Model #1845

Standing wave ratio meter (NSN 6625-00-143-6714)

Description

2.470 inches maximum overall length, plastic material.

Circuit Current For Which Designed
Dc
Center To Center Distance Between Mounting Facilities Parallel To Length
5.250 inches
Center To Center Distance Between Mounting Facilities Parallel To Width
3.000 inches
Overall Height
4.490 inches
Overall Width
5.620 inches
Mounting Stud Length
0.510 inches
Indicator Type
Dial w/pointer
Installation Design
Panel
Mounting Arrangement Style
Four hole/stud rectangular/square
Sensitivity Rating
1.0 milliamperes
Dial Scale Marking Color
Black single indicator 3rd range
Dial Scale Marking Color
Black single indicator 4th range
Dial Scale Marking Color
Black single indicator 5th range
Dial Scale Marking Color
Black single indicator 6th range
Dial Scale Marking Color
Black single indicator 7th range
Dial Scale Marking Color
Red single indicator 1st range
Dial Scale Marking Color
Red single indicator 2nd range
Accuracy In Percent
-1.0/+1.0 at full scale single indicator all ranges
Accuracy In Percent
-1.0 to 1.0 at full scale single indicator all ranges
Meter Depth Behind Mounting Flange
1.910 inches
Meter Body Diameter Behind Mounting Flange
2.760 inches
Movement Type
Moving coil, permanent magnet
Background Color
White single indicator all ranges
Pointer Color
Red single indicator all ranges
Mounting Facility Type And Quantity
4 threaded stud
Scale Graduation Type
Nonlinear single indicator all ranges
Measurement Range
+0.0/+10.0 decibels single indicator 2nd range
Measurement Range
+0.0/+2.3 decibels single indicator 1st range
Measurement Range
+1.0/+1.3 volts, standing wave ratio single indicator 3rd range
Measurement Range
+1.0/+4.0 volts, standing wave ratio single indicator 4th range
Measurement Range
+1.8/+6.0 volts, standing wave ratio single indicator 5th range
Measurement Range
+3.2/+10.0 volts, standing wave ratio single indicator 6th range
Measurement Range
+6.0/+15.0 volts, standing wave ratio single indicator 7th range
Measurement Range
+0.0 to 10.0 decibels single indicator 2nd range
Measurement Range
+0.0 to 2.3 decibels single indicator 1st range
Measurement Range
+1.0 to 1.3 volts, standing wave ratio single indicator 3rd range
Measurement Range
+1.0 to 4.0 volts, standing wave ratio single indicator 4th range
Measurement Range
+1.8 to 6.0 volts, standing wave ratio single indicator 5th range
Measurement Range
+3.2 to 10.0 volts, standing wave ratio single indicator 6th range
Measurement Range
+6.0 to 15.0 volts, standing wave ratio single indicator 7th range
Mounting Stud Diameter
0.138 inches
Scale Selection Method
Terminal
Features Provided
Knife edge pointer and mirror scale and zero adjuster
Movement Suspension Method
Taut band
Circuit Attachment Method And Quantity
2 solder lug and 2 threaded stud
Special Markings
Exp marked perpendicular to upper two scales
Nuclear Hardness Critical Feature
Nonhardened
Style Designator
Rectangular flush mtg
Fsc Application Data
Test set, elect. Equip.
Description
Meter,standing Wave Ratio
Cage Code
11332

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Updated: 11/24/2024