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Reference Manual
00809-0100-4444, Rev AC
Appendix B: Product Specifications
January 2015
Product Specifications
Rosemount 8705-M sensor
Standard system accuracy is ±0.25% of rate ±1.0 mm/sec from 0.04 to 6 ft/s (0.01 to 2 m/s);
above 6 ft/s (2 m/s), the system has an accuracy of ±0.25% of rate ±1.5 mm/sec.
Optional high accuracy is ±0.15% of rate ±1.0 mm/sec from 0.04 to 13 ft/s (0.01 to 4 m/s);
above 13 ft/s (4 m/s), the system has an accuracy of ±0.18% of rate.
(1)
Rosemount 8711-M/L sensor
Standard system accuracy is ±0.25% of rate ±2.0 mm/sec from 0.04 to 39 ft/s (0.01 to 12 m/s).
Optional high accuracy is ±0.15% of rate ±1.0 mm/sec from 0.04 to 13 ft/s (0.01 to 4 m/s);
above 13 ft/s (4 m/s), the system has an accuracy of ±0.18% of rate.
Rosemount 8721 sensor
Standard system accuracy is ±0.5% of rate from 1 to 39 ft/s (0.3 to 12 m/s); between 0.04 and
1.0 ft/s (0.01 and 0.3 m/s), the system has an accuracy of ±0.005 ft/s (0.0015 m/s).
Optional high accuracy is ±0.25% of rate from 3 to 39 ft/s (1 to 12 m/s).
(1) For Sensor sizes greater than 12 in. (300 mm) the high accuracy is ±0.25% of rate from 3 to 39 ft/sec (1 to 12 m/sec).
0
0.5
0.5
1.01.0
1.51.5
2.02.0
2.52.5
0
3
3
(1)(1)
6 6
(2)(2)
13 13
(4)(4)
20 20
(6)(6)
27 27
(8)(8)
33 33
(10)(10)
40 40
(12)(12)
Velocity in ft/s (m/s)Velocity in ft/s (m/s)
% of Rate
0.25%0.25%
0.15%0.15%
0
0.5
0.5
1.01.0
1.51.5
2.02.0
2.52.5
0
3
3
(1)(1)
6 6
(2)(2)
13 13
(4)(4)
20 20
(6)(6)
27 27
(8)(8)
33 33
(10)(10)
40 40
(12)(12)
Velocity in ft/s (m/s)Velocity in ft/s (m/s)
% of Rate% of Rate
0.25%0.25%
0.15%0.15%
0
0.5
0.5
1.0
1.0
1.5
1.5
2.0
2.0
2.5
2.5
0
3
3
(1)
(1)
6
6
(2)
(2)
13
13
(4)
(4)
20
20
(6)
(6)
27
27
(8)
(8)
33
33
(10)
(10)
40
40
(12)
(12)
Velocity in ft/s (m/s)
Velocity in ft/s (m/s)
% of Rate
% of Rate
0.5%
0.5%
0.25%
0.25%