Frequency Measurement; Replacing The Battery; Technical Data - TESTBOY Profi III LCD+ Bedienungsanleitung

Technical data

Frequency measurement

During the voltage measurement, the frequency of the AC voltage applied is recorded and indicated on the display
by the small figures.

Replacing the battery

If the battery symbol appears on the display, immediately replace the batteries in order to ensure accuracy of the
measurement values.
To replace the batteries, open the battery compartment on the main housing. Use a screwdriver and release the
screws. When inserting the batteries, ensure that the polarity is correct.
Close and attach the battery compartment.
Batteries must not be disposed of with normal domestic waste. There will be a collection point
near you!
Technical data
Display
Rated voltage range
Frequency indication
Phase sequence indication
Input impedance
Switchable load
Duty cycle
Continuity test
Resistance measurement
Protection class
Overvoltage category
Testing standard
Voltage supply
16
LC display with backlighting
3...1000 V AC (TRMS) + -3digits
4...1400 V DC + -3digits
0...1000 Hz
Yes
285 k
30 mA at 230 V AC
max. 30 s on \ 240 s off
0...50 
1...1999  ± 5 %
IP 65
CAT IV 1000 V
IEC/EN 61243-3
2 × 1.5 V Type AAA Micro
®
Testboy Profi III LCD+