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NE7-H2S-S
Electrochemical Hydrogen Sulfide (H2S) Gas Sensor
Special Low Range

General Description:

The NE7-H2S-S is a new electrochemical gas sensor with 3 electrodes for the detection of Hydrogen Sulfide (H2S) in a variety of industrial and commercial gas detection and Environmental monitoring applications. being able to detect very low ranges of H2S makes it especially useful for odour control applications

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Exhibiting high performance with long-term stability, this compact (32mm dia) sensor is suitable for portable Gas Detection Instruments or Fixed Gas Detection heads.

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 Nemoto's porous electrode technology enables accurate gas detection with high sensitivity. The mechanical design of the sensor gives optimum gas diffusion characteristics, and the hermetically sealed enclosure prevents costly electrolyte leakage.

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Specifications

Detectable Gas:

Detection range:

Maximum overload:

Output current:

Zero Offset (20°C)

Reproducibility:

Output drift in air:

Lowest Detectable Limit

Response time (90%):

Temp. depend. in air:

Expected lifetime:

Hydrogen Sulfide (H2S)

0 – 10 ppm

20 ppm

3,000 +/- 700 nA/ppm

< +/- 0.1 ppm equivalent

+/- 2%

</= 30% / year

0.02 ppm

< 35 seconds

< +/- 2ppm (-20 to 50°C)

>2 years

Operating Conditions

Operating temperature:

Humidity range:

Pressure:

Recommended resistor:

Bias voltage:

-20 +50 degrees C

15 – 90% RH

0.9 – 1.1 atm

10 ohms

Not required

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  •        3-Electrode design for greater stability

  •        Compact, leak-proof enclosure

  •        Resistant to shocks and vibration

  •        Linear output

  •        Highly specific to target gas

  •        Unaffected by humidity

  •        Low Power consumption

  •        Very Low Long term drift

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