See table below for the ranges, resolutions and accuracies of all the sensors available for the FKT meter. All speeds were calculated with an air density of 1.2kg/m3 and with a probe of unity coefficient (K=1.0). Units of inH2O are defined at 16°C (60°F).
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0.25 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±0.0622 kPa |
0.0001 kPa |
±0.0001 kPa |
|
±0.2500 inH₂O |
0.0001 inH₂O |
±0.0006 inH₂O |
|
±0.467 mmHg |
0.001 mmHg |
±0.001 mmHg |
|
±0.00902 psi |
0.00001 psi |
±0.00002 psi |
|
±0.01837 inHg |
0.00001 inHg |
±0.00004 inHg |
|
0.75 to 10.18 m/sec |
0.01 m/sec |
±0.15 to ±0.03 m/sec |
|
2.46 to 33.4 ft/sec |
0.01 ft/sec |
±0.5 to ±0.09 ft/sec |
|
148 to 2004 ft/min |
1 ft/min |
±30 to ±5 ft/min |
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|
0.5 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±0.1244 kPa |
0.0001 kPa |
±0.0003 kPa |
|
±0.500 inH₂O |
0.001 inH₂O |
±0.001 inH₂O |
|
±0.933 mmHg |
0.001 mmHg |
±0.002 mmHg |
|
±0.01805 psi |
0.00001 psi |
±0.00004 psi |
|
±0.03674 inHg |
0.00001 inHg |
±0.00008 inHg |
|
1.06 to 14.4 m/sec |
0.01 m/sec |
±0.22 to ±0.04 m/sec |
|
3.5 to 47.2 ft/sec |
0.1 ft/sec |
±0.7 to ±0.1 ft/sec |
|
209 to 2835 ft/min |
1 ft/min |
±43 to ±7 ft/min |
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|
1 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±0.2488 kPa |
0.0001 kPa |
±0.0005 kPa |
|
±1.000 inH₂O |
0.001 inH₂O |
±0.002 inH₂O |
|
±1.866 mmHg |
0.001 mmHg |
±0.004 mmHg |
|
±0.03609 psi |
0.00001 psi |
±0.00008 psi |
|
±0.0735 inHg |
0.0001 inHg |
±0.0002 inHg |
|
1.49 to 20.37 m/sec |
0.01 m/sec |
±0.31 to ±0.05 m/sec |
|
4.9 to 66.8 ft/sec |
0.1 ft/sec |
±1 to ±0.2 ft/sec |
|
290 to 4010 ft/min |
10 ft/min |
±60 to ±10 ft/min |
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|
5 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±1.244 kPa |
0.001 kPa |
±0.003 kPa |
|
±5.00 inH₂O |
0.01 inH₂O |
±0.01 inH₂O |
|
±9.33 mmHg |
0.01 mmHg |
±0.02 mmHg |
|
±0.1805 psi |
0.0001 psi |
±0.0004 psi |
|
±0.3674 inHg |
0.0001 inHg |
±0.0008 inHg |
|
3.3 to 45.5 m/sec |
0.1 m/sec |
±0.7 to ±0.1 m/sec |
|
10.8 to 149.3 ft/sec |
0.1 ft/sec |
±2.2 to ±0.4 ft/sec |
|
650 to 8960 ft/min |
10 ft/min |
±130 to ±20 ft/min |
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|
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|
12 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±2.986 kPa |
0.001 kPa |
±0.007 kPa |
|
±12.00 inH₂O |
0.01 inH₂O |
±0.03 inH₂O |
|
±22.39 mmHg |
0.01 mmHg |
±0.05 mmHg |
|
±0.433 psi |
0.001 psi |
±0.001 psi |
|
±0.882 inHg |
0.001 inHg |
±0.002 inHg |
|
5.2 to 70.6 m/sec |
0.1 m/sec |
±1.1 to ±0.2 m/sec |
|
17.1 to 231.6 ft/sec |
0.1 ft/sec |
±3.5 to ±0.6 ft/sec |
|
1020 to 13900 ft/min |
10 ft/min |
±210 to ±40 ft/min |
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|
20 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±4.98 kPa |
0.01 kPa |
±0.01 kPa |
|
±20.00 inH₂O |
0.01 inH₂O |
±0.04 inH₂O |
|
±37.32 mmHg |
0.01 mmHg |
±0.08 mmHg |
|
±0.722 psi |
0.001 psi |
±0.002 psi |
|
±1.470 inHg |
0.001 inHg |
±0.003 inHg |
|
6.7 to 91.1 m/sec |
0.1 m/sec |
±1.4 to ±0.2 m/sec |
|
22 to 298.9 ft/sec |
0.1 ft/sec |
±4.5 to ±0.8 ft/sec |
|
1320 to 17930 ft/min |
10 ft/min |
±270 to ±50 ft/min |
* Compressible flow with reduced speed accuracy for V > 100m/s (328ft/s).
** Limited range due to supersonic flow forming a shock wave on the nose of the Pitot Static tube.
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|
30 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±7.47 kPa |
0.01 kPa |
±0.02 kPa |
|
±30.00 inH₂O |
0.01 inH₂O |
±0.07 inH₂O |
|
±56.0 mmHg |
0.1 mmHg |
±0.1 mmHg |
|
±1.083 psi |
0.001 psi |
±0.002 psi |
|
±2.204 inHg |
0.001 inHg |
±0.005 inHg |
|
8.2 to 111.6 m/sec |
0.1 m/sec |
±1.7 to ±0.3 m/sec |
|
26.9 to 366.1 ft/sec |
0.1 ft/sec |
±5.5 to ±0.9 ft/sec |
|
1610 to 21970 ft/min |
10 ft/min |
±330 to ±60 ft/min |
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|
40 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±9.95 kPa |
0.01 kPa |
±0.02 kPa |
|
±40.00 inH₂O |
0.01 inH₂O |
±0.09 inH₂O |
|
±74.6 mmHg |
0.1 mmHg |
±0.2 mmHg |
|
±1.444 psi |
0.001 psi |
±0.003 psi |
|
±2.939 inHg |
0.001 inHg |
±0.006 inHg |
|
9.4 to 128.8 m/sec* |
0.1 m/sec |
±1.9 to ±0.3 m/sec |
|
31 to 423 ft/sec* |
1 ft/sec |
±6 to ±1 ft/sec |
|
1850 to 25350 ft/min* |
10 ft/min |
±380 to ±70 ft/min |
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|
60 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±14.93 kPa |
0.01 kPa |
±0.03 kPa |
|
±60.0 inH₂O |
0.1 inH₂O |
±0.1 inH₂O |
|
±112.0 mmHg |
0.1 mmHg |
±0.2 mmHg |
|
±2.165 psi |
0.001 psi |
±0.005 psi |
|
±4.41 inHg |
0.01 inHg |
±0.01 inHg |
|
11.6 to 157.8 m/sec* |
0.1 m/sec |
±2.4 to ±0.4 m/sec |
|
38 to 518 ft/sec* |
1 ft/sec |
±8 to ±1 ft/sec |
|
2280 to 31060 ft/min* |
10 ft/min |
±470 to ±80 ft/min |
* Compressible flow with reduced speed accuracy for V > 100m/s (328ft/s).
** Limited range due to supersonic flow forming a shock wave on the nose of the Pitot Static tube.
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|
130 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±32.35 kPa |
0.01 kPa |
±0.07 kPa |
|
±130.0 inH₂O |
0.1 inH₂O |
±0.3 inH₂O |
|
±242.6 mmHg |
0.1 mmHg |
±0.5 mmHg |
|
±4.69 psi |
0.01 psi |
±0.01 psi |
|
±9.55 inHg |
0.01 inHg |
±0.02 inHg |
|
17 to 195.3 m/sec** |
0.1 m/sec |
±3.5 to ±0.6 m/sec |
|
56 to 641 ft/sec** |
1 ft/sec |
±11 to ±2 ft/sec |
|
3300 to 38400 ft/min** |
100 ft/min |
±700 to ±100 ft/min |
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|
200 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±49.8 kPa |
0.1 kPa |
±0.1 kPa |
|
±200.0 inH₂O |
0.1 inH₂O |
±0.4 inH₂O |
|
±373.2 mmHg |
0.1 mmHg |
±0.8 mmHg |
|
±7.22 psi |
0.01 psi |
±0.02 psi |
|
±14.70 inHg |
0.01 inHg |
±0.03 inHg |
|
21.1 to 195.3 m/sec** |
0.1 m/sec |
±4.3 to ±0.7 m/sec |
|
69 to 641 ft/sec** |
1 ft/sec |
±14 to ±2 ft/sec |
|
4200 to 38400 ft/min** |
100 ft/min |
±900 to ±100 ft/min |
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400 inH₂O Differential Pressure / Speed Sensor |
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|
Range |
Display Resolution |
Accuracy |
|
±99.5 kPa |
0.1 kPa |
±0.2 kPa |
|
±400.0 inH₂O |
0.1 inH₂O |
±0.9 inH₂O |
|
±746 mmHg |
1 mmHg |
±2 mmHg |
|
±14.44 psi |
0.01 psi |
±0.03 psi |
|
±29.39 inHg |
0.01 inHg |
±0.06 inHg |
|
30 to 195 m/sec** |
1 m/sec |
±6 to ±1 m/sec |
|
98 to 640 ft/sec** |
1 ft/sec |
±20 to ±3 ft/sec |
|
5900 to 38400 ft/min** |
100 ft/min |
±1200 to ±200 ft/min |
* Compressible flow with reduced speed accuracy for V > 100m/s (328ft/s).
** Limited range due to supersonic flow forming a shock wave on the nose of the Pitot Static tube.
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|
15 psi Absolute Pressure Sensor (Default) |
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|
Range |
Display Resolution |
Accuracy |
|
15 to 115 kPa |
0.01 kPa |
±0.58 kPa |
|
60.3 to 462.1 inH₂O |
0.1 inH₂O |
±2.3 inH₂O |
|
112.5 to 862.4 mmHg |
0.1 mmHg |
±4.3 mmHg |
|
2.176 to 16.679 psi |
0.001 psi |
±0.083 psi |
|
4.43 to 33.96 inHg |
0.01 inHg |
±0.17 inHg |
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|
30 psi Absolute Pressure Sensor (Upgrade) |
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|
Range |
Display Resolution |
Accuracy |
|
15 to 207 kPa |
0.1 kPa |
±1 kPa |
|
60.3 to 831.9 inH₂O |
0.1 inH₂O |
±4.2 inH₂O |
|
112.5 to 1552.3 mmHg |
0.1 mmHg |
±7.8 mmHg |
|
2.18 to 30.02 psi |
0.01 psi |
±0.15 psi |
|
4.43 to 61.13 inHg |
0.01 inHg |
±0.31 inHg |
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|
Temperature Reader |
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|
Range |
Display Resolution |
Accuracy |
|
-200 to 816°C |
0.1°C |
±1°C |
|
-328 to 1500°F |
0.1°F |
±1.8°F |
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|
Relative Humidity |
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|
|
Range |
Display Resolution |
Accuracy |
|
0 to 99% |
1 % |
±2 % |
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|
Density (with 15 psi Absolute Pressure Sensor) |
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|
Range |
Display Resolution |
Accuracy |
|
0.05 to 5.48 kg/m³ |
0.01 kg/m³ |
±0.04 kg/m³ |
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|
Density (with 30 psi Absolute Pressure Sensor) |
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|
Range |
Display Resolution |
Accuracy |
|
0.05 to 9.86 kg/m³ |
0.01 kg/m³ |
±0.07 kg/m³ |