Det-Tronics GT3000 Series, Инструкция по эксплуатации

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12.4 95-8616
APPENDIX E
SENSOR COMPARISON/CROSS SENSITIVITY
Electrochemical Gas Sensors
1
Time to reach percentage of final reading when gas concentration equal to full scale is applied to sensor.
2
Background concentrations of ammonia may shorten lifetime of sensor.
3
Sensor approved for oxygen depletion (< 21% V/V) only.
4
Factory Mutual Performance Approved.
5
Oxygen sensor will indicate a fault if <1% volume oxygen is detected
Gas Range
Response
Time
1
Accuracy of
Reading
(Whichever
is Greater)
Operating
Temperature Range
Zero Drift
Performance
Approved Standard
Hydrogen Sulfide
(H
2
S)
0-20 PPM
T20 = ≤7 Sec
T50 = ≤10 Sec.
T90 = ≤16 Sec.
±2 ppm or
±10% of Reading
–40°C to +50°C ± 1 ppm/Mo. ISA 92.00.01
4
Hydrogen Sulfide
(H
2
S)
0-50 PPM
T20 = ≤4 Sec
T50 = ≤7 Sec.
T90 = ≤16 Sec.
±2 ppm or
±10% of Reading
–40°C to +50°C ± 1 ppm/Mo. ISA 92.00.01
4
Hydrogen Sulfide
(H
2
S)
0-100 PPM
T20 = ≤5 Sec
T50 = ≤8 Sec.
T90 = ≤21 Sec.
±2 ppm or
±10% of Reading
–40°C to +50°C ± 2 ppm/Mo. ISA 92.00.01
4
Hydrogen
(H
2
S+)
0-20 PPM
T20 = ≤10 Sec
T50 = ≤13 Sec.
T90 = ≤23 Sec.
±2 ppm or
±10% of Reading
–40°C to +55°C ± 1 ppm/Mo. ISA 92.00.01
4
Hydrogen
(H
2
S+)
0-50 PPM
T20 = ≤6 Sec
T50 = ≤9 Sec.
T90 = ≤15 Sec.
±2 ppm or
±10% of Reading
–40°C to +55°C ± 1 ppm/Mo. ISA 92.00.01
4
Hydrogen
(H
2
S+)
0-100 PPM
T20 = ≤6 Sec
T50 = ≤8 Sec.
T90 = ≤15 Sec.
±2 ppm or
±10% of Reading
–40°C to +55°C ± 2 ppm/Mo. ISA 92.00.01
4
Ammonia (NH
3
) 0-100 PPM
2
T50 = 24 Sec.
T90 = 65 Sec. ±4 ppm or
±10% of Reading
–20°C to +40°C ± 2 ppm/Mo. FM6340
4
Ammonia (NH
3
) 0-500 PPM
2
T50 = 30 Sec.
T90 = 120 Sec.
±4 ppm or
±10% of Reading
–20°C to +40°C ± 10 ppm/Mo. Det-Tronics Verified
Oxygen (O
2
) 5 1-25% V/V
3
T20 = 7 Sec.
T90 = 30 Sec.
< 0.5% V/V –20°C to +50°C < 2 %/Mo. EN 50104
4
Carbon
Monoxide (CO)
0-100 PPM
T50 = 15 Sec.
T90 = 40 Sec. ±5 ppm or
±10% of Reading
–20°C to +50°C ± 2 ppm/Mo. ISA 92.00.01
4
Carbon
Monoxide (CO)
0-500 PPM
T50 = 12 Sec.
T90 = 25 Sec. ±5 ppm or
±10% of Reading
–20°C to +50°C ± 9 ppm/Mo. ISA 92.00.01
4
Sulfur
(SO
2
+)
0-20 PPM
T50 = 12 Sec.
T90 = 30 Sec. ±0.6 ppm or
±10% of Reading
–40°C to +55°C ± 0.4 ppm/Mo. Det-Tronics Verified
Sulfur
(SO
2
+)
0-100 PPM
T50 = 15 Sec.
T90 = 35 Sec. ±0.6 ppm or
±10% of Reading
–40°C to +55°C ± 0.4 ppm/Mo. Det-Tronics Verified
Chlorine
(Cl
2
)
0-10 PPM
T50 = ≤14 Sec.
T90 = ≤34 Sec. ±0.6 ppm or
±10% of Reading
–20°C to +50°C < 0.2 ppm/Mo. FM6340
4
Hydrogen
(H
2
)
0-1,000 PPM
T50 = 8 Sec.
T90 = 60 Sec.
±50 ppm or
±10% of Reading
–20°C to +40°C ± 20 ppm/Mo. Det-Tronics Verified
Nitrogen Dioxide
(NO
2
)
0-20 PPM
T50 = 7 Sec.
T90 = 31 Sec.
±2 ppm or
±10% of Reading
–20°C to +40°C ± 0.1 ppm/Mo. Det-Tronics Verified