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10 Piece Minimum Order
بلد:
China
نموذج رقم:
TGS2600
سعر فوب:
الموقع:
-
سعر الحد الأدنى للطلب:
-
الحد الأدني للطلب:
10 Piece
تفاصيل التغليف:
Standard package TO-5 metal can
موعد التسليم:
2-7 Working Days After Payment Received
القدرة على التوريد:
30000 Piece per Month
نوع الدفع:
T/T, PayPal
مجموعة المنتج :
China
الشخص الذي يمكن الاتصال به Ms. yan
28 Floor, Building #3, Zhongke Mansion, Gaoxin South 1st Rd, Hi-Tech Park, Nanshan, Shenzhen, Guangdong
TGS ***0 - for the detection of Air
Contaminants
1.Product Description:
The sensing element is comprised of a metal oxide semiconductor layer formed on an alumina substrate of a sensing chip together with an integrated heater.
In the presence of a detectable gas,
the sensor's conductivity increases depending on the gas
concentration in the air.
A simple electrical circuit can convert the change in conductivity
to an output signal which corresponds to the gas concentration.
The TGS ***0 has high sensitivity to low concentrations of gaseous
air contaminants such as hydrogen and carbon monoxide which exist
in cigarette smoke.
The sensor can detect hydrogen at a level of several ppm.
Due to miniaturization of the sensing chip, TGS ***0 requires a
heater current of only *2mA and the device is housed in a standard
TO*5 package.
2.Main
Application:
* Air cleaners
* Ventilation control
* Air quality monitors
3.Main
Features:
* Low power consumption
* High sensitivity to gaseous
air contaminants
* Long life and low cost
* Uses simple electrical circuit
* Small size
4.Sensitivity
Characteristics:
The figure below represents typical
sensitivity characteristics,
all data having been gathered at standard test conditions (see
reverse side of this sheet). The Y-axis is indicated as sensor
resistance ratio (Rs/Ro) which is defined as follows:
Rs = Sensor resistance in displayed gases at
various concentrations
Ro = Sensor resistance in fresh air
5. Temperature/Humidity
Dependency:
The figure below represents typical
temperature and humidity
dependency characteristics. Again, the Y-axis is indicated as
sensor resistance ratio (Rs/Ro), defined as follows:
Rs = Sensor resistance in fresh air
at various temperatures/humidities
Ro = Sensor resistance in fresh air
at *0°C and *5% R.H.
6.Basic Measuring
Circuit:
The sensor requires two voltage s:
heater voltage (V H ) and circuit voltage(V C ).
The heater voltage (V H ) is applied to the integrated heater
in order to
maintain the sensing element at a specific temperature which
is optimal
for sensing. Circuit voltage (V C ) is applied to allow
measurement of voltage
(V OUT ) across a load resistor (R L ) which is connected in
series with the sensor.
DC voltage is required for the circuit.
voltage since the sensor has a polarity.
A common power supply circuit can be used for both V C and V H
to fulfill the
sensor's electrical requirements. The value of the load
resistor (R L ) should be
chosen to optimize the alarm threshold value, keeping power
consumption (P S )
of the semiconductor below a limit of *5mW. Power consumption
(P S ) will be
highest when the value of Rs is equal to R L on exposure
to gas.
More detail please add skype: isweek_Sara or contacted with Sara,
THX.
بلد: | China |
نموذج رقم: | TGS2600 |
سعر فوب: | أحصل على آخر سعر |
الموقع: | - |
سعر الحد الأدنى للطلب: | - |
الحد الأدني للطلب: | 10 Piece |
تفاصيل التغليف: | Standard package TO-5 metal can |
موعد التسليم: | 2-7 Working Days After Payment Received |
القدرة على التوريد: | 30000 Piece per Month |
نوع الدفع: | T/T, PayPal |
مجموعة المنتج : | Gas sensor |