☛ Bartol Mag-Probe ☑ Non-Contact Method ☑ Testing Solenoid Valves and Relays ☑ 99% Faster Than a Voltmeter ☑ Isolates Mechanical / Electrical Faults ☑ Dramatically Reduces Trouble Shooting Speed ☑ Reduces # Technical Support Resources ☑ Reduces Technical Maintenance Costs ☑ Increases Productivity and Profits ☛ General Applications 1) Detects Magnetic Fields Generated by any A/C or D/C Current Through a Coil 2) Detects Presence of Magnetic Fields Generated by Permanent Magnets or Residual Magnetic Fields ☑ Coils ☑ Solenoids ☑ Solenoid Valves ☑ Relays ☑ Stepper Switches ☑ Transient Current Pulses ☑ Identifying North & South Poles ☛ Industries Companies That Use Solenoid Valves or Relays ☑ Manufacturing ☑ Elevator Service ☑ Food Processing ☑ Oil / Gas ☑ Aircraft ☑ Commercial Shipping ☑ Hospitals