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SIEMENS & HALSKE
LABOR DC AMPERE METER
Have a Look at the » Low-Level Version «
... and the » LABOR DC ZERO MIKRO-AMPERE-METER « ...
Dimension ( W-D-H ) 110 mm x 115 mm x 50 mm / 4_1/4" x 4_1/2" x 2"
D C - A M P E R E M E T E R SIEMENS & HALSKE / Germany (1930)
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CLASS 1 100 mA / 100 mV / 1 Ω Ranges: 0.1 A ; 1 A ; 10 A
Housing is made of metal. The instrument came sealed, but the seal
had to be broken for maintenance: The needle was not free moving ...
1st a brass "TOOL" had to be made to open the SPECIAL NUTS ...
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... after removing the bottom: ON TOP THE SHUNTS are to see!
After taking the instrument out of its case: CAREFULLY MANIPULATION
with an I N T E R - D E N T A L B R U S H and B L O W I N G
the tiny obstacle could be removed and also glass & scale cleaned.