Winsen ME3-O3 Gas Sensor

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SKU: rz24313584 Category: Gas and Dust Sensor

Description

ME3-O3 electrochemical sensor detect gas concentration by measuring current based on the
electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the
working electrode inside the electrolytic cell, the current produced in electrochemical reaction of the
target gas are in direct proportion with its concentration while following Faraday law, then concentration
of the gas could be get by measuring value of current

Winsen Electronics, manufacture and provide ozone/ O3 gas sensor, based on the electrochemical principle, industrial and environmental protection fields.
ME3-O3 electrochemical sensor detect gas concentration by measuring current based on the electrochemical principle, which utilizes the electrochemical oxidation process of target gas on the working electrode inside the electrolytic cell, the current produced in electrochemical reaction of the target gas are in direct proportion with its concentration while following Faraday law, then concentration of the gas could be get by measuring value of current.

Applications:

Widely used in industrial and environmental protection fields

Features:

Low consumption
High precision
High sensitivity
Wide linear range
Good anti-interference ability
Excellent repeatability and stability

Specifications:

Detection gas: O3
Measurement Range: 0～20ppm
Max detecting concentration: 100ppm
Sensitivity:（0.60±0.15）µA/ppm
Resolution ratio: 0.2ppm
Response time: (T90) ≤120S
Bias voltage: 0mV
Load resistance: 10Ω（recommended）
Repeatability: ＜5﹪output value
Stability（／month):＜2﹪
Output Linearity: linear
Zero drift（-20℃～40℃): 0.2ppm
Storage temperature: -20℃～50℃
Storage Humidity: 15﹪～90﹪RH
Pressure range: Standard atmosphere
pressure: ±10%
Anticipated using life: 2 years (In air）

Packages Includes:

1 x Winsen ME3-O3 Gas Sensor

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Shipping & Delivery

Shipping and Delivery Policy

1. Shipping Process:

Orders are processed within 1-2 business days after payment confirmation.
Delivery time varies based on location and selected shipping method, typically ranging between 3-7 business days.
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6. No Return Policy for Opened/Soldered Products:

We do not accept returns for products that have been opened, used, or soldered.
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7. Refund Policy:

Refunds will be issued only for canceled orders before shipment or wrong/damaged items received (subject to investigation).
No refunds or replacements for products that have been tampered with, soldered, or physically damaged by the customer.

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Detection range	0~100%
Working Pressure Range	0.5~2.0Bar
Working Voltage	3.3～5.5V DC
Output Signal	I2C , UART (0~3V) , analog voltage
Lifespan	＞2 years (in air)
Working Humidity Range	0-99% RH (non-condensing)
Working Temperature Range (°C)	-20°C ~ +50°C
Product Dimensions	32mm x 27mm/1.26 x 1.06 inch
Response Time ( μS)	＜5S
Mounting Holes Diameter (mm)	inner diameter 3.1mm(0.12 inch)/outer diameter 6mm(0.24 inch)

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PH2.0	Interface(3 foot patch)
Module Power	+5.00V
Working Temperature Range (°C)	5-70℃
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Measuring Range	– 2000mV—2000mV
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Circuit Voltage	5.0±0.2V DC
Heater Current	56±5mA
Minimum impedance between Pin#2,3 and GND	2.5MΩ
Operating conditions	0˚~40˚C , 30~95%RH
Temperature differential between inside and outside detector casing	≤10˚C max. (see NOTE 1)
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Load Resistance	variable 0.45kΩ min.
Heater Resistance (Ω)	approx 83Ω at room temp. (typical)
Heater current (mA)	42±4mA
Heater power consumption (mW)	210
Sensor Resistance (kΩ)	10kΩ ~ 90kΩ in air
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Heater Resistance	approx 59Ω at room temp.
Heater Voltage	5.0±0.2V DC
Load Resistance	variable 0.45kΩ min
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Circuit Voltage	5.0±0.2V DC
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Standard Package	TO-5 metal can
Target Gases	Butane , LP gas
Test Gas Conditions	iso-butane in air at 20±2˚C , 65±5%RH
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