diff --git a/log_sds.py b/log_sds.py
index c25b614..8573e3c 100644
--- a/log_sds.py
+++ b/log_sds.py
@@ -144,7 +144,7 @@ def main(args):
     cf=open(configfile,"r")
     log_conf=json.load(cf)
     cf.close()
-    parameter={"device":socket.gethostname(),"mean_count":5,"ring_length":10,"wait":0.5,"sigma":2}
+    parameter={"device":socket.gethostname(),"mean_count":5,"ring_length":10,"wait":0.5,"sigma":2,"cycle":5}
     for n in parameter:
       if n in log_conf:
         parameter[n]=log_conf[n]
@@ -176,8 +176,8 @@ def main(args):
         for n in range(5):
             pm_data=sensor_read()
             if(pm_data[0]>0):
-                pm25.append(1000*pm_data[0])
-                pm10.append(1000*pm_data[1])
+                pm25.append(pm_data[0])
+                pm10.append(pm_data[1])
             time.sleep(2)
 #        export_data(round(pm25/pm_count,1),round(pm10/pm_count,1))
 #        sensor_sleep()
diff --git a/meas_data.py b/meas_data.py
index eb07721..bac3952 100644
--- a/meas_data.py
+++ b/meas_data.py
@@ -79,7 +79,7 @@ class meas_data:
 				if self.stat_val_std==0:
 					self.stat_val_std=abs(self.stat_val_mean/100)
 				nmean=numpy.mean(self.mval)
-				nstd=10**round(numpy.log10(numpy.maximum(0.001,numpy.std(self.mval))))
+				nstd=10**(round(numpy.log10(numpy.maximum(0.001,numpy.std(self.mval))))-1)
 				nmean=round(nmean/nstd,0)*nstd
 				self.act_value=int(self.mult*nmean)
 				self.act_std=int(self.mult*numpy.std(self.mval))