
Advanced Air Leak Detection Equipment
About LeakMaster
LeakMaster, Inc. is a leading USA manufacturer of advanced air leak detection equipment with over 20 years of experience providing the industry's fastest and most repeatable pressure decay, mass flow, and vacuum leak testers. Specializing exclusively in leak testing technology, LeakMaster manufactures both manual testing stations and fully automated leak testing machines for production environments. From compact 4.5-inch modules to multi-channel systems, all LeakMaster instruments utilize 64-bit processors and 24-bit sensors for exceptional resolution and stability across diverse applications including automotive, medical, electronics, and aerospace industries.
Core Capabilities
64-bit Processing
Lightning-fast processors with 24-bit sensors for outstanding resolution across wide pressure and leak ranges
Multiple Test Methods
Comprehensive testing: pressure decay, vacuum decay, mass flow, differential pressure, occlusion, and trace gas
Industry 4.0 Ready
Ethernet/IP, Slave Mode, and data collection for seamless factory integration and quality tracking
ISO 17025 Accredited
Calibrated leak standards and instrument calibration services for traceable accuracy and compliance
Featured Products
Defender Pressure & Vacuum Decay Tester
Cost-effective pressure or vacuum decay leak test instrument with 64-bit processor and 24-bit digital pressure transducer. Features built-in Ethernet/IP for seamless Allen Bradley integration and offers excellent return on investment.
Key Specifications:
- Processor: 64-bit with 24-bit transducer
- Touchscreen: 7-inch color display
- Pressure Range: Vacuum to 100 PSIG

UltraFlow V3 Mass Flow Leak Tester
Advanced mass flow and pressure decay leak tester with ultra-speed 64-bit processor monitoring at 1000 reads/second. Features electronic pressure regulation and flow sensors from 0-200 sccm to 0-300 SLPM.
Key Specifications:
- Flow Range: 0-200 sccm to 0-300 SLPM
- Processor: 64-bit ultra-speed
- Touchscreen: 7-inch high resolution
Guardian Multi-Channel Leak Tester
Multi-channel capable leak tester for pressure decay, vacuum decay, mass flow, or differential pressure testing. Features intuitive 10-inch touchscreen with light/dark modes and low per-channel cost.
Key Specifications:
- Processor: 64-bit with 24-bit transducer
- Touchscreen: 10-inch with light/dark modes
- Test Methods: Pressure/vacuum decay, mass flow, differential
700 Series Benchtop Leak Tester
Rugged, highly repeatable benchtop leak tester with 64-bit processor. Available in pressure decay (700PD), differential pressure (700DP), or mass flow (700MF) configurations for lab and manual testing applications.
Key Specifications:
- Models: 700PD, 700DP, 700MF
- Processor: 64-bit with 24-bit sensors
- Display: Large, bilingual multi-channel

Stealth Compact Leak Test Module
Ultra-compact 4.5-inch wide leak test module for pressure decay, vacuum decay, differential pressure, or occlusion testing. Ideal for space-constrained installations from clean rooms to automotive environments.
Key Specifications:
- Width: Only 4.5 inches
- Configuration: Pressure/vacuum decay, differential, occlusion
- Design: Modular, mountable anywhere
Need LeakMaster Testing Solutions?
Contact us for quotes, technical specifications, or custom leak testing system design