--- product_id: 396813787 title: "High Flow Liter Meter Pen: Measure Oxygen Flow Rates 2-15 LPM - Compact Oxygen Flow Meter for Quick, Precise Flow Checks" price: "S$21" currency: SGD in_stock: true reviews_count: 8 url: https://www.desertcart.sg/products/396813787-high-flow-liter-meter-pen-measure-oxygen-flow-rates-2 store_origin: SG region: Singapore --- # 2-15 LPM flow range ±0.4 LPM accuracy 5.3-inch pen-style compactness High Flow Liter Meter Pen: Measure Oxygen Flow Rates 2-15 LPM - Compact Oxygen Flow Meter for Quick, Precise Flow Checks **Price:** S$21 **Availability:** ✅ In Stock ## Summary > 🖊️ Precision flow checks, anytime, anywhere—because your care deserves the best. ## Quick Answers - **What is this?** High Flow Liter Meter Pen: Measure Oxygen Flow Rates 2-15 LPM - Compact Oxygen Flow Meter for Quick, Precise Flow Checks - **How much does it cost?** S$21 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/396813787-high-flow-liter-meter-pen-measure-oxygen-flow-rates-2) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Pocket-Sized Power:** Ultra-compact 5.3-inch pen form factor fits perfectly in your pocket or medical kit. - • **Effortless Monitoring:** Simple vertical hold and read design streamlines your oxygen flow checks in seconds. - • **Precision You Can Trust:** Accurately measures oxygen flow rates from 2 to 15 LPM with ±0.4 LPM reliability. - • **On-the-Go Oxygen Confidence:** Lightweight and portable—never miss a beat in oxygen flow monitoring wherever you are. - • **Consistent Professional Grade:** Engineered for dependable, repeatable readings trusted by healthcare pros worldwide. ## Overview The ResOne High Flow Liter Meter Pen is a compact, pen-style oxygen flow meter designed for precise measurement of oxygen flow rates between 2 and 15 liters per minute. With an accuracy of ±0.4 LPM, it offers reliable, quick readings in a lightweight 5.3-inch form factor, making it an essential tool for medical professionals and caregivers seeking portable and trustworthy oxygen monitoring. ## Description Buy ResOne High Flow Liter Meter Pen: Measure Oxygen Flow Rates 2-15 LPM - Compact Oxygen Flow Meter for Quick, Precise Flow Checks on desertcart.com ✓ FREE SHIPPING on qualified orders Review: Great product - This little pen is easy to use and is accurate Review: Works great - Eased the mind of not knowing what pressure machine was putting out ## Features - Flow Precision: ResOne Standard Flow Meter Pen precisely measures oxygen flow rates from 2 to 15 liters per minute providing accurate monitoring for standard flow rates. - Easy to Use: Simplify your oxygen monitoring routine. Connect the pen-style meter to the oxygen flow source, hold it vertically upright, and read the rate indicated by the center of the ball. - Compact Convenience: Designed for on-the-go professionals, this meter combines a lightweight build and a pen-style design, measuring a mere 5.3 inches, providing portable and convenient oxygen flow measurement wherever it's needed. - Reliable Accuracy: Precision results every time. This meter is designed and tested to perform readings with an accuracy of +/- 0.4 LPM. An essential tool that will deliver consistent and trustworthy results you can trust. - Reliable Brand Assurance: Trust in the quality and precision of ResOne's oxygen flow liter meters. Engineered for accuracy and convenience, these devices guarantee consistent accurate readings, making them essential for medical professionals, caregivers, and individuals alike. ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #108,830 in Health & Household ( See Top 100 in Health & Household ) #3 in Respiration Flow Meters #12,817 in Home Use Medical Supplies & Equipment | | Customer Reviews | 4.6 out of 5 stars 106 Reviews | ## Images ![High Flow Liter Meter Pen: Measure Oxygen Flow Rates 2-15 LPM - Compact Oxygen Flow Meter for Quick, Precise Flow Checks - Image 1](https://m.media-amazon.com/images/I/61uLHr6u67L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great product *by L***A on January 31, 2026* This little pen is easy to use and is accurate ### ⭐⭐⭐⭐⭐ Works great *by J***B on November 26, 2025* Eased the mind of not knowing what pressure machine was putting out ### ⭐⭐⭐⭐⭐ Nice portable tool. *by R***. on November 8, 2025* Flowmeter pen great for checking oxygen flow through tubing. ## Frequently Bought Together - ResOne High Flow Liter Meter Pen: Measure Oxygen Flow Rates 2-15 LPM - Compact Oxygen Flow Meter for Quick, Precise Flow Checks - ResOne Standard Liter Meter Pen: Measure Oxygen Flow Rates Up to 8 LPM - Compact Oxygen Flow Meter for Quick, Precise Flow Checks - Pediatric Oxygen Liter Meter Pen: Measure Oxygen Flow Rates Up to 2.5 LPM - Compact Oxygen Flow Meter for Quick, Precise Flow Checks --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.sg/products/396813787-high-flow-liter-meter-pen-measure-oxygen-flow-rates-2](https://www.desertcart.sg/products/396813787-high-flow-liter-meter-pen-measure-oxygen-flow-rates-2) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-05-12*