Extech SDL350Hot Wire CFM Thermo Anemometer/Datalogger 

Extech SDL350Hot Wire CFM Thermo Anemometer/Datalogger

Extech SDL350 Hot Wire CFM Thermo-Anemometer/Datalogger

Precision Airflow and Temperature Measurement with Advanced Data Logging

The Extech SDL350 is a high-performance Hot Wire Thermo-Anemometer and Datalogger designed for accurate air velocity, airflow volume, and temperature monitoring. Ideal for HVAC professionals and industrial technicians, this device provides real-time data capture with high resolution and wide measuring ranges. It supports multiple velocity units and air volume readings in both CFM and CMM.

The SDL350 also functions as a data logger, capable of storing up to 20 million data records on a standard 2GB SD card in Excel-compatible format. Additionally, it supports thermocouple probes (J, K, N types) for extended temperature measurement, making it a versatile tool for both airflow diagnostics and thermal monitoring.

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Key Features Extech SDL350Hot Wire CFM Thermo Anemometer/Datalogger 

• Measures air velocity in ft/min, m/s, km/h, mph, and knots

• Air velocity range: 0.2 to 25 m/s (or 40 to 3940 ft/min)

• High air volume measurement capability: up to 1,907,000 CFM or 54,000 CMM

• Supports air temperature monitoring from 32 to 122 °F (0 to 50 °C)

• Compatible with J, K, and N type thermocouples for high-temperature measurement up to 2372 °F (1300 °C)

• Air velocity accuracy: ±5% of reading

• Temperature accuracy: ±1.5°F (±0.8°C) for air, ±(0.4% + 1.8°F) for thermocouples

• High resolution of 0.01 for most airspeed units

• Massive data storage capacity with SD card (up to 20 million records using 2GB card)

• Records directly to Excel format for easy data analysis

• CE certified for quality assurance

• Includes backlit display and intuitive interface

• Powered by 6 AA batteries for portable field use

• Durable build and ergonomic design for professional environments

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Additional Information

• Dimensions: 182 × 73 × 47.5 mm (7.2 × 2.9 × 1.9 in)

• Weight: 655 g (23.1 oz)

• Power Supply: 6 × AA (1.5V) batteries

• Warranty: 3 years

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Summary

The Extech SDL350 is an advanced hot wire anemometer and datalogger ideal for detailed airspeed, airflow, and temperature analysis in HVAC, cleanroom, and industrial applications. With multi-unit measurement options, compatibility with thermocouples, and large memory capacity, it provides comprehensive environmental diagnostics in a single, reliable instrument.