Tegam 3550 - Page 4

Model 3550 Programmable LCR Meter Instruction Manual d
Table of Contents
IV OPERATING INSTRUCTIONS CONT’D...............................................................
Measurement Tips ..................................................................................
Test Lead Requirements ..................................................................... 4-5
Figure 4.1a – Four-Wire Kelvin Measurement ........................................ 4-5
Figure 4.1b – Proper Application of Four Wire Kelvin Measurement ........... 4-5
Measurement Signal Levels................................................................. 4-6
Series or Parallel Circuit Modes............................................................ 4-6
Auto range Switching Threshold .......................................................... 4-6
Display Resolution ............................................................................. 4-6
AC Resistance of Coils with Cores ........................................................ 4-6
Front Panel Description ........................................................................... 4-7
Figure 4.2 – Front Panel Layout........................................................... 4-7
Power Switch.................................................................................... 4-8
Circuit Mode Panel............................................................................. 4-8
Trigger Panel .................................................................................... 4-8
Zero Panel ....................................................................................... 4-9
Range Selection Panel........................................................................ 4-9
Shift Key.......................................................................................... 4-10
Frequency Set Mode........................................................................ 4-10
Test Voltage Set Mode..................................................................... 4-11
Test Current Set Mode..................................................................... 4-11
Averaging Set Mode ........................................................................ 4-12
Key Lock Mode ............................................................................... 4-12
Comparator buzzer Function............................................................. 4-13
Trigger Delay Time.......................................................................... 4-13
Comparator Functions Mode ............................................................. 4-14
Defining Spot Frequencies for Zero Adjustments ................................. 4-14
RS-232C Settings Mode ................................................................... 4-15
Correction Frequency Limit Setting Mode............................................ 4-16
Spot Correction Mode (Open Correction) ............................................ 4-16
Spot Correction Mode (Short Correction) ............................................ 4-16
Unknown Terminals Panel................................................................... 4-17
Table 4.3 – Unknown Terminals........................................................... 4-17
Comparator Limit Set Panel ................................................................ 4-17
The Guard Terminal ........................................................................... 4-17
Remote Interface Status LEDs............................................................. 4-18
Panel Selector Switch......................................................................... 4-18
Panel Display LED.............................................................................. 4-18
Display A Parameter Selection Key....................................................... 4-18
Display A ......................................................................................... 4-18
Bin Display LED................................................................................. 4-18
Comparator State Annunciators........................................................... 4-19
Sample LED (Trigger Status)............................................................... 4-19
Comparator ON/OFF Switch ................................................................ 4-19
Display B Parameter Selection Key....................................................... 4-19
Display B ......................................................................................... 4-19