The Model 2001 includes all of the features of the Model 2000 with the addition of Cab Filters. The Model 2001 was designed for passenger railroads using 100Hz and 250Hz coding systems with a bypass for all Cab Filters.
100Hz and 250Hz Cab Filters
All Pass Position - Bypasses Cab Filters
Auto Polarity in DC Functions
Selectable DC Amps Polarity
Direct Measurement of Code Parameters
Relay Contact On Time (Dry Contact) Requires No Adjustment
Ohmmeter Voltage Mode Detects Either Polarity Voltage Including AC