test switch for sale, brand-new and used.

One-stop shop for your R&D, test and measurement applications in fiber communications, sensor and laser systems Model Number 83487A Manufacture

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Brand New Fieldpiece SDMN6 Dual Port Manometer And Pressure Switch Tester 2 Tools In 1 Fieldpiece SDMN6 Dual Port Manometer And Pressure Switch Tester In 1 Test Gas Pressure Test Static Pressure Test Pressure Differential Adjust Pressure Switches Test Pressure Switches Pressure switches must operate properly for furnaces to run safely. The SDMN6 is a dual-port manometer that also accurately test pressure switches by simulating a draft with its internal pump.

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Item is BRAND NEW IN BOX! Please check out the other items I'm selling as we have a lot of fire alarm items for sale. Accepting offers too - looking to unload!

Skyline lighting LED Exit Sign Long-life LED lamps for maximum energy savings Universal Face (Can have 'EXIT' appear on only one side or both) Direction arrows can pop out of the face cover to show direction of the exit if needed. Battery backup so the sign stays illuminated in an emergency. Test Switch and AC indicator light.