What is the ball made of?

It is made of glass. How do I know? I just accidently crushed mine when I put it back together after putting plumbers tape on both connectors and the regulator because it leaked air.

Do i use the middle, bottom, or top of the ball for measuring reference ? also, important: can you answer this with 100% certainty of your claim?

Bottom of the ball. I am willing to stake your life on it (not mine though, the thing costs $17, how certain can you be for $17?).

Can this be used to measure carbon dioxide flow? is there a conversion factor for converting the flow rate to co2?

Yes, of course you can! You'll need to apply a factor to the scale reading or recalibrate it yourself with carbon dioxide. There's a chart of the factors for a large variety of gases relative to air on the Mattheson website - search on-line for "Rotameter Conversion Factors". Because this rotameter is calibrated for oxygen and not air, you'll need to ratio the relative factors for the two gases. Oxygen is 0.951 and carbon dioxide is 0.808. Anyone who says you can't do this doesn't know what they're talking about :)

Hi, We are planning to purchase the product for our lab. Due to it will belong to the, is there an email to get a quote for it?

With Amazon you can always get a printable receipt for your purchases. Undrt Returns and purchases, click View Invoice.

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JIAWANSHUN Oxygen Air Flow Meter 0.1-1.5LPM Gas Flow Regulator Gas Flowmeter with Copper Connector

Product ID: 41403624

📏Compact 5.2x3.15x1.85 inch size

⚙️Precision flow range 0.1-1.5 LPM

🛠️Durable copper connector

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Description

⚡ Master your flow, own the brew!

COMPACT LIGHTWEIGHT - Weighing just 3.52 ounces with a sleek footprint, it fits seamlessly into any setup without bulk.
VERSATILE APPLICATION - Perfect for home brewing, aquaculture, and any oxygen flow monitoring needs—be the expert in your circle.
ACCURATE OXYGEN CONTROL - Precisely regulate oxygen flow from 0.1 to 1.5 LPM for flawless results every time.
ROBUST COPPER CONNECTOR - Engineered with a premium copper connector ensuring long-lasting durability and leak-free performance.
USER FRIENDLY CALIBRATION - Easily adjust gas cylinder pressure to 0.1-0.2 Mpa for optimal flowmeter accuracy—no guesswork required.

The JIAWANSHUN Oxygen Air Flow Meter offers precise measurement and control of oxygen and other gas flows within 0.1-1.5 LPM. Featuring a durable copper connector and compact design, it’s ideal for home brewing, aquaculture, and industrial applications requiring reliable oxygen flow regulation.

Specifications

ASIN	B01N0UWZ2T
Best Sellers Rank	#53,685 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #32 in Flowmeters
Date First Available	December 27, 2016
Is Discontinued By Manufacturer	No
Item Weight	3.52 ounces
Manufacturer	JIAWANSHUN
Package Dimensions	5.2 x 3.15 x 1.85 inches

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30119CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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