D20E Temperature & Humidity Sensor - RS485

This D20E series is a high accuracy Temperature and Humidity Sensor which is brand new on the market and offers RS485 communication.

Quick Spec

  • Part No HRTM-D20E
  • Alternative Part No: THM-D20E
  • Working Voltage: 5VDC
  • Maximum Power: 0.025W
  • Current Consumption: 5mA max. (2mA avg.)
  • Temperature Measurement Range: -20 ~ +80°C
  • Humidity Measurement Range: 10% - 95% RH
  • Temperature Accuracy: ±0.3℃ (25 ℃)
  • Humidity Accuracy: ±3% RH (25 ℃)
  • Output Interface: RS485 (standard MODBUS protocol)
  • Device Address: can be set to 1-255 (default is 1)
  • Baud Rate: 9600, 8 bits of data, 1 stop, no parity
  • Cable Length: ±50cm
  • Dimensions: 60 x 30 x 18mm
  • Net Weight: 18g

Wiring Diagram (Top View)

HRTM-D20-E-IMG2

NOTE: The module requires a 120 ohm terminating resistor on the RS485 line

PCB Layout

HRTM-D20-E-PCB2

Dimensions

HTB11i4w-X5nr-K1-Rj-Sszi760ptp-Xa-H

Humidity Output Signal

  Humidity (% RH)     10%     20%     30%     40%     50%     60%     70%     80%     90%     95%  
  Voltage (V)     0.30     0.60     0.90     1.20     1.50     1.80     2.10     2.40     2.70     2.82  


Resources

Shipping List

  • 1 x D20E Temperature & Humidity Sensor - RS485


D20E Temperature & Humidity Sensor - RS485

  • Brand: Generic
  • Product Code: HRTM-D20E
  • Stock

    Warehouse Stock Status Location
    Centurion In Stock O2-01
    Stellenbosch In Stock Z1016

    We ship free of charge between branches to complete your order.

  • R195.00 (Inc Tax: R224.25)


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Tags: d20e, temp, temperature, humidity, hum, sensor, rs485, hrtmo30, modbus, 5v, ntc, thm-d20e