Sky Quality Meters

This unit mounts to the sunny side of the SQM-H housing and charges up the 4xAA NiMH batteries (included) so that the SQM-LU-DL can operate throughout the nighttime. It replaces the original SQM-LU-DL battery pack.

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Sky Quality Meter - Solar charger - SQM-DLHSC-Solar

$421.00

Pegasus Astro Pegasus Astro Uranus Meteo Sensor

This pocket-sized device is an all-around astronomer/astro-photographer companion.

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Pegasus Astro Uranus Meteo Sensor

$390.00

Unihedron Sky Quality Meter - SQM-LU-DL-V

A USB enabled vector data-logging light meter for night-time sky brightness monitoring!

An affordable meter for continual, connected or autonomous data-logging to measure sky brightness for astronomers and light pollution investigators.
The "Sky Quali

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Sky Quality Meter - SQM-LU-DL-V

$345.00

A USB enabled data-logging light meter for night-time sky brightness monitoring!

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Sky Quality Meter - SQM-LU-DL

$287.00

Unihedron Sky Quality Meter LE (Ethernet Enabled) - SQM-LE

An ethernet-enabled SQM model for night-time sky brightness monitoring!

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Sky Quality Meter LE (Ethernet Enabled) - SQM-LE

$287.00

A USB SQM model for night-time sky brightness monitoring!

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Sky Quality Meter - SQM-LU

$218.00

An RS232 SQM model for night-time sky brightness monitoring!

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Sky Quality Meter - LR

$218.00

Unihedron Sky Quality Meter with Lens - SQM-L

An affordable meter for measuring sky brightness for astronomers!

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Sky Quality Meter with Lens - SQM-L

$155.00

An affordable meter for measuring sky brightness for astronomers!

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Sky Quality Meter-SQM

$138.00

Unihedron Unihedron - Weatherproof Housing with Power over Ethernet Kit ONLY

This housing design is made to protect the SQM-LE/LU from normal outdoor conditions including weather and insects.

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Unihedron - Weatherproof Housing with Power over Ethernet Kit ONLY

$115.00

A source of broad spectrum (white), blue, green, yellow, orange/IR, and red light for optics demonstrations and experiments.

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Unihedron Nu-B-Color or IR

$69.00

Unihedron Unihedron Sky Quality Meter - Weatherproof Housing ONLY

This housing design is made to protect the SQM-LE/LU from normal outdoor conditions including weather and insects.

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Unihedron Sky Quality Meter - Weatherproof Housing ONLY

$49.00

Unihedron Unihedron SQM-L tripod adaptor (Includes Small Order Handling Fee of $20)

This adaptor kit was designed specifically for the SQM-L so that the battery compartment is accessible with the adaptor in place.

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Unihedron SQM-L tripod adaptor (Includes Small Order Handling Fee of $20)

$39.95

Unihedron Sky Quality Meter - Window mount - SQM-Window mount

This Window mounting bracket is used for moving light pollution studies while a "connected" meter and GPS are attached to a computer using UDM logging continuously with the GPS option enabled described here.

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Sky Quality Meter - Window mount - SQM-Window mount

$29.99

Unihedron Sky Quality Meter - SQM Filter adaptor (Specify Model and Filter Size)

The filter adaptor is screwed on to the back of the SQM (choose model below) and the filter (not included, choose size below) is screwed into the adaptor.

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Sky Quality Meter - SQM Filter adaptor (Specify Model and Filter Size)

$29.99

The Unihedron CapSelector provides an inexpensive way to tune a VLF loop over a wide range (120 - 5510 pF) of capacitances.

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Unihedron CapSelector

$29.95

Unihedron Unihedron DL-batt replacement battery pack

Battery holder with built in voltage regulator to provide 5V for USB connection.

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Unihedron DL-batt replacement battery pack

$20.00

$Unihedron Unihedron Diffraction Grating$

A standard diffraction grating used to separate white light into its spectrum.

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Unihedron Diffraction Grating

$10.00