Witschi Q Test 3000 ( 1977 )
The Qtest 3000 is an extremely versatile instrument for testing quartz watches. The meassuring feature is, " rate variation tests for all kind of quartz watches as well as tuning and mechanical watches "
1 - Acoustic Sensor.
2 - Magnetic/capacitor Sensor.
3 - Display lights up if the result for the rate measurement is displayed in seconds per month.
4 - Rotary knob to change ON/OFF and the value of selected parameter : ( 32.768 khz , 786 khz, 4.19 mhz )
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