testo 475 Bedienungsanleitung Seite 37

Total discharge
protection
the instrument is automatically switched off
Additionally
mains operation if an external power
Flashlight transmitter
Measuring range
Accuracy
Mechanical sensor
Measuring range
Accuracy
Extended warranty periods
Measuring instrument
Sensor
Technical data
• when a cell voltage of
approx. 1.1 V is reached
a warning signal Bat. appears
• when a cell voltage of
approx. 0.95 V has been reached
• Charging time: approx.
3 hoours at 60% of rated capacity,
approx. 14 h at full capacity
• automatic switching to
unit is connected
• Phase correction of input
and output frequency
• Frequency multiplication
at the touch of a button
100 to 20000 rpm
± 1 digit in all ranges
20 to 20000 rpm
± 1 digit in all ranges
1.67 to 333 Hz
0.33 to 333 Hz
24 months
12 month
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