Det-Tronics TXL Series Gas Transmitter User Manual
Page 4
CONNECTIONS—
Screw terminal.
CALIBRATION—
1-person, non-intrusive magnetic switch on cover.
ENCLOSURE—
NEMA 4, epoxy-coated aluminum enclosure.
SENSOR HOUSING—
Aluminum standard (stainless steel option available).
DIMENSIONS—
4.65" W x 4.5" H x 2.2" D.
SHIPPING WEIGHT—
1 lb (0.5 kg).
CERTIFICATION—
UL approved when properly installed for:
Class I, Groups A, B, C and D;
Class II, Groups E, F and G;
Class III.
CE and DEMKO approvals.
IS BARRIER—
Voc ≤ Vmax = 30 vdc,
Isc ≤ Imax = 125 ma,
Ca ≥ Ci + C cable,
La ≥ Li + L cable.
Suggested barrier models 9002/13-280/110/00 or
9002/13-252/121/04 manufactured by R. Stahl, Inc.
MODEL TXL-H2S
MEASUREMENT RANGE—
0-500 PPM standard (other ranges are field selectable).
ACCURACY—
±2 PPM or ±10% of applied gas concentration.
LINEARITY—
±5%.
REPEATABILITY—
±5%.
RESPONSE TIME—
T90 < 20 seconds.
SENSOR CROSS SENSITIVITY—
See Table 1.
TEMPERATURE RANGE—
–20°C to +50°C (–4°F to +122°F).
HUMIDITY RANGE—
15 to 90% (non-condensing).
WARRANTY—
2 years.
2
95-8541
1.1
Gas
Level
Reading
Carbon Monoxide
50 ppm
0
Hydrogen Sulfide
10 ppm
10
Sulfur Dioxide
2 ppm
0
Nitrogen Dioxide
3 ppm
0
Nitric Oxide
25 ppm
0
Chlorine
0.5 ppm
0
Hydrogen
100 ppm
0
Ethylene
100 ppm
0
Carbon Dioxide
5000 ppm
0
Ammonia
50 ppm
0
Table 1—Cross Sensitivity of H
2
S Sensor