Add some sleep time between acquisitions

src/tempus/Tempus.py

@@ -280,7 +280,7 @@ class Tempus(Device):
                 "mytpx4.external_t0_sync(delay=False, "
                 f"t0_time={self.t0Time.value})")
 
-        sleep_time_s = self.shutterTime.value / 1000
+        sleep_time_s = self.shutterTime.value / 1000 + 0.5
         for i in range(self.nAcquisitions.value):
             self.status = f"Acquisition #{i}"
             await self.send_command(