CALIBRATION
40
CALIBRATION PROCEDURES
This instrument has been fully calibrated at the factory in accordance to our
published specifications. It has been calibrated with standards traceable to NIST.
You will find in this manual a copy of the "Certificate of Calibration". It is
recommended that you have this instrument recalibrated and a safety check done at
least once per year. AR recommends you use "Calibration Standards" that are
NIST traceable, or traceable to agencies recognized by NIST to keep this
instrument within published specifications. End user metrology standards or
practices may vary. These metrology standards determine the measurement
uncertainty ratio of the calibration standards being used.
Calibration Equipment Required:
The following equipment will be needed to properly calibrate your instrument.
1). Digital Multimeter with the minimum ranges;
AC Voltage: 5,000 volts
AC Current: 100mA range.
2). 10K
Ω
/100Watt resistor
100K
Ω
/10Watt resistor
1. CALIBRATION PROCEDURE:
Model 4500D
To enter the calibration mode the instrument must be in the OFF position. Using a
pen or small screwdriver, press and hold the recessed calibration key on the rear
panel, then turn on the Input Power Switch.
For model 4500D the display will show:
CAL Mode
SET:V
∨
:A
Press the SET key for kilovolts calibration, Down Arrow key (
∨
) for milliamps.
1.1.
Equipment needed: STANDARD AC VOLTMETER capable of measuring
5000VAC.
Please connect a standard ac voltmeter with 5000V minimum full-scale range to
the high voltage and return connectors.
Summary of Contents for Hypot II 4500D
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