Patent No. 4,385,525

ACCESSORIES -- See "Ordering" Page
A-298 Flat Aluminum Bracket for flush mounting 603A
A-370 Mounting Bracket, flush mount Series 600 Transmitter in bracket. Bracket is then surface mounted. Steel with gray hammertone epoxy finish.
A-277 Precision Resistor, 250 Ohm.
A-276 Precision Resistor, 500 Ohm.