Preamble
UM-22100H-U User manual ATEQ D520 Page 6/122
2. CHARACTERISTCS OF THE MEASUREMENT
2.1. PRESSURE DROP MEASUREMENT
RANGE L/H ACCURACY
MAXIMUM
RESOLUTION L/H
1 +/- (2,5% of the flow + 0,001 l/h) 0,001
5 +/- (2,5% of the flow + 0,005 l/h) 0,001
30 +/- (2,5% of the flow + 0,03 l/h) 0,01
80 +/- (2,5% of the flow + 0,08 l/h) 0,01
150 +/- (2,5% of the flow + 0,150 l/h) 0,1
500 +/- (2,5% of the flow + 0,5 l/h) 0,1
1500 +/- (2,5% of the flow + 1,5 l/h) 1
4000 +/- (2,5% of the flow + 4 l/h) 1
10000 +/- (2,5% of the flow + 10 l/h) 1
(20° / 1013 mbar)
2.2. TEST PRESSURE MEASUREMENT
RANGE ACCURACY
MAXIMUM
RESOLUTION
PE = 7.5 kPa
(PE < 75 mbar)
+/- (1,5% of the pressure + 0,2 hPa)
PE < 30 kPa
(PE < 0,3 bar)
+/- (1,5% of the pressure + 1 hPa)
30 kPa ≤ PE ≤ 100 kPa
(0,3 bar ≤ PE ≤ 1 bar)
+/- (1,5% of the pressure + 3 hPa)
100 kPa < PE ≤ 500 kPa
(1 bar < PE ≤ 5 bar)
+/- (1,5% of the pressure + 7.5 hPa)
0,1 % PE
2.3. MECHANICAL PRESSURE REGULATION
- 600 kPa to -10 kPa / 800 Pa to 6 kPa / 500 Pa to 14 kPa / 6 kPa to 100 kPa / 5 kPa to
210 kPa / 10 kPa to 350 kPa.