The HPM4000 Series of handheld, entry-level portable hydraulic data loggers are suited for predispatch inspection, preventive maintenance, and simple diagnostic fault-finding. Two models are available, the SR (sensor recognition) and ID (intelligent digital), both with a complete range of sensors — pressure, pressure-temperature, flow, temperature, and tachometer. The units feature a 3.5-in. LCD, up to 4 G-byte of memory, connectivity via Nano-USB and USB (cable), and HPMComm Version 7 Windows software.

Webster Instruments,(800) 932-8378, www.webster-inst.com