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Tech Note 103: Accelerometer Powering with CCD Diode
When connecting a CMCP525/530 Transmitter to a Accelerometer that is already powered by another device the CCD (Constant Current Diode) should be cut to prevent overpowering of the Accelerometer by c
Reciprocating Compressors
Reciprocating Compressors are utilized in all manufacturing industries. Because these machines are capable of providing high pressure along with variable loading, they are fav
Accelerometer Installation Guide
Table of Contents: Section I : Introduction Section II : Mounting Accessories Installation Tools Adhesives and Sealants Section III : Preferred Mounting L
Case History: Marine Gearbox Monitoring
The Problem: After experiencing Gear Box failure STI was asked by the owner of a large yacht to recommend a suitable cost effective monitoring solution to monitor marine gearbox health. The Captain w
What is Vibration Monitoring?
Since the invention of the wheel Vibration has been an issue. Once wheels were mounted to an axle or shaft, out of roundness and unbalance became prime concerns. As the industrial revolution arrived
Field Wiring
There are a number of items to consider when installing a permanently mounted vibration monitoring system. One of the most critical considerations is the selection and installation of the w
Tech Note 110: Troubleshooting CMCP420VT(T)
Bench testing a CMCP420VT(T) is quite easy and can be accomplished using a 24 VDC power supply and a DVM (Digital Volt Meter) in mA (Amp) mode. Be sure that the fuse in the mA input of your
Maintenance Methods
Every facility that produces a consumer product has some requirement for maintenance or upkeep of their machinery. Depending upon the product and, to some extent, the size of the facility,
Shell or Case Expansion
Shell or Case Expansion is a very important measurement as part of a Turbine Supervisory Instrumentation (TSI) System for large steam turbines. This measurement should be included in turbine retr
Turbine Supervisory Instrumentation: Shell or Case Expansion
Shell or Case Expansion is a very important measurement as part of a Turbine Supervisory Instrumentation (TSI) System for large steam turbines. This measurement should be included in
Thrust Position
Thrust Position Monitoring was one of the earliest applications for Eddy Current Transducers. When utilized for this application, it is one of the most important components of a compl
Predictive Maintenance Program (PMP)
A Quality Rotating Machinery Predictive Maintenance (PM) Program for your facility will return your investment many times over. This type of PM Program is based on periodic vibrati
Tech Note 119: CMCP420VT Buffered Output
The CMCP420VT buffered is intended for connection to a portable data collector or analyzer that is isolated (floating) relative to system ground. Connection of this type of instrument will not affect
Case History: Frame 5 Gas Turbine with Compressor/Generator
Problem: In 2005 a Gulf Coast Natural Gas Processing and Transportation Company contacted STI Vibration Monitoring to offer an alternative replacement for an existing obsolete vibration monitoring sy