Enables the number of channels of dynamic data that the TDI will support.
Accepts a wide range of input voltages and converts them to voltages acceptable for use by other 3500 modules.
Replacement fuse (for both AC power input module and high/low voltage DC power input modules).
4 position or 12 position models available, internal termination.
Enhanced Keyphasor Module.
Spare relay modules for the 3500/33.
Prox/Seis TMR ET Block, Recorder ET Block available.
Proximitor I/O Module with Internal or external terminations.
External Terminal Blocks for the 3500/42.
Shaft I/O Modules.
3500 Transducer XDCR signal to External Termination Block Cable.
Absolute I/O Module 8-pin or 10-pin connector shunt.
