JUMO 406050, Руководство по эксплуатации

Страница: 10 / 28

10
4 Technical data
4 Technical data
4.1 Input
4.1.1 Measuring range and accuracy
4.1.2 Reference conditions
Nominal width Default settings for analog output
a,
b
Flow
max
a
DN 15 (Low-flow calibration) 0 to 30 l/min 60 l/min
DN 15 0 to 62.5 l/min 80 l/min
DN 20 0 to 105 l/min 210 l/min
DN 25 0 to 160 l/min 320 l/min
DN 32 0 to 260 l/min 520 l/min
a
Low flow cut off: 0.05 % of flow
max
.
b
Optionally expandable up to flow
max
.
X = Flow
max
(%)
Y = Measuring deviation from the
measured value ± (%)
Measuring deviation
a
Pulse output ≤ ±2.0 % of measured value ±0.1 % of flow
max
Current output Like pulse output, additionally ≤ ±0.1 % of 20 mA
Voltage output Like pulse output, additionally ≤ ±0.1 % of 10 V
Reproducibility ≤ ±0.5 % of measured value
a
±0.03 % of flow
max
Temperature drift ≤ ±0.15% of measured value
a
per 10 K temperature change (at -20 to +80° C)
Response time t
90
≤ 2 s
a
Under reference conditions.
1
2
3
4
5
6
7
8
9
10
0
0 10 20 40 60 80 100 30 50 70 90
%
%
X
Y
Measurement medium Water
Medium temperature 23 °C (73 °F) ±5 K
Ambient temperature 23 °C (73 °F) ±5 K
Medium pressure 1 to 4 bar
Meter run Horizontal installation, compliance with the required inlet and outlet sections