Gas / Sensor

Measuring Range

Default Resolution

High Resolution

TWA

STEL

LOW

HIGH

O2

0-30.0 %

0.50%

N/A

N/A

N/A

19.5

23.5

H2S

0-500 ppm

1.0 ppm

N/A

10

15

10

15

CO

0-999 ppm

1.0 ppm

N/A

35

50

35

200

TwinTox(H2S)

0-500 ppm

1.0 ppm

N/A

10

15

10

15

TwinTox(CO)

0-500 ppm

1.0 ppm

N/A

35

50

35

200

PH3

0-5.0 ppm

1.0 ppm

0.1 ppm

0.3

1.0

0.3

1.0

SO2

0-150 ppm

1.0 ppm

0.1 ppm

2

5

2

5

NO2

0-99.9 ppm

1.0 ppm

0.1 ppm

2.0

5.0

2.0

5.0

HCN

0-30.0 ppm

1.0 ppm

0.1 ppm

4.7

10.0

4.7

10.0

CI2

0-50.0 ppm

1.0 ppm

0.1 ppm

0.5

1.0

0.5

1.0

NH3

0-100 ppm

1.0 ppm

0.1 ppm

25

35

25

50

CIO2

0-1.00 ppm

0.1 ppm

0.01 ppm

0.1

0.3

0.1

0.3

O3

0-1.00 ppm

0.1 ppm

0.01 ppm

0.1

0.1

0.1

0.1

CO2 / IR

0-50,000 ppm

0-5.0% v/v

50 ppm

0.01%

N/A

2,000

0.5%

30,000

3.0%

5,000

0.5%

30,000

3.0%

VOC / PID

0-1000 ppm

1 ppm

N/A

N/A

N/A

50

100

LEL

0-100% LEL

0-5.0% v/v

1%

0.1%

N/A

N/A

N/A

10%

0.5%

20%

1.0%