1823A BK | Alldatasheet
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M odels 1823A , 1856D D ata Sheet w w w .bkprecision.com Technical data subject to change © B& K Precision Corp. 2014 v051115 Specifications 1823A 1856D Range 0.1 H z - 2 .4 G H z 0.1 H z - 3 .5 G H z Frequency √ T otalize √ Period √ Tim e Base Stability ± 1 ppm Best Resolution 1 nH z N o. of D igits 9 D isplay H old √ Low Pass Filter √ Sensitivity 2 50 m V (0.1 H z - 1 H z), 3 0 m V (1 H z - 1 00 M H z), 50 m V (80 M H z - 1 50 M H z), 50 m V (1 50 M H z - 2 .0 G H z), 60 m V (2 .0 G H z - 2 .4 G H z) 3 0 m V (0.1 H z - 1 00 M H z), 1 5 m V (80 M H z - 2 G H z), 2 0 m V (2 G H z - 3 .0 G H z), 3 0 m V (3 .0 G H z - 3 .2 G H z), 50 m V (3 .2 G H z - 3 .5 G H z), Rem ote Interface RS2 3 2 Self- T est √ Tim e Interval M easurem ent √ - Frequency Ratio M easurem ent √ - A C Input 1 1 5/2 3 0 V (50/60 H z) W eight 5.5 lbs (2 .5 kg) D im ensions (W x H x D ) 9 .4” x 3 .5” x 1 0.6” (2 3 9 x 89 x 2 69 m m ) O ne-Year W arranty The 1 82 3 A and 1 856D are reciprocal 2 .4 G H z and 3 .5 G H z frequency counters that are m icroprocessor controlled. Their LED displays can provide up to nine digits of resolution using an external tim e base with a 1 0 s gate tim e. The high accuracy, sensitivity, and versatility of these counters m ake them an extrem ely valuable instrum ent to scientists, engineers, and com m unications technicians for a broad spectrum of laboratory and service applications. Features and Benefits I ± 1 PPM Tim e base stability I Trigger level function (1 82 3 A only) I Frequency ratio m easurem ent function (1 82 3 A only) I Tim e interval m easurem ent function (1 82 3 A only) I RPM m easurem ent function (1 856D only) I External frequency standard input I Bright LED display I A ttenuator I Period I T otal I Low pass filter I Line filter I RS2 3 2 C Interface M odel 1 856D M odel 1 82 3 A