TESTO 340 User Manual

Any additional work must only be carried out by authorised personnel. Testo will
otherwise refuse to accept responsibility for the proper functioning of the measuring
instrument after repair and for the validity of certifications.
Ensure correct disposal:
Dispose of defective rechargeable batteries and spent batteries at the collection
points provided for that purpose.
Send the measuring instrument directly to us at the end of its useful life. We will ensu-
re that it is disposed of in an environmentally friendly manner.
A. Safety advice
8

TESTO 340 Specifications

General

CO measurement range	0 to 10, 000 ppm
NO measurement range	0 to 3, 000 ppm
NO2 measurement range	0 to 500 ppm
SO2 measurement range	0 to 5, 000 ppm
Resolution CO	1 ppm
Resolution NO	1 ppm
Resolution SO2	1 ppm
Resolution H2	1 ppm
Resolution Differential Pressure	0.01 hPa
Resolution Flow Velocity	0.1 m/s
Resolution Temperature	0.1 °C
Power Supply	Rechargeable battery
Protection Class	IP40
Measurement Parameters	O2, CO, NO, NO2, SO2, CO2, CxHy, Temperature, Draft, Pressure
O2 measurement range	0 to 25%
Temperature measurement range	-20 to 1, 200 °C
Resolution CO2	0.1%
Accuracy CO	±5 ppm or ±5% of reading
Accuracy NO	±5 ppm or ±5% of reading
Accuracy NO2	±5 ppm or ±5% of reading
Accuracy SO2	±5 ppm or ±5% of reading
Accuracy O2	±0.2%
Accuracy CO2	±0.5%
Accuracy H2	±5 ppm
Accuracy Differential Pressure	±0.03 hPa
Accuracy Temperature	±0.5 °C
Display	LCD
Operating Temperature	-5 to +45 °C
Storage Temperature	-20 to +50 °C