User Manual

22 GMC-I Messtechnik GmbH
Control Functions
4.5 Measurement Data Recording – Memory Mode Operation, STORE
Menu Function
The system multimeter is capable of recording measurement data
using an adjustable sampling rate for long periods of time in the
form of measurement series. Data are stored to permanent
memory, an68: EnErGY Submenud are retained even after the
multimeter is switched off, as well as after battery replacement.
Stored measured values can subsequently be read out at the
computer. The only prerequisite is a PC which is connected by
means of an interface cable to the USB X-TRA bidirectional inter-
face adapter, which is plugged onto a system multimeter. See
also section 7, “Interface Operation”.
Memory Parameters Overview
Preparing for Recording – Parameter Settings
Ð First set the sampling rate for memory mode operation (see
section 6.4 the rAtE parameter).
Ð Set hysteresis for efficient use of available memory space.
During memory mode operation, new measured data are only
saved if they deviate from the previously stored value by an
amount which exceeds the selected hysteresis value (see
section 6.4, “hyst” parameter).
Ð Set “t.StorE” in order to limit recording duration.
Ð First select the desired measuring function and an appropriate
measuring range.
Ð Check the battery charge level before starting long-term mea-
surement recordings (see section 6.3).
Connect the NA X-TRA power pack if applicable.
Starting Recording via Menu Functions
Ð Switch to the “SET” mode by pressing MEASURE | SETUP and
select the “StorE” menu.
1nFo
 ...  StorE store off StArt (blinks)
store
Ð Memory mode operation is started by acknowledging the
blinking “start” prompt at the main display with the FUNC |
ENTER key. The
STORE display segment appears in the header
and indicates that the memory mode has been activated.
“store” appears at the main display.
Ð Press the MEASURE | SETUP key in order to return to the measur-
ing function.
Parameter Page: Header
CLEAr
23: Clear Memory
dEMAnd
tiME
66: tEMP unit – Select a Unit of Measure for Temperature
EMpty
23: Clear Memory – appears after CLEAr
hyst
73: HYSt – Hysteresis (parameter for memory mode operation)
0CCvP
23: Querying Memory Occupancy
rAtE
68: EnErGY Submenu
StArt
22: Starting Recording via Menu Functions
StoP
23: Ending Recording
t.store
74: tStorE – Recording Time (parameter for memory mode operation)
MEASURE
SETUP
FUNC
ENTER
FUNC
ENTER