DR300 ETC
Document overview
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Technical content
Series DR Specifications continued Digital Readout Dials Numerals . The numerals shall be white on a black background and .130 in. high (3.30 mm). Phasing The dial shall have the features of being phased “hy Ni during the mounting operation by rotating the exposed "is XN \\ component shaft to correspond with the desired reading on the dial prior to tightening the set screws. Mounting The spring detented knob shall be temoved using a straight pull, exposing two No. 4.40 hex socket set screws for mounting the dial directly to the component shaft. — ~ Finish ae _ Cover: metal finish knobs Bezel and base: matte black plastic Weight — i ~ 1.6 ounces (45.36 gm)
Description
The DR series is designed specifically for multi-turn Figure 1 potentiometers. The removable knob exposes end of Series DR, Digi-Dial Dimensions the component shaft for precise phasing. An excellent 125 complement to our 73JA, 73JB, and 62JA [Stem] potentiometers. Features Poon + Large, highly readable numerals L + Positive breaking action [19 ,) <———] (7 PAX + Attractive appearance ae) 5 605 Ceram (et [77 TI Series DR Specifications ae | 280 +202 owmeTER Operation (3 Digit/10 turn) eae [ass aot) ‘The left digit indicates the number of complete -0.00) revolutions of the turning knob and the right two digits indicate the percent of a revolution. The unit | registers a total count of 999. - Operation (4 Digit!100 turn) I — 128 +205 pwwereR The left two digits indicate the number of complete [10 } 1 [25mm] eaee] revolutions of the turning knob and the right two digits | indicate the percent of a revolution. The unit chy (WO. 30 DRILL) registers a total count of 9999. 7 Lv A T € COMPONENT SHAFT HOLE Accuracy Graduation lines adjacent to the numerals on the right digit whee! indicate settings of .2% of a revolution of the TOLERANCES: UNLESS OTHERWISE NOTED B kno’. DECIMALS: +.005 [40.13] Rotation ANGLES: | £2" The indication shall increase with clockwise rotation of _ BASIC DIMENSIONS ARE IN INCHES the turning knob. MILLIMETER DIMENSIONS IN BRACKETS Specifications continued, nextcolumn ss ‘itmensions continued, next page 185
Series DR DIGI-Dial Dimensions ibe (Rake'.asey seal Tern 2005) “NY "| oem ‘ee | lia | TOA H ‘cre few UR ‘ \\ i & og: =) | (idee i fier) ba 4 WHEEL VERSION (OR-400) Bord Figue3 OO Series DR Mounting Illustration REMOVEABLE KNOB EXPOSES END OF COMPONENT Set Schens 10 G¥E UNT SHOOT), ONELEMISED A KNOB IS REMOVED BY A FIRM | BZ OUTWARD PULL > Y sS nal SPRINGS SNAP OVER RIB ON HUB OF DUAL TO HOLD KNOB IN PLACE ‘SHAFT OF COMPONENT IS EXPOSED FOR ACCURATE, EFFORTLESS PHASING TO DIAL READING ‘SET SCREWS ATTACH DIAL TO COMPONENT SHAFT Catalog Number Description DR300 3 digit, metallic finish DR400 4 digit, metallic finish 186