General Microwave · Electronic Components
478AR-01
Meter, Audio Level
Part Number478AR-01
ManufacturerGeneral Microwave
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-275-9887 (NSN)
Federal Item NameMETER,AUDIO LEVEL
Federal Supply Class6625 — Test Instruments
Overall Width17.000 INCHES NOMINAL
Overall Length18.000 INCHES NOMINAL
Operating Voltage Rating In Volts100.0 AC NOMINAL AND 120.0 AC NOMINAL AND 220.0 AC NOMINAL AND 240.0 AC NOMINAL
PhaseSINGLE
Style DesignatorRECTANGULAR OR SQUARE
Interface CompatibilityIEEE-488
Frequency Rating48.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM
Circuit Current For Which DesignedAC
Installation DesignRACK
Overall Height7.000 INCHES NOMINAL
Measurement Range-20.0 TO 15.0 DECIBELS ABOVE OR BELOW ONE MILLIWATT SINGLE INDICATOR SINGLE RANGE
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
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is 478AR-01 available?
We can source 478AR-01 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 478AR-01 by General Microwave obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 478AR-01 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 478AR-01?
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 478AR-01?
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.