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TGS2602-B00 High Sensitivity Gas Sensor For Air - Contaminant Detection

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TGS2602-B00 High Sensitivity Gas Sensor For Air - Contaminant Detection

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Model Number : TGS2602 TGS2602-B00

Place of Origin : Japan

MOQ : 1PCS

Price : Negotiable

Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability : 5000PCS

Delivery Time : 5-8 work days

Packaging Details : Standard packaging

Measuring Range : 1 - 30 ppm

Heater Voltage : 5.0 V

Power Consumption : 280 mW

Dimensions : φ9.2×7.8 mm

Weight : 1.1 g

Application : Air quality control

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TGS2602-B00 High Sensitivity Gas Sensor For Air - Contaminant Detection

Sensing Principle:

The sensing element is composed of a metal - oxide semiconductor layer formed on the alumina substrate of a sensing chip and an integrated heater. When the detectable gas exists, the conductivity of the sensor increases with the increase of the gas concentration in the air. A simple electrical circuit can convert the conductivity change into an output signal corresponding to the gas concentration.

Basic Measuring Circuit:

The sensor requires two - voltage inputs, namely heater voltage (VH) and circuit voltage (VC). The heater voltage is applied to the integrated heater, and the circuit voltage is used to measure the voltage across the load resistor connected in series with the sensor. DC voltage is required for the circuit voltage, and the sensor has polarity.

Model TGS2602 - B00
Detection Principle Oxide Semiconductor Type
Standard Package TO - 5 Metal
Target Gas Air Pollutants (VOCs, Ammonia, Hydrogen Sulfide, etc.)
Detection Range 1 - 30 ppm (Ethanol)
Heater Voltage (VH) 5.0±0.2V DC
Circuit Voltage (VC) 5.0±0.2V DC
Maximum Power Consumption (Ps) ≤15mW
Load Resistance (RL) Variable, 0.45kΩ min.
Heater Resistance (RH) Approximately 59Ω at room temperature
Heater Current (IH) 56±5mA
Heater Power Consumption (PH) 280mW (Typical)
Sensor Resistance (RS) 10 - 100kΩ in air
Sensitivity (Change rate of Rs) 0.08 - 0.5 Rs (Ethanol 10ppm, compared with Rs in air)
Test Gas Conditions Normal air, 20±2˚C, 65±5%R.H.
Circuit Conditions Vc = 5.0±0.01V DC, VH = 5.0±0.05V DC
Dimensions φ9.2±0.2mm×7.8±0.5mm
Weight Approximately 1.1g

TGS2602-B00 High Sensitivity Gas Sensor For Air - Contaminant Detection


Product Tags:

high sensitivity gas sensor

      

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