| Operating Conditions |
| Measurement medium |
Water or other conductive liquids
Minimum conductivity:20 μS/cm |
| Medium temperature |
In combination with a PVC fitting: 0 to +50°C
In combination with a PE fitting: 0 to +70°C
In combination with a PP fitting: 0 to +80°C
In combination with a stainless steel fitting:-15 to +150°C |
| Ambient temperature |
-10 to +60°C operating temperature
-20 to +60°C storage temperature |
| Tube diameter |
For diameters DN15 to DN 400.
Only in combination with fittings as per Data Sheet 406090. |
| System pressure |
In combination with a PVC or PE fitting:
 |
Minimum inlet and
outlet distances |
See illustrations on page 5/5 |
| Relative humidity |
< 80%, non-condensing |
| Enclosure protection |
IP65 |
| EMC |
EN 50081-1, EN 61000-6-2 |
| Safety |
EN 61010-1 |
| Vibration |
EN 60068-2-6 |
| Impact |
EN 60068-2-27 |
| Measuring range |
| Flow speed |
0.2 to 10 m/s |
Accuracy
(With a flow speed
of from 1 to 10 m/s
and a medium
temperature in the range
from -15 to 70°C) |
With standard K factor: ≤ ± 4% of measured value
After teach-in: ≤ ± 2% of measured value |
| Linearity |
≤ ± 1% of measured value + 0.1% of measurement range end |
| Repeatability |
≤ ± 0.25% of measured value |
| Materials |
| Housing, cover, nut |
PPA |
| Screws, seal, cable gland |
Sensor: stainless steel, EPDM, PA |
Parts in contact with
medium |
Sensor: stainless steel 1.4404/316L, FKM, PEEK
Fitting: see data sheet 406090 |
| Electrical data |
| Power supply voltage |
DC 18 to 36 V, reverse polarity protected |
| Power consumption |
≤ 220 mA |
| Output |
Current: 4 to 20 mA, three wires
Loop resistance: max. 1100 Ω at 36 V DC or max. 330 Ω at 18 V DC
Frequency pulse: 0 to 240 Hz
Clock ratio: 50%, ≤ 100 mA, protected against short circuit and reverse polarity
Relay: 3 A, 250 VAC, changeover contact
Alarm: when exceeding scale value: 22 mA or 256 Hz
Device error: 22 mA or 0 Hz |
| Cable gland |
M20 x 1.5 |
| Series terminals |
for lines with cross-section up to 0.75 mm2 |