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GALVANOMETER Catalog Download SPECIFICATION : A2707(113X106X46Xmm, 0.9kg)   The A2707 is a compact transistorized electronic galvano meter using a battery. With sensitivity of 10µV/div, this instrument is highly suited to field measurements and as an indicator for complex measuring instruments.  - STABLE MEASUREMENT  - SIMPLE MANIPULATION  - OVERVOLTAGE PROTECTING CIRCUIT     An overvoltage protecting circuit perevents inatrument damage     even at 5V input.  - LONG OPERATION BY BATTERY POWER     The battery life is some 300hours. SPECIFICATION : Measuring Range :   ±250µV +20% -10% Maximum Sensitivity :   10µV/div. Input Resistance :   Approx. 9kΩ Response Time :   Approx. 3seconds Common Mode Rejection :   More than 140dB at DC and line frequencies   (50 or 60Hz) Normal Mode Rejection :   More than 60dB Vibration of Pointer :   Less than 1µV(peak-to-peak) Drift:   Less than 1µV/10minutes or 2µV/20°c Max. Input Viltage:   5V Power Source :   Single 9V battery (JIS 006P, ANSI 6F22,   Energieblock 9V or equivalent) Battery Life :   Approx. 300hours (continuous)