Features of TES-1340 Hot-Wire Anemometer Fast response probe.Air flow volume.Instant / Avg / V max flow measurement. Velocity m / s, f t / min, knots, km / hr, mph, Bft.Data hold & Maximum / Minimum / Average function.Manual data memory and read function (5 x 99 sets).Auto data memory and read function (5 x 99 sets).Backlight LCD displayLCD triple display.Auto power off function ON / OFF Time setting.Backlight function ON / OFF Time setting. Snake telescoping probe.Simple and safe to use. Technical Specifications Air Flow Measuring Range 0 to 30.0 m/s (Resolution: 0.01 m/s) | 0.2 to 110 km/hr (Resolution: 0.1 km/hr) | 10 to 6000 ft/min (Resolution: 1 ft/min) | 0.1 to 59 knots (Resolution: 0.01 knots) | 0.12 to 68 mile/hr (Resolution: 0.01 mile/hr) Air Flow Volume Measure Range 0 to 999900 m3/min (Resolution: 0.001 m3/min) | 0 to 999900 ft3/min (Resolution: 0.001 ft3/min) Accuracy ±3% of reading ±1%FS Response time < 2 second Manual Memory Capacity 5 x 99 sets. (Direct reading from LCD display) Auto Memory Capacity 5 x 99 sets. (Direct reading from LCD display) Operating Conditions 0°C ~ 50°C (32°F ~ 122°F), ≤ 80% R.H. Power Source 6 pcs size AAA Battery Battery Life Approx. 10 hours Size 150(L) ×72(W) ×35(H)mm Weight Approx. 235g Accessories Instruction manual, Battery, Carrying case TES-1340 TES-1341N Add to Cart Add to Cart Price $282.99$282.99 $390.00$390.00 Air Velocity 0 to 30.0 m/s (Resolution: 0.01 m/s) | 0.2 to 110 km/hr (Resolution: 0.1 km/hr) | 10 to 6000 ft/min (Resolution: 1 ft/min) | 0.1 to 59 knots (Resolution: 0.01 knots) | 0.12 to 68 mile/hr (Resolution: 0.01 mile/hr) 0 to 30.0 m/s (Resolution: 0.01 m/s) | 0.2 to 110 km/hr (Resolution: 0.1 km/hr) | 10 to 6000 ft/min (Resolution: 1 ft/min) | 0.1 to 59 knots (Resolution: 0.01 knots) | 0.12 to 68 mile/hr (Resolution: 0.01 mile/hr) Air Flow Volume 0 to 999900 m3/min (Resolution: 0.001 m3/min) | 0 to 999900 ft3/min (Resolution: 0.001 ft3/min) 0 to 999900 m3/min (Resolution: 0.001 m3/min) | 0 to 999900 ft3/min (Resolution: 0.001 ft3/min) Temperature ✘ -10 to 60°C (Resolution: 0.1°C) Wet Bulb Temperature ✘ 5 to 60°C (Resolution: 0.1°C) Dew Point Temperature ✘ -15 to 49°C (Resolution: 0.1°C) Accessories Instruction manual, Battery, Carrying case Instruction manual, Battery, USB Cable, CD Software, Carrying case