Digital Alert Systems, Inc. · Electronic Components
257D
Meter, Field Strength
Part Number257D
ManufacturerDigital Alert Systems, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-355-2830 (NSN)
Federal Item NameMETER,FIELD STRENGTH
Federal Supply Class6625 — Test Instruments
Installation DesignBENCH
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Overall Length9.000 INCHES NOMINAL
Overall Depth6.000 INCHES NOMINAL
Measurement Range-0.1 TO 0.1 VOLTS PER METER SINGLE INDICATOR FIRST RANGE
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Circuit Attachment Method And Quan1 SENSOR
Features ProvidedPORTABLE AND INTERNAL BATTERY ACCOMMODATION
Scale Selection MethodSWITCH
Scale Graduation TypeNONLINEAR SINGLE INDICATOR ALL RANGES
Operating Voltage Rating In Volts90.0 AC MINIMUM AND 260.0 AC MAXIMUM AND 6.0 DC NOMINAL
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 257D available?
We can source 257D 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 257D by Digital Alert Systems, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 257D 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 257D?
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 257D?
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.