TESTO 340 User Manual

A. Safety advice
Avoid electrical hazards:
Never use the measuring instrument and probes to measure on or near live parts!
Protect the measuring instrument:
Never store the measuring instrument/sensors together with solvents
(e.g. acetone). Do not use any desiccants.
Product with Bluetooth
®
(Option)
Changes or modifications, which are not expressly approved by the responsible official
body, can lead to a withdrawal of operating permission.
Interference with data transfer can be caused by instruments which transmit on
the same ISM band, e.g. microwave ovens, ZigBee
The use of radio connections is not allowed in e.g. aeroplanes and hospitals. For this
reason, the following point must be checked before entering:
Deactivate Bluetooth function
 Inst’ settings Communication Select IrDA
Product safety/
preserving warranty claims:
Operate the measuring instrument only within the parameters specified in the Techni-
cal data.
Handle the measuring instrument properly and according to its intended purpose.
Never apply force!
Temperatures given on probes/sensors relate only to the measuring range of the
sensors. Do not expose handles and feed lines to any temperatures in excess of
70 °C unless they are expressly permitted for higher temperatures.
Open the measuring instrument only when this is expressly described in the instruc-
tion manual for maintenance purposes.
Carry out only the maintenance and repair work that is described in the instruction
manual. Follow the prescribed steps exactly. For safety reasons, use only original
spare parts from Testo.
OKOKOK
A. Safety advice
7

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