Product Description
Precision Digital Differential Pressure Manometer – HM3531DLL310
The Series HM35 Precision Digital Differential Pressure Manometer is engineered for laboratories, calibration teams, and industrial hygiene professionals who require dependable differential measurements across mid-range pressure systems.
This configuration delivers a 0–145 PSI differential pressure range with 0.20% accuracy, graphical trending, onboard data logging, and a factory calibration certificate — making it ideal for regulator testing, filtration analysis, HVAC verification, and pressure-drop diagnostics.
Designed for air and compatible gases, the HM3531DLL310 combines rugged construction with portable performance for field and lab environments alike.
Differential Range, Accuracy & Environmental Limits
• Pressure Range: 0–145 PSI (Differential)
• Measurement Modes: Differential, Absolute, Gage
• Accuracy Class: ±0.20%
• 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: IP54 / NEMA 3
• Weight: 10.5 oz (270 g)
Data Logging & Power
• Storage Capacity: 10,742 readings
• Recording Interval: 1 second to 24 hours
• Data Download: 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 validation
• Cleanroom testing
• Process verification
• Industrial hygiene programs
Why Professionals Choose the HM3531DLL310
• Mid-range differential capability
• Factory calibration certificate included
• Differential / absolute / gage modes
• Data-logging memory
• Trend graph display
• Portable battery operation
• Rugged IP54 housing
Compliance & Certifications
• CE approved
• IP54 / NEMA 3 enclosure
Shipping Information
Lead time subject to factory availability.
