Where’s my product’s serial number?

Find the label

You can find most serial numbers on a label that is usually prominently displayed on the exterior casing of the product.  The serial number will be below the bar code (on the label).  The first letter of the serial number will be “H.”  Please see the examples below.

Look on the back panel

On many products the label is located on the back side – the serial number is below the barcode.


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Click on image to enlarge

Look on the side of the product

The label is sometimes located on the side with the serial number under the barcode.


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MK350S Advanced – Look behind back panel

For the MK350S Advanced, you must remove the backplate cover –  the label with the Serial Number can then be seen (as shown).

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PG200N – Look underneath detachable head

To find the Serial Number on the PG200N, you must detach the head and look under neath (as shown).

Note: If you have a PG100N, the serial number is located on a label on the back side of the body of the device.

Click on image to enlarge

Handbook Series

The Grow Light Handbook

Everything thing you need to know to get started on Indoor Farming, PAR meters, and Grow Lights  – history, industry, vertical farming, PPFD, types of lights, photosynthesis and more!

▸ Get it!

About UPRtek

United Power Research and Technology

UPRtek (est. 2010) is a manufacturer of portable, high-precision light measurement instruments; Handheld Spectrometers, PAR meters, Spectroradiometers, Light Calibration Solutions.

UPRtek HQ, R&D and manufacturing are all based out of Taiwan, with Worldwide representation through our certified Global Resellers.

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Grow light chamber

What is a "Spectral" PAR Meter

Valentine’s Day is approaching, and you're an anxious indoor rose farmer trying to encourage your buds to bloom in time.

The good news is that researchers have begun to understand the triggering mechanisms for seed germination, flowering, and fruiting, involving grow-light strategies

Now indoor farmers are using this information with “Spectral” PAR meters, measuring grow lights for a light metric PSS (Phytochrome Photostationary State) to trigger photomorphogenesis (i.e., plant transformations caused by light).

  ▸ Read on