diff -r 0f15edebc665 -r 61c114afb0ee src/MoniSpindels.cpp
--- a/src/MoniSpindels.cpp	Thu Oct 12 17:03:50 2023 +0200
+++ b/src/MoniSpindels.cpp	Fri Oct 13 14:47:21 2023 +0200
@@ -16,6 +16,7 @@
  */
 #include "MoniSpindels.h"
 #include "DetailiSpindel.h"
+#include "CalibrateiSpindel.h"
 #include "MainWindow.h"
 #include "Utils.h"
 #include "config.h"
@@ -75,16 +76,17 @@
     QTableWidgetItem *item;
 
     QSqlQuery query("SELECT record,alias,node,online,mode,temperature,gravity,beercode,beername FROM mon_ispindels ORDER BY alias");
-    const QStringList labels({tr("Unit"), tr("Node"), tr("Status"), tr("Beer"), tr("Temperature"), tr("SG"), tr("Details")});
+    const QStringList labels({tr("Unit"), tr("Node"), tr("Status"), tr("Beer"), tr("Temperature"), tr("SG"), tr("Cal"), tr("Details")});
 
-    this->tableiSpindels->setColumnCount(7);
+    this->tableiSpindels->setColumnCount(8);
     this->tableiSpindels->setColumnWidth(0, 150);	/* Alias	*/
     this->tableiSpindels->setColumnWidth(1, 120);	/* Node		*/
     this->tableiSpindels->setColumnWidth(2, 100);	/* Status	*/
-    this->tableiSpindels->setColumnWidth(3, 390);	/* Beer		*/
+    this->tableiSpindels->setColumnWidth(3, 330);	/* Beer		*/
     this->tableiSpindels->setColumnWidth(4,  90);	/* Temperature	*/
     this->tableiSpindels->setColumnWidth(5,  90);	/* Gravity	*/
-    this->tableiSpindels->setColumnWidth(6,  90);	/* Edit button	*/
+    this->tableiSpindels->setColumnWidth(6,  60);	/* Calibrate	*/
+    this->tableiSpindels->setColumnWidth(7,  90);	/* Edit button  */
     this->tableiSpindels->setRowCount(query.size());
     this->tableiSpindels->setHorizontalHeaderLabels(labels);
     this->tableiSpindels->verticalHeader()->hide();
@@ -124,7 +126,19 @@
             this->tableiSpindels->setItem(i, 5, new QTableWidgetItem(QString("")));
 	}
 
-	/* Add the Edit button */
+	/* Add the Calibrate button */
+        QWidget* cWidget = new QWidget();
+        QPushButton* btn_cal = new QPushButton();
+        btn_cal->setObjectName(QString("%1").arg(query.value("record").toString()));   /* Send record with the button */
+        btn_cal->setText(tr("Cal"));
+        connect(btn_cal, SIGNAL(clicked()), this, SLOT(on_calButton_clicked()));
+        QHBoxLayout* cLayout = new QHBoxLayout(cWidget);
+        cLayout->addWidget(btn_cal);
+        cLayout->setContentsMargins(5, 0, 5, 0);
+        cWidget->setLayout(cLayout);
+        this->tableiSpindels->setCellWidget(i, 6, cWidget);
+
+	/* Add the Details button */
 	QWidget* pWidget = new QWidget();
 	QPushButton* btn_edit = new QPushButton();
 	btn_edit->setObjectName(QString("%1").arg(query.value("record").toString()));	/* Send record with the button */
@@ -134,7 +148,7 @@
 	pLayout->addWidget(btn_edit);
 	pLayout->setContentsMargins(5, 0, 5, 0);
 	pWidget->setLayout(pLayout);
-	this->tableiSpindels->setCellWidget(i, 6, pWidget);
+	this->tableiSpindels->setCellWidget(i, 7, pWidget);
 	query.next();
     }
     emit setStatus(QString(tr("Total items: %1")).arg(query.size()));
@@ -167,3 +181,18 @@
 }
 
 
+void MoniSpindels::cal(int recno)
+{
+    CalibrateiSpindel dialog(recno, this);
+    dialog.setModal(true);
+    dialog.exec();
+}
+
+
+void MoniSpindels::on_calButton_clicked()
+{
+    QPushButton *pb = qobject_cast<QPushButton *>(QObject::sender());
+    int recno = pb->objectName().toInt();
+    cal(recno);
+}
+