7.5 Measuring ranges and tolerance of pressure sensor
At the factory the devices are set to the respective highest meas-
uring range (= MB1). As small as possible measuring range must
be chosen for maximum accuracy at maximum resolution of the
output signal (
BASE SETUP of respective Mode).
Measuring ranges and tolerance (
4.00
output 0 - 10 V)
PCA 1000D
NA
[%]
EA
[%]
LA
[%]
A
[%]
H
[%]
MB [Pa]
MB1: 0...1000
+/-0.5
+/-0.5
+/-0.25
0.1
0.2
MB2: 0...500
+/-0.7
+/-0.7
+/-0.5
0.2
0.2
MB3: 0...300
+/-0.9
+/-0.9
+/-0.9
0.3
0.2
MB4: 0...200
+/-1.0
+/-1.0
+/-1.25
0.3
0.2
Temperature drift (related to the highest measuring range) Zero point: +/-0.2 %
/ 10 K,
fi
nal value: +/- 0.2 % / 10 K
MB
= Measuring range,
NA
= Zero point deviation,
EA
= Final value deviation,
LA
= Linearity deviation,
A
= Resolution,
H
= Hysteresis
Nozzle coef
fi
cient (K-Factor)
5.00
+
5.01
Maximum K-Factor depending on the measuring range of the pressure sensor
Range
[Pa]
[in.wg]
200
0.8
300
1.2
500
2.0
1000
4.0
Max.
K-Factor
US
4596
32767
3752
32767
2906
32767
2055
32500
Air volume measuring range [m
3
/h], [cfm] depends on selected
measuring range of pressure senosr [Pa], [in.wg] and selected
“
K-
Factor (US)
”
. In menu
“
INFO
”
display for
“
Range qV
”
. Maximum
measuring range in each case possible
“
K-Faktor (US)
”
Techni-
cal data.
Operating Instructions
PCA 1000D
Programming
L-BAL-E120-GB 1419 Index 002
Part.-No.
16/20