Measuring Geometrics

• 45° illumination
• 15°, 25°, 45°, 75°, 110° aspecular viewing
• Angular Accuracy ±0.15°
• Fibre optic pick-up, coupled with DRS technology

Measurement Area

0.5" (12mm) diameter

Light Source

Gas-filled tungsten lamp, color corrected to approximately 4000°K

Illuminant Types

C, D50, D65,D75, A, F2, F7, F11 and F12

Standard Observers

2° and 10°

Receiver

Blue-enhanced silicon photodiodes

Spectral Range

400 - 700nm

Spectral Interval

28 band spectral measurement:

10nm interval from 400nm - 640nm

20nm interval from 640nm - 700nm

15nm bandwidths

Spectral Data Output

Spectral reflectance values are available for output from the RS232 port for 5 angles at 10nm intervals from 400nm  700nm

Measurement Range

0 to 400% reflectance

Measuring Time

Approximately 2 seconds

Inter-Instrument Agreement

• 0.18 DE* average on reference BCRA tile set
• 0.35 DE* maximum on any chromatic tile
• 0.15 DE* maximum on any grey tile

Short-Term Repeatability

0.10 DE*ab  on white ceramic (standard deviation)

Lamp Life

Approximately 500,000 measurements

Power Supply

Six rechargeable AA Ni-metal hydride batteries included - removable battery pack; 7.2 VDC rated @ 1400 mAh

AC Adapter Requirements

• MA68: 90 - 130VAC, 50 - 60Hz, 15W max
• MA68X:  180 - 260VAC, 50 - 60Hz, 15W max
• 12 VDC @ 700mA

Charge Time

In Instrument: 4 hours (50%), 16 hours (100%)

Measurements per Charge

1,000 5-angle measurements

Data Storage (Five Angles)

200 Standards, 850 Samples

Data Interface

Patented bi-directional RS232, 300 - 19,200 baud

Display

4-row by 20 character supertwist dot matrix LCD

Operating Temperature Range

50° to 104°F (10 to 40°C)

85% Relative Humidity Maximum (non-condensing)

Storage Temperature Range

-4° to 122°F (-20° to 50°C)

Weight

3.2lbs (1.4kg)

Dimensions

4.56" x 3.0" x 8.85" (116 x 76 x 225mm)

Supplied with

Calibration Standards, Operating Manual, AC Adapter and Carrying Case