TanGO TX1 - Page 14

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Table 1.5 Sensor specifications
Gas type (abbreviation)
Part Number
Hydrogen Sulfide (H
2
S)
17155164
17155164A
c
Properties
Category
Toxic
Technology
Electrochemical
DualSense
®
capable
Yes
Operating conditions
Temperature range
a
-40 to +50 °C
(-40 to +122 °F)
RH range
a
15–90%
Performance
Sensitivity
Measurement range
0–500 ppm
Measurement resolution
0.1 ppm
Lower limit
0.5 ppm
Over-range limit
500 ppm
Under-range limit
-10 ppm
Dead band
± 0.5 ppm
Calibration
Calibration gas and concentration/balance gas
e
25 ppm H
2
S/N
2
Calibration gas flow rate
0.5 L/m ± 10%
Accuracy
b
Accuracy at time and temperature of calibration
± 5%
Accuracy over sensor’s full temperature range
± 35% (-40 to -11 °C)
± 15% (-10 to 40 °C)
± 35% (41 to 50 °C)
Accuracy over sensor’s full humidity range
± 15%
Response Time
d
T50
11 s
T90
19 s
Recovery Time
d
T50
11 s
T10
18 s
Warm up Time
40 s
Time to Alarm
-40 °C
≤ 23 s
≥ -10 °C
≤ 16 s