TESTO 340 User Manual

H. Transferring data ................................................................................45
H.1 Protocol printer ............................................................................45
I. Care and maintenance ........................................................................46
I.1 Cleaning the measuring instrument ..............................................46
I.2 Replacing sensors ......................................................................46
I.3 Filter for CO, H2-comp., NO exchanging sensors ......................47
I.4 Recalibrating sensors ..................................................................47
I.5 Cleaning the modular flue gas probe ............................................48
I.6 Replacing probe preliminary filter ................................................48
I.7 Replacing thermocouple ..............................................................48
J. Questions and answers ......................................................................49
K. Technical data ....................................................................................50
K.1 Standards and tests ....................................................................50
K.2 Measuring ranges and accuracies ..............................................50
K.3 Other instrument data ..................................................................52
K.4 EC declaration of conformity ........................................................53
K.5 Principles of calculation ..............................................................53
K.5.1 Fuel parameters ......................................................................54
K.5.2 Calculation formulae ................................................................54
K.6 Recommended rinsing times ......................................................57
L. Accessories/spare parts ....................................................................58
Functional overview ............................................................................60
Content
6

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