Extech SDL350 Hot Wire Anemometer



Telescopic Probe and Data Logging

This hot wire unit – displays and stores 20 million air velocity and temperature readings.

Temperature readings from the thermometer built into the 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. The SDL350 anemometer is perfect for recording air velocity and temperature measurements in plant applications, fume hood testing, environmental analysis and HVAC applications.

  • Air Velocity/Air Flow meter with telescopic probe designed to fit into ducts, slots and other small openings
  • Datalogger date/time stamps and stores readings on an SD card in Excel® format for easy transfer to a PC
  • Probe extends up to 215cm maximum length with cable
  • 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 or Air Flow and Temperature simultaneously
  • Record/Recall MIN, MAX readings
  • Data Hold plus Auto power off with disable function
  • Built-in PC interface
  • Complete with 6 x AA batteries, SD card, 3.1ft (95cm) fully extended telescoping probe with 3.9ft (120cm) cable, and hard carrying case


If you require a calibration certificate (see option on drop-down menu) – it will take between 5-10 working days to prepare.


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