Extech Instruments SDL350 Hot Wire CFM Thermo-Anemometer/Datalogger Datasheet

Extech Instruments SDL350 Hot Wire CFM Thermo-Anemometer/Datalogger Datasheet

Hot Wire CFM Thermo-Anemometer/Datalogger

Records data on an SD card in Excel



For easy transfer to a PC for analysis


Air Velocity/Air Flow meter with telescoping probe designed to fit into HVAC ducts 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 7.05ft (215cm) maximum length with cable

Adjustable data sampling rate: 1 to 3600 seconds

Stores 99 readings manually and 20M readings via SD card included

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

Complete with 6 x AA batteries, SD card, 3.1ft (95cm) fully extended telescoping probe with 3.9ft (120cm) cable, and hard carrying case


Air Velocity m/s ft/min MPH knots km/h CFM (feet 3 /min) CMM (meter 3 /min) Temperature Type K Temperature Type J Temperature Memory Dimensions Weight

Range Resolution Basic Accuracy

0.2 to 25m/s 40 to 3940ft/min 0.5 to 45MPH 1 to 31knots 0.7 to 72km/h 0 to 1,907,000 CFM 0 to 54,000 CMM 32 to 122°F (0 to 50°C) -148 to 2372°F (-100 to 1300°C) -148 to 2192°F (-100 to 1200°C) 20 Million data records using 2G SD card 7.2 x 2.9 x 1.9" (182 x 73 x 47.5mm) 23.1oz (655g) 0.01m/s 1ft/min 0.01MPH


0.01km/h 0.001 to 100 CFM 0.001 to 1 CMM 0.1° 0.1° 0.1° ±5%rdg ±5%rdg ±5%rdg ±5%rdg ±5%rdg ±1.5ºF (±0.8ºC) ±(0.4% + 1.8°F/1°C) ±(0.4% + 1.8°F/1°C)

Ordering Information:


................Hot Wire CFM Thermo-Anemometer


......SDL350 with Certificate Traceable to NIST

872502 TP870


Type J Bead Wire Probe (-328 to 392°F/-200 to 200°C)


Type K Bead Wire Probe (-40 to 482°F/-40 to 250°C)

TP200 TP400



Type K Clamp Probe (-4 to 200°F/-20 to 93°F) Type K Clamp Probe (-4 to 450°F/-20 to 232°C)



117V AC Adaptor



100-240V AC Adaptor with 4 plugs (US, EU, UK, AU)


Specifications subject to change without notice.

Copyright © 2010-2016 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.

8/22/16 - R1

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