Narda NBM-520 21
Probe with “Push-Pull” connector
Connecting the probe
✓ The red mark on the probe plug (10) is pointing towards
the front of the instrument.
Push the probe plug (10) straight down into the probe
socket (1) until it clicks into place.
The NBM-520 detects the probe type automatically.
The probe type is displayed top left when you switch
on the instrument.
Disconnecting the probe
Slide the sleeve on the probe plug (10) upwards and pull
the probe upwards to remove it.
Probe with threaded coupling
connector
Threaded connectors are now being used for the link
between the probe and the basic unit. For this purpose, the
basic unit is fitted with a longer socket which can be
recognized by the approximately 1 cm long threaded
section. Probes fitted with "push-pull" connectors can still be
used with this connector. Probes with threaded coupling
connectors can only be used with this new, longer
connecting socket.
Connecting the probe
✓ Make sure the guide lug on the probe plug (10) is
pointing towards the front of the instrument.
Push the probe plug (10) straight down into the probe
socket (1) and tighten the threaded coupling using your
thumb and forefinger. Never tighten the coupling using
pliers or other tools.
Disconnecting the probe
Undo the threaded coupling using your thumb and fore-
finger and then pull the probe upwards to release it.
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