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Chapter 7 - Routine Maintenance
General
This section of the manual contains routine maintenance information regarding the Valhalla Scientific
Model Alpha 4314 Digital Igniter Testers. Calibration should be performed regularly to ensure continued
instrument accuracy. The recommended calibration interval is one year.
Required Test Equipment
Following is a list of the standard resistors and other equipment required to calibrate the Model Alpha
4314.
Note: The Precision Resistors necessary for the calibration of the Alpha 4314 varies based on the installed
ranges.
Precision Resistors:
.1Ω
±
0.01% Accuracy
1Ω
±
0.005% Accuracy 2Ω Range
10Ω
±
0.005% Accuracy 20Ω Range
100Ω
±
0.005% Accuracy 200Ω Range
1KΩ
±
0.005% Accuracy 2kΩ Range
10KΩ
±
0.005% Accuracy 20kΩ Range
100KΩ ± 0.005% Accuracy 200kΩ Ran
ge
1MΩ ± 0.005% Accuracy 2MΩ Range
10MΩ ± 0.005% Accuracy 20MΩ Range
100MΩ ± 0.005% Accuracy 100MΩ Range
Test Leads:
4-Wire Lead Set
(Valhalla Option "K" or "C")
Voltage Standard:
Voltage Calibrator capable of outputting from 0V to negative 150mV, 0.03% Accuracy or better.
DMM:
Model 3458A or equivalent.
Power Supply:
A power supply capable of outputting from 4.6 to 6VDC.
