Explanation Of The Rotary Selector Switch, Buttons And Sockets; Dc Voltage Measurement - TESTBOY TB-3000 Bedienungsanleitung

Explanation of the rotary selector switch, buttons and sockets

ON/OFF switch
(via rotary selector switch)
Functional button (M)
Memory log button (H)
Light button ( ☼ )
Selector switch,
measurement function
10 A socket (left)
Input socket (right)
Ground socket

DC voltage measurement

Set the selector switch to measurement range V=. Insert the black test lead
into the 'COM' socket and the red test lead into the right-hand socket. Using
the test probes, touch the test points of the test object. The multimeter
automatically searches for the most suitable measurement range. Read
measurement value on the display.
Volts DC
Range
200 mV
2 V
20 V
200 V
600 V
Input impedance: 10 MΩ.
Max. input voltage 600 V DC.
®
Testboy TB-3000
The instrument is turned on by selecting
a measurement range and turned off by
setting the switch to 'OFF'.
Press this button to toggle between the
functions printed on the housing.
Press this button to store the actual
measurement value.
Press this button to turn the torch
function on and off.
Use the rotary selector switch to select
the various measurement modes.
The 10 A socket must be used for
measurements above 250 mA.
Red test lead for all types of signals
supported by the instrument.
Black test lead for all types of signals
supported by the instrument.
Resolution
0.1 mV
0.001 V
0.01 V
0.1 V
1 V
Operation
Accuracy
± 0.5 % of rdg. + 3 digits
± 0.8 % of rdg. + 5 digits
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