4-IN-1 Air Velocity/Humidity/Light/Temperature Meter
Type K TC, LCD Display, Range 80 to 5,910 FPM
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- Simultaneous Readings of Air Velocity and Temperature or Humidity and Temperature
- Exclusive Photo Diode and Color 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
HHF81 Model Options
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Category
Application Type
Velocity Range
Accuracy
Max Process Temperature
Probe Diameter
Supply Power
Display
Features
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, or 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, and is 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 utilizes an exclusive photo diode and color 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 Thermocouple)
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 lb) battery included
Dimensions: 156 x 60 x 33 mm (6.14 x 2.36 x 1.29')
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, and is 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 utilizes an exclusive photo diode and color 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 Thermocouple)
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 lb) battery included
Dimensions: 156 x 60 x 33 mm (6.14 x 2.36 x 1.29')
Hi, can i relate it to a DAQ acquisition system using Labview or can i use a USB to get a real time temperature and humidity variation with Excel. thank you
Thank you for your inquiry. Unfortunately, the meter does not have any communication to a PC or Labview.
Date published: 2020-12-15
Can this measure the air velocity of a humidifier?
Thank you for your inquiry. The anemometer can measure air from a humidifier, yet, make sure that no water droplets adheres to the spinning blades which will cause an imbalance and a false reading.
Date published: 2021-01-08
Can I get manufacturing certificate ?
Thank you for your inquiry
These type of products that have multi ranges.
We are unable to give a certificate from the manufacturer.
Omega will send out a C of C on your order
Date published: 2021-06-21
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