Displaying 1 - 14 of 14 articles authored by: Jacob Davis
Author: Jacob Davis | Last Updated: 12/19/2018 | Comments: 0
Have you experienced a scenario similar to this one? You have an automated weather station with a retired Edlog data logger (such as the CR10X), which has been running great for 20 years. Recently, the data logger stopped transmitting data to your server, so you...
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Author: Jacob Davis | Last Updated: 12/05/2018 | Comments: 0
Just like people, data loggers can enter a phase of life called retirement. Our older, Edlog data loggers have been retired for some time now, and we have continued to provide free support for these reliable devices. We include free support when you purchase our...
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Author: Jacob Davis | Last Updated: 02/28/2018 | Comments: 1
Now and then, someone will ask if a Campbell Scientific data logger can be used in place of a PLC (programmable logic controller) or an RTU (remote terminal unit). Admittedly, it is not a simple question to answer. The capabilities of modern PLCs, RTUs, and...
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Author: Jacob Davis | Last Updated: 01/31/2018 | Comments: 4
At some point, you may have watched the real-time wind readings from your data logger and seen the wind speed bouncing back and forth. Then, you probably wondered if it really was that gusty outside. In many cases, what you are seeing is the resolution...
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Author: Jacob Davis | Last Updated: 12/22/2017 | Comments: 0
Just recently, the KRACK (Key Reinstallation AttaCK) Wi-Fi vulnerability was publicized. You might be wondering what it is and how it affects the security of your Campbell Scientific devices and data.
The KRACK vulnerability exists in the WPA2 (Wi-Fi Protected Access II) security standard used on...
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Author: Jacob Davis | Last Updated: 02/22/2017 | Comments: 6
Have you come across situations where you want your data logger to initiate data retrieval, rather than your PC? For example, do you have an environmental condition that you want to transmit alarm data for?
Although IP-based communication is prevalent, sometimes you may need data-logger-initiated communication...
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Author: Jacob Davis | Last Updated: 10/12/2016 | Comments: 6
What do you do if you have two data loggers installed really close to each other and you only want to pay the bill for running one cellular modem? How do you get data from both data loggers using a single modem? How do you...
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Author: Jacob Davis | Last Updated: 05/18/2016 | Comments: 2
When was the last time you checked the air pressure on your automobile’s spare tire? What if you were driving along, got a flat tire, and discovered that your spare tire was flat as well? We don’t often think about our spare tire until we...
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Author: Jacob Davis | Last Updated: 04/21/2016 | Comments: 0
Have you ever had a sensor work on a P (pulse) data logger terminal, but not on a C (control) terminal? Is the list of choices for the PConfig parameter in the PulseCount() instruction daunting? Campbell Scientific data loggers offer several options for measuring pulse...
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Author: Jacob Davis | Last Updated: 01/27/2016 | Comments: 12
Have you had difficulty using a USB to RS-232 adapter to connect your RS-232 device to a computer? If so, you are not alone. Our customers frequently encounter issues with these adapters. In this article, I’ll briefly discuss the origin of these issues and provide...
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Author: Jacob Davis | Last Updated: 01/06/2016 | Comments: 2
Do you feel lost when sifting through wind direction data that is listed in degrees? For example, can you picture in your mind what direction 195 degrees is? Would it be easier if your data logger could put your data in compass directions instead? In...
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Author: Jacob Davis | Last Updated: 07/15/2015 | Comments: 0
Your data is valuable, and sometimes that value is reduced if unauthorized users have access to it. For this reason, Campbell Scientific data loggers have numerous methods of restricting access to your data. This article is an overview of four available methods for securing your...
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Author: Jacob Davis | Last Updated: 06/17/2015 | Comments: 3
Through programming, relatively slow SDI-12 measurements can coexist, without problems, alongside fast measurements. To illustrate the need for accommodations in your data logger program, I will share the story of the worst sunburn I ever got. Southern Peru is near the Pacific Ocean, yet is...
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Author: Jacob Davis | Last Updated: 05/29/2015 | Comments: 9
Your data logger may record great data, but if you can't retrieve it, the data isn’t going to do you much good. To ensure your successful data retrieval, it’s essential that you can troubleshoot possible problems that may arise with PC-to-data-logger communication over a serial...
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