MEMBRAPOR
SPECIFICATION SHEET FOR CO SENSOR TYPE CO/MF-500
PERFORMANCE CHARACTERISTICS
Nominal Range
Maximum Overload
Expected Operation Life
Output Signal
Inboard Filter
Resolution
Temperature Range
Pressure Range
Pressure Coefficient
t90 Response Time
Relative Humidity Range
Typical Baseline Range (pure
air, 20°C)
Maximum Zero Shift (+20°C
to +40 °C)
Expected Long Term Output
Drift
Recommended Load Resistor
Bias Voltage
Repeatability
Output Linearity
0 – 500 ppm
2000 ppm
2 years in air
70
±
20 nA/ppm
To remove H2S and
SO2
1 ppm
- 20 °C to + 50 °C
Atmospheric
±
10 %
No data
< 25 sec
15 % to 90 % R.H.
non-condensing
- 2 ppm to +3 ppm
9 ppm equivalent
< 2 % signal
loss/month
10 Ohm
Not required
< 2 % of signal
Linear
PHYSICAL CHARACTERISTICS
Weight
Position Sensitivity
Storage Life
Recommended Storage
Temperature
Warranty Period
~ 5.4 g
None
Six months in
container
5 °C – 20 °C
12 months from date
of dispatch
Miniature-Size Outline Dimensions
BOTTOM VIEW
Reference
90°
Sensing
Counter
18 mm
13.5 mm
PCD
SIDE VIEW
20 mm
CROSS-SENSITIVITY DATA
Interfering Gas
Concentration
H
2
H
2
S
100 ppm
10 ppm
Reading
< 40 ppm
~ 0 ppm
5 mm
Pin Projection
1.5 mm Pins
on 13.5 mm PCD
Performance data conditions:
20 °C, 50% RH and 1013 mbar
APPLICATIONS
Safety and Environmental Control
For Portable Gas Detectors
REV.: 2/2008
Phone: +41 43 311 72 00
Fax : +41 43 311 72 01
Email: info@membrapor.ch
www.membrapor.ch
Page 1 of 2
MEMBRAPOR AG
Rautistrasse 164
CH-8048 Zürich
Switzerland
MEMBRAPOR
SPECIFICATION SHEET FOR CO SENSOR TYPE CO/MF-500
TEMPERATURE DEPENDENCE
The output of an electrochemical sensor varies with temperature. The graphs below show the variation in output with
temperature for this type of sensor. The results are shown in the graphs as a mean for a batch of sensors, along with
confidence intervals corresponding to ±3 times the standard deviation. The sensitivity dependence is expressed as a
percentage of the signal at 20 °C.
Sensitivity Temperature Dependence
120%
110%
Output (referenced to 20 °C)
100%
90%
80%
70%
60%
50%
-20
-10
0
10
20
30
40
50
Tem perature (°C)
Mean
+3SD
-3SD
The data contained in this document is for guidance only. Membrapor AG accepts no liability for any consequential losses, injury or damage resulting
from the use of this document or the information contained within it. The data is given for guidance only. Customers should test under their own
conditions, to ensure that the sensors are suitable for their own requirements.
REV.: 2/2008
Phone: +41 43 311 72 00
Fax : +41 43 311 72 01
Email: info@membrapor.ch
www.membrapor.ch
Page 2 of 2
MEMBRAPOR AG
Rautistrasse 164
CH-8048 Zürich
Switzerland
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