{"product_id":"digital-air-pressure-regulator-with-lcd-display-professional-150-psi-multi-unit-control-dar03b","title":"Digital Air Pressure Regulator with LCD Display - Professional 150 PSI Multi-Unit Control (DAR03B)","description":"\u003cdiv class=\"product-summary-tldr\" style=\"margin-bottom:20px;padding:16px;background:#f0fdf4;border-left:4px solid #16a34a;border-radius:0 8px 8px 0;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;font-weight:600;color:#15803d;\"\u003eProduct Summary\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px 0;\"\u003eThe Le Lematec DAR03B is a premium digital air pressure regulator with LCD display showing PSI, BAR, KPA, and KG\/CM² units. 150 PSI rated with precision diaphragm control. Features include backlit display and 1\/4\" NPT connections. Price: ~$30. Factory direct from Le Lematec.\u003c\/p\u003e\n\u003cp style=\"margin:0;font-style:italic;color:#166534;\"\u003eBest for: Professional spray painters, airbrushing artists, and precision applications where exact digital pressure readout is essential.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 id=\"tinymce_scroll_sign\"\u003eEnhance Your Setup with Our Digital Air Pressure Regulator\u003c\/h2\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003eTake command of your air tools with the DAR03B Digital Air Pressure Regulator. This professional-grade controller features a crystal-clear LCD display, precision locking valve, and multi-unit support (PSI\/Bar\/Kpa). Built with impact-resistant ABS and equipped with auto-shutoff battery preservation, it's the perfect solution for demanding applications requiring exact pressure control.\u003c\/p\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cstrong\u003eKey Features \u0026amp; Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eDigital Precision:\u003c\/strong\u003e Easy-to-read LCD display shows exact pressure in PSI, Bar, or Kpa\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eLocking Control:\u003c\/strong\u003e Secure valve mechanism prevents pressure drift and maintains settings\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eProfessional Range:\u003c\/strong\u003e Precise adjustment from 0-150 PSI (0-11 Bar\/0-1100 Kpa)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eBattery Efficient:\u003c\/strong\u003e Long-lasting CR2032 battery with auto-shutoff feature\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eWorkshop Ready:\u003c\/strong\u003e Chemical-resistant ABS construction with impact protection\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Standard ¼\" NPT connections for broad tool compatibility\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003e\n\u003cstrong\u003eQuality Assured:\u003c\/strong\u003e Not made in China - engineered for professional reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"-mt-1 [li\u0026gt;\u0026amp;]:mt-2 list-disc space-y-2 pl-8\"\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePressure Range: 0-150 PSI \/ 0-11 Bar \/ 0-1100 Kpa\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConnection: ¼\" NPT inlet\/outlet\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eBattery Type: CR2032 (included)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003eConstruction: Impact-resistant ABS\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words\"\u003ePackage Includes: Digital regulator, battery, manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003eIdeal for precision spray painting, automotive work, and professional air tools. Experience digital accuracy and locked-in performance - Add to Cart now to upgrade your air pressure control.\u003c\/p\u003e\n\u003cp class=\"whitespace-pre-wrap break-words\"\u003e\u003cstrong\u003eProfessional Performance Guarantee:\u003c\/strong\u003e Backed by extensive testing and professional user satisfaction.\u003c\/p\u003e\n\u003ch3\u003ePrecision Air Control\u003c\/h3\u003e\n\u003cp\u003eThe Digital Air Pressure Regulator is designed to provide precise control over air pressure, reaching up to a maximum of 150 PSI. This feature is crucial for various applications, from industrial uses to DIY projects. With this regulator, you can easily set the optimal pressure levels for your specific needs. And because it features a clear LCD display, you can monitor the pressure at a glance, ensuring you always have accurate readings.\u003c\/p\u003e\n\u003ch3\u003eMulti-Unit Control\u003c\/h3\u003e\n\u003cp\u003eOne of the standout features of this digital air pressure regulator is its multi-unit control capability. It allows you to manage multiple devices simultaneously, making it perfect for complex setups. For example, if you’re working with several compressors or pneumatic tools, you can set them all to operate at the desired pressure level with ease. This not only saves time but also ensures that each unit works efficiently, enhancing productivity.\u003c\/p\u003e\n\u003ch3\u003eEasy Installation and Use\u003c\/h3\u003e\n\u003cp\u003eThis regulator is engineered for user-friendly installation, allowing you to set it up quickly without the need for specialized tools or technicians. Its intuitive interface makes adjusting the settings simple, even for those who may not be technically savvy. Therefore, whether you're a professional or an enthusiast, you'll find that our digital air pressure regulator is user-friendly, reliable, and efficient in delivering the air pressure you need for your projects.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What makes the DAR03B the premium option in the digital regulator lineup?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The DAR03B features the highest flow rate in the Le Lematec digital regulator family, plus an oversized LCD display with the sharpest pressure resolution. Its advanced diaphragm design provides the smoothest pressure adjustment, making it the top choice for precision spray painting and critical applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I switch between PSI, BAR, and kPa on the display?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the DAR03B LCD shows multiple pressure units simultaneously — PSI, BAR, kPa, and kg\/cm². This eliminates unit conversion when following specifications from different tool manufacturers or working with international equipment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the DAR03B suitable for production spray booths?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the DAR03B is widely used in professional spray booth applications. Its precise digital control ensures repeatable pressure settings between jobs, and the high flow rate handles HVLP guns without starving the air supply. The digital display eliminates the parallax error common with analog gauges.\u003c\/p\u003e\n\u003cdiv class=\"enhanced-features\" style=\"margin-top:20px;\"\u003e\n\u003ch3 style=\"color:#0f172a;font-size:1.1em;\"\u003eWhy Professionals Choose This Tool\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eDigital LCD Precision:\u003c\/strong\u003e Large backlit display shows exact PSI in real-time — no more squinting at tiny analog gauge markings\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eMulti-Unit Display:\u003c\/strong\u003e Switch between PSI, BAR, kPa, and kg\/cm² with one button — essential for working with international tool specifications\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003eFine Adjustment Knob:\u003c\/strong\u003e Precise 0.5 PSI increments for dialing in exact spray gun and airbrush pressures\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\n\u003cstrong\u003e150 PSI Range:\u003c\/strong\u003e Covers everything from delicate airbrush work (10 PSI) to heavy pneumatic tools (90+ PSI)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"whats-in-box\" style=\"margin-top:25px;padding:18px;background:#fefce8;border:1px solid #eab308;border-radius:10px;\"\u003e\n\u003ch3 style=\"margin-top:0;color:#a16207;font-size:1.1em;\"\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul style=\"margin:0;padding-left:20px;\"\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eDAR03B digital air regulator\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eLCD display (backlit)\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eAdjustment knob\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003e1\/4\" NPT fittings (inlet and outlet)\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eBattery (pre-installed)\u003c\/li\u003e\n\u003cli style=\"margin-bottom:4px;color:#78350f;\"\u003eUser manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"compatible-with\" style=\"margin-top:20px;padding:18px;background:#eff6ff;border:1px solid #3b82f6;border-radius:10px;\"\u003e\n\u003ch3 style=\"margin-top:0;color:#1d4ed8;font-size:1.1em;\"\u003eCompatible With\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 12px 6px 0;font-weight:600;color:#1e40af;vertical-align:top;white-space:nowrap;\"\u003eAir Compressors\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;color:#1e3a5f;\"\u003eAny compressor up to 150 PSI with 1\/4\" NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 12px 6px 0;font-weight:600;color:#1e40af;vertical-align:top;white-space:nowrap;\"\u003eAir Tools\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;color:#1e3a5f;\"\u003eAll pneumatic tools, spray guns, airbrushes, inflators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 12px 6px 0;font-weight:600;color:#1e40af;vertical-align:top;white-space:nowrap;\"\u003eDisplay Units\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;color:#1e3a5f;\"\u003ePSI, BAR, kPa, kg\/cm² — user selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"use-cases\" style=\"margin-top:15px;padding:12px;background:#f0fdf4;border-radius:8px;\"\u003e\u003cp style=\"margin:0;font-size:0.95em;\"\u003e\u003cstrong\u003eIdeal Applications:\u003c\/strong\u003e precision pressure control, spray gun setup, airbrush work, tool pressure regulation, multi-unit pressure monitoring\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"extra-faqs\" style=\"margin-top:20px;\"\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:15px;\"\u003e\n\u003ch4 style=\"margin-bottom:5px;color:#1e293b;\"\u003eIs a digital regulator more accurate than analog?\u003c\/h4\u003e\n\u003cp style=\"margin:0;color:#475569;\"\u003eYes. Digital regulators display pressure to ±1 PSI accuracy. Analog gauges are typically ±3-5 PSI and harder to read at angles. For spray painting where 2-3 PSI difference affects finish quality, digital is the professional choice.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:15px;\"\u003e\n\u003ch4 style=\"margin-bottom:5px;color:#1e293b;\"\u003eHow long does the battery last?\u003c\/h4\u003e\n\u003cp style=\"margin:0;color:#475569;\"\u003eThe LCD display uses minimal power. Typical battery life is 12-18 months of daily shop use. The display auto-dims after inactivity to conserve battery. Standard replaceable battery.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What makes the DAR03B the premium option in the digital regulator lineup?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DAR03B features the highest flow rate in the Le Lematec digital regulator family, plus an oversized LCD display with the sharpest pressure resolution. Its advanced diaphragm design provides the smoothest pressure adjustment, making it the top choice for precision spray painting and critical applications.\"}}, {\"@type\": \"Question\", \"name\": \"Can I switch between PSI, BAR, and kPa on the display?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the DAR03B LCD shows multiple pressure units simultaneously \\u2014 PSI, BAR, kPa, and kg\/cm\\u00b2. This eliminates unit conversion when following specifications from different tool manufacturers or working with international equipment.\"}}, {\"@type\": \"Question\", \"name\": \"Is the DAR03B suitable for production spray booths?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the DAR03B is widely used in professional spray booth applications. Its precise digital control ensures repeatable pressure settings between jobs, and the high flow rate handles HVLP guns without starving the air supply. The digital display eliminates the parallax error common with analog gauges.\"}}, {\"@type\": \"Question\", \"name\": \"Is a digital regulator more accurate than analog?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. Digital regulators display pressure to \\u00b11 PSI accuracy. Analog gauges are typically \\u00b13-5 PSI and harder to read at angles. For spray painting where 2-3 PSI difference affects finish quality, digital is the professional choice.\"}}, {\"@type\": \"Question\", \"name\": \"How long does the battery last?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The LCD display uses minimal power. Typical battery life is 12-18 months of daily shop use. The display auto-dims after inactivity to conserve battery. Standard replaceable battery.\"}}]}\n\u003c\/script\u003e\n\u003ch3\u003eRelated Guides \u0026amp; Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/inline-air-regulator-buying-guide\"\u003eInline Air Regulator Buying Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/frl-filter-regulator-lubricator-guide\"\u003eComplete FRL Unit Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/pneumatic-tool-cfm-psi-requirements-chart\"\u003eCFM \u0026amp; PSI Requirements Chart\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"related-products-links\" style=\"margin-top:20px;padding:15px;background:#f8f9fa;border-radius:8px;\"\u003e\n\u003ch3\u003eRelated Categories\u003c\/h3\u003e\n\u003cul style=\"list-style:none;padding:0;\"\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\u003ca href=\"\/collections\/regulators\" style=\"color:#2563eb;text-decoration:none;\"\u003e→ Air Regulators\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\u003ca href=\"\/collections\/filters\" style=\"color:#2563eb;text-decoration:none;\"\u003e→ Air Filters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin-bottom:8px;\"\u003e\u003ca href=\"\/collections\/air-regulators\" style=\"color:#2563eb;text-decoration:none;\"\u003e→ All Regulators\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch3\u003eRelated Resources\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/digital-air-pressure-regulator-buying-guide\"\u003eDigital Air Pressure Regulator Buying Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/best-air-compressor-regulator-for-spray-painting-2026-guide\"\u003eBest Regulator for Spray Painting\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/news\/inline-air-regulator-buying-guide\"\u003eInline Air Regulator Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/regulators\"\u003eShop All Regulators\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/digital-air-regulator-gauge-dar01b\"\u003eDAR01B Digital Regulator (160 PSI)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Pro Air Tools","offers":[{"title":"Default Title","offer_id":48652063375617,"sku":"UZ-ETSG-TEH6","price":29.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0794\/8920\/4481\/files\/le-lematec-dar03b-digital-air-pressure-regulator-locking-valve-hero_webp.jpg?v=1776896917","url":"https:\/\/amindustrialauto.com\/products\/digital-air-pressure-regulator-with-lcd-display-professional-150-psi-multi-unit-control-dar03b","provider":"AM Industrial Auto Parts and Tools LLC","version":"1.0","type":"link"}