KYORITSU 3131A User Manual
Page 2
Contents
1. Safety Precautions ................................................................................ 1
2. Features ............................................................................................... 3
3. Specifications
...................................................................................... 4
4. Instrument Layout ................................................................................. 6
5. Preparation for Testing ......................................................................... 7
5-1 Removing the Cover
..................................................................... 7
5-2 Mechanical Zero Adjustment
........................................................ 8
5-3 Battery Voltage Check
.................................................................. 8
5-4 Test Probe Connection
................................................................. 8
5-5 Test Probe Check
......................................................................... 8
6. Operation
............................................................................................ 9
6-1 Disconnection and Check of Power Source of Circuit Under Test .......... 9
6-2 Insulation Resistance Measurement
......................................... 10
6-3 Continuity Testing (Resistance Tests)
....................................... 11
6-4 Continuous Measurement
.......................................................... 12
7. Back Light Function
.......................................................................... 13
8. Battery & Fuse Replacement
............................................................ 14
8-1 Battery Replacement .................................................................... 14
8-2 Fuse Replacement ........................................................................ 14
9. Notes on Accessories ......................................................................... 15
9-1 How to Fit Strap Belt & Test Probe Pouch ................................... 15
10. Cleaning of the Instrument ................................................................... 16
11. Service ................................................................................................. 16