TESTO 435 Series User Manual

8. Care and maintenance
This chapter describes the steps that help to maintain the functionality of the
product and extend its service life.
±
Cleaning tthe hhousing:
i Clean the housing with a moist cloth (soap suds) if it is dirty. Do not use
aggressive cleaning agents or solvents!
±
Changing tthe bbattery/rechargeable bbattery:
 Instrument is switched off.
1 Undo the two screws on the rear of the instrument and lift off the battery
compartment cover.
2 Remove spent batteries/rechargeable batteries and insert new
batteries/rechargeable batteries (3x mignon) into the battery
compartment. Observe the polarity!
3 Replace the battery compartment cover and tighten the two screws.
8. Care and maintenance 59
de
en
fresitptsvnl????

TESTO 435 Series Specifications

General

Temperature - NTC	-20 to +70 °C
Temperature - Thermocouple Type K	-50 to +1000 °C
Air Humidity	0 to 100 %RH
CO2	0 to 10000 ppm
Dimensions	220 x 74 x 46 mm
Measurement Parameters	Temperature, Humidity, Air Velocity, Light Intensity, CO2
Display	LCD
Interface	USB
Power Supply	Battery
Air Velocity - Thermal	0 to +20 m/s
Resolution	Varies by parameter
Accuracy	Varies by parameter
Battery Life	20 h