Product Description
Precision Digital Differential Pressure Manometer – HM3531DLK300
The Series HM35 Precision Digital Differential Pressure Manometer provides laboratory-grade monitoring for technicians measuring pressure drop, system balance, and filtration performance in critical air and gas systems.
This configuration offers a 0–100 PSI differential range with 0.2% accuracy, paired with graphical trend display, onboard data logging, and a factory calibration certificate — making it ideal for HVAC diagnostics, industrial hygiene programs, and calibration verification.
Designed for portability and rugged field use, the HM3531DLK300 supports air and compatible gases while delivering dependable performance across laboratory and plant environments.
Differential Range, Accuracy & Environmental Limits
• Pressure Range: 0–100 PSI (Differential)
• Measurement Modes: Differential, Absolute, Gage
• Accuracy Class: ±0.2%
• 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
• Filtration pressure-drop testing
• Cleanroom validation
• Industrial hygiene monitoring
Why Professionals Choose the HM3531DLK300
• Mid-range differential coverage
• Factory calibration certificate included
• Differential / absolute / gage modes
• Graphical trend display
• High onboard memory capacity
• Portable battery operation
• Rugged IP-rated enclosure
Compliance & Certifications
• CE approved
• IP54 / NEMA 3 enclosure
Shipping Information
Lead time subject to factory availability.
