--- product_id: 316881928 title: "OTC Tools 4278 100 GPM Hydraulic Flow Meter" brand: "otc" price: "771 zł" currency: PLN in_stock: true url: https://www.desertcart.pl/products/316881928-otc-tools-4278-100-gpm-hydraulic-flow-meter store_origin: PL region: Poland --- # ±1% flow accuracy 6000 PSI pressure rating 100 GPM max flow OTC Tools 4278 100 GPM Hydraulic Flow Meter **Brand:** otc **Price:** 771 zł **Availability:** ✅ In Stock ## Summary > ⚡ Master your hydraulic flow with pinpoint precision and unstoppable reliability! ## Quick Answers - **What is this?** OTC Tools 4278 100 GPM Hydraulic Flow Meter by otc - **How much does it cost?** 771 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/316881928-otc-tools-4278-100-gpm-hydraulic-flow-meter) ## Best For - otc enthusiasts ## Why This Product - Trusted otc brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Yet Mighty:** Weighing just 6.35 kg with a sleek 1-inch thickness, this flow meter fits effortlessly into your toolkit without compromising power. - • **Safety-First Engineering:** Standard burst disc protection prevents costly hydraulic fluid spills, safeguarding your equipment and workspace. - • **Precision that Powers Performance:** Achieve ultra-accurate flow readings with ±1% flow and ±1.6% pressure accuracy—engineered for flawless hydraulic diagnostics. - • **Built to Brave the Toughest Conditions:** Operates reliably up to 6000 PSI and 250°F, ensuring durability in the most demanding industrial environments. - • **Versatile Bi-Directional Flow Measurement:** Seamlessly measures flow in both directions with a robust #16 SAE ORB port, adapting to complex hydraulic systems. ## Overview The OTC Tools 4278 Hydraulic Flow Meter delivers high-precision flow measurement from 2.5 to 100 GPM with ±1% accuracy, supports pressures up to 6000 PSI, and withstands temperatures up to 250°F. Featuring bi-directional flow capability and built-in burst disc protection, it’s engineered for professional-grade hydraulic diagnostics and safety in demanding industrial settings. ## Description OTC Tools 4278 100 GPM Hydraulic Flow Meter : desertcart.ae: Automotive ## Features - Tests hydraulic oil circuits on your machinery with high accuracy and measures flow from 2.5 to 100 gpm - Flow accuracy to +/- 1 percent of indicated value and pressure accuracy of +/- 1.6 percent of full scale - Pressure range up to 6,000 psi and temperatures up to 250 deg F - Standard burst disc protection system prevents spillage of hydraulic fluid in the event of an overpressure condition - Accommodates bi-directional flow, reads flow in both directions, pressure on the high side of valve and Port is 1-5/16" -12UN #16 SAE ORB ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01A8Q3GQ0 | | ASIN | B01A8Q3GQ0 | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #138,858 in Automotive ( See Top 100 in Automotive ) #45 in Automotive Pressure & Vacuum Testers | | Customer Reviews | 5.0 5.0 out of 5 stars (1) | | Customer reviews | 5.0 5.0 out of 5 stars (1) | | Date First Available | 1 January 2024 | | Date First Available | 1 January 2024 | | Included components | Hydraulic Flow Meter - 100 gpm | | Item Package Quantity | 1 | | Item Weight | 6.35 Kilograms | | Item model number | 4278 | | Item model number | 4278 | | Item thickness | 1 Inches | | Manufacturer | OTC Tools | | Manufacturer | OTC Tools | | Number Of Pieces | 1 | | Part number | 4278 | | Product Dimensions | 24 x 19.99 x 19.76 cm; 6.35 kg | | Product Dimensions | 24 x 19.99 x 19.76 cm; 6.35 kg | | Voltage | 9 Volts | ## Images ![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 1](https://m.media-amazon.com/images/I/81RGjT0cEHL.jpg) ![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 2](https://m.media-amazon.com/images/I/81h5tWDGttL.jpg) ![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 3](https://m.media-amazon.com/images/I/914wnYZ6cmL.jpg) ![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 4](https://m.media-amazon.com/images/I/916xPvR6KpL.jpg) ![OTC Tools 4278 100 GPM Hydraulic Flow Meter - Image 5](https://m.media-amazon.com/images/I/917xRem7NLL.jpg) ## Frequently Bought Together - OTC Tools 4278 100 GPM Hydraulic Flow Meter - Lisle 37960 Electrical Disconnect Pliers - Lisle 70500 Tap Socket Set --- ## 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.pl/products/316881928-otc-tools-4278-100-gpm-hydraulic-flow-meter](https://www.desertcart.pl/products/316881928-otc-tools-4278-100-gpm-hydraulic-flow-meter) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-02*