MSR ELECTRONIC PolyGard 2 MC2 - B: Electrochemical Sensor Element for Toxic Gases and Oxygen

User Manual PolyGard
®
2 Sensors 2023-11 Page 28 | 40
B: Electrochemical Sensor Element for Toxic Gases and Oxygen
SENSOR ELEMENT
Gas type and measuring range
See datasheet MC2/SC2_Tox
Measuring principle
Electrochemical
Storage time
1
Ca. 6 months
Poisoning
Electrochemical sensor elements are susceptible to poisoning by organic solvents.
Gas type
Ordering No.
Measuring range
2
Accuracy
Display resolution
Repeatability
Plastic housing
Stain- less steel housing (SC2)
Zero-point variation
Drift in air
t
90
time
Reaction time
t
90
time
Reaction time
SC2- /
MC2-X-
ppm
± % sig.
ppm
< ± % sig.
≤ sec.
≤ sec.
≤ sec.
≤ sec.
± ppm
< % /
month
CO
E1110-A
0–50
2
0.01
3
15
5
35
5
1
2
CO
E1110-C
0–150
2
0.1
5
10
5
40
5
4
0.4
CO
E1110-E
0–250
2
0.1
5
10
5
40
5
4
0.4
CO
E1110-F
0–300
2
0.1
5
10
5
40
5
4
0.4
CO
E1110-H
0–500
2
0.1
5
10
5
40
5
4
0.4
NH
3
E1125-A
0–100
5
0.1
10
120
5
200
10
5
2
NH
3
E1125-B
0–300
3
0.1
10
120
5
200
10
5
2
NH
3
E1125-C
0–500
3
0.1
10
120
5
200
10
5
2
NH
3
E1125-D
0–1000
3
1
10
120
5
200
10
10
2
NH
3
E1125-E
0–5000
2
1
10
40
5
120
10
100
2
NO
E1129-C
0–100
2
0.1
5
20
5
40
5
3
2
NO
2
E1130-A
0–10
5
0.01
2
25
5
-
-
0.2
2
NO
2
E1130-B
0–20
5
0.01
2
25
5
-
-
0.2
2
NO
2
E1130-C
0–30
5
0.01
2
25
5
-
-
0.2
2
NO
2
E1130-E
0–100
5
0.1
2
25
5
120
10
2
2
NO
2
E1130-F
0–5
5
0.001
2
25
5
-
-
0.1
2
VOC
E1160-A
0–10
5
0.01
5
70
5
70
10
0.5
1
VOC
E1160-B
0–5
5
0,001
5
70
5
70
10
0.5
1
HCN
E1183-B
0–50
5
0.01
5
30
5
40
10
2
2
HCN
E1183-C
0–100
5
0.1
5
30
5
60
10
2
2
CH
2
O
E1185-B
0–10
n.d.
0.01
5
60
5
-
-
0.2
2
HCl
E1186-D
0–20
5
0.01
5
60
5
60
15
0.5
2
C
2
H
4
E1189-C
0–200
n.d.
0.1
5
120
5
-
-
5
5
O
3
E1190-A
0–5
n.d.
0.001
5
60
5
-
-
0.1
2
O
3
E1190-B
0–10
n.d.
0.01
5
60
5
-
-
0.2
2
Cl
2
E1193-C
0–10
n.d.
0.01
5
40
5
-
-
0.2
2
Cl
2
E1193-D
0–20
n.d.
0.01
5
40
5
-
-
0.2
2
H
2
E1194-A
0–1000
n.d.
1
5
70
5
90
10
10
2
SO
2
E1196-B
0–20
3
0.01
2
20
5
-
-
0.2
2
H
2
S
E1197-A
0–50
3
0.01
2
25
5
70
10
1
2
H
2
S
E1197-B
0–100
3
0.1
2
25
5
70
10
1
2
H
2
S
E1197-C
0–200
3
0.1
2
25
5
70
10
2
2
H
2
S
E1197-D
0–500
3
0.1
2
25
5
70
10
5
2
H
2
S
E1197-E
0–1500
3
1
5
60
5
90
10
15
2
ETO
E1199-A
0–10
n.d.
0.01
5
150
10
-
-
1
2
1
If stocked for a longer period, we recommend checking the zero point and recalibrating if necessary.
2
Exceeding the measuring range limit will include a risk of damaging the sensor element.