Advanced Conversion Technology, Inc

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July 20, 2005 Techkor Releases Maintenance Watchdog ™ Software Version A.4.0.10 Maintenance Watchdog version A.4.0.10 provides trending and advanced graphical capabilities allowing the user to quickly spot critical vibrations related to machine conditions. Trend plots are available for spectral overall, spectral maximum, and RMS for acceleration, velocity, and displacement data. Additionally, sensor temperature, and sensor wireless link can be trended to quickly access the condition of the sensors deployed. Enhanced graphical capabilities include cursers, harmonic cursers, cut and paste directly into MS Word documents, and printing. Continued optimizations of wireless data rates and power management have improved the battery life for the Maintenance Watchdog system to well over 2 years. May 1, 2005 USB Vibration Sensors Simplify Vibration Data Collection The M9E-USB-1-35G accelerometer simplifies vibration data collection by allowing the use off-the-shelf handheld computers. The USB accelerometer contains a precision piezoelectric sensor, temperature sensor, signal conditioning, enveloping, digital signal processor, data memory, and USB interface. Powered over the USB bus, the accelerometer collects time waveform and spectral vibration data. Software for a WindowsCE handheld or Windows desktop allows operators to collect and display vibration data, be informed of alarm conditions, and review historical trending. December 2, 2003 Techkor Releases Maintenance Watchdog ™ Software Version A.3 Featuring enhanced diagnostics, Maintenance Watchdog version A.3 provides feedback concerning radio link quality, so that installation and set up is much faster and easier. Data transmission speeds have also been significantly improved which will lead to even better battery life for the Maintenance Watchdog system. Another export option has been added which now includes Design Maintenance System's MAINTelligence Monitor. October 6, 2002 Techkor adds a Wireless Laser Tachometer to the Maintenance Watchdog ™ System The ability to coordinate machinery speed with vibration data has been added to the Techkor Maintenance Watchdog ™ System. The laser tachometer projects a visible laser beam which can be directed to gear teeth, timing belts, or rotating shafts to measure running speed. The system requires a white or reflective strip on the component to be measured, which allows the laser tachometer to detect the time between strip passings, converting this into RPM. The laser tachometer is assigned a workgroup of wireless accelerometers. The laser tachometer measures the running frequency whenever a wireless accelerometer within its work group transmits vibration data combining it with the vibration data at the network access point. The TACH-RF-L is an extremely reliable wireless device. Handshaking, packet framing, collision avoidance, packet encoding, and error checking are all performed automatically. For maximum confidence, the TACH-RF-L performs periodic self-test diagnosis of power fluctuations, low battery, or harmful internal temperatures.

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