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Chapter 13 – Parts List
Chapter 13 contains all parts used in the
assembly and sub assembly of any 4100 Series
Ohmmeters. The parts are listed with a
Reference Designator, Valhalla Part Number,
Description, and Manufacturers Part Number.
Chapter 14 – Schematics
Chapter 14 contains all schematics and drawings
for Valhalla 4100 Series Ohmmeters.
Instrument Description
Welcome to the world of low resistance measurement! The precision instrument you have just
purchased offers super-stable measurement capability for hard-to-test items such as transformers,
coils, shunts, and even the resistance of wire itself. Other features include automatic temperature
compensation and recently added interfacing options (Chapter 8). Please read this manual
thoroughly and all accompanying addendums before attempting to operate this instrument.
The 4100 Series Ohmmeters are available with a variety of test probes, accessories, and data
output (see Chapter 4).
Instrument Identification
Valhalla Scientific instruments are identified by a two part serial number. The Serial Tag is
located on the rear or bottom of the instrument. The number is in a form of 00-0000. The first
two digits, called the serial number prefix, indicate the model. It changes only when a change is
made to the instrument. The last 3 or 4 digits, called the serial number suffix, are unique for each
individual unit.
Be sure to include the entire serial number, both prefix and suffix, in any correspondence about
your instrument.
The serial number can also be found on the Main Board, Calibration Tag and Certificate of
Calibration.
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