Testo 327-1 Flue Gas Analyser Advanced Kit 0563 3203 81



  • Domestic boiler commissioning and servicing
  • Displays 4 measurements at once
  • Tightness and let by testing
  • Flow and return temperature
  • Printer included
(Size: 10.5 MB)
(Size: 1000.1 KB)
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Warranty3 years
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Testo 327-1 Flue Gas Analyser Advanced Kit 0563 3203 81

The Testo 327-1 is a multifunction flue gas analyser which conforms to BS7967 and EN 50379, required for the commissioning and servicing of domestic boilers. The analyser will measurer O2, CO and temperature, plus calculate ratio, CO2 and efficiency.

A soft sturdy carry case is supplied to house the analyser, probe and all supplied accessories, providing excellent storage and transport protection for the analyser. A calibration protocol is also included.

Designed for everyday use

With its protective rubber casing, easy to use menu navigation and back lit multi line display, the testo 327-1 is suitable for frequent, everyday use. It also features a lithium ion battery, which provides up to 5 hours battery life.

Built in magnets on the back of the unit mean it can be hung from the boiler casing for hands free testing. The infra-red printer included with the advanced kit also includes a built in magnet.

The 327-1 also has automatic pump protection as standard to help protect the CO sensor from damage as a result of over exposure (4,000ppm range capability).

Differential pressure and temperature

The Testo 327-1 advanced kit includes the accessories required to make the most of the 327-1 feature set.

The differential hose kit is included to enable both tightness testing as well as let by testing. A set of temperature clamps are also included for the measurement of flow and return temperatures.

Testo 327 Flue Gas Analyser Kit Variants

StandardAdvanced Kit
Testo 327-1 Analyser
Flue Gas Probe
Mains Unit
Carry Case
Differential Hose Kit
Differential Temperature Kit
Testo Fast Printer

Testo 327-1 feature set:

  • Temperature measurement range -40 to +600
  • Flue gas 02 measurement 0 to 21 Vol.%
  • Differential pressure flue gas draught -40 to +40 hPa
  • Efficiency measurement 0 to 12%
  • Flue gas loss range 0 to 99%
  • Carbon monoxide and carbon dioxide measurements
  • Easy menu navigation with large rubber buttons
  • Robust rubber boot to protect the unit in harsh environments
  • Multi fuel: Natural gas, light/heavy oil, Propane, Butane and Kerosene
  • Back lit 4 line LCD display shows multiple measurement results in one
  • Fast and secure flue probe attachment
  • Easy access filter access for quick changes
  • Lithium ion rechargeable battery for approximately 5 hours use
  • Measures combustion efficiency, temperature, O2, CO2 and flue draft
  • Carries out let by and tightness test, no need for a separate manometer
  • CO over exposure protection with automatic pump shut off
  • Independently tested to EN50379
  • Meets the requirements of BS79697
  • Ambient CO measurement using flue gas probe
  • Results print out

Testo 327-1 technical data

  • Temperature: 0 to +600°C
  • Draught: ±40 mbar
  • Pressure: -200 to +200 mbar
  • O2: 0 to 21 Vol. %
  • CO: 0 to 4000 ppm
  • CO2: 0 to CO2 max
  • Efficiency measurement: 0 to 120%
  • Flue gas loss (qA): 0 to 99.9%

What's included

  • Testo 327-1 Analyser
  • Flue Gas Probe
  • Mains Unit
  • Differential Hose Kit
  • Differential Temperature Kit
  • Testo Fast Printer
  • Carry Case
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