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24
Baker Instrument Company
The Measure of Quality
8.
EEPROM IC U3 is now at revision level 1.37. These firmware revision changes have
added the following capability. A Polarization Index clock was added so that the
operator can reset the clock after proper test voltage was reached, resulting in a full
one or ten minute megohm test. Other changes in the firmware have added the
capability to recall in any summary all three-surge test patterns with the test voltages
of each lead displayed. This 1.37 revision change is necessary to upgrade to an inkjet
Epson 640 printer or compatible printer. It is also necessary to be installed if this
tester is used with MTA for Windows operating software system.
9.
A/D board grounding changes, clamping diodes and bypass capacitors were added to
increase the reliability of IC U14.