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Temperature and Humidity Sensor Module ZS21

Summary:

ZS21 is a brand new product equipped with a dedicated ASIC sensor chip, a high-performance semiconductor silicon-based capacitive humidity sensor and a standard on-chip temperature sensor, and is connected with a high-performance 8-bit microcontroller to output standard I2C data signals. At the same time, each sensor is calibrated in a high-precision temperature and humidity verification box, so the product has good consistency; ZS21 products use special humidity-sensitive materials, so that their performance is extremely stable in high-temperature and high-humidity environments. It has the advantages of fast response, strong anti-interference ability, and high cost performance.

Application
Home appliance fields: home appliance, humidity control, HVAC, dehumidifiers, smart thermostats, and room monitors ;Industrial fields: automobiles, testing equipment, and automatic control devices;
Other fields: data loggers, weather stations, medical and other related temperature and humidity detection devices.

Feature:

* Fully calibrated
* Wide power supply voltage range, from 2.0V to 5.5V
* Digital output, standard I²C signal
* Quick response and strong anti-interference ability
* Excellent long-term stability under high humidity condition
* Low power consumption and high precision

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APPLICATION

HVAC

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Indoor Air Quality Monitoring

The World Health Organization's "Indoor Air Pollution and Health" pointed out that the current level of indoor air pollution is 5-10 times higher than outdoor pollution, and 4% of global diseases are related to indoor air quality, and about 2 million people die prematurely each year from diseases caused by indoor air pollution.

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PARAMETER

Specification Product Size

Table 1

Parameter	Condition	Min	Typical	Max	Unit
Resolution	Typical	-	0.024	-	%RH
Accuracy error1	Typical	-	±3	Refer toFigure 1	%RH
Repeatable	-	-	±0.1	-	%RH
Hysteresis	-	-	±1.0	-	%RH
Non-linear	-	-	<0.1	-	%RH
Response time2	τ63 %	-	<8	-	s
Scope of work3	-	0	-	100	%RH
Prolonged Drift4	Normal	-	< 1	-	%RH/yr

Table 2

Parameter	Condition	Min	Typical	Max	Unit
Resolution	Typical	-	0.01	-	°C
Accuracy error5	Typical	-	±0.5	-	°C
Accuracy error5	Max	See figure2			-
Repeatable	-	-	±0.1	-	°C
Hysteresis	-	-	±0.1	-	°C
Response time6	τ63%	5	-	30	s
Scope of work	-	-40	-	85	°C
Prolonged Drift	-	-	<0.04	-	°C/yr

Free Guide! Learn the Parameter Differences of Similar Sensors

Wondering how to find the most suitable one for you out of so many sensors? Download our free guide to learn the comparison table of technical parameters.

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RELATED PRODUCTS

As a pioneer in gas sensor based solutions with the advanced processes, technologies and products, Winsen offers a wide range of gas sensors:

MEMS type Temperature and Humidity Sensor WHT30

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