General Microwave · Electronic Components
1845
Meter, Standing Wave Ratio
Part Number1845
ManufacturerGeneral Microwave
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-143-6714 (NSN)
Federal Item NameMETER,STANDING WAVE RATIO
Federal Supply Class6625 — Test Instruments
Movement TypeMOVING COIL, PERMANENT MAGNET
Dial Scale Marking ColorBLACK SINGLE INDICATOR SEVENTH RANGE
Measurement Range+6.0 TO 15.0 VOLTS, STANDING WAVE RATIO SINGLE INDICATOR SEVENTH RANGE
Indicator TypeDIAL W/POINTER
Mounting Stud Length0.510 INCHES MAXIMUM
Center To Center Distance Between3.000 INCHES NOMINAL
Accuracy In Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Meter Body Diameter Behind Mountin2.760 INCHES MAXIMUM
Scale Selection MethodTERMINAL
Circuit Attachment Method And Quan2 SOLDER LUG AND 2 THREADED STUD
Mounting Facility Type And Quantit4 THREADED STUD(S)
Shunt Position Designator5
Length0.812 INCHES NOMINAL
Spring Free Length2.000 INCHES NOMINAL
Pressure Spring Type And Quantity1 CYLINDRICAL
Top StyleCYLINDRICAL HEAD
Material Document And ClassificatiUNITED STATES GRAPHITE CO,GRADE 235 MFR REF SINGLE MATERIAL RESPONSE
Head Length0.125 INCHES NOMINAL
Thickness0.252 INCHES NOMINAL
Terminal Diameter0.375 INCHES NOMINAL
Terminal Type And Quantity1 ROUND CAP
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 1845 available?
We can source 1845 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 1845 by General Microwave obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 1845 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 1845?
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 1845?
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.