TESTO 845 - Performing Measurements with Testo 845; Measurement Point and Distance Optics; Close Focus Measurement Procedure; Far Field Measurement Procedure

18
Ø 20 mm
Ø 16mm
Ø 40 mm
Ø 130mm
Ø 279 mm
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8. Measuring
8. Measuring
This chapter describes the handling steps required to carry out measurements
with the product.
Measurement ppoint, ddistance
Depending on the distance between the measuring instrument and the object
to be measured, a certain measurement point is recorded.
Measurement optics (Ratio distance : measuring point)
Close ffocus mmeasurement
Set close focus measurement in the instrument.
The symbol is shown in the display
If a measurement distance > 250 mm, switch over to far field measurement.
Far ffield mmeasurement
Set far field measurement in the instrument.
The symbol is shown in the display.
70 mm
Ø1 mm
Ø 20mm