diff --git a/log_tristar.py b/log_tristar.py
index 33d6973..a28286a 100644
--- a/log_tristar.py
+++ b/log_tristar.py
@@ -79,6 +79,7 @@ if "tristar" in log_conf:
         if "sqlserver" in log_conf:
           channel_info[i]['meas_data'].set_sql(host=hostname,port=port)
 
+div_scale=2**31
 if btristar:
   while True:
   
@@ -88,14 +89,16 @@ if btristar:
       print("could not get data from tristar")
     else:
       try:
-        channel_info["volt_scale"]['meas_data'].append(int(rr.registers[0]*65536+rr.registers[1]))
+        volt_scale=float(rr.registers[0]*65536+rr.registers[1])/div_scale
       except:
         print("could not read from tristar")
       else:
-        channel_info["amp_scale"]['meas_data'].append(int(rr.registers[2]*65536+rr.registers[3]))
-        channel_info["volt_bat_term"]['meas_data'].append(int(rr.registers[25]))
-        channel_info["volt_bat_sens"]['meas_data'].append(int(rr.registers[26]))
-        channel_info["volt_arr"]['meas_data'].append(int(rr.registers[27])) # Array voltage
+        amp_scale=float(rr.registers[2]*65536+rr.registers[3])/div_scale
+        channel_info["volt_scale"]['meas_data'].append(volt_scale)
+        channel_info["amp_scale"]['meas_data'].append(amp_scale)
+        channel_info["volt_bat_term"]['meas_data'].append(float(rr.registers[25])*volt_scale)
+        channel_info["volt_bat_sens"]['meas_data'].append(float(rr.registers[26])*volt_scale)
+        channel_info["volt_arr"]['meas_data'].append(float(rr.registers[27])*volt_scale) # Array voltage
         channel_info["amp_bat"]['meas_data'].append(int(rr.registers[28])) # Battery current
         channel_info["amp_arr"]['meas_data'].append(int(rr.registers[29])) # Array current
         channel_info["temp_heatsink"]['meas_data'].append(int(rr.registers[35])) # Temperature heatsink