The Extech SDL720 is a mid-range differential pressure datalogger that measures up to ±29 psi (2000 mbar) with 0.01 psi resolution and ±2% full-scale accuracy. It supports 10 selectable pressure units, features SD card datalogging in Excel® format, and includes 99-point manual memory, Min/Max, Data Hold, and Zero offset functions. Ideal for HVAC filter monitoring, industrial hydraulics, and process control.
- ±29 psi range with 0.01 psi resolution
- 10 pressure units: psi, kPa, mbar, inH₂O, mmHg, kg/cm², atm, hPa, ftH₂O, cmH₂O
- SD card datalogger (20 million points) + 99 manual readings
- Sampling interval: 1 sec to 8h 59m 59s
- Backlit LCD, Min/Max, Data Hold, Auto Power Off (disableable)
- Zero function for tare or gauge reference
- Includes 2GB SD card, 6x AA batteries, AC adapter, quick couplers, and hard case