Sensor Data

Factory-set Alarm Thresholds and Setpoints

Sensor

Low Alarm Set Point

High Alarm -Setpoint

Minimum Alarm -Setpoint

Maximum Alarm -Setpoint

STEL

TWA

CO Carbon Monoxide

25 ppm

100 ppm

10 ppm

1700 ppm

100 ppm

25 ppm

CO Carbon Monoxide High Concentration

25 ppm

100 ppm

10 ppm

8500 ppm

100 ppm

25 ppm

H2S Hydrogen Sulfide

10 ppm

15 ppm

5 ppm

175 ppm

15 ppm

10 ppm

H2S Low Concentration

(CO/H2S-LC sensor)

5.0 ppm

10.0 ppm

1.0 ppm

70.0 ppm

10.0 ppm

1.0 ppm

H2S Low Concentration

(H2S-LC/SO2 sensor)

10.0 ppm

15.0 ppm

1.0 ppm

70.0 ppm

15.0 ppm

10.0 ppm

Cl2 Chlorine

0.5 ppm

1.0 ppm

0.3 ppm

7.5 ppm

1.0 ppm

0.5 ppm

NH3 Ammonia

25 ppm

50 ppm

10 ppm

75 ppm

35 ppm

25 ppm

NO2 Nitrogen Dioxide

2.5 ppm

5.0 ppm

1.0 ppm

47.5 ppm

5.0 ppm

2.5 ppm

SO2 Sulphur Dioxide

2.0 ppm

5.0 ppm

1.0 ppm

17.5 ppm

5.0 ppm

2.0 ppm

Performance Specifications

Sensor

Range

Resolution

Reproducibility

Normal -Temperature Range

Extended -Temperature Range

CO Carbon -Monoxide

0-1999 ppm

1 ppm

+/-5 ppm or 10% of reading, whichever is greater

+/-10 ppm or 20% of reading, whichever is greater

CO Carbon -Monoxide

High -Concentration

0-9999 ppm

5 ppm

+/-10 ppm or 10% of reading, whichever is greater

+/-25 ppm or 20% of reading, whichever is greater

H2S Hydrogen Sulfide

0-200 ppm

1 ppm

+/-2 ppm or 10% of reading, whichever is greater

+/-5 ppm or 20% of reading, whichever is greater

H2S Low Concentration (CO/H2S-LC -sensor)

0-100.0 ppm

0.1 ppm

+/-2 ppm or 10% of reading, whichever is greater

+/-5 ppm or 20% of reading, whichever is greater

H2S Low Concentration (H2S-LC/SO2 -sensor)

0-100.0 ppm

0.1 ppm

+/-2 ppm or 10% of reading, whichever is greater

+/-5 ppm or 20% of reading, whichever is greater

Cl2 Chlorine

0-10.0 ppm

0.05 ppm

+/-0,2 ppm or 10% of reading, whichever is greater

+/-0,5 ppm or 20% of reading, whichever is greater

NH3 Ammonia

0-100 ppm

1 ppm

+/-2 ppm or 10% of reading, whichever is greater

+/-5 ppm or 20% of reading, whichever is greater

NO2 Nitrogen -Dioxide

0-50.0 ppm

0.1 ppm

+/-2 ppm or 10% of reading. whichever is greater

+/-3 ppm or 20% of reading, whichever is greater

SO2 Sulphur -Dioxide

0-20.0 ppm

0.1 ppm

+/-2 ppm or 10% of reading, whichever is greater

+/-3 ppm or 20% of reading, whichever is greater

Calibration Specifications

Sensor

Response Time (-Typical) t[90]

Zero Gas

Zero Cal Value

Calibration Gas Concentration

Span Cal Time [min]

CO Carbon Monoxide

<15 s

Fresh Air

0 ppm

60 ppm

1

H2S Hydrogen Sulfide

<15 s

Fresh Air

0 ppm

20 ppm

1

Cl2 Chlorine

<30 s

Fresh Air

0 ppm

10 ppm

2

NH3 Ammonia

<40 s

Fresh Air

0 ppm

25 ppm

2

NO2 Nitrogen Dioxide

<15 s

Fresh Air

0 ppm

10 ppm

2

SO2 Sulphur -Dioxide

<15 s

Fresh Air

0 ppm

10 ppm

1