Greiner Vibrograf Compact 900 User Manual page 25

Find unknown beat rate for pendulum clocks
Menu
To find out the correct beat rate of the pendulum clock:
1. Set pendulum clock e.g. on 6.00 o´clock. Press button« start measure »
2. Let the clock run for a certain time, for example 2 hours.
3. After a time xx , press button « stop measure ».
Menu
4. Press button „value" in order to give in the passed time of the pendulum
( for example) 2 hours, 2 minutes, 0 seconds
5. Press button „set target rate "
6. Press button „ start diagram". Now it is possible to adjust the pendulum.
Menu pendulum clock
Auto mode, pendulum clock
Target rate:
actual beat rate:
average beat rate:
measure time:
Menu pendulum clock
Auto mode, pendulum clock
Target rate:
actual beat rate:
average beat rate:
measure time:
time of pendulum:
*******
8965 b/h
8965 b/h
02:10:00
stop
measure
Value
*******
8965 b/h
Value
8965 b/h
02:10:00
02:10:00
set
target
rate
25