Option EXTVOLT (ehemals Option FLEX1Ch): 400V/1A; 200V/2A; 100V/4A
Option EXTVOLT (ehemals Option FLEX1Ch): 400V/2A; 200V/4A; 100V/8A
Option FC: Front Switch
Option FE: Front cover with graphic display and touch screen
Option FREQ: Programmable Frequency 45-65Hz
Option FUSB: Front USB
Option HIRES1: High Resolution Voltage Measurement 100mV
Option HP: High Precision
Option IFC3-GPIB: Additional 3rd Interface - GPIB
Option IFC3-GPIB: GPIB Interface
Option IMP10/2: 10MOHM Input Impedance 2 Channel
Option KS: Contact Protection
Option LSM: Low Signal Measurement
Option MEAS: RMS output-current measurement
Option MEMSEG: Memory segmenting 1Ch
Option MEMSEG: Memory segmenting 2Ch
