Fluke 1594A, 1595A 2 Introduction and Specications .......................................................... 5, 3 Preparation for Operation ................................................................... 15, 4 Front and Rear Panel Features .......................................................... 17

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Table of Contents
1 Before You Start .................................................................................... 1
1.1 Symbols Used ............................................................................................................1
1.2 Safety Information ......................................................................................................1
1.2.1 WARNINGS .......................................................................................................................1
1.2.2 CAUTIONS ........................................................................................................................2
1.3 Authorized Service Centers .......................................................................................2
2 Introduction and Specications .......................................................... 5
2.1 Introduction ................................................................................................................5
2.2 Specifications ............................................................................................................5
2.2.1 General ..............................................................................................................................5
2.2.2 Primary Specifications.......................................................................................................6
2.2.2.1 Resistance Ratio Accuracy.......................................................................................................6
2.2.2.2 Resistor Stability .......................................................................................................................6
2.2.2.3 Absolute Resistance Accuracy.................................................................................................7
2.2.2.4 Measurement Current Accuracy ...............................................................................................7
2.2.3 Ancillary Specifications .....................................................................................................8
2.2.3.1 Temperature Measurement Noise .............................................................................................8
2.2.3.2 Relative Measurement Current Accuracy .................................................................................8
2.2.4 General Specifications ......................................................................................................9
2.2.5 Applying the Specifications ..............................................................................................9
2.2.5.1 Introduction ...............................................................................................................................9
2.2.5.2 How the Super-Thermometer Measures ...................................................................................9
2.2.5.3 Example 1: Measuring an SPRT .............................................................................................10
2.2.5.4 Example 2: Calibrating an SPRT .............................................................................................12
2.2.5.5 Example 4: Measuring a 100 Ω PRT .......................................................................................13
2.2.5.6 Example 5: Measuring a 10 kΩ Thermistor ............................................................................14
3 Preparation for Operation ................................................................... 15
3.1 Unpacking and Inspection ......................................................................................15
3.2 Instruction Manuals ..................................................................................................15
3.3 Line Voltage and Fuses ...........................................................................................15
3.4 Connecting to Line Power ........................................................................................16
3.5 Placement and Rack Mounting ................................................................................16
4 Front and Rear Panel Features .......................................................... 17
4.1 Introduction ..............................................................................................................17
4.2 Front Panel Features ................................................................................................17
4.2.1 Measurement Inputs .......................................................................................................17
4.2.2 USB Connection .............................................................................................................. 17
4.2.3 Front Panel Keys .............................................................................................................18
4.2.3.1 Front Panel Display .................................................................................................................19
4.3 Rear Panel Features ................................................................................................20
4.3.3.1 External Resistor Inputs ..........................................................................................................20
4.3.1 Scanner Connection ........................................................................................................20
4.3.2 Future Peripheral Connection .........................................................................................21
4.3.3 Remote Operation Connections ...................................................................................... 21
4.3.4 Line Voltage Connection .................................................................................................22