1/4" Digital Air Regulator With Lock DAR03B

Function

  1. Three pressure units support.
  2. Auto-off function.
  3. Impact-resistant case.
  4. 1/4" inlet and outlet.
  5. Protect air tools.
  6. With lock.
  7. Solvent resistant based on normal usage.
  8. Provides accurate measurement of air pressure to spray guns or other air tools.

DAR03B Professional Digital Air Regulator

High-Precision Control | 0.5 PSI Increments | Taiwan Made

Strategic High-Accuracy Solution for Professional Spray Coating and Industrial Pneumatic Control

0 - 160 PSIBroad Pressure Range
±0.5 PSIHigh-Resolution Accuracy
0.2 KGUltra-Lightweight Profile
Lockable ValveAnti-Drift Safety Mechanism
Professional Air Control:

The DAR03B is a premium 1/4" digital air regulator engineered for consistent accuracy. Whether used with high-end spray paint guns or professional pneumatic tools, it provides the real-time feedback necessary for a flawless finish.

DAR03B Digital Air Regulator Primary View

💡 Operational Efficiency Tips

To achieve the highest precision from your LEMATEC regulator, please adhere to these technical standards:

  • Dynamic Adjustment: Pressure and flow should only be calibrated while the tool is in active use (air flowing). Static readings do not reflect operational pressure drops.
  • Fixed Pressure Source: This unit is optimized for use with a stable air source. Output values will scale with significant input fluctuations from the compressor.
B2B Core Technical Advantages
Locking Adjustment Valve

Specifically engineered for the rigorous environment of automotive finishing. Once the target pressure is achieved, the mechanical lock prevents accidental drift caused by hose movement or vibration.

Multi-Unit Monitoring

Provides clear, real-time data in 0.5 PSI increments. Technicians can toggle between PSI, BAR, KG/CM², and KPA at the touch of a button to meet global workshop standards.

Ergonomic Lightweight Build

Weighing only 0.2 kg (approx. 7 oz), it preserves the natural balance of high-end spray guns. This minimizes wrist fatigue and enhances stroke control during high-volume production cycles.

Industrial Durability

Constructed from high-impact composite materials and featuring an auto-shutoff timer to maximize the lifespan of the replaceable CR2032 battery during idle periods.

DAR03B attached to Professional Spray Gun
Detailed Digital Pressure Reading
Technical Procurement Summary
Model NumberDAR03B (Pro Series)
Pressure Range0-160 PSI / 0-11.0 Bar
Resolution0.5 PSI / 5 Kpa
Inlet / Outlet1/4" NPT Standard
Display FeatureLCD with Auto Shut-off
Battery PowerReplaceable CR2032 * 1
Net Weight0.2 kgs (Ultra-Light)
ManufacturingMade in Taiwan
Vic Chen - General Manager of LEMATEC

Strategic Wholesale Inquiry

Vic Chen, General Manager at LEMATEC, leads our precision engineering and global supply chain teams. We are dedicated to helping tool distributors and brand owners build reliable air path solutions. Contact us for bulk pricing, customized kits, or technical support.

© 2026 LEMATEC. All rights reserved. Precision Air Tool Innovation from Taiwan to the World.

Inline Air Flow Valve Regulator With Digital Gauge

Packaging List: Sliding Card / White Box

1 Carton:100 sets/ctn 18.0/19.5kgs/2.2'

Digital Air Pressure Gauge:20~60 Days After Order Confirmed

Size:0.178 kgs < 8.3 * 7.5 * 7.6 cm>

Carton Size:38.0 * 35.0 * 40.5 cm