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![GM505 – 1/2″ Oval Gear Mechanical Meter GM505 – 1/2″ Oval Gear Mechanical Meter](https://cdn11.bigcommerce.com/s-co32wzo8ot/images/stencil/300w/products/211/772/Untitled_design_-_2024-06-28T103836.241__21953.1719589162.png?c=1)
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MODEL TR12-2 INDICATOR-TOTALIZER-TRANSMITTERS provide an instantaneous flow rate indication, a totalization of flow volume and a pulse rate output signal of one contact per totalizer hand revolution when mounted on any of our propeller meters. The unit features a durable magnetically actuated reed switch.