General directions
6,000- and 60,000-count digital multimeters
7
General directions (continued)
Maintenance
•
Disconnect
everything
connected to the instrument and press the
ON/OFF
key (
)
.
•
Use a soft cloth, moistened with soapy water.
•
Rinse with a damp cloth and dry rapidly with a dry cloth or forced air.
•
Make sure that no foreign objects interfere with the operation of the device
by which the leads are snapped into place.
Replacing
the fuse
y
Before replacing the fuse (reached by
opening the bottom compartment), disconnect
the instrument from any source of current.
During the replacement, make sure that only a
fuse of the appropriate rating and specified
type is used. Using another type of fuse and
shorting the fuse holder are strictly forbidden.
y
Checking the current fuse:
Fuse: SIBA/5019906
MTX 3291:
11A: 10x38 – 1,000V - F
breaking capacity: >20kA
MTX 3290:
10A: 6x32 - 600V - F
breaking capacity: >50kA
Rechargeable
and primary batteries
The multimeter is powered by primary or rechargeable batteries (see above).
To charge the rechargeable
batteries (set of 4 NI-MH LSD
batteries), use an external rapid
charger, available as an
accessory
.
*
After replacing the batteries,
wait 10s before switching the instrument back on.
Active
communication
interface
(
MTX 3291
only
)
The multimeter can communicate with a PC via the USB link.
The basic version includes a USB link using an isolated optical USB cord (type
HX0056Z) and SX-DMM software, plus Labview and Labwindows drivers to
program the devices.
*
MTX 3291: They can also be programmed via the SCPI protocol:
- to program via Labview/LW
- to recover data or program the instrument using the software
- to calibrate the MTX 3291
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