Extech Instruments - Measurement Instruments
The instruments include multimeters, clamp meters, electrical testers, and environmental meters for the measurement of light, sound, temperature, humidity, airflow, RPMs, and water quality.

MS6100 - 100MHz 2-Channel Digital Oscilloscope
One-touch automatic setup optimizes the position, range, timebase, and triggering to assure a stable display of virtually any waveform
Waveform Recorder to capture/replay input waveforms from CH1 and CH2 with a maximum record length of 1000 frames.
Built-in 6,000 count True RMS MultiMeter with analog bargraph
Extech Instruments Corporation
9 Townsend West Nashua, NH 03063 U.S.A.