The Amprobe TMA5 Mini Vane Anemometer is a compact, pocket-sized tool for indoor air quality and HVAC/R technicians measuring heating, ventilation, air-conditioning, refrigeration wind flow and temperature in residential, commercial and industrial air conditioning systems.

• Pocket size, compact design
• Measures: air velocity, temperature, humidity, dew point, wet bulb, wind-chill and ambient temperature
• Selectable wind units: KNT (Knot), BF (Beaufort), ft/m (feet per minute), M/h (mile per hour), m/s (meter per second), km/h (kilometer per hour)
• Selectable temperature units °C or °F
• Max wind speed display
• Quick measurement response
• External temperature probe
• Easy, two-button operation
• Data hold
• Auto power off with disable feature
• Low battery indication
• Ergonomic design with a wrist strap

• Wind speed range: 0.5 - 44.7 MPH, 60 - 3937 FT/M, 0.4-38.8KNT, 1.1-20.0 M/S, 0.7-72.0KMH, 1-8 BF
• Wind speed accuracy: +/-5% of reading or last significant digit (whichever is greater)
• Air temperature range: 0°C to 50°C (32°F to 122°F)
• Air temperature resolution: 0.1°C/°F
• Air temperature accuracy: +/-1°C (+/- 30.2°F to 33.8°F)
• External temperature range: -20°C to 70°C (-4°F to 158°F)
• External temperature resolution: 0.1°C/°F
• External temperature accuracy: +/-0.6°C (+/- 31°F to 33.1°F) (-20°C to 50°C / -4°F to 122°F), other ranges +/-1.2°C (29.8°F to 34.2°F)
• Air RH% range: 5%RH to 95% RH
• Air RH% resolution: 0.1% RH
• Air RH% accuracy: +/-3.5% RH (at 25C, 10 – 90% RH, other ranges +/- 5% RH)
• Wind speed response: averaging every 2 seconds
• Temperature response time: 60 seconds (typical)
• Air RH% response time: 60 seconds (typical)
• LCD update: Every second
• Wind-chill display: Yes
• Dew point temperature: Yes
• Wet bulb temperature: Yes
• LCD size: 21(H)x 34(W) mm
• Battery: CR2032