Ihara U.S.Ihara U.S.

Product Specifications

Measuring Geometry

0°/45° (ANSI PH2.17, ISO 5/4, DIN 16536)

Filter Response Status

Status T, Status E, Status A



Measuring Range

Density 0.00D - 2.50D
Dot Area 0% - 100%


±0.02D (2%)

Light Source

Halogen Lamp, Approx. 2856°K

Aperture Diameter

3.0mm (1.7mm optional)


GaAsP Photodiode


128 x 64 Dot Graphic LCD

Power Supply

Ni-Cad (4.8V), 800mAh

Recharge Time

Approximately 1.5 hours

Measurements per Charge

Approximately 4,000 (Internal Testing)

Warm Up Time


Measuring Time

Approximately 1 second

Operating Temp. Range

41°F ~ 104°F (5°C ~ 40°C)

Polarization Filter


Security User Code



2 3/4” W x 2” H x 8 1/4” L (72mm x 50mm x 210mm)


1.2 lbs. (with batteries) (530 g)

Computer Output

Configurable RS-232C Serial Interface


R730, R730P
Color Reflection Densitometers

Available with Optional Plate Reading (R730P)


The model R730 color reflection densitometer is our most advanced densitometer utilizing the latest technology to ensure great accuracy, inter-instrument, and repeatablity. This instrument combines functionality and simple user interface in a small, lightweight design.

The model R730 measures: Density, Density Difference, Dot Area, Dot Gain, Ink Trap, Print Contrast, Hue Error, Grayness, Brightness, Cast, Saturation, Dot Anaylysis, and Auto Function.


  • Simple user interface with self-guiding prompts;
  • Menu-driven display guides the operator through calibration, set-up, and all measurement functions;
  • Extremely reliable and requiring little or no maintenance;
  • Multiple language user interface supported (English, Spanish, Portuguese, French, Italian, German, and Japanese);
  • Easy and low cost maintenance;
  • Manufactured in Japan under ISO 9001 certification;


  • Operation Manual
  • Calibration Standard
  • AC Adapter (9V, 500mA, center-negative)
  • Carrying Case
  • Serial Interface Cable (Optional)
  • Cable Harness (Optional)

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