The ULM has 5 sensitivity ranges with fast automatic switching. The range-switching can be set to automatic for convenient measurements or to manual for fast time resolution. Channel no. In the chart mode a time course of 1. The minimum, maximum and average are indicated. This is usually not possible with standard light meters. The ULM can be connected to the software WinControl-3 for continuous fast recording of light flecks.
Got one recently with an old Ricoh It does not appear to work, unless I don't know what I am doing. I assume it is selenium as opposed to battery? Any help appreciated. Not working is unfortunately common for selenium light meters. Often a matter of bad electrical contact to the selenium cell, but the cells can fail badly as well. Quality Light Metric can fix most selenium meters, but it's probably best to invest the cost in a good one large scale, sensitive.
I tried Mr. Butkus, but no coronet "B". Channel no. In the chart mode a time course of 1. The minimum, maximum and average are indicated. This is usually not possible with standard light meters. The ULM can be connected to the software WinControl-3 for continuous fast recording of light flecks. The ULM can be used as simple light meter for single light measurements or as data logger for continuous measurements.
It can store up to 50 data points. Stored data can be downloaded with the software WinControl With the leaf clips not only PAR but also leaf temperature is measured and displayed. Display illumination with white LED backlight renders readability in the dark.
The ULM is a stand-alone instrument, but can also be connected to a computer and operated with the software WinControl
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