Ohio Semitronics Inc. · Electronic Components
WH3-1791
Wattmeter — Test Instruments
Part NumberWH3-1791
ManufacturerOhio Semitronics Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-277-7005 (NSN)
Federal Item NameWATTMETER
Federal Supply Class6625 — Test Instruments
Frequency Rating60.0 HERTZ NOMINAL
Frequency Response Range+50.0 TO 70.0 HERTZ
Installation DesignCABINET
Operating Voltage Rating In Volts440.0 AC NOMINAL
Accuracy RatingPORM 2 PCT OF READING PLUS 3 DIGITS SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
ColorBLACK BACKGROUND SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Display Digit Quantity3-1/2
Display TypeLIGHT EMITTING DIODE (L.E.D.).
Display ColorRED 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 WH3-1791 available?
We can source WH3-1791 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 WH3-1791 by Ohio Semitronics Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If WH3-1791 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 WH3-1791?
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 WH3-1791?
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.