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Keysight Technologies Inc.  · Electronic Components

428A

Ammeter — Test Instruments

Part Number428A
ManufacturerKeysight Technologies Inc.
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameAMMETER
Federal Supply Class6625 — Test Instruments
Overall Length14.500 INCHES NOMINAL
Overall Width11.500 INCHES NOMINAL
ColorUNABLE TO DECODE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy In Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating15.0 MILLIVOLTS
Furnished Items And QuantityHANDLE 1
Overall Height7.500 INCHES NOMINAL
Features ProvidedZERO ADJUSTER
Circuit Attachment Method And Quan1 PHONE JACK
Scale Selection MethodTERMINAL
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RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant

Frequently asked

Is 428A available?
We can source 428A even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is 428A by Keysight Technologies Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 428A has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like 428A?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for 428A?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.