Displaying 1 - 20 of 26 articles
著者： Eric Schmidt | 最終更新日: 03/05/2024 | コメント: 0
Did you read our Southwest: Solving the Mystery of Erroneous Dam Monitoring Data case study? Want to get some more details? In this article, we’re going to take a closer look at that case study. If you haven’t read the case study yet, please do...
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著者： Nathanael Wright | 最終更新日: 01/02/2024 | コメント: 0
Here is our final blog article in our three-part series on troubleshooting your radio frequency (RF) networks. In this article, I’ll share with you four more tips (11 through 14). If you missed parts 1 and 2 or want to review them again, here are...
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著者： Nathanael Wright | 最終更新日: 12/20/2023 | コメント: 1
In this blog article, I’ll share with you the next five tips (6 through 10) that you can use to help troubleshoot your radio frequency (RF) networks. This is the second article in our three-part series. If you missed my first article or want to...
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著者： Nathanael Wright | 最終更新日: 10/31/2023 | コメント: 0
In this blog article, and the next two in the series, I’m going to share with you some tips you can use to help troubleshoot your radio frequency (RF) networks.
In large RF networks, it can be challenging to achieve reliable spread-spectrum radio communications. (For our...
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著者： Nathanael Wright | 最終更新日: 10/17/2023 | コメント: 0
Typically, when you use long cable lengths for your vibrating wire measurements, you experience a weaker signal with a greater chance of interference. So, how do you overcome this challenge and improve your measurement quality? Keep reading to find out.
At Campbell Scientific, our vibrating wire...
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著者： Jacqalyn Maughan | 最終更新日: 04/06/2023 | コメント: 0
Have you ever thought your bad vibrating wire sensor measurements were caused by erratic or erroneous data? You may be surprised to learn that data issues may not be the cause. If you are using a data-acquisition system other than one of the Campbell Scientific...
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著者： Nathanael Wright | 最終更新日: 03/28/2023 | コメント: 0
Campbell Scientific vibrating wire measurement hardware, with our patented VSPECT® technology, offers a distinct advantage over all other vibrating wire measurement systems. Unlike non-Campbell Scientific vibrating wire interfaces that use pulse counting to derive vibrating wire frequency, Campbell Scientific's VSPECT vibrating wire measurement products use spectral...
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著者： Nathanael Wright | 最終更新日: 01/12/2023 | コメント: 2
Campbell Scientific’s CELL2XX cellular modems (CELL205, CELL210, CELL215, CELL220, and CELL225) are commonly used as a low-power alternative to the many industrial cellular solutions available on the market today and are built to easily interface with all Campbell Scientific data loggers and data-acquisition systems. Occasionally,...
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著者： Bruce Smith | 最終更新日: 04/15/2021 | コメント: 2
Has an electrical surge or other event made you concerned that your COM port or short haul modem may not be operating properly? Do you know how to test for this? In this brief article, we’ll look at some simple tests you can perform to...
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著者： Timothy Jeppsen | 最終更新日: 10/07/2020 | コメント: 0
In 1997, I had my first introduction to using vibrating wire piezometers to measure groundwater fluctuations. A large engineering firm was monitoring water level to ensure that construction of a large pipeline through the San Bernardino Mountains was not intruding on the groundwater. I was...
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著者： Dirk Baker | 最終更新日: 01/30/2020 | コメント: 2
Have you ever been told not to average relative humidity (RH)? Have you ever created a data logger program with Short Cut and noticed that it does not allow you to average RH when you generate your data table? Do you know why?
In this blog...
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著者： Jacob Davis | 最終更新日: 12/19/2018 | コメント: 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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著者： Jacob Davis | 最終更新日: 01/31/2018 | コメント: 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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著者： Gary Roberts | 最終更新日: 05/31/2017 | コメント: 2
Maybe you’re like me when it comes to skipped scans. I have always disliked seeing skipped scans in my data loggers. I have been trained to watch out for them and do my best to write my CRBasic programs in a way that makes them...
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著者： Paul Smart | 最終更新日: 03/08/2017 | コメント: 6
Have you ever set up a Campbell Scientific data logger as a Modbus server and discovered that your data was not arriving at your SCADA system as you expected? You may have quickly realized two things: troubleshooting the communication problem is not an easy task,...
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著者： Robert Hyatt | 最終更新日: 11/10/2016 | コメント: 5
Imagine that you have a data logger station three hours away that gathers your measurement data. To physically get to your station, not only do you have to drive for three hours, but then you have to hike for an hour up a snow-covered mountain.
A...
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著者： Robin Deissinger | 最終更新日: 05/25/2016 | コメント: 0
You’ve got your weather station set up and running, your data is coming across just fine, and then a bird decides your station is a wonderful place to make a home. That’s great for the bird, but not so great for the performance of your...
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著者： Jacob Davis | 最終更新日: 01/27/2016 | コメント: 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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著者： Andrew Sandford | 最終更新日: 12/23/2015 | コメント: 0
Do you have a network of devices, connected using MD485 interfaces, so spread out that extremely long cables are required? Are you worried that the distances, and resultant cable lengths, may be causing communication problems? In this brief article, we’ll look at four tips that...
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著者： Jason Ritter | 最終更新日: 11/24/2015 | コメント: 5
Are you having communication problems or seeing readings you don't trust? Is it possible your solar-charged power supply is the cause? How can you find out for sure?
As we mentioned in the “6 Steps to Determine if Your Data Logger Needs Repairing” blog article, many data...
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