Ballantine 1620A, Instruction Manual

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CERTIFICATION
Ballantine Laboratories, Inc. certifies that this equipment meets all applicable Ballantine
specification
at
time of shipment from the factory
a
s determined by thorough testing and inspection. Ballantine further
certifies that its measurements are traceable to the United States National Institute of Standards and
Technology. All instruments used in calibrating Ballantine products are standardized by systematic reference
to NIST-traceable Standards äs described in the validation procedures shown below.
REFERENCE STANDARDS
DC 10 mV – 750 V 0.002 – 0.003%
20 Hz - 50 kHz
0.5 V – 500 V 0.004%
20Hz - 10 MHz
0.5 V – 100 V 0.05%
DC - 30 MHz
0.5 V – 100 V 0.35%
DC - 700 MHz
10
u
V – 0.5 V 1% - NIST
10 MHz - 1000 MHz
1 V – 300 V 1% - NIST
WORKING STANDARDS
THERMAL VOLTAGE CONVERTERS,
BALLANTINE 1397A
TRANSFER STANDARD
, BALLANTINE 1605A
MICROPOTENTIOMETERS
, BALLANTINE 440
RATIO TRANSFORMERS,
GERTSCH
Ballantine's Quality Assurance program satisfies the requirements of MIL-l-45208.