what can be done to get accurate readings? the one i received is 35% low. 4lpm reads 2.5lpm. this is no mistake as i checked it with 4 sources.

Throw it away and buy something more substantial. These are junk.

Are the connectors the correct size to use with medical 02 flared female ends of canula & long line?

it is a 1/4 fitting on the flow meter. O2 hose is about an 1/8 inch so it is a tight squeeze. Best bet is to get a plastic reducer coupling available on Amazon.com. Get a 1/4 by 1/8 barb reducer and go to you local hardware store and get a 1 foot length of some 1/4 ID clear tubing and couple it that way. You can use small zip ties as hose clamps if you need to.

Can this regulate to a 1L/m flow from a gas cannister that has 2000psia?

No would not be safe. you would have to incorporate a pressure regulator between the 2000 PSI and the plastic flow meter. refer the manufacture for the maximum pressure rating.

I am using a 1/4 inch O.D. copper tubing but I am not sure if it could use it to connect with this flow meter

Maybe you could use a short piece of rubber or PVC tubing

Oxygen Flow Meter 0 5 Lpm Acylic Flowmeter Gas Acrylic

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Description

💨 Master your airflow with precision and ease!

COMPACT DURABLE DESIGN - Acrylic body with metal fittings offers lightweight durability and space-saving installation.
RELIABLE USER FRIENDLY - Threaded interface and clear scale make monitoring simple, backed by responsive customer support.
VERSATILE INDUSTRIAL USE - Ideal for oxygen concentrators and various gas flow applications in professional settings.
ACCURATE OXYGEN FLOW CONTROL - Precisely measure and regulate oxygen flow from 0 to 5 LPM for optimal performance.
EFFORTLESS HOSE CONNECTIVITY - 8mm barbed fittings ensure quick, secure attachment to standard hoses without hassle.

The CNBTR Oxygen Flow Meter offers precise measurement and control of oxygen flow from 0 to 5 liters per minute. Featuring a compact 65.5mm center distance and durable acrylic construction with metal fittings, it connects easily via 8mm hose barbs. Perfect for industrial and medical oxygen concentrators, this flowmeter combines reliability with user-friendly design to ensure optimal gas flow management.

Specifications

ASIN	B019YS4PSG
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#86,576 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #54 in Flowmeters
Customer Reviews	4.4 4.4 out of 5 stars (79)
Date First Available	December 30, 2015
Is Discontinued By Manufacturer	No
Item Weight	2.5 ounces
Item model number	B4
Manufacturer	yqltd
Material	plastic
Package Dimensions	4.41 x 3.11 x 1.42 inches
Part Number	B4

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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R591

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TrustScore 4.5 | 7,300+ reviews

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Oxygen Flow Meter 0-5 LPM Acylic Flowmeter Gas Acrylic Metal Fitting for Oxygen Air Gas Conectrator

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