TESTO 340 User Manual

C. Product description
This chapter provides an overview of the individual components of the product.
C.1 Measuring instrument
C.1.1 Overview
 Infrared interface
Do not point infrared beam at
people's eyes!
 Interfaces: USB, PS2
 On/Off switch
 Condensate trap (on rear)
 Attachment for carrying strap (on rear)
 Magnetic holders (on rear)
Strong magnets
Damage tto oother iinstruments!
Keep well away from
products which could be
damaged through the
effects of magnetism (e.g.
monitors, computers, heart
pacemakers, credit cards).
 Display
 Service cover (on rear)
 Keypad
 Instrument connections: flue gas probe,
sensor, pressure probe, mains unit, gas
outlet
Placeholder:
Pbersicht.tif
C. Product description
10

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