Product Description
Precision Digital Differential Pressure Manometer – HM3531DLK100
The Series HM35 Precision Digital Differential Pressure Manometer delivers calibration-grade performance for professionals verifying pressure drop, system balance, and filtration efficiency in demanding laboratory and industrial environments.
This premium configuration provides a 0–108 PSI differential range with 0.05% accuracy, making it ideal for metrology labs, HVAC commissioning teams, and quality-critical industrial hygiene programs.
With onboard data logging, graphical trend display, and a factory calibration certificate, the HM3531DLK100 functions as both a diagnostic tool and a secondary calibration standard for pressure instrumentation.
Differential Range, Accuracy & Environmental Limits
• Pressure Range: 0–108 PSI (Differential)
• Measurement Modes: Differential, Absolute, Gage
• Accuracy Class: ±0.05%
• Service Media: Air & compatible gases
• Operating Temperature: 32–122°F (0–50°C)
• Storage Temperature: −4 to 140°F (−20 to 60°C)
• Humidity: 95% RH max, non-condensing
Construction & Instrument Design
• Wetted Materials: 18/8 Stainless Steel
• Display: Graphical back-lit LCD (128 × 64)
• Enclosure Rating: IP54 / NEMA 3
• Weight: 10.5 oz (270 g)
Data Logging & Power
• Storage Capacity: 10,742 readings
• Logging Interval: 1 second to 24 hours
• Data Transfer: IR serial port
• Power: (3) AA batteries or 6–9 VDC external
• Current Draw: 25 mA (without backlight / IR)
Pressure Connections
• Hose: 4 / 6 mm
• Thread: 1/8″ NPT
Typical Applications
• Calibration laboratories
• HVAC commissioning & balancing
• Cleanroom validation
• Filter differential testing
• Industrial hygiene monitoring
Why Professionals Choose the HM3531DLK100
• Ultra-high 0.05% accuracy class
• Calibration certificate included
• Differential / absolute / gage capability
• Graphical trending display
• Large onboard memory
• Portable battery operation
• IP-rated field enclosure
Compliance & Certifications
• CE approved
• IP54 / NEMA 3 enclosure
Shipping Information
Lead time subject to factory availability.
