Extech Instruments SDL300 Metal Vane Thermo-Anemometer Datalogger
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Extech Instruments SDL300 Metal Vane Thermo-Anemometer Datalogger

Measures Air Velocity and Temperature Simultaneously
  • Records data on an SD card in Excel format
  • Stores 99 readings manually
  • Large LCD displays Air Velocity and Temperature simultaneously


  • Details
  • Specs
  • Reviews
  • Manuals
  • What's Included
  • The Extech SDL300 Thermo-Anemometer Datalogger meter 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 the included 2GB 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, with proper use, will provide years of reliable service.

    • Metal Vane withstands temperatures to 158°F (70°C) and air velocity to 6900ft/min
    • Datalogger date/time stamps and stores readings on an SD card in Excel format for easy transfer to 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

  • Specifications
    Manufacturer Extech Instruments
    Manufacturer Product No SDL300
    UPC 793950433010
    Display Backlit LCD (2 x1.5 Inches)
    Measurement Units Air velocity: m/S, Km/h, Ft/min, Knots, Mile/h (mph)
    Datalogger Sampling Rate AUTO: 1, 2, 5, 10, 30, 60, 120, 300, 600, 1800, 3600
    Memory Card SD memory card;1G to 16GB (2GB Included)
    Data Hold Freeze the display reading
    Memory Recall Record and Recall the Maximum and Minimum readings
    Display update rate Approx. 1 second
    Data Output RS-232 / USB PC computer interface
    Operating Temperature 0 to 50°C (32 to 122°F)
    Operating Humidity 85% R.H. max.
    Auto Power OFF After 10 minutes of inactivity
    Power Supply Six 1.5VDC AA Batteries (included)
    Power Consumption Approx. 15 mA dc
    Weight .76lbs (347g)
    Dimension Main instrument: 7.1" x 2.9" x 1.9" (182 x 73 x 47.5mm)
    Anemometer sensor head: 2.8" (72mm) diameter
    Air Temperature
    Measuring Range 0 to 70°C (32 to 158°F)
    Resolution 0.1°C (0.1 °F)
    Accuracy +/- 0.8°C (1.5°F)

    Air Velocity
    Measurement Range Resolution Accuracy
    m/S 0.4 - 35.0 m/s 0.1 m/S +/- (2% + 0.2 m/S)
    Km/h 1.4 - 126.0 km/h 0.1 Km/h +/- (2% + 0.8 Km/h)
    mph (Mile/h) 0.9 - 78.3 mile/h 0.1 mph +/- (2% + 0.4 mph)
    Knots 0.8 - 68.0 knots 0.1 Knots +/- (2% + 0.4 Knots)
    FPM (Ft/min) 79 - 6890 ft/min 1 FPM +/- (2% + 40 FPM)
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  • 1x - Metal Vane Sensor
    6x - AA Batteries
    1x - 2GB SD Card
    1x - 3.9 Foot Cable
    1x - Hard Carrying Case

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