Extech SD500 Multi-Data Logger Temperature Humidity 0 to 50°C 10 to 90% RH

Logs temperature and humidity directly to SD card with 0.1°C/0.1% RH resolution and ±0.6°C/±4% RH accuracy, covering 0–50°C and 10–90% RH.

Overview

The Extech SD500 is a multi-data logger that measures and records temperature and relative humidity. It stores data on a removable SD card (1GB to 16GB supported) in Excel-compatible CSV format, with a real-time clock for date and time stamping. The dual-display LCD shows both parameters simultaneously, and the user can set programmable high/low alarms for temperature and humidity.

What stands out

• Dual measurement: temperature and humidity in one compact unit
• Flexible logging intervals: 5, 10, 30, 60, 120, 300, 600 seconds or Auto
• SD card storage for easy data transfer to PC
• Wall mount or desktop placement options

Technical details

• Temperature range: 0 to 50°C (32 to 122°F)
• Temperature accuracy: ±0.6°C (±1.2°F)
• Temperature resolution: 0.1°C/°F
• Humidity range: 10 to 90% RH
• Humidity accuracy: ±4% RH
• Humidity resolution: 0.1% RH
• Power: 6 x AAA batteries or optional AC adapter
• Data output: Excel-compatible CSV
• Real-time clock with date and time stamp

Our verdict

The Extech SD500 offers reliable temperature and humidity logging with straightforward SD card data transfer, suitable for environmental monitoring applications.