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4h2-40000 Hydrogen Gas Electrochemical Sensor

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HUBEI AERITECH CO., LTD.

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Hubei, China
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Model NO.:

4H2-40000

Type:

Infrared Gas Sensor

Conductivity Type:

Surface Type

Output Signal Type:

Analog Type

Production Process:

Integration

Material:

Plastic

IP Rating:

IP65

Sensitivity:

Medium

Certification:

RoHS

Customized:

Customized

Operating Principle:

3-Electrode Electrochemical

3-Electrode Electrochemical:

0~40000 Ppm

Maximum Overload:

200 Ppm

Response Time (T90):

≤120 S

Repeatability:

<±2% Signal

Linearity:

Linear

Long Term Output Drift:

<2% Signal/Month

Trademark:

AERI

Transport Package:

Packing Bottle

Specification:

30ml

Origin:

China

HS Code:

4204960212

Product Description

4H2-40000 Hydrogen Electrochemical Sensor
(P/N: SEC-4H2-40000)

Technical Specifications
MEASUREMENT
Operating Principle		3-electrode electrochemical
Detection Range		0~40000 ppm
Maximum Overload		200 ppm
Sensitivity		1.5 ± 0.7 nA/ppm
Response Time (T90)		≤120 s
Repeatability		<±2% signal
Linearity		Linear
Long term output Drift		<2% signal/month
ELECTRICAL
Resolution	200 ppm
Recommended Load	5~35
Bias Voltage	0 mV
ENVIRONMENTAL
Operating Temp. Range	-20°C ~ 50°C
Operating Humidity Range	15% RH ~ 90% RH non-condensing
Operating Pressure Range	800 ~ 1200 mbar
LIFETIME
Recommended Storage Temp.	0°C to +20°C in sealed container
Expected Operating Life	24 months in air
Storage Life	6 months in original packaging
Standard Warranty	12 months

Product Dimensions

All dimensions in millimeters (± 0.1mm)

Temperature Data
Baseline drift
Sensitivity Temperature Dependence

Cross-sensitivity Data
Gas	Concentration(ppm)	Output signal (ppm H2 equivalent)
Hydrogen sulfide	5000	0
Sulfur Dioxide	10000	0
Chlorine	5000	0
Nitrogen Monooxide	20000	0
Nitrogen Dioxide	10000	0
Carbon Monoxide	50000	0
Acetylene	10000	0
Ammonia	10000	0
Hydrochloric acid	5000	0
Hydrogen cyanide	5000	0
Ethylene	5000	10580
Hydrogen Fluorid	5000	2200

Whilst the Gas Sensor are designed to be highly specific to the gas they are intended to measure, they will still respond to some degree to various gases. The table below is not exclusive and other gases not included in the table may still cause a sensor to react. The cross-sensitivity values quoted are based on tests conducted on a small number of sensors. They are intended to indicate sensor response to gases other than the target gas. Sensors may behave differently with changes in ambient conditions and any batch may show significant variation from the values quoted.
SAFETY NOTE:
Connection should be made via a PCB mounting socket. Soldering to pins will void the sensor's warranty.
It is important that exposure to high concentrations of solvent vapours is avoided, both during storage, fitting into instruments, and operation;
If the Gas Sensor is removed from application circuit, a jumper should be added on 'R' and 'S' pin.
As applications of use are outside our control, the information provided is given without legal responsibility. Customers should test under their own conditions, to ensure that the sensors are suitable for their own. The data is given for guidance only. It does not constitute a specification or an offer for sale.