Oxygen measuring device MySign
®
O
42 Doc no.: 065-07-1001825_MySignO_GB-0.pdf / 12.11
9 Technical specifications
All of the specifications apply to the following standard conditions: Ambient temperature of
1013 hPa, 25°C dry ambient air.
Measuring range
:
0-100% oxygen
Display precision
:
0.1% oxygen
Precision
:
< 1% by vol. O
2
, when calibrated on 100% by vol. O
2
Offset
:
< 1% by vol. O
2
in 100% N2
Response time
:
< 12 seconds to 90% of the final value
Linearity error
:
< 3% relative
Drift
:
< 1% by vol. O
2
over 8 hours
Cross-sensitivity
: DIN EN ISO 21647 compliant
Operating humidity
:
0 - 99% rel. humidity (non-condensing)
Effects of moisture
:
0.03% relative per % RH
Ambient pressure
:
750 to 1250 hPa
Effects of pressure
: Proportional to the change in the oxygen partial
pressure
Impact sensitivity
: < 1% relative after a drop from 1 m height
Operating temperature
: 0°C – 50°C
Temperature compensation
: NTC compensator integrated into sensor
Storage temperature
: -20°C – 70°C (unit)
-20°C – 50°C (sensor)
Storage recommendations
(sensor)
: 5°C – 15°C
Sensor type
:
OOM 111 (galvanic oxygen sensor)
Sensor life span
:
> 1,000,000 % O2 hours
Battery
:
Li-Ion 3.6 V 2900 mAh
Operating time per charge
:
> 24 hours (standard settings)
Charger
: USB, protection class II
Input: AC 110V - 230V / 50 – 60 Hz / 125 mA
Output : DC 5 V / 1.5 A
Charging time
:
Approx. 4 hours
Display
:
2.8" multicolour TFT (240 x 320 dots)
Dimensions (unit)
:
160 x 72 x 39 mm (L x W x H)
Cable length
:
Spiral cable 0.5 m (max. 2.5 m)
Protection class
:
IP 54
Impact resistance
:
IK 05
Weight
:
330 g (with sensor)
Interface
:
USB 2.0
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