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20 Chapter 1

General Information

Required Equipment

Power Meter Accuracy Test

This test is intended for power meters used in testing the E5061A/E5062A. The “Dynamic

Accuracy Test” requires the use of a power meter that has been calibrated to a higher

accuracy than the standard power meter.

Power meters with options G12 and H12 specify an improved instrument accuracy over a

limited power range. (These power meters do not contain unique hardware.) A power

meter may be returned to the factory to have one of these options added to an existing

power meter or to renew the calibration for one of these options.

This test procedure is an alternative to returning the power meter to the factory. When a

power meter passes this test, it is considered to be calibrated for the G12 or H12 option

even though it has not been returned to the factory.

Power Meters That Can Be Tested Using This Procedure

This procedure assume that the E4419B power meter is being tested.

NOTE It is recommended that the revision number for the power meter “Main Firmware” be

Ax.03.00 or higher.

Equipment Used for the Power Meter Accuracy Test

Description of the Test

The power meter accuracy is verified for various power inputs and the actual readings are

recorded in a test record. A range calibrator is used to provide the reference inputs.

NOTE It is recommended that a copy of the test record on page 24 be made, and the values be

recorded on the copy, thus preserving the original for future use.

Equipment Type Recommended Model

or Part Number

Alternate

Model or Part Number

Range calibrator Agilent 11683A None

Precision digital

voltmeter

Agilent 3458A Any with the required

accuracy and resolution

Power sensor

cable

Agilent 11730A, p/n

8120-8319

Any equivalent

Cable, BNC, 50  Any Any

Adapter for

connecting BNC

cable to DVM

inputs

Any Any

*1.Required accuracy and resolution at the following voltage levels:

14 mV input: 0.0100% accuracy, 10 nV resolution

0.14 V input: 0.0050% accuracy, 100 nV resolution

0.45 V input: 0.0030% accuracy, 100 nV resolution