The Extech SDL900 is an AC/DC Magnetic Meter and Datalogger with automatic temperature compensation. The Extech SDL900 utilizes Hall effect sensor. This meter features an adjustable data sampling rate from 1 to 3600 seconds.
Reference: EX16183019EE
Brand: Extech
Dual Input AC/DC Clamp Meter, 600VAC/DC, 400AAC/DC NCV Detector & IR w/Lim NIST
Reference: HI38743546HP
Brand: Hioki
2-Pen Chart Recording Oscilloscope for DC Voltage Signals
Reference: KE45923405K6
Brand: Keithley
Low Noise Precision AC/DC Current Source with GPIB and RS-232 Interfaces
AC/DC Magnetic Field Meter/Datalogger