Humidity Remote Sensor with Display, RS485

SKU: SUCH-TH-RMT
$127.99
● Output signal RS485 ● Supply voltage DC 9-36V / USB 5V ● Measuring range of relative humidity 1~99.9%RH ● Measuring range of temperature -20~+60℃
🚚 Free shipping
🕒 Delivery date: 6-12 days
🔁 30-day Returns
Overview

The humidity remote sensor with display is a high-performance industrial device designed for precise temperature and humidity monitoring. Temperature humidity sensor features a clear digital display, sound and light alarm for limit exceedance, and supports RS485/USB communication for real-time data transmission. With a built-in rechargeable lithium battery, measuring humidity from 1~99.9%RH and temperature from -20~+60°C, SUCH remote temp humidity sensor is ideal for HVAC systems, greenhouses, warehouses, and other environments requiring reliable air condition monitoring.

Feature

  • High-Performance Industrial Sensor: Measures temperature and humidity accurately and displays real-time values on the built-in digital screen. Suitable for continuous environmental monitoring in industrial and laboratory settings.
  • Sound and Light Alarm: Sensor for humidity and temperature supports customizable upper and lower alarm limits for temperature and humidity. When values exceed the set range, the device automatically triggers an audible and visual alarm.
  • Built-in Rechargeable Lithium Battery: Equipped with a large-capacity lithium battery, providing long-term power supply and reliable operation even during power interruptions.
  • USB/RS485 Communication Protocol: Allows data transmission to a computer for real-time monitoring and synchronization with PC software via RS485 or USB connection.
  • Automatic USB Data Reading: When connected to a computer, the software automatically reads stored data, generates trend curves, and supports saving, querying, exporting, and multi-format output.
  • Wide Application Range: Widely used in building automation, HVAC systems, museums, greenhouses, warehouses, logistics, and medical industries for precise air temperature and humidity control.

Dimension (Unit:mm)

Humidity remote sensor size

Wiring

Humidity remote sensor wiring

Detail

Humidity remote sensor detail

Specs
Output Signal RS485
Communication Protocol MODBUS RTU
Supply Voltage DC 9-36V / USB 5V
Measuring Range of Relative Humidity 1~99.9%RH
Measuring Range of Temperature -20~+60℃
Accuracy of Humidity ±2%RH
Accuracy of Temperature ±0.3℃
Resolution 0.1℃ / 0.1%RH
Long-term Stability <0.1%RH/year, <0.1℃/year
Current Consumption ≤20mA
Weight 150g
Dimension (L*W*H) 95*101*26.5mm
Sampling Period 2s
Housing Material Engineering Plastics
Working Environment Temperature: -40~80℃, Humidity: 0~99.9% (no condensation)
Storage Environment Temperature: 0~60℃, Humidity: <90%RH
Wiring White: RS485 B-, Black: GND, Red: V+, Yellow: RS485 A+, Grey: Relay Output AR, Brown: Relay Output
Application
Pharmaceutical warehouse

Pharmaceutical Warehouse

Factory workshop

Factory Workshop

Wine cellar

Wine Cellar

FAQ

The sensor should be installed in a well-ventilated area away from direct sunlight, heat sources, and condensation. For accurate readings, avoid placing it near air vents or equipment that generates heat or steam.

The sensor is factory-calibrated before delivery. However, for long-term accuracy, calibration every 6–12 months is recommended, especially in high-humidity or high-temperature environments.

The sensor is mainly designed for indoor environments. For outdoor applications, it should be placed inside a protective enclosure to prevent damage from rain, dust, and direct sunlight.

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