4-in-1 Environmental Airflow Meter

Measures air flow, humidity, temperature and light. -Features & Benefits : Displays CFM, FPM, MPH, KPH, MPS,knots + temperature One-handed airflow measurement Single and multi-point averages Low-friction ball vane wheels improve accuracyat high and low velocities Type K thermocouple port for measuringsurface temperatures Min/Max memory + data hold °F/°C switch CE and RoHS approvedSpecifications :Airflow Velocity Measurement Range:80 to 5910 ft./min (0.4 to 30 m/sec)Airflow Measurement Accuracy: ±5% maxAmbient Temperature Measurement Range:32° to 122°F (0° to 50°C)Ambient Temperature Measurement Accuracy:±2.5°F (±1.5°C)Relative Humidity Measurement Range:10 to 90%RH Measurement Accuracy: ±4% of readingSurface Temperature Measurement Range(with Type K thermocouple): -148° to 2372°F(-100° to 1300°C)Surface Temperature Measurement Accuracy:±1%Power Source: 1 9V battery (not included)Includes : Safety strap C4 case, K type thermocouples(see page I-52/3) User s manual