-40%
ELF 500 FIELD MONITOR WALKER SCIENTIFIC INC.
ELF 500 FIELD MONITOR WALKER SCIENTIFIC INC.
ELF 500 FIELD MONITOR WALKER SCIENTIFIC INC.

ELF 500 FIELD MONITOR WALKER SCIENTIFIC INC.

$ 19.78

Availability: 34 in stock
  • Condition: Used

    Description

    This sale is for a ELF 500 Field Monitor by Walker Scientific Inc. The monitor works and reacts to electric fields in both Hi and Low range. See Photos.