In 1979 he and his wife, Jill, established J. Parham Enterprises, Inc. and JP Cycles has been Keeping the World on 2 Wheels ever since. During the early years, John still worked fulltime and followed his "hobby" in the evening and weekends.
RECALIBRATION ORDER FORM Fillout the online form, then ship your unit(s) to Shortridge Instruments, Inc. for recalibration services. Please follow the directions for packing and shipping. Printable Copy How to Pack and Ship Your Units Shortridge Instruments, Inc. is .
The HydroData Multimeter is accurate across an extremely broad range of fluid gage pressures and differential pressures. The high pressures existing at pumps, chillers, cooling towers, and high rise building conditions can be measured up to 250psi.