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Comet T5145 – Duct-Mount CO2 Transmitter (4–20 mA)

The Comet T5145 is the robust CO2 transmitter for direct duct mounting with a 4-20mA output and an LED traffic light function. For precise monitoring of air quality in ventilation ducts – adjustable measuring range.

The Comet T5145 is a specialized CO₂ concentration transmitter designed for direct installation in ventilation ducts (duct mount) with a 4-20mA output. The device was engineered for the reliable monitoring of air quality in air conditioning and ventilation systems.

Three colored LEDs provide immediate visual feedback: Green (0–1000 ppm), Yellow (1001–1200 ppm), and Red (from 1201 ppm). The output range is freely adjustable by the user.

With its robust housing (IP65 electronics) and the 130 mm long measuring probe, the T5145 is the ideal solution for integration into existing ventilation systems.

Why the Comet T5145 is the best duct-mount CO2 transmitter:

  • Specialized design for duct mounting
  • Adjustable 4-20mA analog output
  • Clear LED traffic light function (Green/Yellow/Red)
  • Measuring range 0 to 5000 ppm
  • High accuracy of ±(50 ppm + 3% of the measured value)
  • IP65 protection (electronics)
  • Power supply 15-30 V DC or 24 V AC
  • Easy configuration via PC
  • Traceable calibration certificate
  • Robust construction for duct operation

Technical Data:

  • CO₂ measuring range: 0 to 5000 ppm
  • CO₂ accuracy: ±(50 ppm + 3% of the measured value)
  • Resolution: 1 ppm
  • Output: 4-20 mA (adjustable)
  • LED indicator: Green (0-1000 ppm), Yellow (1001-1200 ppm), Red (from 1201 ppm)
  • Operating temperature: -30 to +60 °C
  • Power supply: 15-30 V DC or 24 V AC
  • Protection class: IP65 (electronics), IP20 (sensor)
  • Dimensions: 89 x 73 x 240 mm, probe length 130 mm
  • Weight: approx. 260 g

Scope of Delivery

  • T5145 CO2 Duct-Mount Transmitter
  • Instruction manual
  • Traceable calibration certificate
  • Free configuration software TSensor
Datasheets
Datasheet 1

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Datasheet 1 (558.92 KB)

Comet T5145 - CO₂ Concentration Transmitter with 4–20 mA Output (Duct Mount)

General Data

  • CO₂ concentration transmitter for duct mounting
  • Integrated CO₂ sensor for measuring air quality in ventilation systems
  • Analog 4–20 mA output
  • User-definable output range via PC configuration
  • LED status indication for quick evaluation of CO₂ concentration
  • Suitable for HVAC and ventilation applications

Technical Data

  • Measured variable:
    • CO₂ (carbon dioxide)
  • CO₂ sensor:
    • Measuring range: 0 – 5000 ppm
    • Accuracy: ±(50 ppm + 3% of the measured value) at 25 °C and 1013 hPa
    • Resolution: 1 ppm
  • Internal CO₂ sensor
  • Analog output: 4 – 20 mA
  • Power supply: 15 – 30 VDC / 24 VAC
  • Dimensions: 89 × 73 × 240 mm
  • Probe length (immersion depth): 130 mm
  • Weight: approx. 260 g
  • Warranty: 3 years

CO₂ Status Indicator

  • Green LED:
    • 0 – 1000 ppm CO₂
  • Yellow LED:
    • 1001 – 1200 ppm CO₂
  • Red LED:
    • 1201 ppm CO₂ and above

Connections

  • 1 × Analog output 4 – 20 mA
  • Power supply: 15 – 30 VDC or 24 VAC

Environmental Conditions

  • Operating temperature: -30 °C ~ +60 °C

Protection Class

  • Electronics: IP65
  • Sensors: IP20

Scope of Delivery

  • Comet T5145 CO₂ Transmitter (Duct Mount)
  • Instruction manual
  • Traceable calibration certificate
  • Free TSensor software for transmitter configuration

Manufacturer Information:

COMET SYSTEM, s.r.o.

Bezručova 2901

756 61 Rožnov pod Radhoštěm
Czech Republic

Phone: +420 571 653 990

Email: info@cometsystem.com

Responsible person:

Didactum® Security GmbH

Im Mühlenfeld 4

48163 Münster
Deutschland

Fon: (+49) 250 19 71 63 54 / (+49) 171 33 11 577

Email: info@didactum-security.de

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