Range

Maximum Overload

Resolution

DATA 

Brand

model

0-30ppm

30ppm

＜0.1ppm

Output Signal:100nA/ppm±30nA/ppm；T90＜30S；Expected Operating Life>18months；3-electrode electrochemical；Not required

CITY

H2S 3E 30

0-50ppm

50ppm

＜0.25ppm

Output Signal:0.37±0.07μA/ppm；T90＜30S；Expected Operating Life>18months；3-electrode electrochemical；Not required

SolidsenS

7H2S-50

250ppm

0.03ppm

Output Signal:950-1400nA/ppm；T90＜25S；Expected Operating Life>48months；3-electrode electrochemical；Not required 

alphasense

H2S-AH

(big

current )

200ppm

0.02ppm

Output Signal:1500-2000nA/ppm；T90＜30S；Expected Operating Life>48months；3-electrode electrochemical；Not required

alphasense

H2S-BH

(7,big

current )

500ppm

0.1ppm

Output Signal:1.70±0.30μA/ppm；T90＜30S；Expected Operating Life>12months；3-electrode electrochemical；Not required

CITY

3HH

Output Signal:1.70±0.30μA/ppm；T90＜30S；Expected Operating Life>24months；3-electrode electrochemical；Not required

CITY

7HH

Output Signal:1700±400nA/ppm；T90＜40S；Expected Operating Life>24months；3-electrode electrochemical；Not required

SGX

7H2SHO

0-100ppm

100ppm

＜0.3ppm

Output Signal:750nA/ppm±150nA/ ppm；T90＜30S；Expected Operating Life>48months；3-electrode electrochemical；Not required

CITY

H2S 3E 100

500ppm

＜0.1ppm

Output Signal:0.7±0.15μA/ppm；T90＜20S；Expected Operating Life>24months；3-electrode electrochemical；Not required

CITY

4HS+

0.1ppm

Output Signal:0.8±0.20μA/ppm；T90＜30S；Expected Operating Life24months；3-electrode electrochemical；Not required

SolidsenS

4H2S-100

＜0.1ppm

Output Signal:700±250nA/ppm；T90＜30S；Expected Operating Life>24months；3-electrode electrochemical；Not required

SGX

4H2S

＜0.1ppm

Output Signal:1200±250nA/ppm；T90＜30S；Expected Operating Life>24months；3-electrode electrochemical；Not required

SGX

4H2SHO

0.05ppm

Output Signal:550-875nA/ppm；T90＜25S；Expected Operating Life>48months；3-electrode electrochemical；Not required 

alphasense

H2S-A1 

0-200ppm

1000ppm

0.25ppm

Output Signal:0.37±0.07μA/ppm；T90＜35S；Expected Operating Life>24months；3-electrode electrochemical；Not required

CITY

7H

Output Signal:0.37±0.07μA/ppm；T90＜30S；Expected Operating Life>24months；3-electrode electrochemical；Not required

SolidsenS

7H2S-200

＜0.2ppm

Output Signal:370±100nA/ppm；T90＜40S；Expected Operating Life>24months；3-electrode electrochemical；Not required

DD

7H2S

500ppm

0.05ppm

Output Signal:300-440nA/ppm；T90＜35S；Expected Operating Life>48months；3-electrode electrochemical；Not required

alphasense

H2S-B1

0-1000ppm

2000ppm

1ppm

Output Signal:0.09±0.04μA/ppm；T90＜45；Expected Operating Life24months；3-electrode electrochemical；Not required

SolidsenS

4H2S-1000

0-2000ppm

0.5ppm

Output Signal:80-115nA/ppm；T90＜35S；Expected Operating Life48months；3-electrode electrochemical；Not required

alphasense

H2S-BE

0-5000ppm

5ppm

Output Signal:15±5nA/ppm；T90＜35S；Expected Operating Life24months；3-electrode electrochemical；Not required

Membrapor

H2S/C-5000

5-100ppm

Semiconductor，Ammonia leak detection in refrigerators

Ventilation control for agricultural and poultry industries 

FIGARO

TGS2444