Pavement Retroreflectometers

Ultra 30, Ultra 15, Mirolux 12

New features


The following table provides a summary of the technical specifications for the Mirolux Ultra 15 and the Mirolux Ultra 30 retroreflectometers.


 Mirolux Ultra 15Mirolux Ultra 30
Specification15 Meter Retroreflectometer30 Meter Retroreflectometer
StandardASTM E 1710
Weight in Use17 pounds (7.75 kg)
Dimensions L x W x H20 x 6 x 7.5 in (560 x 150 x 190 mm)
Observation Angle1.5 degrees1.05 degrees
Entrance Angle86.5°88.76°
Area Measured3.5 x 3.5 in (90 x 90 mm)
Light Source12 volt, 10 watt halogen lamp
Range of Measurements0 to 2000 mcd/m²/lux
Data Transfer MethodInternal memory with printout
Readout4 digit digital display
Operating Temperature40°F to 120°F (4°C to 49°C)
Battery TypeRecyclable Lead Acid rechargeable battery (user replacable)
Battery Life Before RechargingApproximately 12 hours
CalibrationSupplied calibration standard
ControlsTouch pad
Shipping Weight45 pounds (20.4 kg)

Power Source: Utra: 12 volt recyclable and rechargeable battery. Mirolux 12: 12 volt recyclable and rechargeable battery or any 12 volt power source including an automobile's cigarette lighter or power port, or 110 volt AC current passed through a 12 volt DC power supply to the unit's Auxiliary Power Input jack. (The Mirolux retroreflectometers must never be directly powered by 220 volt AC or 110 volt AC power.)

Essential Differences

Observation and entry angles
 Mirolux Ultra 15Mirolux Ultra 30

Mirolux Ultra 30
Made in USAMade in USA