Measurement of | Mass flow [kg/s (lb/min)], volume flow [l/s (gpm)], fraction [%], °Brix, density [kg/m3 (lbs/ft3)], temperature [°C (°F)] |
Current output | |
Current | 0 … 20 mA or 4 … 20 mA |
Load | < 800 ? |
Time constant | 0 … 99.9 s adjustable |
Digital output | |
Frequency | 0 … 10 kHz, 50 % duty cycle |
Time constant | 0 … 30 s adjustable |
Active | 24 V DC, 30 mA,
1 k? ? Rload ? 10 k?, short-circuit-protected |
Passive | 3 … 30 V DC, max. 110 mA,
250 ? ? Rload ? 10 k? |
Relay | |
Type | Change-over relay |
Load | 42 V/2 A peak |
Functions | Error level, error number, limit, direction |
Digital input | 11 … 30 V DC |
Functionality | Start/hold/continue batch, zero point adjust, reset totalizer 1/2, force output, freeze output |
Galvanic isolation | All inputs and outputs are galvanically isolated. Isolation voltage: - 500 V to supply
- 50 V between outputs
|
Cut-off | |
Low-flow | 0 … 9.9 % of maximum flow |
Limit function | Mass flow, volume flow, fraction, density, sensor temperature |
Totalizer | Two eight-digit counters for forward, net or reverse flow |
Display | - Background illumination with alphanumerical text, 3 ? 20 characters to indicate flow rate, totalized values, settings and faults
- Reverse flow indicated by negative sign
|
Zero point adjustment | Via keypad or remote via digital input |
Ambient temperature | |
Operation | -20 … +50 °C (-4 … +122 °F) |
Storage | -40 … +70 °C (-40 … +158 °F)
(Humidity max. 95 %) |
Communication | Add-on modules: HART, PROFIBUS PA and DP, Modbus RTU RS 485, DeviceNet, FOUNDATION Fieldbus H1 |
Enclosure 19” | |
Material | Aluminum/steel (DIN 41494) |
Rating | IP20 |
Mechanical load | 18 … 1000 Hz random, 3.17 g RMS, in all directions |
Supply voltage | |
24 V version | |
| 24 V DC/AC, 50 ... 60 Hz |
| 18 ... 30 V DC
20 ... 30 V AC |
| 6 W
IN = 250 mA, IST = 2 A (30 ms) |
230 V version | |
| 87 ... 253 V AC, 50 ... 60 Hz |
| 9 VA |
Fuse | |
230 V version | T 400 mA, T 250 V (IEC 127) - not replaceable by operator |
24 V version | T 1 A, T 250 V (IEC 127) - not replaceable by operator |
EMC performance | |
Emission | EN 55011/CISPR-11 (Class A) |
Immunity | EN/IEC 61326-1 (Industry) |
Ex approval | ATEX, EAC Ex: [Ex ia] IIC |
Maintenance | The flowmeter has a built-in error log/pending menu which should be inspected on a regular basis. |
Cable | - Max. 300 m
- C: max. 300 [pF/m];
LC/RC: max. 100 [?H/?] - The total cable capacity must be max. 200 nF.
|
Cable glands | The cable gland is available in polyamide, in dimension: PG 13.5. |
