12
Chapter 4
Optional Equipment
Available Options
Listed below are the options available for use with the Model 4021 Digital Ohmmeter.
Option CC4: Carrying Case
Option "CC4" is a meter and accessory carrying case with extra room for test leads,
power cord, etc.
Option HDB: Battery Operation
The 4021 may be modified at the factory for operation from an internal rechargeable
battery pack. This option was described in Chapter 2.
Replacement batteries for Option HDB are available as Valhalla Stock
№
05-10117
quantity: 4.
Option A: Battery Charger
Option "A" is an AC to DC converter that is used to convert 115VAC line voltage into
6VDC @300mA which is required to recharge the batteries of a 4021 fitted with Option
HDB. One Option "A" is provided if the 4021 has been fitted with Option "HDB".
Additional adapters may be ordered as needed.
Option R4: Rack Mount Adapter
Option "R4" is an adapter tray that allows the Model 4021 to be installed in a standard
19" equipment rack.
Test Leads
Option K: 4-Wire Kelvin Lead Set
Option "K" is the recommended general purpose lead set for all Valhalla Ohmmeters.
Option K is a shielded 48" lead set terminating in ½ inch gold plated clips.
Option MP-S: Single Probe Lead Set
Option "MP-S" is a 4-wire lead set terminated in single points. The 4-wire configuration
is maintained up to the point of the probe, eliminating most cable resistance effects.
Option MP-S may be used where a single probe tip is a must.
Option MP-1: Kelvin Micro-Probes
Option "MP-1" is a 48" shielded lead set (dual banana), handheld pencil type, terminated
in spring loaded steel tips with .05" separation (1 amp max.). Special orders or modified
versions available upon request.
