Range

Maximum Overload

Resolution

DATA 

Brand

model

0-300ppm

300ppm

＜2ppm

Output Signal:70nA/ppm±20nA/ppm；T90＜10S；Expected Operating Life>36months；3-electrode electrochemical；Not required

CITY

CO 3E 300

0-500ppm

500ppm

＜3ppm

Output Signal:70nA/ppm±20nA/ppm；T90＜30S； Expected Operating Life  24months；3-electrode electrochemical；Not required

CITY

CO 3E 500

1000ppm

＜1ppm

Output Signal:50±20nA/ppm；T90＜30S；Expected Operating Life24months；3-electrode electrochemical；Not required

DD

4CO2H

2000ppm

1ppm

Output Signal:0.07±0.015μA/ppm；T90＜20S；Expected Operating Life24months；3-electrode electrochemical；Not required

CITY

4CF+

Output Signal:0.07±0.015μA/ppm；T90＜30S；  Expected Operating Life24months；3-electrode electrochemical；Not required

SolidsenS

4CO-500

Output Signal:220-375nA/ppm；T90＜20S；Expected Operating Life48months；3-electrode electrochemical；Not required

alphasense

CO-A4

0-1000ppm

1000ppm

＜5ppm

Output Signal:20±10nA/ppm；T90＜40S；Expected Operating Life>24months；3-electrode electrochemical；Not required

SGX

4COHC

2000ppm

0.5ppm

Output Signal:0.10±0.02μA/ppm；T90＜30S；Expected Operating Life36months；3-electrode electrochemical；Not required

CITY

7EF/F

Output Signal:0.085±0.025μA/ppm；T90＜30S；Expected Operating Life24months；3-electrode electrochemical；Not required

SolidsenS

7CO-1000

Output Signal:100±20nA/ppm；T90＜30S；Expected Operating Life>24months；3-electrode electrochemical；Not required

SGX

7CO

Output Signal:420-650nA/ppm；T90＜30S；Expected Operating Life48months；3-electrode electrochemical；Not required

alphasense

CO-B4

0-2000ppm

2000ppm

＜1ppm

Output Signal:70±15nA/ppm；T90＜30S；Expected Operating Life24months；3-electrode electrochemical；Not required

CITY

4CM

5000ppm

10ppm

Output Signal:0.028±0.01μA/ppm；T90＜30S；Expected Operating Life24months；3-electrode electrochemical；Not required

SolidsenS

4CO-2000

＜0.5ppm

Output Signal:70±20nA/ppm；T90＜10S；Expected Operating Life24months；3-electrode electrochemical；Not required

DD

4CO

0-4000ppm

20000ppm

1ppm

Output Signal:0.030±0.006μA/ppm；T90＜30S；Expected Operating Life36months；3-electrode electrochemical；Not required

CITY

3F/F

0-5000ppm

10000ppm

0.5ppm

Output Signal:55-90nA/ppm；T90＜30s；Expected Operating Life48months；3-electrode electrochemical；Not required

alphasense

CO-CF

0.5ppm

Output Signal:80-130nA/ppm；T90＜25s；Expected Operating Life48months；3-electrode electrochemical；Not required

alphasense

CO-BF

0-10000ppm

100000ppm

5ppm

Output Signal:12-20nA/ppm；T90＜75s；Expected Operating Life48months；3-electrode electrochemical；Not required 

alphasense

CO-AE 

1-1000ppm

1.2-50ppm

Ammonia leak detection in refrigerators;

Ventilation control for the agricultural and poultry industries，Semiconductor

SGX

MICS-5524

30-1000ppm

Ammonia leak detection in refrigerators;

Ventilation control for the agricultural and poultry industries，Semiconductor

FIGARO

TGS826