High Density (HD) QTR Arrays

High Density (HD) QTR Arrays

High‑density reflectance arrays use infrared LED and phototransistor pairs to detect subtle changes in surface reflectance, making them suitable for line following, edge and gap detection, surface mapping and close‑range object sensing. They come as tightly spaced multi‑element strips or single sensors with extended range or low‑current variants.

Key attributes include closely spaced channels for fine lateral resolution, analogue outputs for graduated readings and digital RC outputs for thresholded signals, and options that trade luminous drive for lower power consumption. Standard board footprints and simple drive requirements make integration straightforward, while solid‑state sensors offer repeatable, reliable performance in short‑range sensing tasks.

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QTRX-HD-07RC Reflectance Sensor Array: 7-Channel, 4mm Pitch, RC Output, Low Current

Code: SKU-004801

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 7 29.0 × 20.0 RC (digital) 3.5 mA 17 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 17.95

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+140 more from our supplier in 7-10 days

QTRX-HD-09A Reflectance Sensor Array: 9-Channel, 4mm Pitch, Analog Output, Low Current

Code: SKU-004993

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 9 37.0 × 20.0 analogue 3.5 mA 22 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 22.95

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QTRX-HD-09RC Reflectance Sensor Array: 9-Channel, 4mm Pitch, RC Output, Low Current

Code: SKU-004989

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 9 37.0 × 20.0 RC (digital) 3.5 mA 22 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 22.95

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+39 more from our supplier in 7-10 days

QTRX-HD-11A Reflectance Sensor Array: 11-Channel, 4mm Pitch, Analog Output, Low Current

Code: SKU-005033

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 11 45.0 × 20.0 analogue 3.5 mA 26 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 28.95

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+75 more from our supplier in 7-10 days

QTRX-HD-11RC Reflectance Sensor Array: 11-Channel, 4mm Pitch, RC Output, Low Current

Code: SKU-005031

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 11 45.0 × 20.0 RC (digital) 3.5 mA 26 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 28.95

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+88 more from our supplier in 7-10 days

QTRX-HD-13A Reflectance Sensor Array: 13-Channel, 4mm Pitch, Analog Output, Low Current

Code: SKU-005329

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 13 53.0 × 20.0 analogue 3.5 mA 31 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 32.95

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QTRX-HD-13RC Reflectance Sensor Array: 13-Channel, 4mm Pitch, RC Output, Low Current

Code: SKU-005325

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 13 53.0 × 20.0 RC (digital) 3.5 mA 31 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 32.95

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+70 more from our supplier in 7-10 days

QTRX-HD-15A Reflectance Sensor Array: 15-Channel, 4mm Pitch, Analog Output, Low Current

Code: SKU-004840

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 15 61.0 × 20.0 analogue 3.5 mA 34 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 36.95

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QTRX-HD-15RC Reflectance Sensor Array: 15-Channel, 4mm Pitch, RC Output, Low Current

Code: SKU-004837

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 15 61.0 × 20.0 RC (digital) 3.5 mA 34 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 36.95

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QTRX-HD-25A Reflectance Sensor Array: 25-Channel, 4mm Pitch, Analog Output, Low Current

Code: SKU-005330

pitch × sensors size (mm) output max current optimal range LED board 4 mm × 25 101.0 × 16.5 analogue 3.5 mA 56 mA 10 mm This array of IR LED/phototransistor pairs is great for precisely identifying changes in reflectance (like line detection).

$ 64.95

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Shipping from $9.90

+26 more from our supplier in 7-10 days