Lead BNC 150 ft (45m) M/F Extension Lead (may be used with Model 6474).
Sensepoint Transmitter, 4-20mA, 3 Relays, Modbus.
Includes accessories needed to perform calibrations on the Searchpoint Optima plus gas detector (does not include calibration gas).
Conduit assembly for Excel UL certified.
Analog digital input converter (4-20mA to Modbus RS-485) for your 301C gas controller.