Hu-29 To Order (Specify Model Number) Model No. Price Description HHF81 £101 Air flow meter KHSS-IM30E-RSC-300 23 Type K thermocouple—exposed element for air KHSS-IM30G-RSC-300 23 Type K thermocouple—grounded element for air or liquids SMPW-KI-M 1.75 Type K SMP mini plug with write on window CAL-3-FLOW 151 Traceable 4-point calibration certificate (flow only) MS-0918 161 Reference Book: Flow Measurement for Engineers and Scientists Simultaneous Readings of Air Velocity and Temperature or Humidity and Temperature Exclusive Photo Diode and Colour Correction Filter Light Sensor, Spectrum Meets C.I.E. Photopic Standard Type K Thermocouple SMP Input Jack Suitable for All Types of K Probes Lux/Feet-Candle Selectable by Pressing Button on the Front Panel The HHF81 anemometer can measure air flow, humidity, temperature and light. The built-in microprocessor circuit assures excellent performance and accuracy. The HHF81 can track the maximum and minimum values along with current readings. The HHF81 displays the flowrate in your choice of knots, meters per second, kilometers per hour, miles per hour, feet per minute. The HHF81 relies upon a low-friction ball bearing mounted wheel design to provide high accuracy at high and low air velocity. The impeller provides excellent accuracy (±3 to 4%) and the ability to measure the slightest breeze (0.3 M/S). For temperature readings, the HHF81 has an internal thermistor or is compatible with any Type K thermocouple with SMP Male connector, accurate to ±1°C + 1% of reading. The humidity sensor measures to 95% relative using a high precision thin-film capacitance sensor with fast response to humidity changes. The Light measurement uses an exclusive photo diode and colour correction filter light sensor. Specifications Air Velocity Measurement Range: 80 to 5910 ft/min, 0.4 to 30.0 m/s, 0.9 to 67.0 mph, 1.4 to 108.0 km/hr, 0.8 to 58.3 knots, 0.8 to 58.3 knots Resolution: 1 ft/min, 0.1 m/s, 0.1 mph, 0.1 km/hr, 0.1 knots Accuracy: 20 m/s : 3% FS, >20 m/s : 4% FS Temperature (Internal Thermistor) Measurement Range: 0 to 50°C (32 to 122°F) Resolution: 0.1°C/°F Accuracy : ±1.2°C (±2.5°F) Operational Temperature: 0 to 50°C (32 to 122°F) Temperature (External Type K) Measurement Range: -100 to 1300°C (-148 to 2372°F) Resolution: 0.1°F/°C Accuracy: ±(1% + 1°C) of rdg [±(1% + 2°F) of rdg] Humidity Measurement Range: 10 to 95% Resolution: 0.1% Accuracy: < 70% RH : ±4% of rdg, 70% RH ± (4% rdg + 1.2 % RH) Operational Humidity Max.: 80% RH Light Lux Measurement Range: 0 to 2200 Lux, 1800 to 20000 Lux, 0 to 204.0 Fc, 170 to 2000 Fc Resolution: 1 Lux, 10 Lux, 0.1 Ft-cd, 1 Ft-cd Accuracy: ±5% rdg ± 8 dgt Overange Display: “----” Battery: 9V (included) Power Consumption: Approx DC 6.2 mA Weight: 160 g (0.4 lbs) battery included Dimension: 156 x 60 x 33 mm (6.14 x 2.36 x 1.29") Comes with operator’s manual and battery. Ordering Example: HHF81, 5-digit air flow meter, £101. HHF81, £101, shown smaller than actual size. Air Velocity Meter 4-in-1 Anemometer, Hygrometer, Light Meter, Thermometer KTSS-HH temperature probe, £19.50 shown smaller than actual size. (optional) HHF81 £101 MOST POPULAR MODELS HIGHLIGHTED!

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