Valhalla Scientific 4314Ki Operation Manual page 6

Fail-Safe Operation ................................................................................................................................ 18
Low Battery Indicator ............................................................................................................................ 19
5. Optional Features and Accessories .................................................................................................... 20
Options .................................................................................................................................................. 20
Accessories ............................................................................................................................................ 20
A2: Battery Charger ........................................................................................................................... 20
Replacement Batteries ....................................................................................................................... 20
Test Leads .............................................................................................................................................. 20
Alligator Clip Type Leads .................................................................................................................... 20
Needle Type Probes ........................................................................................................................... 21
Surface Probes ................................................................................................................................... 21
Other Lead Sets .................................................................................................................................. 21
6. Remote Operations ............................................................................................................................ 22
Safety Isolated RS-232 Interface ............................................................................................................ 22
Connecting the 4314Ki via RS232 ...................................................................................................... 22
COMMANDS AND SYNTAX ................................................................................................................. 23
DETAILS OF COMMAND REFERENCE .................................................................................................. 23
7. Routine Maintenance ........................................................................................................................ 28
General .................................................................................................................................................. 28
Required Test Equipment ...................................................................................................................... 28
Precision Resistors: ............................................................................................................................ 28
Test Leads: ......................................................................................................................................... 28
Voltage Standard: .............................................................................................................................. 28
DMM: ................................................................................................................................................. 28
Power Supply: .................................................................................................................................... 28
Calibration Procedure ............................................................................................................................ 29
VOLTAGE SENSE ADJUSTMENTS ........................................................................................................ 29
SOURCE ADJUSTMENTS ..................................................................................................................... 31
FAILSAFE CHECK ................................................................................................................................. 31
Checking the Calibration Results ........................................................................................................... 32
½ Scale and Linearity Check ............................................................................................................... 32
Zero Check ......................................................................................................................................... 32
Battery Replacement Instructions ......................................................................................................... 32
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