Wastewater Influent Sampler for City of Lebanon, OH. Campbell Scientific BVS4300C Refrigerated Outdoor Wastewater Sampler. Utilizing flowpacing control for wastewater sampler control.
Wastewater Treatment Plant Effluent Flow Meter using 1) Nivelco Multicont Process Controller and 1) EasyTREK SPA-38N4 Ultrasonic Flowmeter. Flow from the dual 90 degree v-notch weirs is measured by the Nivelco ultrasonic open channel flowmeter. The flowmeter system then logs and reports reading to SCADA for effluent monitoring and treatment compliance. The Nivelco flowmeter for weirs also provides a 4-20 mA signal that is used to flow pace the wastewater treatment plant effluent sampler.
This client needed a high quality wastewater sampler, but like many of us had to keep the purchase within budget. Aqua Technology Group evaluated their wastewater sampler replacement site and found an existing waste water sampler control cabinet that had been in disuse. We recommended retrofitting the old wastewater sampler cabinet to accept a new Campbell Scientific Wastewater Sampler. Aqua Technology Group customized the wastewater sampler package to fit the exact budget, time constraints and environmental requirements of the small municipal wastewater customer.
“It was so great to work with ATG on this project, we had three quotes, but the other two wouldn’t even consider doing what ATG did”. – Village of Gratis, Ohio
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Municipal Submersible Liftstation Hydrostatic Level Transmitter
Replacement and Custom Backup Level Control
The City of Fairborn Ohio needed to add another way to measure liftstation level. The existing level control used a two part ultrasonic level transmitter to turn pumps off and on along with monitoring through an RTU and SCADA system. Operations needed to add additional screening capabilities to the raw influent and wetwell areas. That sewer lift station screening equipment blocked the existing ultrasonic level transmitter measuring beam. They needed a way to measure the wetwell level when the grates were in place. They wanted to have the flexibility to go back to the ultrasonic level transmitter as a backup or as a primary way of measuring when the wastewater screen below is not in place.
Aqua Technology Group provided a submersible hydrostatic level transmitter for liftstations from Nivelco. This Nivelco hydrostatic level transmitter system for liftstations uses the reliable Nivopress N. Aqua Technology Group also implemented a simple trasmitter switchover / backup circuit so the operator could change from the old lift station ultrasonic level level transmitter to the submersible lift station level transmitter and back whenever they needed. Now they have a reliable liftstation level transmitter when screening and when not.
Nivelco Nivopress N Series: NPK4312M hydrostatic level transmitter, NAW1040M Sewage Adapter, NAA1010M Nivopress Junction Box
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