The extension is .TXT or .XLS. Using the software interface you can select to save this as a text -or Excel file.
The format uses columns, for example:
The picture shows how a PT100 is connected. PT100 uses four input channels nr 1,2 ,3 and 4. Leaving 4 channels left, nr 5,6,7, and 8, to connect other sensors.
Please note that the picture uses 2 analogue inputs for the instrument (differential). Of course you can decide to use it single ended, by connecting the – from the instrument to the GND.
The LOGBOX SD has one input for power. You either connect the internal battery or an external power source. So external power will not switch of the battery.
PWR OUT will provide whatever power is connected as power source for the LOGBOX SD.
Every logger has an A/D converter with a certain resolution (number of bits) - often 10, 12, 16 or 24 bits resolution. A logger also has a fixed number of analog input ranges - often 20 mV, 100 mV, 1 V, 5 V and 10 Volt ranges.
For example we use a logger with 12 bits resolution and 5 Volt input range. This means that the 5 Volt is divided in 2¹² steps. This is 5/4096 = 0.00122 Volt per step. So the smallest detectable change on the input is 1.22 mV.
If we connect an SP Lite(2) with a sensitivity of 75 microVolt/W/m^2, one Watt (change) will give 0.075 mV (change) on the output. So we need a change of 1.22 / 0.075 = 16.2 Watt/m² before we see a change in the Logger output.
As you can understand this is not acceptable. A minimum of 1 W/m² should be detected (preferably a factor 10 times better). This can be achieved by lowering the input range to 100 mV (50 times better). Or by selecting a higher resolution e.g. 16 bits (in stead of 12 bits) this is 16 times better ( 2¹⁶- 2¹² = 2⁴ = 16 ).
No, the METEON will not work together with the AMPBOX. With a 10 Ohm resistor the 20 mA output from the AMPBOX can be converted to 0.2 V max signal (max for the METEON). But the METEON cannot deal with the zero offset of the AMPBOX (4 mA).
Yes, inside the software, at the graphical chart, there is an export button. You can select the default .txt option or customize the extension into .xls.
No, the output of the UVS is 0-3V and this is too high for the METEON.
The logging interval can be selected from 2 to 65.535 seconds.
Two AA size internal Alkaline batteries will operate for approximately 1200 hours / 50 days.
With two AA size internal Alkaline batteries.
The METEON is not suitable for unprotected outdoor use. However, the operating temperature range is – 10 ºC to + 40 ºC. When it is placed in an enclosure protected from dust and rain, it would be possible in practice.
The SOLRAD can be used as a very cost-effective and well performing real-time interface to a PC serial port, logging the data on the PC with the supplied software.
The METEON however, cannot do this. You need to download the data periodically using the supplied software. The METEON interface is USB.
Please check the calibration factor of the pyranometer which is set in the METEON. A wrong calibration factor of the instrument will result in wrong measurements. Also check if the correct instrument is selected.
Adding the intervals without dividing this by the (interval) time.
For example: Radiation in the morning 4 hours 400 W/m². Radiation in the afternoon 4 hours 600 W/m². If you would take a 60 minute interval on the same day: Morning = 4 intervals of 400 W/m2 Afternoon = 4 intervals of 600 W/m2 Total over the day 4 x 400 + 4 x 600 = 1600 + 2400 = 4000 W/m2 (over hourly interval) This is 4000 W/m2 per hour or 4000 Wh
The stored interval in METEON is 30 minutes. During the morning you will get 8 intervals of 400 W/m2 During the afternoon you will get 8 intervals of 600 W/m2 16 intervals (of 30 minutes) with a total of 8 x 400 + 8 x 600 = 8000 W/m2 (over 30 min interval) This is 8000/2 = 4000 W/m2 per hour or 4000 Wh
Yes, the SOLRAD is perfect because it has a 0-10V input range available (the output of the UVS meter is 0-3V ).
Please consider that the SOLRAD is intended to display real-time values and/or to store the integrated values for a day. If you fully want to use data logger options it is better to use a LOGBOX SD.
The UVS has a ‘Mean Adjustment Factor’ on the calibration certificate. This is equivalent to the sensitivity of a Pyranometer. This can be entered into the SOLRAD and the readings will be in W/m2.
The SOLRAD is not a data logger. It is intended to display real-time values and/or to store the integrated values for a day. 31 records allows a month of daily integrated values to be stored.
The internal battery will only run it for a little more than one day. For longer periods it requires an external DC supply.
It is not suitable for unprotected outdoor use. However, if it is in an enclosure protected from dust and rain it would be OK in practice.
This depends on the number of recorded channels and storage interval. A detailed description of the storage capacity can been found in the COMBILOG manual, available on it's product page.
In case you want to quickly calculate the storage capacity in days for your application, please use the calculation tool below.
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