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SP555 Wireless Air Velocity Vane Probe


SP555 Wireless Air Velocity Vane Probe. Use with Your Smart Phone & FREE TPI View App to display air velocity, CFM, and temperature readings.

In stock



  • Measure air velocity and temperature simultaneously
  • Communicate with smartphone using Bluetooth LE and TPI View App
  • Record minimum, maximum & average readings
  • Multiple measuring units: m/s, km/h, ft/min, knots, mile/h
  • Automatically calculates and displays CFM through the View app


  • Air velocity measurements in HVAC systems
  • Air duct analysis to balance commercial and residential HVAC systems
  • Fume hoods
  • Floor registers
  • Exhaust grills


Click to view or download product PDFs

SP555 Product Sheet

SP555 Manual

SP555 CE Certificate


SP555 Wireless Air Velocity Probe Specifications
Range98 fpm ~ 4900 fpm (0.5 m/s ~ 25 m/s)

-4°F ~ 140°F (-20°C ~ 60°C)
Resolution2 fpm (0.1 m/s) 0.1°F / 0.1°C
Air Velocity Accuracy± ( 2% of mv + 59 fpm)

± ( 2% of mv + 0.3 m/s)
Temperature Accuracy±1°F( 32°F ~ 113°F ) / ±2°F ( -4 °F ~ 31.9°F, 113.1°F ~ 140°F )

±0.5°C( 0°C ~ 45°C ) / ±1°C ( -20°C ~ -0.1°C, 45.1°C ~ 60°C )
+/-0.02 inH2O (0 to 1 inH2O) / +/-(1.5% + 20 digits) (> 1 inH2O)
Operation Temperature-4°F ~ 122°F (-20°C ~ 50°C)
Storage Temperature-4°F ~ 140°F (-20 °C ~ 60 °C)
Battery Life TimeAbout 30 hours
Battery TypeAAA x 3 (4.5V)
Weight3.74 oz (106 g)

TPI View App

TPI View App
Smart phone app allows easy documentation that you can share with your customer. Reduce paperwork and save time!

Use your smartphone to interact with TPI’s Smart Devices. Job Management allows you to create multiple JOBS and attach multiple REPORTS to each Job! Give each report a different reference/name; save to an existing JOB or create a NEW one! Learn More

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