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Vane Anemometer with Real Time Data Logger

LCD Display, Range 70 to 4921 FPM, RS232/USB


Item# HHF-SD2

In stock

Lead Time (If not in stock): 5 weeks
LCD Display, Range 70 to 4921 FPM, RS232/USB HHF-SD2 HHF-SD2
  • Low Friction Ball Bearing Vane
  • Type K or J Thermocouple Input
  • Real Time SD Memory Card Data Logger
  • LCD with Green Backlight

HHF-SD2 Model Options

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Application Type
Velocity Range
Max Process Temperature
Probe Diameter
Supply Power
Output Signal

The OMEGA™ HHF-SD2 combination vane and standard thermistor anemometer with SD card data logger has multiple features that make it suitable to use in such applications as air conditioning and heating systems, measuring air velocities and wind temperature. What sets the HHF-SD2 apart from other vane anemometers is that it incorporates a real-time SD card data logger.

The HHF-SD2 measures velocity, and air temperature, and has an input socket that accepts a Type J or K thermocouple that can be used as a highly accurate thermometer. The vane and standard thermistors provide high accurate readings at high velocities.

The HHF-SD2 is innovative and easy to operate. Download data from the SD card into an Excel spreadsheet without the need for special software.

52 x 38 mm (2.05 x 1.50") LCD with green backlight (on/off)
Measurement Units:
    Velocity: m/s, km/h, ft/min, knots, mile/hr
    Temperature: °C or °F
Sampling Time:
    Auto: 1 to 3600 seconds
    Manual: Push the data logger button once, will save data one time
Memory Card: SD memory card (with optional SD card)
Temperature Compensation: Automatic
Display Update: At 1 second
Data Output:
    RS232: With optional cable/software
    USB: With optional cable/software
Operating Temperature: 0 to 50°C (32 to 122°F)
Operating Humidity: Less than 85% RH
Power: 6 “AAA” alkaline or heavy-duty batteries (included), or 9V power adaptor (optional)
Current Draw: 15 mA DC (without SD card or backlight), 36 mA (all functions)
Weight: 515 g (1.13 lb)
    Instrument: 203 L x 76 W x 38 mm D (8 x 3 x 1.50")
    Probe: 72 mm dia (2.83")
Air Temperature:
    Measuring Range: 0 to 50°C (32 to 122°F)
    Resolution: 0.1°C (0.1°F)
    Accuracy: ±0.8°C (1.5°F)
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per a previous question regarding real-time data readout on a computer, if this is not possible, then what is the purpose of the usb and the rs232 output jack? If the data can not be transferred in real time then why include those features?

Asked by: user 4242
Thank you for your inquiry and the purpose of the RS232 connection is for data transfer purposes, unfortunately, it does not allow for real-time display
Answered by: Application Engineer JC
Date published: 2023-06-29

Can the hot wire probe replacement be attached to this device in place of the vane?

Asked by: sam1
Unfortunately, the probes cannot be interchanged with each other. The probe is specifically calibrated for each individual probe.
Answered by: Application Engineer JC
Date published: 2020-03-06

To be able to record airflow , and determine a minimum flow for application, we want to monitor airflow. I'M looking to transfer date continuously direct into a computer. Can we do this with this anemometer or do you have something else to suggest ?

Asked by: Alain T
Thank you fro your inquiry about the anemometer. This unit uses a “recording session” model for data logging. Meaning that the unit records for X amount of time (session), and after the recording is completed the SD card can be removed from the unit and inserted into a computer to view that recorded data after the session. This unit does not have the ability to display readings to a computer as the readings are being taken, all viewing on the computer would be done after recording. Please email to and can provide a potential substitute.
Answered by: Application Engineer JC
Date published: 2023-06-21

How long is the probe cable?

Asked by: Chris O
Thank you for your inquiry. The cable length is approximately 3 feet and there is no option for longer lengths.
Answered by: Applications Engineer JJC
Date published: 2024-05-29
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