Det-Tronics TXL Series Gas Transmitter User Manual
Page 7
MODEL TXL-SO2
MEASUREMENT RANGE—
0-20 PPM standard (other ranges are field selectable).
ACCURACY—
±0.2 PPM or ±10% of applied gas concentration.
LINEARITY—
>10% full scale.
REPEATABILITY—
<±3%.
RESPONSE TIME—
T90 < 20 seconds.
SENSOR CROSS SENSITIVITY—
See Table 6.
TEMPERATURE RANGE—
–20°C to +50°C (–4°F to +122°F).
HUMIDITY RANGE—
15 to 90% (non-condensing).
WARRANTY—
2 years.
MODEL TXL-HCN
MEASUREMENT RANGE—
0-50 PPM standard (other ranges are field selectable).
ACCURACY—
±2 PPM or ±10% of applied gas concentration.
LINEARITY—
>10% full scale.
REPEATABILITY—
<±3%.
RESPONSE TIME—
T90 < 20 seconds.
SENSOR CROSS SENSITIVITY—
See Table 7.
TEMPERATURE RANGE—
–15°C to +40°C (+5°F to +104°F).
HUMIDITY RANGE—
15 to 90% (non-condensing).
WARRANTY—
1 year.
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95-8541
1.1
Gas
Level
Reading
Carbon Monoxide
300 ppm
<3 ppm
Hydrogen Sulfide
15 ppm
0
Nitric Oxide
35 ppm
0
Nitrogen Dioxide
5 ppm
–5 ppm
Table 6—Cross Sensitivity of SO
2
Sensor
Gas
Level
Reading
Carbon Monoxide
1000 ppm
0
Carbon Dioxide
5000 ppm
0
Hydrochloric Acid
5 ppm
0
Phosphine
300 ppb
0
Chlorine
5 ppm
–1
Hydrogen
1%
0
Hydrogen Sulfide
10 ppm
0
Nitrogen
100%
0
Hydrogen Fluoride
3 ppm
0
Alcohols
1000 ppm
0
Table 7—Cross Sensitivity of HCN Sensor