Picotest M3500A - General Information

4
44
4
3.7.2 RTD Measurements ............................................................................... 44
3.7.2.1 2-Wire RTD Measurements .................................................................. 45
3.7.2.2 3-Wire RTD Measurements .................................................................. 46
3.7.2.3 4-Wire RTD Measurements .................................................................. 48
4 FRONT PANEL OPERATIONS ...................................................................................... 51
4.1 M EASUREMENT C ONFIGURATION .............................................................................. 51
4.1.1 Set ADC (Auto Zero) ............................................................................. 51
4.1.2 Filter ............................................................................................................ 53
4.1.2.1 AC Filter ...................................................................................................... 54
4.1.2.2 Digital Filter .................................................................................................. 55
4.1.3 Resolution Setting (Digits) ................................................................. 57
4.1.4 DC Input Resistance ............................................................................. 59
4.1.5 Threshold Resistance (Continuity)................................................... 60
4.1.6 Range (Manual & Auto) ....................................................................... 61
4.1.7 Rate (Integration Time) ....................................................................... 63
4.1.8 Sensor Selection for Temperature Measurements ...................................... 65
4.1.9 Remote Interface Selection ................................................................ 69
4.1.10 Input Terminal Switch ....................................................................... 69
4.2 T RIGGER O PERATIONS ............................................................................................... 70
4.2.1 Trigger Mode ............................................................................................ 71
4.2.2 Trigger Source ......................................................................................... 72
4.2.3 Trigger Setting ........................................................................................ 74
4.3 M ATH O PERATIONS .................................................................................................... 79
4.3.1 Ratio ............................................................................................................ 79
4.3.2 % (Percent) .............................................................................................. 80
4.3.3 Min/Max ..................................................................................................... 82
4.3.4 Null .............................................................................................................. 83
4.3.5 Limits Test ................................................................................................ 85
4.3.6 MX+B .......................................................................................................... 87
4.3.7 dB/dBm ...................................................................................................... 90
4.4 O THER S YSTEM R ELATED O PERATIONS .................................................................... 94
4.4.1 Display ........................................................................................................ 94
4.4.2 Beeper ........................................................................................................ 96
4.4.3 Reading Memory (Store & Recall) ................................................... 97
4.4.4 Sensitivity Band (Hold) ........................................................................ 99
4.4.5 Scanning (Scan) ................................................................................... 100