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บทท่ 6 การทดสอบและปรับแต่่งสมดุล
Instrumentation List-IP Units
FUNCTIONS/INSTRUMENT
TYPE
MINIMUM RANGE ACCURACY Rotation Measurement 0-523.6 rad/s ±2% of reading ±10.5 rad/s Air Temperature
Measurement
233.15 to 393.15 K ±0.28% of reading (+1.2 K) Immersion Temperature
Measurement
233.15 to 393.15 K ±0.28% of reading (+1.2 K) Contact Temperature
Measurement
233.15 to 393.15 K ±0.28% of reading (+1.2 K) Electrical Measurement
CAT III
-
True RMS
Volts AC 0 to 600 V ±2% of reading ±5 digits Amperes AC 0 to 100 A ±2% of reading ±5 digits Air Pressure Measurement 0 to 6894.76 Pa ±2% of reading ±0.069 Pa Air Velocity Measurement
Hot Wire Anemometer
OR Airfoil with Digital Meter
0.25 to 19.81 m/s
±5% of reading, not less than
±0.30 m/s
Air Velocity Measurement
Rotating Vane
0.25 to 12.70 m/s ±2% of reading ±0.12 m/s Humidity Measurement 10 to 90% RH +
3% RH Direct Reading Hood 0.047 to 0.94 m^3/s ±5% of reading ±0.0035 m^3/s Hydronic Pressure
Measurement
-20.0 to 413.69 kPa ±2% of reading ±6.89 kPa Hydronic Pressure
Measurement
0 to 689.48 kPa ±2% of reading ±6.89 kPa 0 to 1378.95 kPa ±2% of reading ±6.89 kPa Hydronic Differential
Pressure Measurement
0 to 6894.76 Pa ±2% of reading ±137.90 Pa 0 to 20000 Pa ±2% of reading ±13.79 Pa  รููปที่่ 6.7.2 NEBB Instrumentation List
 190 
RESOLUTION
6.28 rad/s 0.11 K 0.11 K 0.11 K 1.0 V
0.1 A
6.89-6894 Pa 6.89-6894 Pa
0.30 m/s 0.30 m/s 1.00% Digital: 1 m^3/s Analog: N/A
3.45 kPa 6.89 kPa 17.24 kPa
68.95 Pa 30.48 Pa
ภาคที่
2
CALIBRATION
INTERVAL
12 Months
12 Months
12 Months
12 Months
12 Months
12 Months
12 Months
12 Months
12 Months
12 Months
12 Months
12 Months
12 Months