Technical Information
|
| Measuring range: |
up to 50 Nm/s, low-speed version*
up to 92.7 Nm/s, standard version*
up to 185 Nm/s, max. version*
up to 224 Nm/s, high-speed version*
* Measuring range Nm³/h for different
pipe diameters and gases, see table
measuring ranges flow
* All measured values related to DIN
1343 standard conditions 0° and 1013
mbar ex works |
Accuracy:
Accuracy class
(o. M. V. = of measured
value)
(o. F. S. = of full scale) |
± 1.5% of m.v. ± 0.3 % of f.s.
on request:
± 1.0% of m.v. ± 0.3 % of f.s. |
| Accuracy indications: |
relative to ambient temperature 22 °C
± 2 °C, system pressure 6 bar |
| Repeatability: |
0.25% of m.v. in case of correct
mounting (mounting aid, position, inlet
section) |
| Measuring principle: |
Thermal mass flow sensor |
| Response time: |
t90 < 3 s |
Operating temperature
range sensor tube/display
unit: |
-40…180 °C standard version, sensor
tube
-20…70 °C display unit
-20…120 °C for ATEX version |
Adjustment possibilities
via display, external
hand-held device PI 500,
PC Service Software,
remote diagnosis: |
Nm³/h, Nm³/min, Nl/min, l/s, ft/min,
cfm, kg/h, kg/min, inner diameter,
reference conditions ° C/° F, mbar/
hPa, zero point correction, leak flow
volume suppression, scaling analogue
output 4...20 mA, pulse/alarm, error
codes etc. |
| Outputs: |
Standard: 1 x 4…20 mA analogue
output (not electrically isolated), pulse
output, RS 485 (Modbus-RTU)
Optional: 2 x 4 ... 20 mA active,
Modbus TCP, HART, Profibus DP,
Profinet, M-Bus |
| Burden: |
< 500 Ohm |
Additional average value
calculation: |
for all parameters freely adjustable
from 1 minute up to 1 day, e. g. 1/2
hours average value, average day
value |
| Protection class: |
IP67 |
| Material: |
Die-cast aluminum housing, sensor
tube stainless steel 1.4571 |
| Operating pressure: |
16 bar, in special version 40 bar |
| Power supply: |
18…36 VDC, 5 W |
| Approval: |
ATEX II 2G Ex db IIC T4 Gb,
ATEX II 2D Ex tb IIC T90 °C, Db,
DVGW |
