Exemplo de Gráfico Medidor


google.charts.load('current' , {'packages': ['gauge']});

google.charts.setOnLoadCallback( drawChart );


function drawChart(){
    var data = google.visualization.arrayToDataTable([
      ['Label', 'Value'],
      ['Memória', 80],
      ['CPU', 55],
      ['Rede', 68]
    ]);

    var options = {
      width: 500, height: 300,
      redFrom: 90, redTo: 100,
      yellowFrom:75, yellowTo: 90,
      minorTicks: 5
    };

    var chart = new google.visualization.Gauge(document.getElementById('chart_div'));

    chart.draw(data, options);
}