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LS-52100 Series Single-Point Level Switch solve the problem of point level sensing in tanks with inaccessible tops or bottoms, or at intermediate locations in larger tanks. Installation is through the tank side at the detection point. Rugged, all stainless-steel unit offers broad chemical compatibility at temperatures to 300°F (149°C). Explosion-proof models are available.
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).
What is the life expectancy of a reed switch?
A reed switch is extremely rugged and designed to operate reliably for many years, under ideal conditions, up to about 2 million cycles. To achieve maximum service life, reed switches benefit from protected electrical supply.
LS-2050 Series Single-Point Level Switches solve the problem of point level sensing in tanks with inaccessible tops or bottoms, or at intermediate locations in larger tanks. Installation is through the tank side at the detection point. LS-2050...
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