The Fluke 190-202/AM ScopeMeter Series II is a portable oscilloscope made for CAT III & IV environments. It's dust and drip proof with an IP 51 rating. ScopeMeter offers real time sampling rates up to 2.5 GS/s, 400ps resolution to capture noise & other disturbances & has max memory of 10,000 samples per channel. Offering 2-channel modes up to 1000V and 200MHz bandwidth, this oscilloscope also includes a 5,000 count DMM mode & isolated USB port. Color oscilloscope is just under 5 pounds & is easy to use.