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Leaf Wetness and Temperature Sensor Seeed 314990738 Designed for Accurate Data Collection in Smart Agriculture

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Leaf Wetness and Temperature Sensor Seeed 314990738 Designed for Accurate Data Collection in Smart Agriculture

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Description : Humidity, Moisture Sensors RoHS

Mfr. Part # : 314990738

Model Number : 314990738

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Product Overview

The S-YM-01 is a Leaf Wetness and Temperature Sensor designed for long-term monitoring. It features a resin-sealed plastic body and measures leaf wetness proportionally to the percentage of the sensing area covered with water, alongside temperature. The sensor offers multiple output interfaces including RS485 Modbus-RTU, Analog Voltage, and Analog Current. Its applications span science research, bacteria prevention, foliage dressing spraying, greenhouse management, and smart agriculture.

Product Attributes

Brand: Seeed Technology Co., Ltd.
Material: Epoxy resin (sensor sealed)
Waterproof Rating: IP68
Cable Length: 2 meters
Certifications: Built-in TVS/ESD protection

Technical Specifications

Parameter	Value	Unit	Details
Output Interface	RS485 Modbus-RTU
Power Supply	3.6-30V	DC
Power Consumption	6	mA@24V DC
Leaf Wetness Measurement	Range: 0-100%, Resolution: 0.1%, Accuracy: 5%	%	FDR measurement technique
Temperature Measurement	Range: -40~80C, Resolution: 0.1C, Accuracy: 0.5C	C	Temperature compensation range: -40~80C
Operating Temperature	-40~85	C
Dimension	6513145	mm
Modbus Slave Address	0-255		Default: 1
Baud Rate	0-5		0:1200bps, 1:2400bps, 2:4800bps, 3:9600bps, 4:19200bps, 5:38400bps. Default: 3 (9600bps)
Parity	0-2		0:None, 1:Even, 2:Odd. Default: 0 (None)
Data Bits	1		1: 8 databits. Default: 1
Stop Bits	0-1		0: 1 stopbit, 1: 2 stopbits. Default: 0 (1 stopbit)

2411121011_Seeed-314990738_C17324878.pdf

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