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All FAQs (1838 total: showing 1761-1780)

How high above the ground should a net radiometer be placed?
What kind of a regulator would you recommend if I want to set up a manually-powered generator to charge a 12-V gel battery? I have access to a 24 volt generator, but would that be too much do you think?
I have the CH12R (12V charger/regulator). I am trying to connect it to a 17.5-V, 290-mA, 5.1-W solar panel, to keep a 12-V battery charged. I just wanted to know how to go about doing this.
How many solar panels can be connected to a CH100 regulator? Can one 60 W solar panel and two 20 W solar panels be connected to the same regulator?
What is the pin connection between USB and DB9 (RS-232) connectors?
I recently bought a laptop to replace an older laptop we used to communicate with four 21X Microloggers®. I discovered the new laptop did not have an RS-232 DB-9 port, but it does have two USB ports. I understand that the CS I/O port on the 21X is not standard RS-232 protocol. Will the 17394 cable work with the 21X or do you have another cable that will? Or do I need to do something else?
I'm looking for a wind monitor (speed and direction) that could be used with a tethered balloon system. The main feature I'm concerned with (aside from weight) is a built-in datalogger. Would you have anything that would meet this requirement or do all your systems require direct wiring to a separate datalogger.
Can the wind monitor be used without your datalogger?
If an existing wind set is replaced with a wind monitor (05103, 05103-45, 05106, 05305), will more than the multiplier and offset have to be changed in the data logger program?
We have an R.M. Young marine anemometer with a cable that is about 13 ft long. We would like to extend the cable another 20 ft or so. Do you sell a separate extension cable for the anemometer?
What is the power consumption (mA) of the 05103, 05305, and 05106 anemometers?
What is the procedure for orienting my wind sensor to the cardinal directions so that the wind direction readings are correct?
How can the 229 be calibrated?
How are readings obtained from the 229?
Is calibration of the 229 available?
If several 229 probes begin returning very low positive and negative values for dT, what might be the cause?
How should the AM25T be used?
Can the AM25T be connected to an analog input channel on a device other than a data logger, such as a programmable logic controller (PLC)?
How can the data logger build a text string and send it out the RS-232 port?
I plan to set up an eddy covariance system in a remote wetland located in Michigan's upper peninsula. This site does not have power and is difficult to get to. I would like to set up a communication system that allows me to monitor the data from my office (Michigan Tech). There is a research station near the site (less than 5 km away--Seney National Wildlife Refuge) that could be used to collect the data before bouncing it to me.

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