User's Manual
1587, 1577 SOMV 1 of 1 1/12/2007
Instrument Security Procedures
Model:
Fluke 1587 and Fluke 1577
Product Name:
Insulation Multimeter
Instrument Description:
Insulation Multimeter
Memory Description:
The Fluke 1587 and 1577 each have a single memory device designated as U4.
This device is a Texas Instrument microcontroller, part number MSP430F448,
which contains 48K bytes of Flash memory and 2K byte of RAM. Program code
and calibration constants are stored in the Flash memory. The results of the MIN
MAX AVG function (1587 only) are also temporarily stored in memory.
Memory Cleaning Instructions:
The MIN MAX AVG (1587 only) data is the only user controlled memory
operation. These values are cleared when the function switch is changed or if
the unit is powered off.