Alertness Testing by BLT

A quick test for alertness? We have that. Let us know what you need for your worksite or group.

Recent News


New Direction: Licensing

Our new alliance with DataConnect Corporation will continue to expand our user base. Within the framework of the PRISM system as developed by DataConnect, the basic BLT test will continue to be used for thousands of workers in dangerous environments. The data generated by this use is providing vital information on how to employ this […]


Heart and Mind

We have been concentrating on human impairment caused by fatigue because it is so common in the workplace particularly in shift work. But changes in general health can also cause impairment. This article summarizes results of a clinical trial involving 18,000 subjects. The ongoing study by Evan L.Thacker at Brigham Young University’s Department of Health […]



The Android version of the Alertometer should be out this year. I have been waiting for a fully refined version of the Mac based system because i don’t like to work on changing software on two platforms at once. But I think we are ready. This will open up a new customer base for us […]


Better Interface

The new Alertometer interface a is a departure for us. Admittedly these things are more exciting to us than they are to users. But we think making things easy for our customers is important. The new site strips away the text and simply offers our customers direct way to sign up for an account. We […]



The National Transportation Safety Board studies implicate driver fatigue in up to 20% of all large truck accident fatalities and 7% of all accidents involving both fatalities and injuries. In fact, one-third of drivers questioned in a survey admitted they had fallen asleep at the wheel in the last 12 months. Research shows driver fatigue […]

Page 1 of 1812345...10...Last »
BLT is a unique company dedicated to providing new solutions for assessing human performance. Our technologies draw on a wide range of management experience and scientific knowledge to provide customers with solutions that are practical, understandable and useful.