Temperature Humidity Sensor Modbus, One-wire

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SKU: SUCH-TH-MOD

$15.99

● Humidity measuring range 20%~95%RH ● Temperature measuring range -20~60℃ ● Operating voltage 3V~5.5VDC ● Standard single-bus output signal ● Temperature resolution 0.1℃, humidity resolution 1%RH

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Overview
Specs
Application
FAQ
Reviews

Overview

Temperature humidity sensor modbus features a durable ABS plastic housing with excellent impact, heat, and chemical resistance, ensuring long-term stability and smooth surface quality. With a measuring range of 20%~95%RH for humidity and -20~60℃ for temperature, the sensor provides high precision and fast response. Temp humidity sensor operates on 3V~5.5V DC, supports a standard single-bus output signal, and offers fine resolutions of 0.1℃ for temperature and 1%RH for humidity. The 4-pin single-row pin design enables easy connection and seamless integration with Modbus and One-wire systems.

Feature

Temperature humidity sensor modbus feature

ABS Plastic Housing:

Made of high-quality ABS material with excellent impact resistance, heat resistance, low-temperature resistance, and chemical corrosion resistance. It also provides stable dimensions, superior electrical insulation, and a smooth glossy surface finish.

Pin Installation Design:

SUCH temperature humidity sensor modbus features a 4-pin single-row pin package for easy wiring, reliable connection, and quick installation, ensuring convenient integration with Modbus and One-wire systems.

Dimension (Unit: mm)

Temperature humidity sensor modbus size

Relative Humidity Specifications

Parameter	Condition	Minimum	Typical	Maximum	Unit
Resolution	/	/	1	/	%RH
Measuring Range	/	20	/	95	%RH
Accuracy	25℃	±5	±3	±5	%RH
Repeatability	/	/	±0.1	/	%RH
Response Time	1/e (63%)	/	< 8	/	s
Hysteresis	/	/	±0.5	/	%RH
Drift	/	/	< 3	/	%RH/y

Temperature Specifications

Parameter	Condition	Minimum	Typical	Maximum	Unit
Resolution	/	/	0.1	/	℃
Operating Range	/	-20	/	60	℃
Accuracy	/	/	±0.5	/	℃
Repeatability	/	/	±0.2	/	℃
Response Time	1/e (63%)	/	1	/	s
Hysteresis	/	/	±0.1	/	℃
Drift	/	/	< 0.2	/	℃/y

Electrical Characteristics

Parameter	Condition	Minimum	Typical	Maximum	Unit
Supply Voltage (VDD)	/	3	5	5.5	V
Supply Current	Sleep Mode	/	0.6	2	µA
Supply Current	Measurement Mode	/	2	2.5	mA
Sampling Period	/	/	2	/	s
Low-Level Output Voltage	Io < 4mA	0	/	250	mV
High-Level Output Voltage	Rp < 25kΩ	80%	/	100%	VDD
Low-Level Input Voltage	Falling Edge	0%	/	20%	VDD
High-Level Input Voltage	Rising Edge	80%	/	100%	VDD
Output Current	On	/	/	4	mA
Output Current	Tri-state (Off)	10	/	20	µA

Wiring

Temperature humidity sensor modbus wiring

Specs

Measuring Range	Humidity: 20%~95%RH Temperature: -20~60℃
Accuracy	Temperature: ±0.5℃ Humidity: ±3%RH
Resolution	Temperature: 0.1℃ Humidity: 1%RH
Operating Voltage	3V~5.5V DC
Output Signal	Standard single-bus
Power Consumption	Micro power consumption
Long-term Stability	≤1%RH

Application

HVAC Systems

Indoor Environment Monitoring

Laboratory Climate Control Cabinet

FAQ

Q1: What is humidity? ❯

Humidity refers to the physical quantity that indicates the dryness or moisture content of the atmosphere. At a given temperature, if the amount of water vapor contained in a certain volume of air decreases, the air becomes drier; if the water vapor increases, the air becomes more humid. The degree of air humidity is known as “humidity.”

Q2: What maintenance is required for this humidity sensor? ❯

The sensor requires minimal maintenance. To ensure accuracy, it is recommended to keep the sensing area clean and free from dust, oil, or chemical residues that may affect air circulation.

Q3: What happens if the measured airflow exceeds the sensor’s range? ❯

If the flow rate or humidity exceeds the specified range (20%~95%RH, -20~60℃), the output signal may become unstable or invalid. It’s recommended to operate strictly within the rated range for consistent performance.

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Temperature Humidity Sensor Modbus, One-wire

Feature

Dimension (Unit: mm)

Relative Humidity Specifications

Temperature Specifications

Electrical Characteristics

Wiring

HVAC Systems

Indoor Environment Monitoring

Laboratory Climate Control Cabinet

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