Klein K-10a Professional Colorimeter
(ChromaPure software not
Klein K-10a Professional Colorimeter with ChromaPure Professional
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New to calibration? Give our
free step by step guide a read:
Confused about meters? See our
FAQ: Which meter
is right for me?
The backbone of any video measurement or calibration effort is the
colorimeter. Spectroradiometers, despite their reference accuracy, do not offer
either the speed or the low-light sensitivity for the front line measurement
instrument. For this you need a colorimeter. The Klein K-10a is the industry
standard for professional-quality colorimeters. Its speed and low-light
sensitivity is the best in the business. For maximum accuracy it should be
paired with a reference spectroradiometer, such as those offered by JETI or
This is one of the few color analyzers on the market that can reliably read a
10% stimulus test pattern off of a front projection screen. Its low-light
performance is that good. It is unequalled for speed and low-light sensitivity
and offers the fastest and most stable response of any color
analyzer we have tested. It returns readings virtually instantaneously, and they
do not bounce around. They remain quite stable, even at surprisingly low light
Professionals interested in the K-10a are usually comparing it to the
Colorimetry Reseach CR-100 as the two
units are similar in form and function (both are professional quality
colorimeters). The Klein K-10a is faster than the CR-100, but not by a lot. Both
are similar in terms of accuracy. The K-10a is larger and includes a diffuser
and an aiming mechanism, although at a higher price. These features are
available for the CR-100 but as optional add-ons, bringing the pricing between
the two units closer.
| Measurement area
||43 mm at contact
60 mm at 10 cm distance
70 cm at 4 meters distance
| Acceptance angle
| Measurement Distance
|Display Range (Luminance)
|| 0.0001to 10,000 cd/m2
|Display Range (Chromaticity)
||Displayed as 3 or 4 digit value (selectable)*
| Luminance (Meas. Range)
|| 0.00006 to 10,000 cd/m2
| Luminance (Accuracy)
||±2% (3.00 to 10,000 cd/m²)
||±0.1% (3.00 to 10,000 cd/m²)
| Chromaticity (Meas. range )
||0.020 to 10,000 cd/m²
| Chromaticity (Accuracy)
| Chromaticity (Repeatability)
||±0.003 (0.05 to 0.1 cd/m²)
±0.0003 (2 to 10 cd/m²)
| Flicker (VESA) (Meas. range)
||1 to 150Hz*
| Flicker (VESA) (Display Range)
||0.0 to 999.9%
| Flicker (VESA) (Accuracy)
||±1% (flicker frequency: 30 Hz 75% duty cycle square wave)
±1% (flicker frequency: 60 Hz 75% duty cycle square wave)
| Flicker (Contrast Method) (Meas. Range)
|| 1 to 150Hz*
| Flicker (Contrast Method) (Display Range)
||0.0 to 999.9%
| Flicker (Contrast Method) (Accuracy)
||±.4% (flicker frequency: 30Hz AC/DC 10% sine wave)
| Measurement speed (xyY)
|| 8 measurements per second, averaging below 2.7 nits
| Measurement speed (Flicker)
||384 measurements per second*
| Memory channels
||90 stored in colorimeter
| RGB Analyzer function
|| USB or RS-232c (38,400 bps maximum)
| Multi-point measurement axis
||1,4,5, or 9 probes using Klein K-colorimeter software‡
||Chromasurf (available on website)
SDK software (supplied as standard accessory)‡
| Operating temperature/humidity range
|| Temperature: 15 to 35°C; Relative Humidity 70% or less with no condensation.
Luminance change: ±2% ±1 digit of reading for white; Chromaticity change: ±0.002
for white, ±0.006 for monochrome from reading of Klein’s standard LCD, 120 cd/
m² at 23°C 40%RH
| Storage temperature/humidity range
||0 to 28°C: Relative Humidity 70% or less with no condensation; 28 to 40°C:
Relative humidity 40% or less with no condensation
|Input voltage range/ power
|| 5V (USB power), ≤150mA
||60mm diameter, 265mm length
|| 570g (1 pound, 4 ounces)
The Klein K-10a as shipped contains:
Klein K-10 meter and carrying case
Rubber boot (for direct contact readings)
Diffuser (for illuminance readings)
Klein software on CD
Klein K-10a Colorimeter w/extension tube and rubber boot installed
For your convenience our ChromaPure
partner offers a simple
calibration DVD that includes all of the test patterns that you'll need to
perform a complete calibration of your display. This DVD is offered free as a
complementary download, or a DVD can be shipped to you for the cost of shipping
and handling (see above).
Click here to download the DVD
- Download the .zip file to your PC.
- Unzip the contents, which is an .iso DVD image file, to
your hard drive.
- Double-click the .iso file.
- If you have DVD burning software (e.g., Nero Burning
ROM), the file will open.
Set the image type to DVD (not CD) if necessary.
- Insert a blank, writable DVD into your DVD
burner, and then burn the image.
Klein Instruments Corporation (Portland, OR) has a twenty-five year history of
delivering reference-grade optical instruments, primarily to display
manufacturers. When you use a Klein K-10a to calibrate your display, you are very
likely using the same instrument the manufacturer used to test it!
The Klein K-10a is backed by a strong one-year warranty from the manufacturer.
For reviews/testimonials of ChromaPure calibration software & packages, see our
ChromaPure order page.
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free calibration guide:
Grayscale & Color
Calibration for Dummies. We live and breathe calibration. No matter what
your needs we can assist in choosing what's right for you. We offer products for
the budget DIY'er all the way up to the seasoned professional, all at CurtPalme.com
Grayscale & Color Calibration for Dummies
ChromaPure Discussion/Support Forum
FAQ: Which meter
is right for me?
Science: About Meter Accuracy
Video Calibration Myths
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