testo 327 is a professional handheld flue gas analyzer for boiler systems, including small oil, gas, wood, and coal boilers, low-temperature and condensing boilers, and gas heaters. The manual notes four model versions: testo 327 O2, testo 327 CO, testo 327-1 (O2, CO), and testo 327-2 (O2, CO); it must not be used in explosive areas, for long-term measurements, or as a safety alarm device.
The manual covers safety and environment, specifications, product overview, first steps, measurement preparation and measurement, instrument checks, maintenance, tips and help, accessories and spare parts, and an appendix. Technical data in the manual includes measurement ranges for O2, CO, ambient CO, temperature, and pressure, along with housing, power supply, display, standards, and warranty information. This manual is written in Chinese.
| CO measurement range (except testo 327 O2) | 0...4,000ppm / 1ppm |
|---|---|
| CO measurement range (testo 327-2) | 0...8,000ppm / 1ppm |
| Ambient CO measurement range | 0...2,000 ppm / 1ppm |
| Flue gas temperature range | -40...+600°C / 0.1°C |
| Pressure range | 0...40hPa / 0.01hPa |
| Operating temperature | -5...45°C /23...113°F |
| Dimensions | 240 x 90 x 58mm |
It is a professional handheld flue gas analyzer for boiler systems, including small oil, gas, wood, and coal boilers, low-temperature and condensing boilers, and gas heaters.
There are four models: testo 327 O2, testo 327 CO, testo 327-1 (O2, CO), and testo 327-2 (O2, CO).
No. The manual states it must never be used in explosive areas, for long-term measurements, or as a safety alarm device.
If the battery is fully discharged, charging at room temperature takes about 5-6 hours.