Keysight Technologies · Electronic Components
400H
Voltmeter — Test Instruments
Part Number400H
ManufacturerKeysight Technologies
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-557-8261 (NSN)
Federal Item NameVOLTMETER
Federal Supply Class6625 — Test Instruments
Measurement Range+0.0 TO 100.0 VOLTS, AC SINGLE INDICATOR FIRST RANGE
Operating Voltage Rating In Volts115.0 AC NOMINAL AND 230.0 AC NOMINAL
Scale Division Quantity12 SINGLE INDICATOR SINGLE RANGE
Surface TreatmentENAMEL
Accuracy In Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
PhaseSINGLE
Precious MaterialSILVER
Power SourceEXTERNAL
Overall Length12.000 INCHES NOMINAL
Overall Width11.500 INCHES NOMINAL
Frequency Rating50.000 HERTZ MINIMUM AND 420.000 HERTZ MAXIMUM
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 400H available?
We can source 400H 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 400H by Keysight Technologies obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 400H 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 400H?
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 400H?
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.