--- product_id: 527943243 title: "30 inHg Vacuum Liquid Filled Low Pressure Gauge" brand: "senctrl" price: "72.54 DT" currency: TND in_stock: true category: "Senctrl" url: https://www.desertcart.tn/products/527943243-30-inhg-vacuum-liquid-filled-low-pressure-gauge store_origin: TN region: Tunisia --- # IP67 waterproof sealed Freeze resistant -40~140℉ 30 inHg vacuum range 30 inHg Vacuum Liquid Filled Low Pressure Gauge **Brand:** senctrl **Price:** 72.54 DT **Availability:** ✅ In Stock ## Summary > 🔧 Stay ahead with precision — never miss a vacuum beat! ## Quick Answers - **What is this?** 30 inHg Vacuum Liquid Filled Low Pressure Gauge by senctrl - **How much does it cost?** 72.54 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/527943243-30-inhg-vacuum-liquid-filled-low-pressure-gauge) ## Best For - senctrl enthusiasts ## Why This Product - Trusted senctrl brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **All-Weather Durability:** Freeze-resistant and corrosion-proof stainless steel casing built to withstand extreme outdoor conditions. - • **Effortless Integration:** Standard 1/4" NPT lower mount thread guarantees seamless installation across HVAC, automotive, and industrial setups. - • **Crystal Clear Visibility:** 2.5-inch liquid-filled dial delivers fog-free, easy-to-read measurements for quick, confident decision-making. - • **Precision Vacuum Mastery:** Accurately measures low-pressure vacuum up to 30 inHg for flawless system diagnostics. - • **Vibration-Proof Stability:** Silicone oil-filled dial eliminates pointer flutter, ensuring rock-solid readings even in high-vibration environments. ## Overview The SENCTRL 30 inHg Vacuum Liquid Filled Low Pressure Gauge is a rugged, high-accuracy instrument designed for professional HVAC, automotive, and industrial vacuum applications. Featuring a corrosion-resistant stainless steel case, silicone oil-filled mechanism to prevent pointer flutter, and IP67 waterproof rating, it delivers reliable readings in harsh environments. Its 2.5-inch dial and standard 1/4" NPT lower mount ensure easy installation and clear visibility, making it the go-to gauge for precise low-pressure monitoring. ## Description Buy SENCTRL 30 inHg Vacuum Liquid Filled Low Pressure Gauge | 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, HVAC, Air Pump Vacuum Oil Test: Pressure Gauges - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - Brass and Stainless Steel wetted parts for measuring non-corrosive liquid and gas pressure. Such as water, oil, air pressure test. Compatible with air conditioning line repair, tank, hvac tools, air pump, pipe, tube vacuum test and etc.. - Circular dial is enclosed in a 304 stainless steel case for corrosion resistance. Liquid filled inhibits pointer flutter and prevents damage to the internal mechanics from vibration and pulsation. - Freeze Resistant: Silicone oil ensures long-term work in low temperature(-40~140℉/-40~60℃) and suits for most outdoor conditions and seasons. - Measures pressure with dual scale (-30-0 inHg/-100-0 kPa). Display accuracy is + or - 3/2/3% over the entire range of the gauge. - IP67 waterproof prevent condensation inside caused fogging of the window. Offer clear reading. - Lower mount male connection with 1/4" NPT thread. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BCYMT1RT | | Best Sellers Rank | #528 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1 in Industrial Pressure Gauges | | Brand Name | senctrl | | Customer Reviews | 4.4 4.4 out of 5 stars (219) | | Included Components | Vacuum Gauge | | Item Highlight | 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, HVAC, Air Pump Vacuum Oil Test | | Item Weight | 0.17 kg | | Manufacturer | SENCTRL | | Material Type | Stainless Steel | | Number of Items | 1 | | Number of Packs | 1 | | Part Number | Y.6TSL04 | | Thread Style | 1/4" Npt Male | | Unit Count | 1 Count | ## Product Details - **Brand:** senctrl - **Item Weight:** 0.17 kg - **Material:** Stainless Steel - **Number of Items:** 1 ## Images ![30 inHg Vacuum Liquid Filled Low Pressure Gauge - Image 1](https://m.media-amazon.com/images/I/61lKyX56bbL.jpg) ## Available Options This product comes in different **Size, Style** options. ## Questions & Answers **Q: Why Liquid Filled?** A: The liquid filling dampens vibration, mechanical shock, and pressure pulsations for easier readings. It protects against corrosion, moisture, and atmospheric icing while lubricating moving parts to significantly reduce wear. **Q: How to choose the right scale range?** A: The user must ensure that the appropriate pressure gauge has been selected in terms of scale range and design. The scale range is optimally selected when the operating pressure lies in the middle third of the scale range. **Q: Where are liquid filled pressure gauge used?** A: Examples include Pressure washers and sprayers; Paint spray equipment; Compressors; Irrigation equipment; Hydraulic systems; Hydraulic hand tools **Q: Why doesn't the gauge return to zero?** A: Release system pressure first. After shipping or temperature changes, case pressure may not balance, so the pointer may not return to zero. Briefly remove or loosen the top plug to equalize pressure, then reseal it. Never remove under pressure. **Q: Why isn't the gauge fully filled with liquid? Are bubbles normal?** A: Normal. Liquid expands and contracts with temperature. A 100% fill could raise internal pressure when hot, causing lens bulging, leaks, or inaccurate readings. Gauges are usually filled to about 85%, leaving a small buffer. Slight bubbles are normal. ## Frequently Bought Together - SENCTRL 30 inHg Vacuum Silicone Oil Liquid Filled Low Pressure Gauge, 2.5" Dial Size, 1/4" NPT Lower Mount, Stainless Steel Case, for Air Conditioning Manifolds, HVAC, Air Pump Vacuum Test - VOTMELL 4 Rolls 1/2 Inch(W) X 520 Inches(L) Teflon Plumbers Tape,Pipe Sealing & Plumbing Thread Tape,PTFE Water Sealant Seal for Shower Head,White - SENCTRL 30inHg Vacuum Pressure Gauge, 2" Dial, 1/8 NPT Lower Mount, Waterproof, Stainless Steel Case, for Tube Tester, HVAC, Pneumatic Air Compressor, Hand Pump, Valve Test --- ## 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.tn/products/527943243-30-inhg-vacuum-liquid-filled-low-pressure-gauge](https://www.desertcart.tn/products/527943243-30-inhg-vacuum-liquid-filled-low-pressure-gauge) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-11-15*