1°
Display
LCD with backlight
Display size
26 x 44 mm (1.0 x 1.7”)
Warm-up period
30 seconds
Response Time
CO
2
: <30 seconds (90% step change)
CO: <60 seconds (90% step change)
Tair: <2 minutes (90% step change)
RH: <10 minutes (90% step change)
Sensor Type
CO2: NDIR (non-dispersive infrared) technology
Humidity: Capacitance sensor
Temperature (air): Thermistor
Operating Conditions
-20 to 50
o
C (-4 to 122
o
F) CO
2
sensor
0 to 50
o
C (32 to 122
o
F) CO sensor
-20 to 50
o
C all other parameters
Storage Conditions
-20 to 60
o
C (-4 to 140
o
F); 10 to 90% RH non-condensing
Power Supply
4 x 1.5V ‘AA’ batteries or AC adaptor (9V)
Battery Life
approx. 24 hours (alkaline batteries)
Dimensions / Weight
205 x 70 x 56mm (8.1 x 2.8 x 2.2“) / 200g (7.1 oz.)