Operation Manual

24
4. Measuring and testing
4.1. General information
The upper display line
shows currently selected
measurement range.
When this indication is
ashing you have to con-
nect special accessories
e.g. TMZ or MZ
The lower display line
shows the actual
metered value.
The instrument is switched o automatically
approximately 60 seconds after the last
measurement in order to extend battery life. In the
display the indication „o“ appears (exception: see
section 4.6 frequency measurements). The backlight
turns o when no measurement result is applied or
when the battery is low.
With the ON/OFF button engaging the
METRALINE EXM25 to voltage, call the
display test and switch-o the device.
With the function button you can select
the designated measurement range:
Function upper
display line
Voltage with tip EXM 72010 1000 V
Voltage, automatic range mV, V AuTo
resistance Ω
current I
current with clamp-on ammeter I ashes*
frequency FrE
temperature with TMZ T ashes*
* When the measurement ranges are indicated by a
ashing symbol the connection of special
accessories is necessary, e.g. a clamp-on ammeter or
the temperature transmitter
leading sign
battery status (see section 6)
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