Operation Manual

39
5. PRODUCT DESCRIPTION
The multimeter (referred to as DMM in the following) indicates measured values on a digital display. The DMM mea-
suring value display comprises 100,000 / 10,000 Counts (switchable).
The display can be switched too a smaller resolution. This increases the display speed.
If the DMM is not operated for approx. 30 minutes, the device switches off automatically. This saves battery power
and extends the period of operation. Automatic switching off is deactivated when the interface is switched on.
The meter can be used for do-it-yourself or for professional applications up to CAT IV.
For better readability, the DMM can also be optimally mounted with the standing bracket on the rear.
The battery and fuse compartment can only be opened after all measuring lines were removed from the meter. When
the battery and fuse compartment is opened, the measuring lines cannot be inserted into the measuring jacks. This
improves user safety.
In the voltage and current measurement area, incorrectly connected measuring lines trigger a warning sound and a
flashing display. Connect the measuring lines correctly before measuring.
6. HANDLING AND START-UP
a) Display Indications and Symbols
The symbols and indications are different for each model. This is a list of all the possible symbols and indications for
the VC900 series.
Delta symbol for relative value measurement (=reference value measurement)
AUTO TEST means “automatic measuring range selection”
TrueRMS True root mean square
HOLD Data hold function
AUTO HOLD Automatic freezing of the measured value
Peak HOLD Freezing of the peak value
dB Dezibel – logarithmic measuring unit
STORE Store value
RECALL Restore stored value
LOG RATE Recording rate
MAX Maximum value
MIN Minimum value
AVG Average
SETUP Setup functions for other settings
DATA LOG Data logging
mem Memory slot
DIGIT Display accuracy (decimal digits)
OL Overload = the measuring range was exceeded
OFF Switch position “off”