Velocity
Range (TA410): 0 to 20 m/s (0 to 4,000 ft/min)
Range (TA430, TA440): 0 to 30 m/s (0 to 6,000 ft/min)
Accuracy (TA410)¹&²: ±5% of reading or ±0.025 m/s (±5 ft/min), whichever is greater
Accuracy (TA430, TA440)¹&²: ±3% of reading or ±0.015 m/s (±3 ft/min), whichever is greater
Resolution: 0.01 m/s (1 ft/min)
Duct Size (TA430, TA440)
Dimensions: 1 to 635 cm in increments of 0.1 cm (1 to 250 inches in increments of 0.1 in.)
Volumetric Flow Rate (TA430, TA440)
Range: Actual range is a function of velocity, and duct size
Temperature
Range (TA410, TA430): -18 to 93°C (0 to 200°F)
Range (TA440): -10 to 60°C (14 to 140°F)
Accuracy³: ±0.3°C (±0.5°F)
Resolution: 0.1°C (0.1°F)
Relative Humidity (TA440 only)
Range: 5 to 95% RH
Accuracy⁴: ±3% RH
Resolution: 0.1% RH
Wet Bulb Temperature (TA440 only)
Range: 5 to 60°C (40 to 140°F)
Resolution: 0.1°C (0.1°F)
Dew Point (TA440 only)
Range: -15 to 49°C (5 to 120°F)
Resolution: 0.1°C (0.1°F)
Instrument Temperature Range
Operating (Electronics): 5 to 45°C (40 to 113°F)
Model TA410, TA430: -18 to 93°C (0 to 200°F)
Operating (Probe)
Model TA440: -10 to 60°C (14 to 140°F)
Operating (Probe)
Storage: -20 to 60°C (-4 to 140°F)
Data Storage Capabilities (TA430, TA440)
Range: 12,700+ samples and 100 test IDs
Logging Interval (TA430, TA440)
1 second to 1 hour
External Meter Dimensions
8.4 cm x 17.8 cm x 4.4 cm (3.3 in. x 7.0 in. x 1.8 in.)
Meter Weight with Batteries
0.27 kg (0.6 lbs.)
Meter Probe Dimensions
Probe Length: 101.6 cm (40 in.)
Probe Diameter: of Tip 7.0 mm (0.28 in.)
Probe Diameter: of Base 13.0 mm (0.51 in.)
Articulating Probe Dimensions
Articulating Section 19.7 cm (7.8 in.)
Length
Diameter of 9.5 mm (0.38 in.)
Articulating Knuckle
Power Requirements
Four AA-size batteries or AC adapter