4-IN-1 Handheld Anemometer, Hygrometer, Light Meter, Thermometer

HHF81

^£144.00 HHF81

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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
Lux/Foot-Candle Units Selectable by Front Panel Button
Type K Thermocouple Mini Input Socket Suitable for All Types of K Probes

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Description

Find how an anemometer works on this link.

The HHF81 air velocity meter 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, metres per second, kilometres 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 a mini plug, 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 battery included Dimension: 156 x 60 x 33 mm

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Part Number/ Desc.

Qty

Description

HHF81

£144.00

Availability: 1 week

Air velocity meter

HHF81-CAL-3

£340.00

Availability: 3 weeks

HHF81 with calibration certificate traceable to NIST

Accessories

KHSS-IM30U-RSC-300

£38.00

Availability: In Stock

Type K thermocouple probe 3mm dia, 300mm long with moulded handle, coiled lead and mini plug.

5SRTC-TT-KI-24-1M

£49.00

Availability: In Stock

Pack of 5 type K, PFA insulated beaded-wire thermocouples with mini plugs

SMPW-KI-M

£1.80

Availability: In Stock

Type K thermocouple plug with write-on window

† All amounts shown in EUR, GBP, or USD
Note: Comes with complete operators manual and battery.