Winsen MP-3B Flat Surfaced Alcohol Sensor

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SKU: rz24313530 Category: Gas and Dust Sensor

Description

MP-3B model with advanced planar construction is comprised of heater and metal oxide semiconductor material of subminiature Al2O3 ceramic plate, fetch out electrode down-lead, encapsulation in metal base and cap. When the target gas (alcohol) exists , The sensor’s conductivity is more higher along with the gas concentration rising. Please use simple electro circuit, Convert change of conductivity to correspond output signal of gas concentration.

Applications:

It is Used for detecting whether the driver and other people who drink alcohol, or detecting whether ethanol steamy exist in other places.

Feature:

Lower consumption
Small size
Fast response and resume
Highest sensitivity
Excellent stability and long life
Easy circuit and big signal output
Excellent selectivity
Heater consumption PH: ≤350mW

Specifications:

Model: MP-3B
Sensor Type: Flat surfaced semiconductor
Standard Encapsulation: Metal cap
Target Gas: Alcohol gas
Detection range: 0~500ppm alcohol
Loop Voltage Vc: ≤24V DC
Heater consumption PH: ≤350mW

Standard Circuit Conditions	Loop Voltage	Vc	≤24V DC
	Heater Voltage	VH	2.5V±0.1V AC or DC
	Load Resistance	RL	Adjustable
Sensor character under standard test conditions	Heater Resistance	RH	23.5Ω±4.5Ω (room tem.)
	Heater consumption	PH	≤350mW
	Resistance of sensitive material	RS	5KΩ～50KΩ(in50ppm C2H5OH)
	Sensitivity	S	Ro(in air)/Rs(50ppm C2H5OH)≥3
	Concentration Slope	α	≤0.6(R300ppm/R50ppmC2H5OH)
Standard test conditions	Tem. Humidity		22℃±2℃；55%±5%RH
	Standard test circuit		Vc:2.5V±0.1V VH:2.5V±0.1V
	Preheat time		Not less than 48 hours

Packages Includes:

1 x Winsen MP-3B Flat Surfaced Alcohol 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.
Ensure you verify product compatibility before purchase, as returns will only be accepted for unopened and unused items in their original packaging.

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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