Certain of the older type of Bently Nevada proximity probes are (or have been) phased out. Metrix Instrument, locally represented by PREI Instrumentation, is now producing direct replacement probes for ...
read more

A new economy version of the well-known Metrix vibration transducer model 5484C is now available from local agents PREI Instrumentation. With fewer options and no hazard rating, the price has been reduced ...
read more

The Hach Dissolved Oxygen (LDO) probe, available from PREI Instrumentation, works quite differently from the galvanic and polarographic methods, which have been used for more than 50 years. There are ...
read more

Manning Environmental water and wastewater samplers offer both vacuum and peristaltic type technologies in both portable and stationary units, for toxic or nontoxic samples, with optional refrigeration. ...
read more

As a low-cost alternative to expensive magnetic flowmeters, the GLI Flow Sensor from PREI Instrumentation provides 1% accuracy for velocities from 9 m/sec down to 0,3 m/s. The forward-swept six bladed ...
read more

AutoPro, a non-contact thermometer, designed specifically for the automotive professional, is available from PREI Instrumentation. It enables technicians to diagnose common mechanical and electrical problems ...
read more

The Bell 500 Series portable Hall-effect gaussmeters, available from PREI Instrumentation are simple and effective magnetic measuring instruments. The inexpensive basic model measures DC fields up to ...
read more

Portable non-contact thermometers from Raytek have been enhanced by the inclusion of IS-certified models in the different series of portable units. Now, infrared non-contact thermometry can be used in ...
read more

There is no glass formulation currently available that has zero sodium ion error (alkaline error). Since there will be some error, it is important that the error be constant and reproducible. With many ...
read more

GLI has produced a series of inexpensive loop-powered indicating transmitters, available from PREI Instrumentation. They have been designed for either pH/ORP, conductivity (contacting ...
read more

The Manning portable peristaltic fluid samplers from PREI Instrumentation use a unique 9,5 mm ID peristaltic pump that significantly increases tubing life without sacrificing pump performance. The body ...
read more

When the mass of a rotor is small (15% or less) compared to the mass of the stator, the sensitivity of vibration monitoring at the bearings is poor. In such cases, and in particular for white metal bearings, ...
read more