MODEL 909 Pen Dosimeter Charger



The 909 is a compact lightweight instrument designed to charge direct reading pocket dosimeters.

Model 909 Pen Dosimeter Charger by Arrow Tech Inc.

The charger’s reading light reduces re-zeroing time and effort by eliminating the need to remove the dosimeter from the charger for reading. Simply view the scale while the dosimeter is resting lightly on the charger contact after rezeroing. Reading in the same orientation as charging also minimizes the effect that gravitational induced fiber movement has on dosimeter accuracy and precision.

The DCA Model 909 charging contact is spring-loaded and has a positive mechanical stop. This design feature makes it impossible to damage dosimeters through excessive charging force. The patented “kick” feature found on the DCA Model 909 Charger automatically removes residual static charge from the dosimeter’s charging pin every time the dosimeter is re-zeroed. This eliminates a major source of erroneous fiber movement (up to 5% of full scale)

Weight: 10.6 oz.( 302 g)

Width: 4” (102 mm)

Length: 4” (102 mm)

Height: 3.5” (89 mm)

Case ABS Plastic

Controls One turn potentiometer Reading; spring-loaded push rod

Power – Battery 1.5 V “D” cell

Charging voltage 40 V to 220 V

Operating Temperature 0 – 120 F (-18 – 49 C)

 

Model 909 Charger

 

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