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| |  The Welker 6T Electronic Timer is used where low power capability is required. It draws 100mA or less and has a selectable range from 15 seconds to 63 minutes. The timer is battery powered, has a multiple-switch control sequence, can be fitted with weather-proof or explosion-proof enclosure and is U.L. approved. Solar power can be used, but is not required. The Welker 4P Flow Board accepts multiple inputs and has a time-variable output. It can accept practically any type of signal. A scaling switch is provided to adapt the sampling system to the flowing conditions. In addition to standard power supply, the Flow Board can be solar powered (12-volt DC). It has an adjustable time delay, test button, remote-mounted electronics and U.L. component approval. | |
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