For: Hydrocarbon, Toxic series

The USB RS485 Harness Kit with RS485/232 converter, used with Spectrex Host software, enables the user to connect to any available PC or laptop to re-configure settings or perform diagnostics on all 40/40 and 20/20 series flame detectors. 

Refer to manual TM777050 for programming instructions when using the USB RS485 Harness Kit.

P/N 794079 for 200, 300, 700 series
P/N 794079 (none SIL2) P/N 794079 (SIL2) for 700 series