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Maximum optic sensors: 4
For multiple sensors wired in parallel to one Opto pak Controller, the sensors will exhibit logical OR operation:
Dry Sink sensors: if any sensor is dry, the Opto Pak Controller relay will be energized, and all sensors would have to be wet to de-energize the relay.
Wet Sink sensors: if any sensor is wet, the Opto Pak Controller relay will be energized, and all sensors would have to be dry to de-energize the relay.
Please see the wiring diagram below:
Mating Plug Brad Harrison 70303 series.
Mating Plug Amp # 206060-1
For large volume OEM applications, a custom time delay is available on the programmable microprocessor version of the ELS-1150, which can be programmed for on, off or both delays from 2 seconds to 255 seconds. All delays have a ±1 second tolerance. Call Gems for more information.
If the viscosity is similar, the time delay should be the same for different media.
Yes, very low currents (< 5ma) can prevent “cleaning” of the contacts or not have enough energy to maintain low contact resistance. 5ma is likely a good minimum for our standard 20 VA switch. But you also want enough voltage. Approximately, 5V, 5ma is a good minimum.
For low current switching we recommend a 10 VA reed switch which can better handle lower loads. (1ma for example).
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