diff --git a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer
index a15ff07c0..3e838ccb2 100755
Binary files a/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer and b/slsDetectorServers/ctbDetectorServer/bin/ctbDetectorServer_developer differ
diff --git a/slsDetectorServers/slsDetectorServer/src/AD7689.c b/slsDetectorServers/slsDetectorServer/src/AD7689.c
index a21913fc4..278952ea7 100755
--- a/slsDetectorServers/slsDetectorServer/src/AD7689.c
+++ b/slsDetectorServers/slsDetectorServer/src/AD7689.c
@@ -68,6 +68,8 @@
 
 #define AD7689_INT_REF_MAX_MV               (2500) // chosen using reference buffer selection in config reg
 #define AD7689_INT_REF_MIN_MV               (0)
+#define AD7689_INT_REF_MAX_UV               (2500 * 1000) 
+#define AD7689_INT_REF_MIN_UV               (0)
 #define AD7689_INT_MAX_STEPS                (0xFFFF + 1)
 #define AD7689_TMP_C_FOR_1_MV               (25.00 / 283.00)
 
@@ -144,14 +146,14 @@ int AD7689_GetTemperature() {
 }
 
 int AD7689_GetChannel(int ichan) {
-   // filter channels val
-   if (ichan < 0 || ichan >= AD7689_NUM_CHANNELS) {
+    // filter channels val
+    if (ichan < 0 || ichan >= AD7689_NUM_CHANNELS) {
        FILE_LOG(logERROR, ("Cannot get slow adc channel. "
                "%d out of bounds (0 to %d)\n", ichan, AD7689_NUM_CHANNELS - 1));
        return -1;
-   }
+    }
 
-   AD7689_Set(
+    AD7689_Set(
            // read back
            AD7689_CFG_RB_MSK |
            // disable sequencer (different from config)
@@ -167,15 +169,17 @@ int AD7689_GetChannel(int ichan) {
            // overwrite configuration
            AD7689_CFG_CFG_OVRWRTE_VAL);
 
-   int regval = AD7689_Get();
+    int regval = AD7689_Get();
 
-   // value in mV
-   int retval = 0;
-   ConvertToDifferentRange(0, AD7689_INT_MAX_STEPS,
+    // value in uV
+    int retval = ((double)(regval - 0) * (double)(AD7689_INT_REF_MAX_UV - AD7689_INT_REF_MIN_UV))
+            / (double)(AD7689_INT_MAX_STEPS - 0) + AD7689_INT_REF_MIN_UV;
+
+    /*ConvertToDifferentRange(0, AD7689_INT_MAX_STEPS,
            AD7689_INT_REF_MIN_MV, AD7689_INT_REF_MAX_MV,
-           regval, &retval);
-   FILE_LOG(logINFO, ("\tvoltage read for chan %d: %d mV\n", ichan, retval));
+           regval, &retval);*/
 
+   FILE_LOG(logINFO, ("\tvoltage read for chan %d: %d uV (regVal: %d)\n", ichan, retval, regval));
    return retval;
 }
 
diff --git a/slsDetectorSoftware/include/Detector.h b/slsDetectorSoftware/include/Detector.h
index 982a06f00..e32635523 100644
--- a/slsDetectorSoftware/include/Detector.h
+++ b/slsDetectorSoftware/include/Detector.h
@@ -1036,7 +1036,7 @@ class Detector {
     Result<int> getMeasuredCurrent(defs::dacIndex index,
                                    Positions pos = {}) const;
 
-    /** [CTB] Options: SLOW_ADC0 - SLOW_ADC7  in mV */
+    /** [CTB] Options: SLOW_ADC0 - SLOW_ADC7  in uV */
     Result<int> getSlowADC(defs::dacIndex index, Positions pos = {}) const;
 
     /** [CTB]*/
diff --git a/slsDetectorSoftware/src/CmdProxy.cpp b/slsDetectorSoftware/src/CmdProxy.cpp
index ec9c222a0..0d72860f4 100644
--- a/slsDetectorSoftware/src/CmdProxy.cpp
+++ b/slsDetectorSoftware/src/CmdProxy.cpp
@@ -1416,7 +1416,11 @@ std::string CmdProxy::SlowAdc(int action) {
         } else {
             auto t = det->getSlowADC(
                 static_cast<defs::dacIndex>(nchan + defs::SLOW_ADC0), {det_id});
-            os << OutString(t) << " mV\n";
+            Result<double> result(t.size());
+            for (unsigned int i = 0; i < t.size(); ++i) {
+                result[i] = t[i] / 1000.00;
+            }    
+            os << OutString(result) << " mV\n";
         }
     } else if (action == defs::PUT_ACTION) {
         throw sls::RuntimeError("cannot put");
diff --git a/slsSupportLib/include/versionAPI.h b/slsSupportLib/include/versionAPI.h
index 8756d6ee0..8a6c5cb72 100644
--- a/slsSupportLib/include/versionAPI.h
+++ b/slsSupportLib/include/versionAPI.h
@@ -6,7 +6,7 @@
 #define APIJUNGFRAU 0x200226
 #define APIEIGER 0x200226
 #define APIGOTTHARD 0x200226
-#define APICTB 0x200227
 #define APILIB 0x200227
 #define APIRECEIVER 0x200227
 #define APIGUI 0x200227
+#define APICTB 0x200227