15
Chapter 4 Optional Equipment
General
The 4100 series of Ohmmeters are shipped with a detachable power cord and an Operation Manual
as standard equipment. This Chapter lists several items that may be desirable for special
applications.
Available Options
Listed below are the options available for use with the 4100 Series of Ohmmeters.
Temperature Compensators
Models 4100ATC and 4150ATC may utilize a compensating sensor to provide resistance
readings that have been corrected for temperature changes. Options AL and CU simulate
a constant-temperature chamber referenced to either 20°C or 25°C. The temperature
coefficient of Option CU is 3931ppm/°C. The temperature coefficient of Option AL is
4030ppm/°C.
Option CK: Compensator Extension Cable
This option is a shielded extender cable to allow an Option "CU" or "AL" to be mounted
up to 48" away from the ohmmeter
Option RX3: Rack Mount Adapter
The 4100 Series of ohmmeters may be mounted in a standard 19" equipment rack using
these optional rack ears. The standard rack ears are designated as Option RX3.
Test Leads
Option K: 4-Wire Kelvin Lead Set
Option "K" is a shielded, 4-wire Kelvin cable set, forty-eight inches in length terminated
in "KCS" gold-plated clips. Option "K" is the recommended general purpose lead set for
most applications.
Option KCS: Kelvin Clips
Option "KCS" are the gold-plated Kelvin clips used on the Option "K" lead set for 4-wire
measurements of smaller components and leads. Clips open to 1/2 inch and
accommodate test currents of up to 10 amperes.
Option JAWS: Heavy-Duty Clips
Option "JAWS" are the heavy-duty clamps used to terminate Option "KK".
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