3 for ± 500mv, 1v ranges with internal excitation, 4 for ± 500mv, 1v ranges with external excitation, 5 for ± 5v, 0-10v ranges with internal excitation – Cooper Instruments & Systems DFI INFINITY B Ultra High Performance Digital Force Indicator User Manual
Page 23: 6 for ± 5v, 0-10v ranges with external excitation
