Range

Maximum

Overload

Resolution

DATA 

Brand

model

0-1000ppm

2000ppm

2ppm

Output Signal:0.015±0.01μA/ppm；T90＜90S；Expected Operating Life>24months；3-electrode electrochemical；Not required

CITY

4HYT/7HYT

10ppm

Output Signal:0.02±0.01μA/ppm；T90＜70S；Expected Operating Life>24months；3-electrode electrochemical；Not required

SolidsenS

4H2-1000

0-2000ppm

5000ppm

0.5ppm

Output Signal:12to18nA/ppm ； T90＜100S；Expected Operating Life>24months；3-electrode electrochemical；

alphasense

H2-AF

0-10000ppm

20000ppm

2ppm

Output Signal:12to25nA/ppm ； T90＜100S；Expected Operating Life>24months；3-electrode electrochemical；

alphasense

H2-BF

0-1%

＜20ppm

Output Signal:10nA/ppm±5nA/ppm；T90＜70S；Expected Operating Life>24months；3-electrode electrochemical；Not required

CITY

H2 3E 1

0-40000ppm

40000ppm

80ppm

Output Signal:0.007±0.002μA/ppm；T90＜60S；Expected Operating Life24months；3-electrode electrochemical；Not required

SolidsenS

4H2-40000

10ppm

Output Signal:5.5±2nA/ppm；  T90＜40S；Expected Operating Life>24months；3-electrode electrochemical；Not required

Membrapor

H2/CT-40000

0-4%

100%LEL

＜100ppm

Output Signal:1nA/ppm±0.5nA/ppm；T90＜70S；Expected Operating Life>24months；3-electrode electrochemical；Not required

CITY

H2 3E 4%

30-1000ppm

Semiconductor ，Transformer maintenance; Batteries; Steel industry usage

FIGARO

TGD821