Datasheet

2
FEATURES
Inline gas measurement // Ambient air measurement // Maximum, minimum, average readings //
Hold function // Backlight function
TECHNICAL DATA
Handheld unit
Power supply 1x 9 V block battery
Accuracy calibrated device at nominal temp.:
±0.1 % O
2
±1 digit
sensor linearity:
<2 vol.-% +/- 0.1 %
<25 vol.-% +/- 0.5 %
<100 vol.-% +/- 1.0 %
Calibration perform calibration at regular intervals,
in ambient air (approx. 21.0 % O
2
) by volume
Measurement 0 - 100 % O
2
concentration
Resolution 0.1 %
Response time (T
90
) <15 seconds
Operating pressure 0.5 - 2.0 bar absolute
Operating conditions 0 to +50 °C, ≤99 % RH (non-condensing)
Storage conditions -10 to +60 °C, ≤99 % RH (non-condensing)
Dimensions (W x H x D) 30 x 111 x 73 mm
Weight approx. 192 g (without battery)
Oxygen sensor
Output 9 - 13 mV (21 % O
2
)
Output connector 3.5 mm jack
Sensor type Partial pressure electrochemical
Measurement range 0 - 100 % vol. O
2
Response time (T 90) <15 s
Baseline offset <200 μV
Temperature compensation <2 % O
2
equivalent variation from 0 to +40 °C
External load resistor ≥10 kΩ
Lifetime Long term output drift in 100% O
2
:
<5 % signal loss/year
Operating Life:
1.5 x 10
6
% O
2
hours at 20 °C
0.8 x 10
6
% O
2
hours at 40 °C
Operating pressure range 0.5 - 2.0 bar
Operating conditions -10 to +30 °C, ≤99 % RH (non-condensing)
Storage conditions -10 to +50 °C, ≤99 % RH (non-condensing)
Weight approx. 38 g