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2014
2015
2016
$63.96, Apr 25 - Apr 28 $64.72, Apr 29 - Jun 22 $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $51.27, May 3 5:04 pm $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $51.19, May 5 6:55 pm $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $51.15, May 7 1:45 pm $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $51.11, May 9 7:03 pm $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $51.06, May 11 1:13 pm $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $51.02, May 13 12:03 pm $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $50.99, May 14 12:03 pm $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $50.94, May 17 3:07 am $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $50.88, May 19 12:57 am $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $50.83, May 21 2:54 am $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $50.79, May 22 10:40 pm $64.72, Apr 29 - Jun 22 $64.01, May 24 5:31 pm $51.34, May 3 - Jun 11 $64.72, Apr 29 - Jun 22 $63.88, May 26 - May 28 $51.34, May 3 - Jun 11 $64.72, Apr 29 - Jun 22 $63.86, May 28 3:07 pm $51.34, May 3 - Jun 11 $64.72, Apr 29 - Jun 22 $63.75, May 30 12:46 am $51.34, May 3 - Jun 11 $64.72, Apr 29 - Jun 22 $63.62, May 31 10:37 pm $51.34, May 3 - Jun 11 $64.72, Apr 29 - Jun 22 $63.59, Jun 1 - Jun 3 $51.34, May 3 - Jun 11 $64.72, Apr 29 - Jun 22 $61.69, Jun 4 - Jun 7 $51.34, May 3 - Jun 11 $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $47.53, Jun 8 - Jun 10 $64.72, Apr 29 - Jun 22 $51.34, May 3 - Jun 11 $49.00, Jun 10 - Jul 7 $64.72, Apr 29 - Jun 22 $49.00, Jun 10 - Jul 7 $8.41, Jun 12 1:32 pm $64.72, Apr 29 - Jun 22 $51.34, Jun 13 - Jun 25 $49.00, Jun 10 - Jul 7 $68.82, Jun 23 - Dec 15 $51.34, Jun 27 - Jul 23 $49.00, Jun 10 - Jul 7 $68.82, Jun 23 - Dec 15 $51.34, Jun 27 - Jul 23 $48.99, Jul 8 11:29 am $68.82, Jun 23 - Dec 15 $51.34, Jun 27 - Jul 23 $47.97, Jul 11 2:31 am $68.82, Jun 23 - Dec 15 $51.34, Jun 27 - Jul 23 $45.49, Jul 12 7:04 am $68.82, Jun 23 - Dec 15 $51.34, Jun 27 - Jul 23 $44.10, Jul 13 10:17 pm $68.82, Jun 23 - Dec 15 $51.34, Jun 27 - Jul 23 $42.74, Jul 16 3:25 pm $68.82, Jun 23 - Dec 15 $51.34, Jun 27 - Jul 23 $42.72, Jul 17 11:16 pm $68.82, Jun 23 - Dec 15 $51.34, Jun 27 - Jul 23 $41.41, Jul 20 6:58 am $68.82, Jun 23 - Dec 15 $51.34, Jun 27 - Jul 23 $40.12, Jul 22 2:16 pm $68.82, Jun 23 - Dec 15 $62.33, Jul 24 8:40 am $40.09, Jul 24 8:40 am $68.82, Jun 23 - Dec 15 $51.34, Jul 25 - Aug 1 $38.85, Jul 26 4:23 am $68.82, Jun 23 - Dec 15 $51.34, Jul 25 - Aug 1 $37.65, Jul 27 11:36 pm $68.82, Jun 23 - Dec 15 $51.34, Jul 25 - Aug 1 $37.61, Jul 29 6:10 pm $68.82, Jun 23 - Dec 15 $51.34, Jul 25 - Aug 1 $36.46, Jul 31 12:55 pm $68.82, Jun 23 - Dec 15 $62.26, Aug 2 8:14 am $36.44, Aug 1 - Aug 2 $68.82, Jun 23 - Dec 15 $62.26, Aug 4 8:16 am $35.32, Aug 4 8:16 am $68.82, Jun 23 - Dec 15 $62.31, Aug 6 8:10 am $34.24, Aug 6 8:10 am $68.82, Jun 23 - Dec 15 $51.34, Aug 7 - Aug 10 $34.20, Aug 8 5:29 am $68.82, Jun 23 - Dec 15 $51.34, Aug 7 - Aug 10 $33.13, Aug 10 7:38 am $68.82, Jun 23 - Dec 15 $50.93, Aug 12 4:56 am $24.27, Aug 12 4:56 am $68.82, Jun 23 - Dec 15 $51.32, Aug 13 - Aug 14 $24.24, Aug 14 9:56 am $68.82, Jun 23 - Dec 15 $51.32, Aug 16 7:21 am $23.48, Aug 16 7:21 am $68.82, Jun 23 - Dec 15 $51.14, Aug 17 11:32 am $23.45, Aug 17 11:32 am $68.82, Jun 23 - Dec 15 $51.17, Aug 19 4:06 pm $22.72, Aug 19 4:06 pm $68.82, Jun 23 - Dec 15 $50.38, Aug 21 5:35 pm $22.00, Aug 21 5:35 pm $68.82, Jun 23 - Dec 15 $51.10, Aug 23 6:00 pm $21.90, Aug 23 6:00 pm $68.82, Jun 23 - Dec 15 $51.11, Aug 24 7:14 pm $21.17, Aug 24 7:14 pm $68.82, Jun 23 - Dec 15 $51.19, Aug 26 9:48 pm $21.05, Aug 26 9:48 pm $68.82, Jun 23 - Dec 15 $51.19, Aug 29 4:19 am $20.31, Aug 29 4:19 am $68.82, Jun 23 - Dec 15 $51.02, Aug 30 7:31 am $19.63, Aug 30 7:31 am $68.82, Jun 23 - Dec 15 $51.26, Sep 1 3:35 pm $19.50, Sep 1 3:35 pm $68.82, Jun 23 - Dec 15 $51.07, Sep 4 1:24 am $18.73, Sep 4 1:24 am $68.82, Jun 23 - Dec 15 $51.23, Sep 5 6:25 am $18.15, Sep 5 6:25 am $68.82, Jun 23 - Dec 15 $50.98, Sep 7 3:06 pm $18.02, Sep 7 3:06 pm $68.82, Jun 23 - Dec 15 $51.08, Sep 8 7:00 pm $17.42, Sep 8 7:00 pm $68.82, Jun 23 - Dec 15 $51.29, Sep 11 4:21 am $17.31, Sep 11 4:21 am $68.82, Jun 23 - Dec 15 $61.23, Sep 13 - Sep 15 $16.68, Sep 13 - Sep 22 $68.82, Jun 23 - Dec 15 $61.57, Sep 17 - Sep 19 $16.68, Sep 13 - Sep 22 $68.82, Jun 23 - Dec 15 $61.23, Sep 22 12:30 pm $16.68, Sep 13 - Sep 22 $68.82, Jun 23 - Dec 15 $61.47, Sep 24 11:50 am $16.67, Sep 24 - Oct 19 $68.82, Jun 23 - Dec 15 $61.57, Sep 26 - Sep 28 $16.67, Sep 24 - Oct 19 $68.82, Jun 23 - Dec 15 $61.36, Sep 30 4:46 pm $16.67, Sep 24 - Oct 19 $68.82, Jun 23 - Dec 15 $61.15, Oct 2 - Oct 4 $16.67, Sep 24 - Oct 19 $68.82, Jun 23 - Dec 15 $60.93, Oct 6 11:33 pm $16.67, Sep 24 - Oct 19 $68.82, Jun 23 - Dec 15 $60.87, Oct 9 1:38 am $16.67, Sep 24 - Oct 19 $68.82, Jun 23 - Dec 15 $60.77, Oct 11 2:46 am $16.67, Sep 24 - Oct 19 $68.82, Jun 23 - Dec 15 $60.64, Oct 13 - Oct 15 $16.67, Sep 24 - Oct 19 $68.82, Jun 23 - Dec 15 $60.54, Oct 17 - Oct 19 $16.67, Sep 24 - Oct 19 $68.82, Jun 23 - Dec 15 $60.82, Oct 21 8:27 pm $16.16, Oct 21 8:27 pm $68.82, Jun 23 - Dec 15 $64.82, Oct 24 5:57 am $15.67, Oct 24 5:57 am $68.82, Oct 30 2:45 am $68.82, Jun 23 - Dec 15 $14.72, Oct 30 2:45 am $68.82, Jun 23 - Dec 15 $64.77, Nov 4 3:05 pm $13.83, Nov 4 3:05 pm $68.82, Jun 23 - Dec 15 $63.23, Nov 11 2:09 am $42.61, Nov 11 2:09 am $68.82, Jun 23 - Dec 15 $61.98, Nov 16 4:11 am $41.31, Nov 16 4:11 am $68.82, Jun 23 - Dec 15 $60.33, Nov 19 6:24 am $40.01, Nov 19 6:24 am $68.82, Jun 23 - Dec 15 $59.43, Nov 21 8:41 am $38.78, Nov 21 8:41 am $68.82, Jun 23 - Dec 15 $63.31, Nov 23 - Nov 25 $13.83, Nov 23 9:17 am $68.82, Jun 23 - Dec 15 $63.31, Nov 23 - Nov 25 $13.41, Nov 25 1:20 pm $68.82, Jun 23 - Dec 15 $62.31, Nov 27 10:07 am $13.00, Nov 27 - Nov 29 $68.82, Jun 23 - Dec 15 $61.79, Nov 29 8:40 am $13.00, Nov 27 - Nov 29 $68.82, Jun 23 - Dec 15 $61.53, Dec 1 7:36 am $12.60, Dec 1 7:36 am $68.82, Jun 23 - Dec 15 $61.35, Dec 3 6:27 am $42.65, Dec 3 6:27 am $68.82, Jun 23 - Dec 15 $62.70, Dec 5 4:18 am $42.62, Dec 5 4:18 am $68.82, Jun 23 - Dec 15 $62.01, Dec 7 1:45 am $41.29, Dec 7 1:45 am $68.82, Jun 23 - Dec 15 $61.11, Dec 9 3:27 am $40.03, Dec 9 3:27 am $68.82, Jun 23 - Dec 15 $60.21, Dec 11 6:56 am $39.99, Dec 11 6:56 am $68.82, Jun 23 - Dec 15 $59.49, Dec 13 4:18 am $38.77, Dec 13 4:18 am $68.82, Jun 23 - Dec 15 $63.31, Dec 15 2:14 am $37.49, Dec 15 2:14 am $69.50, Dec 17 - Dec 21 $65.50, Dec 17 - Dec 21 $37.35, Dec 17 1:43 am $69.50, Dec 17 - Dec 21 $65.50, Dec 17 - Dec 21 $42.65, Dec 21 10:09 pm $69.14, Jan 10 - Jan 12 $62.55, Jan 10 - Jan 12 $40.02, Jan 10 8:46 pm $69.14, Jan 10 - Jan 12 $62.55, Jan 10 - Jan 12 $38.83, Jan 12 4:08 am $68.79, Jan 13 - Jan 18 $62.08, Jan 13 4:22 pm $38.82, Jan 13 4:22 pm $68.79, Jan 13 - Jan 18 $62.55, Jan 15 - Jan 26 $37.62, Jan 15 - Feb 24 $68.44, Jan 19 - Jan 26 $62.55, Jan 15 - Jan 26 $37.62, Jan 15 - Feb 24 $68.10, Jan 27 - Feb 2 $58.11, Jan 27 8:39 pm $37.62, Jan 15 - Feb 24 $68.10, Jan 27 - Feb 2 $58.46, Jan 29 12:56 pm $37.62, Jan 15 - Feb 24 $68.10, Jan 27 - Feb 2 $58.11, Jan 31 - Feb 2 $37.62, Jan 15 - Feb 24 $67.75, Feb 3 - Apr 6 $58.46, Feb 3 11:31 pm $37.62, Jan 15 - Feb 24 $67.75, Feb 3 - Apr 6 $58.80, Feb 5 4:52 pm $37.62, Jan 15 - Feb 24 $67.75, Feb 3 - Apr 6 $59.14, Feb 7 11:29 am $37.62, Jan 15 - Feb 24 $67.75, Feb 3 - Apr 6 $58.94, Feb 9 7:08 am $37.62, Jan 15 - Feb 24 $67.75, Feb 3 - Apr 6 $58.80, Feb 11 - Feb 12 $37.62, Jan 15 - Feb 24 $67.75, Feb 3 - Apr 6 $59.14, Feb 14 5:41 pm $37.62, Jan 15 - Feb 24 $67.75, Feb 3 - Apr 6 $59.48, Feb 16 2:01 pm $37.62, Jan 15 - Feb 24 $67.75, Feb 3 - Apr 6 $59.14, Feb 18 - Feb 24 $37.62, Jan 15 - Feb 24 $67.75, Feb 3 - Apr 6 $59.83, Feb 26 3:59 am $29.99, Feb 26 3:59 am $67.75, Feb 3 - Apr 6 $59.48, Feb 28 - Mar 2 $29.45, Feb 28 1:52 am $67.75, Feb 3 - Apr 6 $59.48, Feb 28 - Mar 2 $24.98, Mar 2 - Mar 19 $67.75, Feb 3 - Apr 6 $59.27, Mar 4 4:21 pm $24.98, Mar 2 - Mar 19 $67.75, Feb 3 - Apr 6 $59.06, Mar 5 - Mar 7 $24.98, Mar 2 - Mar 19 $67.75, Feb 3 - Apr 6 $58.64, Mar 9 - Mar 12 $24.98, Mar 2 - Mar 19 $67.75, Feb 3 - Apr 6 $58.43, Mar 14 1:46 pm $24.98, Mar 2 - Mar 19 $67.75, Feb 3 - Apr 6 $58.01, Mar 17 10:37 am $24.98, Mar 2 - Mar 19 $67.75, Feb 3 - Apr 6 $57.59, Mar 19 5:41 pm $24.98, Mar 2 - Mar 19 $67.75, Feb 3 - Apr 6 $57.38, Mar 21 - Mar 24 $19.98, Mar 21 - Mar 24 $67.75, Feb 3 - Apr 6 $57.72, Mar 26 - Mar 28 $19.99, Mar 26 - Mar 31 $67.75, Feb 3 - Apr 6 $57.51, Mar 31 6:56 am $19.99, Mar 26 - Mar 31 $67.75, Feb 3 - Apr 6 $57.38, Apr 2 - Apr 6 $24.98, Apr 2 - Apr 23 $67.41, Apr 9 - Apr 15 $60.56, Apr 9 2:26 pm $24.98, Apr 2 - Apr 23 $67.41, Apr 9 - Apr 15 $59.84, Apr 12 - Apr 15 $24.98, Apr 2 - Apr 23 $67.15, Apr 17 - Apr 23 $60.92, Apr 17 - Apr 23 $24.98, Apr 2 - Apr 23 $67.15, Apr 26 - Jul 25 $61.64, Apr 26 9:34 am $24.98, Apr 26 - Jul 10 $67.15, Apr 26 - Jul 25 $62.36, Apr 29 - May 4 $24.98, Apr 26 - Jul 10 $67.15, Apr 26 - Jul 25 $62.00, May 8 2:54 am $24.98, Apr 26 - Jul 10 $67.15, Apr 26 - Jul 25 $62.55, May 11 2:58 pm $24.98, Apr 26 - Jul 10 $67.15, Apr 26 - Jul 25 $62.35, May 14 - Jun 13 $24.98, Apr 26 - Jul 10 $67.15, Apr 26 - Jul 25 $61.93, Jun 17 - Jun 21 $24.98, Apr 26 - Jul 10 $67.15, Apr 26 - Jul 25 $61.72, Jun 25 - Jun 29 $24.98, Apr 26 - Jul 10 $67.15, Apr 26 - Jul 25 $61.51, Jul 3 - Jul 14 $24.98, Apr 26 - Jul 10 $67.15, Apr 26 - Jul 25 $61.51, Jul 3 - Jul 14 $24.97, Jul 14 - Jul 18 $67.15, Apr 26 - Jul 25 $61.24, Jul 18 3:24 am $24.97, Jul 14 - Jul 18 $67.15, Apr 26 - Jul 25 $32.58, Jul 21 7:26 pm $24.85, Jul 21 7:26 pm $67.15, Apr 26 - Jul 25 $61.30, Jul 25 9:37 am $24.49, Jul 25 9:37 am $66.81, Jul 28 11:04 pm $60.84, Jul 28 11:04 pm $24.28, Jul 28 11:04 pm $66.47, Aug 1 - Aug 5 $59.25, Aug 1 1:07 pm $23.89, Aug 1 1:07 pm $66.47, Aug 1 - Aug 5 $57.59, Aug 5 4:18 am $23.48, Aug 5 4:18 am $66.13, Aug 8 - Aug 12 $55.85, Aug 8 10:17 pm $22.80, Aug 8 10:17 pm $66.13, Aug 8 - Aug 12 $54.05, Aug 12 5:16 pm $22.17, Aug 12 5:16 pm $65.79, Aug 16 - Aug 20 $52.21, Aug 16 11:00 am $21.52, Aug 16 11:00 am $65.79, Aug 16 - Aug 20 $50.39, Aug 20 5:36 am $21.09, Aug 20 5:36 am $65.46, Aug 23 - Aug 27 $48.32, Aug 23 11:13 pm $20.48, Aug 23 11:13 pm $65.46, Aug 23 - Aug 27 $46.87, Aug 27 6:40 pm $20.32, Aug 27 6:40 pm $65.13, Aug 31 - Sep 16 $45.44, Aug 31 11:54 am $24.96, Aug 31 11:54 am $65.13, Aug 31 - Sep 16 $44.06, Sep 4 8:42 am $24.88, Sep 4 8:42 am $65.13, Aug 31 - Sep 16 $42.11, Sep 8 6:39 am $24.87, Sep 8 6:39 am $65.13, Aug 31 - Sep 16 $44.63, Sep 12 3:43 am $24.80, Sep 12 3:43 am $65.13, Aug 31 - Sep 16 $43.51, Sep 16 1:00 am $21.00, Sep 16 1:00 am $61.87, Sep 19 - Sep 23 $41.87, Sep 19 9:37 pm $20.00, Sep 19 - Sep 23 $61.87, Sep 19 - Sep 23 $57.82, Sep 23 8:12 pm $20.00, Sep 19 - Sep 23 $58.77, Sep 27 5:52 pm $54.52, Sep 27 5:52 pm $15.00, Sep 27 5:52 pm $57.83, Oct 1 - Oct 29 $53.78, Oct 1 6:15 pm $13.97, Oct 1 6:15 pm $57.83, Oct 1 - Oct 29 $49.37, Oct 5 8:37 pm $13.84, Oct 5 8:37 pm $57.83, Oct 1 - Oct 29 $52.83, Oct 10 12:08 am $12.75, Oct 10 - Nov 6 $57.83, Oct 1 - Oct 29 $53.48, Oct 14 12:01 am $12.75, Oct 10 - Nov 6 $57.83, Oct 1 - Oct 29 $53.66, Oct 17 8:59 pm $12.75, Oct 10 - Nov 6 $57.83, Oct 1 - Oct 29 $53.16, Oct 21 6:43 pm $12.75, Oct 10 - Nov 6 $57.83, Oct 1 - Oct 29 $52.80, Oct 25 2:51 pm $12.75, Oct 10 - Nov 6 $57.83, Oct 1 - Oct 29 $53.15, Oct 29 1:35 pm $12.75, Oct 10 - Nov 6 $77.95, Nov 2 - Nov 19 $57.06, Nov 2 1:13 pm $12.75, Oct 10 - Nov 6 $77.95, Nov 2 - Nov 19 $62.33, Nov 6 4:28 pm $12.75, Oct 10 - Nov 6 $77.95, Nov 2 - Nov 19 $61.60, Nov 10 7:03 pm $22.34, Nov 10 7:03 pm $77.95, Nov 2 - Nov 19 $59.26, Nov 14 10:34 pm $21.20, Nov 14 10:34 pm $77.95, Nov 2 - Nov 19 $62.33, Nov 19 7:35 am $24.97, Nov 19 7:35 am $74.04, Nov 23 - Nov 28 $62.25, Nov 23 5:21 pm $24.83, Nov 23 5:21 pm $74.04, Nov 23 - Nov 28 $59.58, Nov 28 8:05 am $24.63, Nov 28 8:05 am $70.34, Dec 3 - Dec 23 $56.61, Dec 3 4:59 am $24.44, Dec 3 4:59 am $70.34, Dec 3 - Dec 23 $62.16, Dec 8 2:34 am $24.26, Dec 8 2:34 am $70.34, Dec 3 - Dec 23 $62.52, Dec 13 4:42 am $24.09, Dec 13 4:42 am $70.34, Dec 3 - Dec 23 $61.80, Dec 18 7:36 am $23.89, Dec 18 7:36 am $70.34, Dec 3 - Dec 23 $61.44, Dec 23 - Dec 28 $23.70, Dec 23 4:04 am $66.82, Dec 28 8:10 am $61.44, Dec 23 - Dec 28 $23.53, Dec 28 8:10 am $63.48, Jan 2 2:59 am $59.48, Jan 2 2:59 am $23.40, Jan 2 2:59 am $60.30, Jan 7 - Jan 11 $56.30, Jan 7 - Jan 11 $23.32, Jan 7 12:03 am $60.30, Jan 7 - Jan 11 $56.30, Jan 7 - Jan 11 $23.18, Jan 11 10:20 pm $57.83, Jan 16 - Feb 16 $53.83, Jan 16 - Jan 21 $22.95, Jan 16 9:14 pm $57.83, Jan 16 - Feb 16 $53.83, Jan 16 - Jan 21 $22.58, Jan 21 9:50 pm $57.83, Jan 16 - Feb 16 $53.82, Jan 27 12:09 am $22.20, Jan 27 12:09 am $57.83, Jan 16 - Feb 16 $50.85, Jan 31 10:52 pm $21.86, Jan 31 10:52 pm $57.83, Jan 16 - Feb 16 $53.83, Feb 6 - Feb 11 $21.48, Feb 6 2:41 am $57.83, Jan 16 - Feb 16 $53.83, Feb 6 - Feb 11 $20.97, Feb 11 5:15 am $57.83, Jan 16 - Feb 16 $53.82, Feb 16 1:48 pm $20.44, Feb 16 1:48 pm $79.95, Feb 22 - Mar 22 $63.11, Feb 22 2:19 am $20.04, Feb 22 2:19 am $79.95, Feb 22 - Mar 22 $62.01, Feb 27 11:22 am $19.75, Feb 27 11:22 am $79.95, Feb 22 - Mar 22 $61.47, Mar 10 9:34 am $25.85, Mar 10 9:34 am $79.95, Feb 22 - Mar 22 $60.97, Mar 22 6:40 am $20.83, Mar 22 6:40 am $60.41, Apr 2 - Apr 14 $56.41, Apr 2 - Apr 14 $21.86, Apr 2 7:06 pm $60.41, Apr 2 - Apr 14 $56.41, Apr 2 - Apr 14 $22.10, Apr 14 9:23 am
106,342 2,309,299
1,562,500
781,250
Oct
Dec
Feb
Apr
Jun
Aug
Oct
Dec
Feb
Apr
Jun
2015
2016
Price Details
New
Last Seen
$60.41 Apr 14, '16
Highest
$79.95 Feb 22, '16
Lowest
$57.83 Jan 16, '16
Average
$72.40 (30d avg) $68.33 (90d avg) $68.49 (180d avg) $67.00 (365d avg) $67.46 (Lifetime average)
Added
Apr 25, 2014
3rd Party New
Last Seen
$56.41 Apr 14, '16
Highest
$68.82 Oct 30, '14
Lowest
$8.41 Jun 12, '14
Average
$58.68 (30d avg) $57.61 (90d avg) $58.29 (180d avg) $57.35 (365d avg) $57.46 (Lifetime average)
Added
Apr 25, 2014
3rd Party Used
Last Seen
$22.10 Apr 14, '16
Highest
$64.10 May 23, '14
Lowest
$12.60 Dec 1, '14
Average
$21.35 (30d avg) $21.82 (90d avg) $21.30 (180d avg) $22.14 (365d avg) $27.67 (Lifetime average)
Added
Apr 25, 2014
Sales Rank
30 day average: 1,128,315 90 day average: 1,367,273
Product Description
A SCADA system gathers information, such as where a leak on a pipeline has occurred, transfers the information back to a central site, alerting the home station that the leak has occurred, carrying out necessary analysis and control, such as determining if the leak is critical, and displaying the information in a logical and organized fashion. SCADA systems can be relatively simple, such as one that monitors environmental conditions of a small office building, or incredibly complex, such as a system that monitors all the activity in a nuclear power plant or the activity of a municipal water system.
An engineer's introduction to Supervisory Control and Data Acquisition (SCADA) systems and their application in monitoring and controlling equipment and industrial plant
Essential reading for data acquisition and control professionals in plant engineering, manufacturing, telecommunications, water and waste control, energy, oil and gas refining and transportation
Provides the knowledge to analyse, specify and debug SCADA systems, covering the fundamentals of hardware, software and the communications systems that connect SCADA operator stations
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