Indoor Air Quality, Carbon Dioxide (CO2) Monitor | Desktop / Wall Mounted | Tenmars TM-187A

AUD $950.00 • ( AUD $1,045.00 inc. GST )

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The TM-187A monitor comes with a unique, large LED display, and can be mounted or placed on a desk, and will provide Carbon dioxide, temperature, and humidity readings in a safe and easy way.

  • Large LED display
  • Measurement CO2 and Temperature
  • Temperature C or F
  • Real time data
  • Data Hold function
  • Alarm function
  • Datalogging (65,000 records)
  • Includes manual. AC adapter, carrying case and wall mounting kit

PDF download   Tenmars 187A User Manual     PDF download   Tenmars TM-187A Datasheet

The Tenmars TM-187A is a wall-mounted LED type complete environmental monitoring and alarm system. Alarm set for CO2 and Temperature and Humidity. The Tenmars TM-187A has a real-time display and USB data logging of up to 65,000 records.


  • Hospitals blood/Tissue banks
  • Warehouses 
  • Laboratories
  • Computer rooms
  • Chambers / Incubator
  • Clean rooms
  • Green house 
  • Electronics manufacturing
  • Defence 
  • Refrigerators/Freezers
  • Other Critical areas
Weight 0.4 kg


Sampling time 1 time/second
Interval time 1s~24hrs
Output interface

From one of the three interfaces, RS485/RS-232/USB

Analog output 4-20mA Output (RL≦250Ω)
Dry contact (Relay Switch) Contact: Max. [email protected] Resistive load
Power 24Vac/Vdc±20%(50~60Hz) or 9-15V Adaptor
Power consumption ≦ 7W
LED display 214x120mm (8.4×4.73inch)
Weight Approximately 1000 grams
Dimensions 260(length) X 178(width) X 47(height)mm


Type Diode
Range -20°C~70°C/-4°F~158°F
Accuracy ±1ºC(5ºC~60ºC) ; ±2ºF(41ºF~140ºF) ; Other ranges ±2ºC/±4ºF

0.1°C/0.1°F (0~35°C/32°F~95°F);

1°C/1°F (over 100°C/°F or below-10°C/°F)

Response Time Typ.1 second

Relative Humidity

Type Capacitive
Range 5-95%
Accuracy ±5.0%RH (20~80%); ±8.0%RH (<20%, >80%)
Resolution 0.1%
Response Time Typ.4 seconds

CO2 (TM-187A only)

Type Non-dispersive infrared (NDIR)
Range 1 to 9999ppm
Accuracy ±5% of reading or ±70ppm

(0-2000ppm, others out of scale range)

Resolution ±1ppm
Response Time Typ.2 minutes by 90%

Need help? Call our support team 1800 358 531