Cherlyn Electronics Ltd

The Ihara R720 Colour Reflection Densitometer is our most popular pressroom unit. With Density & Dot measuring functions it meets the QC needs of most printers.

  • Ihara Densitometer Model R720Low cost - you won't find better value

  • Portable - battery powered

  • Lightweight & compact

  • Really easy to use - on screen guidance

  • Fast measurements - less than 1 second

  • Accurate and repeatable

  • Automatic colour recognition

Measuring Functions:

  • Density - up to 2.5D

  • Density difference

  • Dot Area

  • Dot Gain

  • Auto-Function

When you need a general purpose densitometer for checking tints, and measuring ink densities, look no further than the Ihara R720 - you won' find better value or a more accurate instrument!

The R720 allows you to measure tints, to check patches on control strips for tolerances on dot gain. On press, it will enable you to set up to achieve a consistent ink densities across the  web, and to maintain those levels throughout the run. It is not limited to just the 4 standard process colours, but can be used in the same way to measure tints and maintain consistency of any colour during a press run. 

  • Top Performance & Reliability  Made in Japan by Ihara Electronic Industries, the R720 has proven reliability and accuracy.

  • Menu Driven Commands  Simply select the required functions from the on-screen menu - you won't ever need to read a manual. Clear and precise instructions for every measurement are displayed on the large LCD screen.

  • Help Key  Displays explanations for all measuring functions, along with answers to FAQs.

  • Upgradeable Design  If you need extra features in the R730 models, you can upgrade later at a nominal extra cost.

  • Quick Calibration  Recalibrate the unit in seconds.

  • Auto Function  Automatically measures density or dot gain.

  • Printer & Computer Interface  Configurable RS 232 serial interface provided for connecting to a PC or printer.

  • Fully Portable  Rechargeable batteries provide up to 4,000 readings before recharging.

  • Plate Reading  Optimized function for checking control strip tints on plates - available at small extra cost.

  • Filter/Aperture Options  Standard models supplied with Status T filters, 3 mm aperture and polarized. Manufacturer's options available for Status E filters, 1.7 mm aperture and no polarization.


  • Measurement Functions  Density, Density Difference, Dot Area (Murray-Davies or Yule-Nielsen), Dot Gain, Auto-Function

  • Filter Response  Status T (standard), Status E (Manufacturing option)

  • Measuring Geometry  0/45º (ANSI PH2.17, ISO 5/4, DIN 16356)

  • Measuring Range  Density 0.00D - 2.50D, Dot Area 0% - 100%

  • Repeatability  ±0.01D

  • Accuracy  ±0.02D

  • Light Source  Halogen Lamp (Approx. 2856K)

  • Aperture Diameter  3.00mm (standard), 1.7mm (manufacturing option)

  • Detector  GaAsP Photodiode

  • Display  128 x 64 Dot Graphic LCD

  • Power Supply  Ni-Cad (4.8V), 800mAh

  • Recharge Time  Approx. 1.5 hours

  • Measurements per Charge  Approx. 4,000

  • Warm Up Time  None

  • Measuring Time  1 second (Max.)

  • Operating Temperature Range  5ºC - 40ºC

  • Polarization Filter  Included (standard), None (Manufacturing option)

  • Dimensions  72mm (W) x 50mm (H) x 210mm (L)

  • Weight  0.53kg

  • Computer/Printer Output  Configurable RS-232C Serial Interface

  • Standard Accessories  Operating Manual/Calibration Standard/AC Adaptor (9V, 500mA)/ Carry Case

If you need more functions, look at the Ihara R730 Densitometer which includes Dot functions, or refer to the Selection Chart.  Also, bear in mind that the R720 can always be upgraded later if required.

Buy PANTONE Formula Scales and Ihara Densitometers by calling our sales team direct on +44 (0) 1223 228275

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© Cherlyn Electronics Limited, 2012