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TESTO 435 Series User Manual

TESTO 435 Series
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7. Measuring
This chapter describes the steps that are required to perform measurements
with the product.
Particular probes must be plugged in or switched on and registered (radio
probes) according to the variable that is to be measured.
Some probes require a warming-up phase until they are ready to measure.
For some variables additional calculation parameters have to be set if correct
measurements are to be obtained.
º See PARAMETER, p. 54.
²
Taking aa mmeasurement:
The instrument is in measurement view.
The measuring program AUTO or TURB is not activated (435-2/-4 only).
i Put the probe in position and take the readings.
²
Changing tthe uupper mmeasurement cchannel lline ddisplay:
i Press .
²
Changing tthe llower mmeasurement cchannel lline ddisplay, sshowing tthe
max./min. vvalue oof tthe vvariable iin tthe uupper mmeasurement cchannel lline:
i Press .
- The following are displayed in consecutive order:
· Available measurement channels
· Maximum value of the variable in the upper display line
· Minimum value of the variable in the upper display line
· Lower measurement line not shown
²
Resetting mmax./min. vvalues:
The minimum or maximum values of all measurement channels are reset.
1 Press several times until the maximum or minimum value is displayed.
2 Reset the max./min. values with .
²
Holding rreadings:
i Press .
i Press to change back to displaying the actual reading.
Act
Hold
Reset
7. Measuring 57
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TESTO 435 Series Specifications

General IconGeneral
Temperature - NTC-20 to +70 °C
Temperature - Thermocouple Type K-50 to +1000 °C
Air Humidity0 to 100 %RH
CO20 to 10000 ppm
Dimensions220 x 74 x 46 mm
Measurement ParametersTemperature, Humidity, Air Velocity, Light Intensity, CO2
DisplayLCD
InterfaceUSB
Power SupplyBattery
Air Velocity - Thermal0 to +20 m/s
ResolutionVaries by parameter
AccuracyVaries by parameter
Battery Life20 h

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