Networked data loggers allow operators a fail-safe way to monitor, alarm, and record temperature and humidity

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Clean Room Monitoring (168KB)

 

Clean Room Temperature & Humidity Monitoring with viewLinc

A Success Story


Client:

 

Teledyne Microelectronic Technologies

Category:

 

Monitoring Humidity in Clean Rooms & Electronics Manufacturing

Precision Data Loggers Protect Clean Rooms

Teledyne Microelectronic Technologies (TMT) designs and manufactures complex electronic and communications products for space, defense and industrial applications.

The company’s customers include major communications and commercial companies, government agencies, aerospace prime contractors and general aviation companies. Since 2003, TMT has used Veriteq’s viewLinc system to monitor and alarm humidity and temperature in clean rooms.

The Problem

Like many high-level electronics manufacturing companies, TMT maintain clean rooms – work areas where air quality, temperature and humidity are highly regulated to protect sensitive equipment and products from contamination.

Electrostatic discharge is a key concern in the manufacturing of electronics and microelectronics.  Since TMT products are used in applications where performance, precision and reliability are critical, the company monitors humidity meticulously. TMT also maintains detailed records to show customers that products have been safely manufactured. And if there’s ever a problem with a product, the company must be able to track the complete history of the device, including its manufacturing environment.

In the past, TMT used chart recorders to monitor and record relative humidity in clean room facilities. However, says Mark Kashef, TMT Metrology Lab Manager, chart recorders are highly labor intensive. “Someone has to physically check the recorder and write down the results three times a day, and since chart recorders don’t provide an alarm system, we had to rely on staff members checking the recorders constantly. It is a very inefficient system.” He also says that chart recorders are expensive to purchase and maintain. 

The Veriteq Solution: viewLinc

“When we found Veriteq's system,” says Kashef, “we switched right away and noticed a big difference. Veriteq's data loggers are much easier to use and a lot more efficient than someone checking our chart recorders three times a day.”

Teledyne Microelectronic Technologie Simplifies & Saves

TMT has installed more than 40 Veriteq data loggers throughout four buildings. “We needed to monitor the humidity in our clean rooms at all times,” Kashef says. “I like the fact that the system emails me with an alarm if there’s a problem, and several of our staff members use the system’s pager and cell phone text message alarm functions.”

Kashef has programmed all 40 loggers to download automatic transfer data to a folder in the common drive monthly. “Usually, we just use the data that downloads to our computers – it’s great to have it all in one place.”  He went on to highlight the major advantage of the Veriteq data loggers. “But we also like knowing that if we have a problem with a computer or server, information from the last few months is stored on the loggers themselves.”

Along with increasing efficiency and saving time, Kashef says that Veriteq’s system has relieved the company of a lot of extra cost. Data loggers not only cost less than chart recorders, TMT no longer pays the ongoing costs of chart papers, pens and expensive maintenance. 

viewLinc Provides:

Accuracy
Based on electronic microprocessors and sensors, not moving parts, Veriteq’s data loggers offer greater accuracy and precision than paper chart recorders.

Reliability
If paper charts aren’t replaced regularly, information collected by the chart recorder becomes invalid. On the other hand, if a data logger download is missed, the logger can retain months of data.

Veriteq’s data loggers run on 10-year batteries, so they’re immune to power outages.  While paper charts fade over time and can become lost in filing, data logger files can be backed up electronically. 

Functionality
Chart recorder data can be time-consuming to analyze. Veriteq’s precision data loggers enable users to easily and effortlessly print graphs and reports, calculate minimum, maximum and average values and export to Excel.

Maintenance
Chart recorders require extensive cleaning, calibration, repairs and regular replacement of charts and pens. Data loggers only need to be calibrated once a year and they’re highly accurate, even when moved frequently.

TMT customers appreciate the added reliability and efficiency of Veriteq’s data loggers.  Mark declared, “When we take customers on facility tours, the data logger system is one of our must-show items.”


To learn more about viewLinc and other Veriteq products, call 1(800) 683-8374.

 

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