TESTO 435 Series User Manual

3. Product description
This chapter provides an overview of the components of the product and their
functions.
3.1 Display and control elements
Overview
 Infrared, USB interface
 Display (light can be activated)
 Control buttons
 Rear: Battery and radio module compartment, holding
magnets
Strong magnets
Damage tto oother iinstruments!
i
Keep a safe distance from products which
could be damaged by magnetism (e.g.
monitors, computers, pacemakers, credit
cards).
 Probe socket(s)
Button functions
Button Functions
Function button (3x): The function depends on the button assignment
at the time
Change display of the 1
st
reading line
In configuration mode: Increase value, select option
Change display of the 2
nd
reading line
In configuration mode: Decrease value, select option
Print data
435-1/-2 only: If the Cyclical Printing function is activated, the
programmed measuring program is started.
Switch instrument on, switch display light on/off;
switch instrument off (press and hold)
3. Product description38

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