Celerity 8165 AR, 50CC Mass Flow Controller 3030-12071 143995417934 Includes Optical Switch as pictured

Includes Optical Switch as pictured

Item comes as shown

and made a popping sound when switched on

Manufacturer Traco Power Model Number TCL24-105DC SKU 19-41172 Ref 23-55064

Manufacturer Maxon Model Number 144185 SKU 19-50828 Ref 23-71615

Celerity 8165 AR, 50CC Mass Flow Controller 3030-12071 143995417934 Includes Optical Switch as picturedCondition Used Description Unit is in great working condition and was pulled from a working system. Unit has scuffs and scratches from previous use and handling. Photos of actual item for sale. Unit is on hand and ready to ship. Specifics Manufacturer Celerity Part Number 3030 12071 Model Number 8165 SKU 19 27922 Ref 23 35247