diff --git a/include/ec.h b/include/ec.h
index fccb0ec..780df9d 100644
--- a/include/ec.h
+++ b/include/ec.h
@@ -16,18 +16,18 @@ bool ec_flag_measurement_available=false;
 #define EC_RESOLUTION 8
 #define EC_FREQUENCY 5000
 
-#define EC_CALIB_ARRAY_SIZE 64
+#define EC_CALIB_ARRAY_SIZE 256
 uint16_t ec_calib_array[EC_CALIB_ARRAY_SIZE];
 uint16_t ec_calib_array_pos=0;
-#define EC_CALIB_READ_INTERVAL 100 //interval of reading adc value inside a measurement
+#define EC_CALIB_READ_INTERVAL 250 //interval of reading adc value inside a measurement
 
-#define EC_ARRAY_SIZE 64
+#define EC_ARRAY_SIZE 256
 uint16_t ec_array[EC_ARRAY_SIZE];
 uint16_t ec_array_pos=EC_ARRAY_SIZE;
 unsigned long last_measurement_ec=0;
-#define EC_MEASUREMENT_INTERVAL 10000 //complete filtered measurement every x ms
+#define EC_MEASUREMENT_INTERVAL 30000 //complete filtered measurement every x ms
   //One filtered measurement takes EC_READ_INTERVAL*EC_ARRAY_SIZE*4
-#define EC_READ_INTERVAL 5 //interval of reading adc value inside a measurement
+#define EC_READ_INTERVAL 10 //interval of reading adc value inside a measurement. one reading takes about 9-10ms
 
 #define EC_RELAY_SWITCH_SETTLETIME 500  //time until voltage of ec circuit has settled
 
@@ -47,7 +47,7 @@ float ec; //ec value after adjustment for reference (at current temperature)
 float ec25; //ec value but temperature adjusted for 25 degC
 
 float ec_tempadjust_alpa=0.2; //TODO
-float ec_reference_adc=6011.5; //adc reference value for the calibration resistor measurement.
+float ec_reference_adc=6016.88; //adc reference value for the calibration resistor measurement.
 
 //x^0*p[0] + ... + x^n*p[n]
 float ec_calibration_polynom[]={691.5992624638029,-1.4015367296761692,0.0008513503472324141,-2.2140576823179093e-07,2.8962580780180067e-11,-1.8577565383307114e-15,4.7162479484903865e-20};
diff --git a/src/main.cpp b/src/main.cpp
index 4136ed7..2885517 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -75,7 +75,7 @@ void setup() {
 
 
   //Serial.println("time,tempReservoir,ECadcCalib,ECadc,ECadcAdjusted,EC,EC25");
-  Serial.println("time,tempReservoir,ECadcCalib,ECadc,ECadcAdjusted");
+  Serial.println("time,tempReservoir,ECadcCalib,ECadc,ECadcAdjusted,sm");
 
 }
 
@@ -97,7 +97,7 @@ void loop() {
 
   //flow_loop(loopmillis);
 
-  //sm_loop(loopmillis);
+  sm_loop(loopmillis);
  
 
   static bool getReading=false;
@@ -127,9 +127,10 @@ void loop() {
       
       Serial.print(ec_calib_adc); Serial.print(",");
       Serial.print(ec_adc); Serial.print(",");
-      Serial.print(ec_adc_adjusted); //Serial.print(",");
+      Serial.print(ec_adc_adjusted); Serial.print(",");
       //Serial.print(ec); Serial.print(",");
       //Serial.print(ec25);
+      Serial.print(getMean(sm_mean,SM_SIZE));