--- product_id: 184048751 title: "Carbo Liquid Filled Vacuum Pressure Gauge 0 to -30 inHg with NIST Traceable Certificate, Calibrated in USA Lab, 2.5\" Dial, 1/4 NPT Lower Mount, ASME Grade A, 304 SS Case, Brass Wetted Parts, inHg/Bar" brand: "carbo instruments" price: "$108.00" currency: USD in_stock: true category: "Carbo Instruments" url: https://www.desertcart.us/products/184048751-carbo-liquid-filled-vacuum-pressure-gauge-0-to-30-inhg store_origin: US region: United States of America --- # 2.5" high-contrast dial 1/4" NPT universal lower mount 304 stainless steel corrosion-resistant case Carbo Liquid Filled Vacuum Pressure Gauge 0 to -30 inHg with NIST Traceable Certificate, Calibrated in USA Lab, 2.5" Dial, 1/4 NPT Lower Mount, ASME Grade A, 304 SS Case, Brass Wetted Parts, inHg/Bar **Brand:** carbo instruments **Price:** $108.00 **Availability:** βœ… In Stock ## Summary > πŸ› οΈ Precision that powers your professional edge ## Quick Answers - **What is this?** Carbo Liquid Filled Vacuum Pressure Gauge 0 to -30 inHg with NIST Traceable Certificate, Calibrated in USA Lab, 2.5" Dial, 1/4 NPT Lower Mount, ASME Grade A, 304 SS Case, Brass Wetted Parts, inHg/Bar by carbo instruments - **How much does it cost?** $108.00 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/184048751-carbo-liquid-filled-vacuum-pressure-gauge-0-to-30-inhg) ## Best For - carbo instruments enthusiasts ## Why This Product - Trusted carbo instruments brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Built to Endure:** Rust-resistant stainless steel and brass wetted parts guarantee long-lasting durability under industrial stress. - β€’ **Certified Precision:** NIST traceable calibration ensures audit-ready accuracy for professional-grade quality control. - β€’ **Dual-Scale Readability:** Clear inHg and Bar markings on a 2.5" dial for quick, confident pressure monitoring. - β€’ **Versatile Installation:** Universal 1/4" NPT lower mount fits seamlessly into regulators, manifolds, and HVAC systems. - β€’ **Vibration-Proof Stability:** Glycerin-filled case eliminates needle flutter, delivering rock-solid readings in demanding environments. ## Overview The CARBO Liquid Filled Vacuum Pressure Gauge combines ASME Grade A accuracy with a rugged 304 stainless steel case and glycerin-filled vibration damping for stable, reliable readings. Calibrated in a USA lab with a NIST traceable certificate, it features a 2.5" dial and universal 1/4" NPT lower mount, making it the go-to gauge for HVAC, hydraulic, brewing, and industrial applications demanding precision and durability. ## Description Product description CARBO Instruments Pressure Gauge – A Proud American Company Based in Dallas, TX. -30 inHg/0 PSI Glycerin Filled Pressure Gauge For Oil Water Air Compressor Hydraulics HVAC Gaseous plumbing pressure test Gauge, Face 2-1/2" size, 1/4"NPT Lower Connection Brass wetted part shock resistant, widely used in Irrigation Pressure washers boiler filter tank well pump pneumatic regulator Precisely Engineered Manometer: CARBO Instruments - Your Reliable Partner Heavy duty construction: Rust-free stainless steel case, Chrome plated brass connection for extra corrosion resistance, Scratch and shatter-resistant polycarbonate window, No screws case design resulting in less leakage and rust possibility, Superior quality construction for extended gauge life. Versatile Orientation: Designed for use in vertical, horizontal, face-up, or face-down positions. Reliable Mechanical Design: Eliminates the risk of digital failures for fail-proof performance. Dual Scale Display: Provides readings in both PSI and Bar, offering enhanced versatility. 2- 1/2" Accuracy: ASME B40.1 Grade A Accuracy Compliance Β± 2-1-2 % of span Thread Type: 1/4" NPT Liquid: Glycerin, Compressors, Hydraulic systems, Irrigation systems, Pressure washers, sprayer equipment, pressure tester, filter, tank, well pump, HVAC, pneumatic, air compressor, regulator, reducers DO NOT CUT or PINCH THE TIP IF INSTALLED IN ANY NON-VERTICAL POSITION Liquid Filled Pressure Gauge - Air Compressor Hydraulic Oil plumbing irrigation Upgrade your system with the CARBO Instruments Liquid Filled Pressure Gauge , designed for precision and durability across a wide range of applications, including hydraulic pressure systems , air compressors , HVAC systems , reverse osmosis systems , espresso machines , and milking equipment . Built with a robust stainless steel case , corrosion-resistant chrome-plated brass connection , and a clear, easy-to-read 2-1/2 inch dial face , this mechanical pressure gauge provides accurate, stable readings in PSI and Bar . Engineered for demanding environments, our shock-resistant glycerin filled pressure gauge withstands vibration, pulsation, and extreme conditions, making it ideal for brewery operations , including fermentation monitoring , carbonation control , draft beer systems , keg setups , and routine brewery equipment pressure checks . It’s also perfect for plumbing systems , swimming pool pressure monitoring , irrigation setups , paint sprayers , pressure washers , and hydraulic hand tools . The 1/4" NPT lower mount connection ensures secure installation in vertical or horizontal positions. Built to last with a no-screw design that reduces leakage risks, this versatile industrial manometer is suitable for oil , water , and gas-based systems . Whether you're managing pumps , boilers , filters , pneumatic regulators , brewing systems , or milking machines , trust CARBO Instruments Manometer for superior performance and long-lasting reliability. Ideal for professionals seeking a durable, liquid filled pressure gauge for brewing , HVAC , hydraulic , air compressor , and reverse osmosis applications. ## Features - NIST TRACEABLE CERTIFICATE: Each gauge is individually calibrated and includes a serialized NIST Traceable Certificate of Calibration, supporting safety audits, lab requirements, and quality control compliance. - ASME B40.1 GRADE A ACCURACY: Professionally manufactured to meet strict Grade A standards (+/-2-1-2% of span); features high-contrast markings on a 2-1/2" (63mm) dial for repeated high-precision measurement. - STABLE VIBRATION DAMPENING: Glycerin-filled case stabilizes the pointer against vibration and pulsation; prevents needle flutter to maintain the reading accuracy required for certified testing and inspections. - HEAVY-DUTY CERTIFIED BUILD: Rust-resistant 304 stainless steel case with durable brass wetted parts and polycarbonate lens, built to maintain calibration integrity in harsh industrial or commercial environments. - STANDARD 1/4" NPT CONNECTION: Universal lower mount fitment for easy installation into regulators and manifolds. Please verify connection size before ordering. (Note: Not for oxygen service). ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0GQJXY73L | | Brand | CARBO INSTRUMENTS | | Brand Name | CARBO INSTRUMENTS | | Manufacturer | CARBO USA | | Material | Brass, Polycarbonate (PC) , Stainless Steel | | Material Type | Brass, Polycarbonate (PC), Stainless Steel | | Model | L25-SSL-V00NIST | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | L25-SSL-V00NIST | | Thread Style | Npt | | Thread Type | Npt | | UPC | 810017354016 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** CARBO INSTRUMENTS - **Item dimensions L x W x H:** 7 x 3 x 1.5 inches - **Material:** Brass, Copper Alloy, Polycarbonate (PC), Stainless Steel - **Thread Type:** 1/4" Npt - **UPC:** 810017351602 ## Images ![Carbo Liquid Filled Vacuum Pressure Gauge 0 to -30 inHg with NIST Traceable Certificate, Calibrated in USA Lab, 2.5" Dial, 1/4 NPT Lower Mount, ASME Grade A, 304 SS Case, Brass Wetted Parts, inHg/Bar - Image 1](https://m.media-amazon.com/images/I/71LVMj9OxhL.jpg) ![Carbo Liquid Filled Vacuum Pressure Gauge 0 to -30 inHg with NIST Traceable Certificate, Calibrated in USA Lab, 2.5" Dial, 1/4 NPT Lower Mount, ASME Grade A, 304 SS Case, Brass Wetted Parts, inHg/Bar - Image 2](https://m.media-amazon.com/images/I/716NWo+JQtL.jpg) ![Carbo Liquid Filled Vacuum Pressure Gauge 0 to -30 inHg with NIST Traceable Certificate, Calibrated in USA Lab, 2.5" Dial, 1/4 NPT Lower Mount, ASME Grade A, 304 SS Case, Brass Wetted Parts, inHg/Bar - Image 3](https://m.media-amazon.com/images/I/71zzsODz2nL.jpg) ![Carbo Liquid Filled Vacuum Pressure Gauge 0 to -30 inHg with NIST Traceable Certificate, Calibrated in USA Lab, 2.5" Dial, 1/4 NPT Lower Mount, ASME Grade A, 304 SS Case, Brass Wetted Parts, inHg/Bar - Image 4](https://m.media-amazon.com/images/I/71-oZXPMICL.jpg) ![Carbo Liquid Filled Vacuum Pressure Gauge 0 to -30 inHg with NIST Traceable Certificate, Calibrated in USA Lab, 2.5" Dial, 1/4 NPT Lower Mount, ASME Grade A, 304 SS Case, Brass Wetted Parts, inHg/Bar - Image 5](https://m.media-amazon.com/images/I/61xr2+egMCL.jpg) ## Available Options This product comes in different **Size, Style** options. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/184048751-carbo-liquid-filled-vacuum-pressure-gauge-0-to-30-inhg](https://www.desertcart.us/products/184048751-carbo-liquid-filled-vacuum-pressure-gauge-0-to-30-inhg) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-13*