Electronic Systems Design, Inc. introduces its ESDI Model 110400 Four Station Water Vending Controller for multi-station coin operated water vending machines. The controller conforms...
The ESDI Model 910210 UV Fail-Safe Switch monitors a UV lamp and reports if the lamp is good or bad. It is used with water purification systems and water vending machines where...
Electronic Systems Design, Inc. in San Fernando, Calif., announces the development of the ESDI Model 910210 UV Lamp Fail-Safe Switch.The ESDI Model 910210 UV Fail-Safe Switch ...