• Accurate air velocity measurements
• High Accuracy (±1.0% of Reading)
• Rugged Metal Probe and Vane
• Ultra Low Speed Sensitivity Down to 12.2 m (40')/min
• Measure Airflow in Environments from -20 to 100°C (-4 to 212°F)
• Minimum and Maximum Velocity Capture
• Analog Voltage Output and Communication Options

• Ranges:
• HHF141A: 25 mm (1") probe, 300 to 6800 FPM (1.5 to 35.00 MPS)
• HHF141B: 70 mm (23⁄4") probe, 40 to 7800 FPM (0.2 to 40.00 MPS)
• Accuracy: ±1.0% of reading ±1-digit
• Resolution: 1 FPM or 0.01 MPS
• Display: 12.7 mm (0.5”) LCD, 4-digits, with LED backlight
• Operating Temperature:
• Instrument: 0 to 50°C (32 to 125°F)
• Probe: -20 to 100°C (-4 to 212°F)
• Power Supply: 3 “AA” alkaline batteries (included)
• Battery Life: Approximately 150 hours
• Dimensions:
• Instrument: 165 x 83 x 38 mm (6.5 x 3.25 x 1.5")
• HHF140A: 25 mm (1") diameter head
• HHF140B: 70 mm (2.75") diameter head
• Cable: 1.5 m (5')
• Outputs (Optional): USB or 0 to 5 Vdc

• (1) NIST certificate (No data points)
• (1) Vane sensor [25 or 70 mm (1 or 2¾") depending on model]
• (1) 3 extension rods (flexible, straight and with handle)
• (1) 1.5 m (5') cable
• (1) 3 "AA" alkaline batteries
• (1) Hard carrying case
• (1) Operator's manual

Brochure/Datasheet

Instruction Manual

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Note: Prices are not binding at any time subject to change without prior notice