Testboy TB 318 Manual De Instrucciones página 25

Frequency
Set the selector switch to "Hz". Connect the black test lead with the "COM" jack and the
red test lead with the "V/Ω" jack. Connect the test leads with the test object and read off
the measurement result from the display.
Measurement
range
10 Hz
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
10 MHz
Overvoltage protection: 250 V RMS
Duty cycle
Set the selector switch to "%/Hz". Press the "SEL" button. Connect the black test lead
with the "COM" jack and the red test lead with the "V/Ω" jack. Connect the test leads with
the test object and read off the measurement result from the display.
Measurement range
0 – 99 %
Overvoltage protection: 250 V RMS
Automatic switch-off
The instrument switches off after approx. 15 minutes (APO). Pressing and holding down the
"HOLD" button switches on the Auto Power Off function. If the "SEL" button is held down while
switching on, the Auto Power Off function is switched off.
Backlighting
Pressing the "BL" button switches on the backlighting.
The lighting switches off automatically after approx. 15 seconds. If the button is pressed and
held down, measurement location lighting is switched on.
Save function (HOLD)
In difficult measurement positions, it may not be possible to read the display correctly.
Pressing the "HOLD" button freezes the real reading, which can then be read off when conven-
ient.
Pressing the "HOLD" button again returns the instrument to normal measuring mode.
®
Testboy TB 318
Resolution
0.001 Hz
0.01 kHz
0.1 Hz
1 Hz
10 Hz
100 Hz
1 kHz
Resolution
0.1 %
Operation
Accuracy
±1 % + 5 digit
Accuracy
±3 % + 2 digit
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