LED measuring day at Bloomtech

der-led-messtag-bloomtech

LED measuring day at Bloomtech, Göttingen area

In September we launched our first LED measuring day in Bovenden (Germany, close to Göttingen). We met with Bloomtech’s Thomas to run the first part of our measurement series. We set up a tent to provide a measurement area of 1m2 and tested various LED lights by different manufacturers.

The measuring marathon ended up being a great day of work and fun. Thomas provided bratwurst and beer (thanks again for that!) and we talked shop about everything LED.

der-led-messtag-leds
thomas-patrick
kundengespraech
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Measurement Setup

The setup is comparatively simple. We provided 1m2 of measuring space and installed 81 metering points of which we ended up using 25. They are highlighted by the big black dots.

The second tool was a simple rod on which we marked our three measuring heights, making it easy to adjust the lights for our tests.

Finally, the last and most important tool we used was an Apogee Full Spectrum Quantumsensor, a sensor with a spectral range of 389 to 692 nm. To ensure that all lights reached their respective working temperatures before the tests we switched them to full power 15 minutes prior to the actual tests.

Quantumsensor
Abstandmessung-led
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LED Measuring Day – Results

The idea behind the tests was to compare the different lights in real life situations and so the heights in which we installed the respective lights was dependent on the specifications of each single light. We used heights of either 30cm, 60cm or 90cm. The goal was to compare illumination and PPFD data if the lights are used either as you would find them in shops or in use by regular customers. The collected data was transferred to an excel-sheet and is listed below.

v-tac-vt9111

V-Tac 9111 100W LED High Bay UFO

Manufacturer’s specifications:

LED type
SMD

Operational life span
30 000 hours

Power
100W

EQ. Power
1000W

Color temperature
6000K

Color rendering index CRI
80

Dispersion angle
120 °

Dimming function
No

Warranty
5 Years

Messergebnisse-vtac-30cm
Messergebnisse-vtac-60cm
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hydroca-blue-line-saga

Hydroca Blue Line 416

Manufacturer’s specifications:

LED type
Osram & Cree

Operational life span
50 000 hours

Power
416W

EQ. Power
600W

Color temperature
LED Ratio 660nm/630nm/450nm/460nm/3.5k

Color rendering index CRI

Dispersion angle
90 °

Dimming function
No

Warranty
2 Years

Messergebnisse-Hydroca-blue-line-30cm
Messergebnisse-Hydroca-blue-line-60cm
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budmaster-god-2

Budmaster G.O.D 2

Manufacturer’s specifications:

LED typ
Osram SSL

Operational life span
100 000 hours

Power
97W

EQ. Power

Color temperature

Color rendering index CRI

Dispersion Angle

Dimming function
No

Warranty
5 Years

Messergebnisse-budmaster-god-II-30cm
Messergebnisse-budmaster-god-II-60cm
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Greenception-t9

GBK T9 LED Cluster (newer Greenception models – to be tested soon!)

Manufacturer’s specifications:

LED type

Operational life span

Power
245W

EQ. Power
400W

Color temperature

Color rendering index CRI

Dispersion angle

Dimming function
No

Warranty

Messergebnisse-greenception-t9-30cm
Messergebnisse-greenception-t9-60cm
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sanlight-m30

3x Sanlight M30

Manufacturer’s specifications:

LED type

Operational life span
80 000 hours

Power
30W (per Modul)

EQ. Power

Color temperature

Color rendering index CRI

Dispersion angle
90°

Dimming function
No

Warranty
3 Years

Messergebnisse-sanlight-m30-30cm
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spektrumking-sk600

Spektrum King SK600

Manufacturer’s specifications:

LED type
Cree

Operational life span
50 000 hours

Power
640W

EQ. Power
1000-1200W

Color temperature

Color rendering index CRI

Disperion angle
90° oder 120°

Dimming function
Yes

Warranty
3 Years

Messergebnisse-spectrumking-sk600-60cm
Messergebnisse-spectrumking-sk600-90cm
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2er_bundle_front

sunflow 1m² Bundle 300W

Manufacturer’s specifications:

LED type
Cree CXB3590

Operational life span
60 000 hours

Power
150W (per Modul)

EQ. Power
450 W

Color temperature
3500K

Color rendering index CRI
80

Dispersion angle
72°

Dimming function
Yes

Warranty
5 Years

Messergebnisse-sunflow-sunflowPRO-60cm
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Results!

You can (and should) make up your own mind concerning the results and we would love to hear what you think – post your thoughts in our support chat or join one of our live streams on youtube (coming soon). Also, we’re currently planning on going live with knowledge transfers. Please get in touch with us if you are interested in that regard!

Of course we’re always available for questions and feedback in general – maybe you’ll even catch us live in the small window below. We hope we’ve been able to help you with your decision as to which LED grow light is right for you.

If you like what you see here please consider to subscribe to our Youtube-Channel – more info coming soon!

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