Profile: Instrument Sales & Service offers contractor equipment and supplies. Our product line includes portable oscilloscopes, pressure meters, process control rods, fishtapes & lubricant, solar panel testing, test leads probes & clips, thermal imaging cameras, and thermometer products. Our 719 electric pressure calibrator features an electric pump for one handed pressure calibration, and the precision pressure which adjusts the vernier for accurate pressure calibration. Our TM-207 solar power meter is lightweight with movable sensor. It measures a measurable light sources, and includes all visible light.