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Weston Instruments Model 622 DC Precision Microammeter Meter 200 uA FS Mirror Scale

This genuine, original Weston Instruments Model 622 200 uA FS (Full Scale) precision microammeter. This instrument is a half percent class device with a large 6 1/4 x 2 3/4, easy to read parallax free mirror scale window and a jeweled analog mechanical meter movement. It is practicallly unused as it was a calibration standard, a foundation instrument in a metrology laboratory. This robust design DC microammeter is made by the once famous, intrumentation pioneer, the Weston Instruments Company in Newark NJ. The Weston Museum, located in New Jersey Institute of Technology in Newark NJ. This item is no longer available!
Weston Instruments Model 622 DC Precision Microammeter Meter 200 uA FS Mirror Scale Table in Cover [10 KB]
Weston Instruments Model 622 DC Precision Microammeter Meter 200 uA FS Mirror Scale [7 KB]
REFERENCE PAGE - INFORMATION ONLY

Features:
DC Microammeter Model 622
MFG: Weston Instruments Company
Range: 200 Micro Amp DC Full Scale
Internal Resistance: 4.0 Ohms @ 25 C
Correct within Half Percent at any part of scale
Temperature Correction Formula
Made and Certified: June, 15, 1942
Mirrored Scale - Shorting switch when closed
Large Movement Window: 6.25 W x 2.75 H [in]
Knurled Bakelite on Brass Terminals
8 W x 7.5 H x 3.8 D with cover [inches]
Made in USA

Notes:
No longer Available
Data For Reference Only
REFERENCE PAGE - INFORMATION ONLY







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