103-31-394-010-EH-0714.pdf
103-31-394-010-EH-0714
EC4-200-Cl2
Chlorine Electrochemical Sensor
PERFORMANCE
OUTLINE
Range ................................................................. 0 - 200 ppm
Sensitivity (see note) .......................... 250 - 650 nA/ppm Cl2
Zero in air at 20 °C..........................................<±0.4 ppm Cl2
Zero deviation (-20 to +40°C) .....................0 to -0.3 ppm Cl2
Resolution...........................................................0.1 ppm Cl2
Expected lifetime ....................................................... 2 years
Linearity ...................................................linear across range
Response time, t90....................................................... <30 s
Temperature range .......................................... –20 to +50 °C
Pressure range ................................. 90 – 110 kPa (nominal)
Humidity range......................15 - 90% RH (non-condensing)
Long-term output drift ........ <2% change in output per month
Operating circuit............... see Electrochemical Toxic Sensor
Application Note
Note: This output current is negative. This is because the
sensor reaction is a reduction of the target gas.
OPERATING CONDITIONS
Temperature range .......................................... –20 to +50 °C
Operating humidity................15 - 90% RH (non-condensing)
Pressure range .................................. 90 - 110 kPa (nominal)
Operating circuit............... see Electrochemical Toxic Sensor
Application Note
Applied potential ..............................................................0 V
Storage life........... 6 months in original packaging (0 - 25 °C)
PHYSICAL CHARACTERISTICS
Label colour ...................................................................silver
Weight............................................................................... 6 g
Dimensions ...........................................................see outline
This device is designed to be RoHS compliant.
CROSS-SENSITIVITY DATA
GAS
Carbon Dioxide
Carbon Monoxide
Chlorine Dioxide
Hydrogen
Hydrogen Sulfide
Nitrogen Dioxide
Sulfur Dioxide
Ammonia
Nitric Oxide
Concentration
(ppm)
10,000
100
1
3000
20
10
20
100
35
Sensor
Response
(As ppm Cl2)
0
0
3.5
0
-4
12
0
0
0
Important Note
Do not solder to the connector pins as this may damage the
sensor and thereby invalidate the warranty.
Details on recommended connector pins can be found in the
Frequently Asked Questions within the Gas Sensor section
of the SGX website.
A1A-764871 Version 5, June 2010
103-31-394-010-EH-0714.pdf
103-31-394-010-EH-0714
TEMPERATURE DEPENDENCE
EC4-200-Cl2 Graph of Zero vs Temperatures
2
1.5
Zero / ppm Cl2
1
0.5
0
-30
-20
-10
0
10
20
30
40
50
60
-95% conf.
Average
+95% conf
-0.5
-1
-1.5
-2
Temperature/ Degrees Celsius
EC4-200-Cl2 Graph of Net Sensitivity vs Temperature
120
110
100
% of Sensitivity @20 Deg C
90
80
70
% Sensitivity Graph -95% conf.
% Sensitivity Graph Average
% Sensitivity Graph +95% conf
60
50
40
30
20
10
0
-30
-20
-10
0
10
20
30
40
50
60
Temperature / Degrees Celsius
A1A-764871 Version 5, June 2010
Headquarter Switzerland:
Pewatron AG
Thurgauerstrasse 66
CH-8052 Zurich
Phone +41 44 877 35 00
[email protected]
Office Germany:
Pewatron AG
Neumarkter Straße 86a
D-81673 Munich
Phone +49 89 260 38 47
[email protected]
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Pewatron AG
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Pewatron AG
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Phone + 41 44 877 35 18
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