TESTO 350 Short Manual

1 Contents
4
These brief instructions provide an overview over the most
important functions of the product. Before using the product
you should absolutely read and follow the operating
instructions!
This document describes the product testo 350 with the device
setting Country version | Great Britain.
1.1. Technical data
1.1.1. Measurement ranges and resolution
Analysis box
Measurement
parameter
Measurement
range without
dilution of all
sensors
Measurement range
with dilution of all
sensors (option)
O
2
0…25Vol.%
The reading does not
appear in the display.
CO, H
2
-comp. 0…10000ppm 2500…50000ppm
COlow, H
2
-comp.
0…500ppm 500…2500ppm
NO
0…4000ppm 1500…20000ppm
NOlow
0…300ppm 300…1500ppm
NO
2
0…500ppm 500…2500ppm
SO
2
0…5000ppm 500…25000ppm
H
2
S
0…300ppm 200…1500ppm
CO
2-
(IR) 0…50Vol.%
The reading does not
appear in the display.
HC
1, 2
Natural gas:
100…40000ppm
Propane:
100…21000ppm
Butane:
100…18000ppm
Natural gas:
500…8000000ppm
Propane:
500…42000000ppm
Butane:
500…36000000ppm
1
Detection limit: 50ppm
2
Strict compliance with the lower explosion limit is mandatory.

TESTO 350 Specifications

General

Measurement Parameters	O2, CO, NO, NO2, SO2, H2S, CO2, CxHy, H2, Temperature, Draft, Pressure
O2 measurement range	0 to 25 vol. %
CO measurement range	0 to 10, 000 ppm
SO2 measurement range	0 to 5, 000 ppm
Resolution H2	1 ppm
Accuracy O2	±0.2 vol. %
Display	Graphic display
Communication	USB, Bluetooth
Power Supply	Rechargeable battery
Operating Temperature	-5 to 45 °C
Accuracy CO	±5 ppm or ±5% of measured value
Accuracy NO	±5 ppm or ±5% of measured value
Accuracy NO2	±5 ppm or ±5% of measured value
Accuracy SO2	±5 ppm or ±5% of measured value
Accuracy H2S	±5 ppm or ±5% of measured value
Accuracy H2	±5 ppm or ±5% of measured value
Draft measurement range	-99.9 to +99.9 hPa