UART Output Electrochemical Gas Sensor For Air Quality

Brand Name:kacise

Certification:CE

Model Number:KOX501

Minimum Order Quantity:0-100pcs

Delivery Time:3-10days

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

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Xi'an Kacise Optronics Co.,Ltd.

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Address: i City, No11, TangYan South road, Yanta District, Xi'an,Shaanxi,China.

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Product Details

KOX501 O2 Sensor

Name: UART Output Electrochemical Gas Sensor For Air Quality
Brand: kacise
Price: 1 USD

Product Description

KOX501 electrochemical gas sensor module uses electrochemical principle to detect the concentration of toxic and harmful gases such as CO, H₂S, NO₂ in the environment. The module uses RoHS electrode electrochemical sensor as sensing element (the specific technical parameters of the sensor are detailed in the data manual), and realizes the gas concentration detection under the control of sampling circuit, which has good stability and selectivity. This module adopts four-wire connection with the receiving terminal, and outputs the gas concentration signal through the UART bus, which is convenient for the user.

Fig. 1. KOX501 RoHS electrochemical sensor

Features

Sensors are made of lead-free materials, in full compliance with RoHS standards;

• The service life of up to 5 years is much higher than the 2-year service life of traditional lead-based oxygen sensors;

• Insensitive to carbon dioxide, the output signal accuracy is not affected by carbon dioxide;

• Operates well at -40℃, lower than conventional lead-based oxygen sensors Limit operating temperature;

• Highly resistant to changes in environmental factors, temperature, humidity or pressure Mutation has little effect on it.

• Excellent linearity, stability and reproducibility in long term applications with excellent performance consistency.

Application

Air quality monitoring
Smart Buildings
Granary air detection

KOX501 Size Structure Chart

Sensor size (unit mm)

Technical Specification

Model	KOX501
Detecting gas	CO, H₂S, NO₂ and other toxic and harmful gases
Detection Principle	Electrochemistry
Measuring range	See the Data Manual for details
Resolution	See the Data Manual for details
Observational error	<± 5% FS
Operating voltage	VDC
Operating Current	≤2mA@+ 5.0 VDC;
Output mode	UART (+ 3.3 v TTL)
Operating temperature	-20℃～+ 50℃
Working humidity	(0% ~ 90%) RH (no condensation)
Working pressure	Atmosphere ± 10%
Storage temperature	-20℃ ～+ 60℃
Contour Dimension	φ22x25mm
Weight	10g

Ordering Information

Ordering Information Selection Table
Product	Range	Accuracy	Signal output
KOX501	O2 Gas Sensor
	0-25%	0-25%VOL
		±5%	±5%FS
			4-20mA	4-20mA output without RS485 output
			RS485	RS485 output without 4-20mA output (Default)
			4-20RS485	4-20mA output with RS485 output
				Modbus-RTU	protocol of RS485 output is Modbus-RTU (Default)
				Modbus-ASC	protocol of RS485 output is Modbus-RTU
				Customized	Support OEM
KOX501	0-25%	±5%	RS485	Modbus-RTU