TMK Model 500

TMK, Tachikawa Radio; Miyatani

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unit face
unit face
meter
meter / scale
panel
unit panel
ensemble
Ensemble
inside
showing batteries' holder
manual
manual found on web
schematic
schematic & parts list
inside
tired leather case

Quick reference - TMK Model 500

retailer/manufacturer figures

Serial No. 3146100
DC voltage 0-0.25, 1, 2.5, 10, 25, 100, 250, 500, 1kv volts
30kΩ/volt dc
AC voltage 0-2.5, 10, 25, 100, 250, 500, 1kv volts
15kΩ/volt ac
DC current 0-05, 5, 50, 500mA, 0-12A
Resistance 0-60kΩ, 6MΩ, 60MΩ
(350Ω, 35KΩ, 350KΩ at midscale)
dB (Decibel) -20 to +56dB (0dB 1mW, 600Ω)
Dimensions 160 x 85 x 70 mm / 7.9 x 5.5 x 3.3 inches
Weight 250g approx.
Battery 1 x 1.5v & 1 x 15V
This example Working - complete - more testing to be done.