Range

Maximum Overload

Resolution

DATA 

Brand

model

0-30ppm

30ppm

＜0.2ppm

Output Signal:60nA ppm±15nA/ppm；T90＜50S；Expected Operating Life>18months；3-electrode electrochemical；Not required

CITY

HCN

3E30 F

0-50ppm

100ppm

0.5ppm

Output Signal:0.10±0.02μA/ppm；T90＜200S；Expected Operating Life>24months；3-electrode electrochemical；Not required

CITY

4HN

0.2ppm

Output Signal:0.1±0.02μA/ppm；T90＜120S;Expected Operating Life24months；3-electrode electrochemical；Not required

SolidsenS

4HCN-50/7HCN-50

0-100ppm

200ppm

0.5ppm

Output Signal:0.10±0.02μA/ppm；T90＜200S；Expected Operating Life>24months；3-electrode electrochemical；Not required

CITY

7HCN/

3HCN

150ppm

0.05ppm

Output Signal:60-80nA/ppm；T90＜45S；Expected Operating Life>24months；3-electrode electrochemical；Not required

alphasense

HCN-A1

200ppm

0.05ppm

Output Signal:80-120nA/ppm；T90＜70S；Expected Operating Life>24months；3-electrode electrochemical；Not required

alphasense

HCN-B1