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1.2
Definition of Measurement Categories
CAT I: For measurements on circuits not directly connected to the AC
supply wall outlet such as protected secondaries, signal level,
and limited energy circuits.
CAT II: For measurements performed on circuits directly connected to
the electrical distribution system. Examples are measurements
on household appliances or portable tools.
CAT III: For measurements performed in the building installation at
the distribution level such as on hardwired equipment in fixed
installation and circuit breakers.
CAT IV: For measurements performed at the primary electrical supply
(<1000V) such as on primary overcurrent protection devices,
ripple control units, or meters.
1.3
Receiving Your Shipment
Upon receiving your shipment, make sure that the contents are consistent
with the packing list. Notify your distributor of any missing items. If the equip-
ment appears to be damaged, file a claim immediately with the carrier and
notify your distributor at once, giving a detailed description of any damage.
Save the damaged packing container to substantiate your claim.
1.4
Ordering Information
AC/DC Oscilloscope Current Probe Model MR461 ............. Cat. #1200.72
AC/DC Oscilloscope Current Probe Model MR561 ............. Cat. #1200.73
Both models include a 9V battery and user manual.
1.4.1
Accessories and Replacement Parts
Banana/BNC connector XF-SS (4mm plug adaptor) ........... Cat. #2111.32
4
Shop for AEMC products online at:
AC/DC Current Probe Models MR461 and MR561
ShopAEMC
www.
.ca
1.800.561.8187
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