Current Probe Models MR417/MR527 3
CONTENTS
1 DESCRIPTION…….......................................................................................... 7
1.1 Interface .................................................................................................................. 8
1.1.1 MR417................................................................................................ 8
1.1.2 MR527................................................................................................ 9
2 OPERATION .................................................................................................. 10
2.1 Battery Installation................................................................................................ 10
2.2 External Power (Optional).................................................................................... 10
2.3 Turning ON the Instrument .................................................................................. 11
2.4 Auto Standby........................................................................................................ 11
2.5 DC Zero Adjustment ............................................................................................ 11
2.6 Measurements ..................................................................................................... 12
2.6.1 Making a Measurement.................................................................... 12
2.6.2 Converting to Current ....................................................................... 12
3 SPECIFICATIONS ......................................................................................... 13
3.1 Reference Conditions .......................................................................................... 13
3.2 Electrical Specifications ....................................................................................... 13
3.2.1 Electrical Specifications, 1mV/A Sensitivity ...................................... 13
3.2.2 Frequency Specifications, 1mV/A Sensitivity.................................... 17
3.2.3 Electrical Specifications, 10mV/A Sensitivity .................................... 19
3.2.4 Frequency Specifications, 10mV/A Sensitivity.................................. 23
3.3 Operating Limits ................................................................................................... 25
3.4 Variations in the Range of Use............................................................................ 26
3.5 Power Supply ....................................................................................................... 26
3.6 Environmental Conditions.................................................................................... 27
3.7 Mechanical Specifications ................................................................................... 28
3.7.1 Housing Protection ........................................................................... 30
3.8 International Standards........................................................................................ 30
3.9 Electromagnetic Compatibility ............................................................................. 30
4 MAINTENANCE............................................................................................. 31
4.1 Cleaning................................................................................................................ 31
4.2 Battery Replacement ........................................................................................... 31
REPAIR AND CALIBRATION ........................................................................... 32
TECHNICAL AND SALES ASSISTANCE ......................................................... 32
LIMITED WARRANTY ....................................................................................... 33
Warranty Repairs ....................................................................................................... 33
