now the scan period maximum is bigger, that is the only change

myWidgets.py

@@ -59,7 +59,7 @@ class anal_control_signal(QWidget):
 
         self.scan_sb_start =  pg.SpinBox(value = 0, bounds=[self.min, self.max], step = self.step, siPrefix = self.siPrefix, suffix = self.suffix)
         self.scan_sb_stop =    pg.SpinBox(value = 0, bounds=[self.min, self.max], step = self.step, siPrefix = self.siPrefix, suffix = self.suffix)
-        self.scan_sb_period = pg.SpinBox(value = 1, bounds=[0, 300], step = 0.1, siPrefix = True, suffix = 's')
+        self.scan_sb_period = pg.SpinBox(value = 1, bounds=[0, 10000], step = 0.1, siPrefix = True, suffix = 's')
         
         
         self.scan_button.clicked.connect(self.doScanAction)