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Carbon Dioxide On-wall Or In-wall Mounting Air Quality Monitor Data Logger EM21-S23C/D

SKU ABYRL Category Air Quality Monitors Brand Tongdy Condition New

Specifications

Power Consumption Average 1.9w (24V) 4.5w( 230V)
Display LCD
Output WiFi 5 (MQTT)
Power Supply 24VAC/VDC+-20% 100-240VAC
Mounting Wall mounting or desktop placement with a surface mounted pipe box
Model EM21-S23C/D
Detection Parameters(max.) CO2 Temp.& RH PM2.5

Key Features

  • Automatic screen brightness adjustment
  • 3-color LED lights indicating three CO2 range
  • Real time CO2 monitoring and 24 hours average CO2

Product Description

Carbon Dioxide On-wall Or In-wall Mounting Air Quality Monitor Data Logger EM21-S23C/D, In-Wall installation or On-Wall mounting. Real-time CO2 monitoring and 24-hour average CO2. 3-color LED lights indicate three CO2 ranges. Optional data storage, download with Bluetooth. WiFi interface.
  • Wall embedded or desktop type
Carbon Dioxide On-wall Or In-wall Mounting Air Quality Monitor Data Logger EM21-S23C/D
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Frequently Asked Questions

It operates on a power supply of 24VAC/VDC ±20% or 100-240VAC.

It features 3-color LED lights that indicate three different CO2 ranges.

Yes, it can be mounted on the wall or placed on a desktop with a surface-mounted pipe box.

It is equipped with an LCD display for monitoring readings.

The average power consumption is 1.9W at 24V and 4.5W at 230V.

Yes, it has optional data storage and allows for data download via Bluetooth.

It provides a WiFi 5 output using MQTT protocol.

It can be installed either on the wall or as a desktop unit.

It can be installed in-wall or on-wall, depending on user preference.

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