显示 1 - 20 of 125 文章
作者： Nathanael Wright | 最后更新： 01/12/2023 | 评论： 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,... 阅读更多
作者： Nathanael Wright | 最后更新： 09/12/2022 | 评论： 2
As organizations throughout the world continue to strengthen their network and data communications systems to counter increased security threats, we’ve noticed a trend: there’s been an increase in the number of Campbell Scientific customers setting up secure communications between their data loggers and other devices.
作者： Dirk Baker | 最后更新： 07/29/2022 | 评论： 3
About a year ago (May 2021), I installed a weather station next to the National Weather Service’s (NWS) official station at Furnace Creek in Death Valley National Park (California, USA). To familiarize yourself with this project, read my previous article. The purposes of this installation... 阅读更多
作者： Jacob Davis | 最后更新： 06/13/2022 | 评论： 0
As you may know, it can be quite challenging to perfectly align the north mark of a wind direction sensor with true north. For example, when you’re on a ladder handling tools or hanging on a tower, you don’t have a spare hand to hold... 阅读更多
作者： Libbie Anderson | 最后更新： 05/05/2022 | 评论： 0
At Campbell Scientific, we redesigned our back-of-module temperature sensors and launched the CS241 and CS241DM purpose-built sensors to optimize performance on bifacial photovoltaic (PV) modules and help you collect data as precisely as possible. These newer sensors have some similarities to our previous sensor models, but... 阅读更多
作者： Dirk Baker | 最后更新： 06/21/2021 | 评论： 4
In this article, I'll share my experience collaborating on a research project to record some extreme weather conditions that may even set a world record!
On August 16, 2020, the weather station located at Furnace Creek in Death Valley National Park (California, USA) recorded a temperature... 阅读更多
作者： Bruce Smith | 最后更新： 04/15/2021 | 评论： 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... 阅读更多
作者： Dana Worley | 最后更新： 04/09/2021 | 评论： 0
Do you currently use SMSSend() in a CRBasic data logger program to send SMS messages through a Campbell Scientific CELL2XX internal or external cellular module? There are some things you should know about the recent improvements we made that affect how SMSSend() works.
With the release... 阅读更多
作者： Dirk Baker | 最后更新： 03/05/2021 | 评论： 0
In this article, I’ll explain how errors can occur when measuring the precipitation amount, discuss a correction approach, and demonstrate how an algorithm can be used to design high-quality tipping bucket rain gauges.
Liquid precipitation (rain) is at once one of the simplest measurements mechanically and... 阅读更多
作者： Carolyn Ivans | 最后更新： 10/23/2020 | 评论： 0
You may already know that you can add external data storage to your data logger with flash-memory cards. But do you know what kind of card you need—or if you even need one? In this article, I’ll answer these and other memory card questions. In... 阅读更多
作者： Ajay Singh | 最后更新： 10/13/2020 | 评论： 0
When we are faced with challenges, there is often an opportunity for improvement. In this blog article, learn how our engineers redesigned our back-of-module (BOM) temperature sensor to resolve specific challenges that impacted the quality of bifacial solar photovoltaic (PV) panel performance monitoring.
Bifacial PV panels... 阅读更多
作者： Timothy Jeppsen | 最后更新： 10/07/2020 | 评论： 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 hired... 阅读更多
作者： Libbie Anderson | 最后更新： 09/21/2020 | 评论： 2
Solar photovoltaic (PV) monitoring projects often use a variety of sensors to gain information about the site performance and its available resources. To obtain this information, solar-monitoring sensors need to be connected to a database that can collect, evaluate, visualize, and interpret data from all... 阅读更多
作者： Mike Nelson | 最后更新： 09/08/2020 | 评论： 0
There are times during major weather events when we may hear the news reporter indicate the local river is expected to crest in the next 12 hours at an estimated stage level.
What is a crest and a stage level, and how do they affect me?
作者： Libbie Anderson | 最后更新： 06/29/2020 | 评论： 0
You may have heard of the IEC 61724-1 standard to promote international uniformity in PV (photovoltaic) system performance monitoring. But why was it created, and what does it mean for you? In this interview with PES (Power & Energy Solutions), Matt Perry, Technical Product Manager for... 阅读更多
作者： Libbie Anderson | 最后更新： 06/10/2020 | 评论： 0
At Campbell Scientific, we understand the value of your solar energy farms and the necessity to keep these energy-producing facilities in top condition. To help you monitor their efficiency, we’ve designed innovative solar monitoring equipment that has been tested through deployments all over the world.... 阅读更多
作者： Ryan Guerrero | 最后更新： 05/29/2020 | 评论： 0
It’s 2020, and yet those of us who need water level monitoring and flood warning systems continue to face the quandary of choosing between easy-to-use stations OR flexible stations that can handle all our measurement and control needs. In the years of self-driving cars and telecommuting jobs,... 阅读更多
作者： Libbie Anderson | 最后更新： 05/01/2020 | 评论： 0
On every utility-scale solar farm, it’s crucial to answer the fundamental question: how much solar radiation reaches the surface of the photovoltaic (PV) modules? These farms span hundreds of acres and in order to address this question, owners use meteorological monitoring stations and data loggers... 阅读更多
作者： Timothy Jeppsen | 最后更新： 03/19/2020 | 评论： 4
We recently released the CR1000X Measurement and Control Datalogger, and you may be wondering how it compares with our widely used CR1000 datalogger and our innovative CR6 datalogger. If you’re in the market for a new data logger, how do you know which one is... 阅读更多
作者： Dirk Baker | 最后更新： 01/30/2020 | 评论： 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... 阅读更多