User Manual
15
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2.4 Connection of the Input Unit
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.4.2 8937 VOLTAGE/TEMP UNIT
WARNIN
G
・Never connect the probe to the 8826 while the probe is already
connected to the measurement object. Otherwise there is a risk of
electric shock.
・A common GND is used for voltage and temperature input on all
channels. Never input voltage and temperature simultaneously, since
doing so could result in damage to the sample being tested.
・When an uninsulated thermocouple is used to measure temperature at
a point carrying electric potential, take care not to touch the terminals
and connector screws. Otherwise there is a risk of electric shock.
CAUTIO
N
When disconnecting the BNC connector, be sure to release the lock before
pulling off the connector. Forcibly pulling the connector without releasing the
lock, or pulling on the cable, can damage the connector.
Outer insulation (mantle)
Inner insulation
Thermocouple leads
10 mm
25 mm
NOTE
■ Connecting to the connector cable (voltage measurement)
(1) Align the BNC connector with the guide groove of the 8826 input
connector, and turn clockwise while pressing in to lock the connector.
(Use the 9198 CONNECTION CORD for voltage measurement with the
8937.)
(2) To remove from the unit, turn the BNC connector counterclockwise to
release the lock, then pull it.
■ Thermocouple connection (temperature measurement)
(1) Strip off the insulation as shown in the illustration.
(2) Push the tab with a flatblade screwdriver or similar.
(3) While keeping the tab depressed, insert a stripped wire into the connector
opening.
(4) Release the tab to lock the wire.
・Use an appropriate tool such as a screwdriver to mount and remove
thermocouples.
・Do not use thermocouples other than the specified types (K,J,E,T,N,R,S,B).
・If the thermocouple is connected in reverse, the temperature reading will
not be correct.