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Connector Type
RS232 Connectors
SD Card Connectors
Sensor Type
Temperature / Freeze
Tool Type
Temperature Measurement
Wind Measurement
SD Card
Serial - RS-232
Auto-Shut Off
Battery Operated
LCD Display
Ease of Installation
Beginner (Installs < 10 minutes)
Extech Instruments
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Large Display of Airflow or Air Velocity Plus Built-in InfraRed Thermometer
Extech Instruments SDL310 Thermo-Anemometer DataloggerExtech Instruments SDL310 Thermo-Anemometer Datalogger
Extech Instruments SDL310 Thermo-Anemometer Datalogger
Extech Instruments SDL310 Thermo-Anemometer Datalogger
Item# 90222
Price: $399.96
Free shipping on orders over $175 - See Details


  • Displays and stores air velocity and temperature readings
  • Records data on an SD card in Excel format
  • Measures Air Temperature to 122°F and air velocity to 4930ft/min

Essential Info

The Extech SDL310 Thermo-Anemometer Datalogger displays and stores air velocity and temperature readings. Temperature readings from the thermometer built into the vane probe or from an externally connected type K or J thermocouple temperature probe can be displayed and recorded. Data is stored on an SD card for transfer to a PC. In addition, an RS232 port allows data streaming to a PC. This meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.

  • Datalogger date/time stamps and stores readings on an SD card in Excel format for easy transfer to a PC
  • Adjustable data sampling rate: 1 to 3600 seconds
  • Stores 99 readings manually and 20M readings via 2G SD card
  • Type K/J Thermocouple input for high temperature measurements
  • Large (9999 count) LCD displays Air Velocity and Temperature simultaneously
  • 2% velocity accuracy via low friction ball bearing vane wheel on 39" (1m) cable
  • Record/Recall MIN, MAX readings
  • Data Hold plus Auto power off with disable function
  • Built-in PC interface

  • Manuals/Software

    What's Included

    1x - Thermo-Anemometer Datalogger
    6x - AA Batteries
    1x - 2GB SD Card
    1x - Vane Sensor
    1x - 3.9ft (120cm) Cable
    1x - Hard Carrying Case


    ManufacturerExtech Instruments
    Manufacturer Product NoSDL310
    DisplayBacklit LCD
    Display Size2" x 1.5" (52 x 38mm)
    Air Velocity Measurementsm/S (meters per second), Km/h (kilometers per hour),
    Ft/min (FPM; feet per minute), Knots (nautical miles per hour), Mile/h (mph; miles per hour)
    Air Temperature Measurements°C/°F
    Datalogger Sampling RateAUTO: 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800, 3600 Seconds
    Memory Card1G to 16GB size (2GB Included)
    Temperature CompensationAutomatic temperature compensation
    Data HoldFreeze the display reading
    Memory RecallRecord and Recall the Maximum and Minimum readings
    Display update rateApprox. 1 second
    Data OutputRS-232 / USB PC computer interface
    Operating Temperature0 to 50°C (32 to 122°F)
    Operating Humidity85% R.H. max.
    Auto Power OFFAfter 10 minutes of inactivity
    Operating Temperature0 to 50°C (32 to 122°F)
    Power SupplySix 1.5VDC batteries (included)
    Main Instrument Dimension7.1" x 2.9" x 1.9" (182 x 73 x 47.5mm)
    Sensor Head Dimension2.8" Diameter (72mm)
    Weight12oz (347g)
    Important notes:
    Only defective exchanges for identical item within 30 days of purchase. No other returns allowed on this item. For defective returns after 30 days, please contact the manufacturer.
    Manufacturer contact information: Extech Instruments Corp, Tel: (781) 890-7440 Ext 200



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