Analog Humidity Sensor, Output Signal 0-3V

SKU: SUCH-TH-AN
$39.99
● Output signal 0-3V analog voltage signal ● Humidity measuring range 0~99.9%RH ● Temperature measuring range -40~+80°C ● Supply voltage DC 4.75-5.25V
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🕒 Delivery date: 6-12 days
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Overview

Analog humidity sensor with 0-3V output is a fully calibrated, low-power device designed for accurate humidity and temperature monitoring. Featuring a capacitive humidity sensing element, a built-in NTC temperature sensor, and an ASIC chip for signal processing, temperature and humidity sensor delivers excellent long-term stability and reliable performance. With a wide measuring range of 0~99.9%RH and -40~+80°C, compact size, and easy integration, this SUCH humidity sensor is ideal for applications in home appliances, HVAC systems, and embedded devices.

Feature

Analog humidity sensor feature

  • Fully Calibrated: Factory-calibrated to ensure accurate and reliable humidity and temperature measurements.
  • Analog Voltage Output: Analog humidity sensor provides a 0-3V analog signal for easy integration with controllers and monitoring systems.
  • Excellent Long-Term Stability: Built with an ASIC sensor chip and capacitive humidity element for superior stability.
  • Low Power Consumption & Compact Size: Designed for minimal energy use and a small footprint, ideal for embedded applications.
  • High Cost-Performance Ratio: Offers advanced sensing performance at an affordable price, suitable for home appliances and other uses.

Dimension

Analog humidity sensor size

Wiring

Analog humidity sensor wiring

Pin (Color) Name Description
1 (Red) VDD Power supply (4.75V-5.5V)
2 (Yellow) Hout Humidity output (0-3V DC)
3 (Black) GND Ground
4 (White) Tout Temperature output (NTC10K thermistor)
Specs
Supply Voltage DC: 4.75-5.25V
Measuring Range Temperature: -40~+80°C    Humidity: 0~99.9%RH
Accuracy Temperature: NTC ±1%    Humidity: ±3%RH
Response Time Temperature: 6s    Humidity: <8s (τ63%)
Repeatability Humidity: ±1%RH
Output Signal 0-3V analog voltage signal
Temperature Output 10K NTC
Housing Material ABS + PC plastic
Power Consumption 1.5mA
Weight 9.2g
Application
Leaf humidity sensor for greenhouses

Greenhouses

Crop disease warning

Crop Disease Warning

Agricultural research

Agricultural Research

FAQ

It processes the raw signals from the sensing elements, compensates for errors such as temperature drift, and converts them into stable output signals (e.g., 0–3V analog voltage). This ensures high accuracy, long-term stability, and easy system integration.

An analog humidity and temperature sensor is a device that measures relative humidity and temperature in the environment and provides an analog voltage output (e.g., 0–3V). These sensors are widely used in home appliances, HVAC systems, and smart devices for accurate environmental monitoring.

The sensor typically integrates a capacitive humidity sensing element and a temperature sensing element (such as an NTC thermistor). Changes in humidity or temperature cause variations in capacitance or resistance, which are processed by an ASIC chip to generate a stable analog voltage signal proportional to the measured values.

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