Wahl ST2200, User Manual

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ST2200 Soldering Iron Tester User Manual
Page 2 of 34
PARAGRAPH TABLE OF CONTENTS PAGE
1.0
INTRODUCTION 3
1.1 MODELS and CONTENTS 3
2.0 SPECIFICATIONS 4
3.0 CONTROLS AND ITEM DESCRIPTIONS 8
4.0 OPERATION 10
4.1 Connecting to AC Power 10
4.2 System Connections 10
4.3 Temperature Measurements 10
4.4 Tip Voltage Potential Measurements 11
5.0 REPLACEMENT SENSORS AND ACCESSORIES 13
5.1 Sensors 13
5.2 Probes 14
5.3 Carrying Case 14
6.0 MAINTENANCE 15
6.1 Display Resolution Setting 15
6.2 Sensor Maintenance 15
6.3 Sensor Repair 17
7.0 CALIBRATION PROCEDURE 19
8.0 APPLICATIONS, TECHNICAL INFORMATION AND
TROUBLESHOOTING 26
8.1 Solder Pot and Wave Solder Machines 26
8.2 Embedded Thermocouple in Soldering Iron Tip 26
8.3 Ground Measurement Technical Info 26
8.4 Circuit Description 28
8.5 Troubleshooting 28
FIGURE
FIGURE DESCRIPTION PAGE
1
Control Identification 7
2 System Connections 10
3 Display Resolution Jumper Locations 16
4 Sensor Repair - Band Replacement 18
5 A/D and Temperature Calibration Setup 20
6 Resistance (Ohms) Calibration Setup 20
7 Millivolt Calibration Setup 24
8 Spike Test Setup 24
9 Simplified System Block Diagram 31
10 Component Layout Diagram 32
11 Schematic - Page 1 33
11 Schematic - Page 2 34