Duct Transmitter Range (DTR)

The Duct Mounted Transmitter range from Flamefast is one of the most cost effective air quality transmitters available, with the ability to monitor Temperature, Relative Humidity, then either Carbon Dioxide (CO2) or Total Volatile Organic Compounds (TVOC)

Top Key Features

  • 24V AC/DC Power Supply
  • Pluggable terminal block
  • 3x 0-10V outputs
  • Volt free contact output
  • Typical 10+ year life expectancy
  • UK Manufactured

Overview

The Duct Mounted Transmitter range from Flamefast is one of the most cost effective air quality transmitters available, with the ability to monitor Temperature, Relative Humidity, then either Carbon Dioxide (CO2) or Total Volatile Organic Compounds (TVOC).

With a wide range of output, including three 0-10V outputs, an on board relay, and the ability to select between Analogue or a Direct Thermistor temperature output, this versatile units is suitable for most general HVAC applications.

Key Features

  • 24V AC/DC Power Supply
  • Pluggable terminal block
  • 3x 0-10V outputs
  • Volt free contact output
  • Typical 10+ year life expectancy
  • Flanged enclosure with hinged lid for ease of installation
  • 180mm Duct Probe (other lengths on request)
  • UK MANUFACTURED

Dimensions

Height:158 mm
Width:112 mm
Depth:58 mm
Probe Length:180 mm

Technical Specifications

Power Supply:24V AC/DC ±10%
Power Consumption:50mA Max
Analogue Outputs:3x 0-10V
Thermister Outputs:10K3A1
VFC Output:SPST - 100mA @ 24V Max
CO2 Range:0 ~ 10,000 ppm
CO2 Output Scale:0 ~ 2,000 / 5,000ppm
CO2 Accuracy:±40 ppm +3% @ NTP
CO2 Display Resolution:1ppm
CO2 Sensing Method:Non Dispersive Infra-red (NDIR)
CO2 Sensor Life:10+ Years
TVOC Range:0 ~ 100% VOC Index
TVOC Output Scale:0 ~ 100%
TVOC Accuracy:±5% @ NTP
TVOC Display Resolution:1%
TVOC Sensing Method:Metal-oxide (MOx)
TVOC Sensor Life:10+ Year
Temp Range:0 ~ 50°C
Temp Accuracy:±0.3°C @ 25°C
Temp Display Resolution:0.1°C
RH Range:0 ~ 100%
RH Accuracy:±2% @ 20 ~ 80%
RH Display Resolution:0.1%
Operation Conditions:
Temp 0 ~ 50°C
Humidity 0 ~ 95% (NC)
Sampling Method:Diffusion
Warm-up Time:30 seconds
IP Rating:IP66 (external to duct)
Colour:Black/Grey
Approval:CE, UKCA

Installer Selectable Options

The unit has two user selectable programmes to control the volt free contact set point depending on the application. These are as follows:

ProgrammeVentilationGas Safety
Relay PositionNormally OpenNormally Closed
Relay Set Point800ppm / 40%4500 ppm
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Quality and Reliability as Standard

Part Numbers & Options / Accessories

PART NODESCRIPTION
DTR-CO2 Duct Transmitter - CO2
DTR-CO2TH Duct Transmitter - CO2, Temp & RH
DTR-AQDuct Transmitter - TVOC
DTR-AQTHDuct Transmitter - TVOC, Temp & RH
DTR-TH Duct Transmitter - Temp & RH
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