This document is the instruction manual for testo 327 flue gas analyser
The Testo 327 is a hand-held measuring instrument designed for the professional flue gas analysis of domestic and light commercial gas and oil boilers and appliances. It supports tests shown in BS 7967, including timed tightness tests and CO functions, and is available in various versions with different interfaces and sensor options.
The manual provides instructions on safety precautions, initial setup, and operating the device. Key features include measuring oxygen, carbon monoxide, temperature, and pressure, as well as calculating efficiency and flue gas loss. The device can be connected to printers and, in specific versions, supports Bluetooth data transfer.
| Measuring range (Oxygen) | 0...21% |
|---|---|
| Measuring range (Carbon monoxide) | 0...4,000ppm |
| Measuring range (Temperature) | -40...+600°C |
| Measuring range (Pressure) | -40...40hPa |
| Operating temperature | -5...45°C |
| Battery life (measuring) | Approx. 4 h |
| Protection class | IP40 |
| Dimensions | 240 x 90 x 58mm |
| Weight | Approx. 620g |
No, the instrument must not be used in areas at risk of explosion.
The recommended minimum duration of measurement to guarantee correct readings is 3 minutes.
The storage temperature for the measuring instrument is between -20°C and 50°C.