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densitometer.jpg Hand-Held Digital Clamshell Densitometer
Become a "speed reader" with this accurate, Clamshell Densitometer. Lift the "shell" and insert film, close the "shell" and press READ button. The measured optical display appears on the 3-digit liquid crystal display. The self-contained light source makes it convenient to use anywhere.
Range: 0.0 to 4.0 OD. Accuracy: 0.02D.
Reproducibility: = 0.01D. Operating Temperature Range: 50F to 104F (10C to 40C). Aperture: 2mm. Measuring Length: (Throat); 5.3 inches (135 mm). Display: 3-digit, 5 in. LCD with polarity and low-battery indicator. Zero Range: Auto zeroes to density 1.00. Sensor: High efficiency silicon photodiode. (C) Controls: (A) Zero pushbutton automatically (D) zeros unit (B) Power ON/OFF switch.
READ pushbutton-initiates READ sequence. Calibration control - screwdriver adjusted 20-turn potentiometer to calibrate against a known step tablet. Light Source: Special lamp turned on during measurement, provides long life with minimum intensity degradation. Also reduces heating to a minimum.
Power: Four 1.5V AA batteries. Size: 2.4" H. x 3.2" W. x 7.1"D. (61 mm x 81 mm x 180 mm). Call for pricing. Limited availability.

sensitometer.jpg Hand-Held Dual-Color Sensitometer
Now it's easy to make high-quality control test films. This unit has variable exposure time settings for blue and green-sensitive film. Just raise the platen, insert film, lower platen, push a button, and exposure is made. Features a 21 step density wedge with numbered 0.15D increments.
Light Source: Dual-color electro luminescent. Blue 455nm ± 10nm; green 520nm ± 10nm. Repeatability: ± 0.04D log exposure from unit to unit. Stability: ± 0.02D log exposure per year at 10°C - 45°C. Exposure Area: 21 steps, each 5mm x 10mm. Tablet Densities: 0.05 to 3.05D in 0.15D increments. Exposure Time: Adjustable, 50-500 ms typical. Exposure Adjustment: Separate screwdriver adjustments = 0.5D on each color. Controls: 1. Push-to-expose button with buzzer monitor and 2-second delay to prevent double exposures. 2. Blue/Green switch. 3. Power switch - none required. Unit draws no power on stand-by. Power: Size: Two 9V alkaline transistor batteries. Weight: MN1604 or equivalent. Optional AC power converter. 7-5/8" L x 5-1/4" W x 3-5/8" H.
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