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Your cart is empty.The single-tube impeller type observer, also known as the impeller sight glass, is a necessary accessory to observe the flow of the medium in the pipeline. The impeller sight glass is widely used in industrial production equipment such as petroleum, chemical industry, chemical fiber, medicine, food, etc. It can observe the flow reaction of liquid, gas, steam and other media at any time, and is an indispensable accessory to ensure normal production
Jon
Reviewed in the United States on February 8, 2025
Added barbed fittings and is easily added into coolant system to check for coolant flow and water pump operation. Many other uses. Good quality for the price.
Clayton Blaney
Reviewed in Canada on February 6, 2025
If you’re using for low flow scenarios this is not your gauge. Will stop turning once flow is decreased.
AlexS
Reviewed in the United States on February 23, 2025
Needs a very high flow in order to turn the paddles
Micah Newman
Reviewed in Canada on September 2, 2024
Prompt delivery. A good quality product. Works great in my application with hot engine cooling to see flow to heater trace system.
max
Reviewed in Canada on July 26, 2024
Do its job
joe sanchez
Reviewed in the United States on June 20, 2024
shipping was in a timely manner and without any damage
Marcos R.
Reviewed in the United States on June 16, 2024
I can see if water is being used in the house, as low as ~ 1 gpm. That's a guess though. There could still be a small leak and the wheel wouldn't turn. The construction is solid; has a hefty weight.
maiU
Reviewed in the United States on March 24, 2024
I installed this product to detect leaks. It works & fits as anticipated.
René
Reviewed in the United States on October 29, 2024
Good quantity
Mike warrem
Reviewed in Canada on October 29, 2024
Worked fine.
Crystal Houselog
Reviewed in the United States on January 30, 2024
As described
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