Range

Maximum Overload

Resolution

DATA 

Brand

model

0-2ppm

1000ppm

＜

Output Signal:50-80 mV（10Ω，in air）；T90＜20S；2-electrode electrochemical；Not required

CITY

C/NLL

0-25%vol

30%vol

＜

Output Signal:0.10±0.02mA  in air；T90＜15；Expected Operating Life24months；3-electrode electrochemical；Not required

CITY

40XV

＜

Output Signal:0.1±0.03mA；T90＜15；Expected Operating Life24months；3-electrode electrochemical；Not required

DD

40X

＜

Output Signal:0.2±0.03mA；T90＜15；Expected Operating Life24months；3-electrode electrochemical；Not required

DD

70X

＜

Output Signal:0.195-0.25mA  in air；T90＜15；Expected Operating Life24months；3-electrode electrochemical；Not required

CITY

70X-V

＜

Output Signal:0.41±0.05mA  in air；T90＜15；Expected Operating Life24months；3-electrode electrochemical；Not required

CITY

5FO

Output Signal:80-130mA in air；T90＜15；Expected Operating Life 7Year;3-electrode electrochemical；Bias Voltage-600±10mV

CITY

40XLL

0-100%

100%

0.01%

9-13mV in air；T90＜5S；Expected Operating Life 24months；3-electrode electrochemical；Not required

CITY

AO2 （Auto）

1.00%

10-15.5mV,In air 5Year Expected Operating Life

alphasense

KE-25/KE-25F3

2.00%

47-65mV in air,10Year Expected Operating Life

alphasense

KE-50