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 … 99.9 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, flow direction |
Digital input | 11 … 30 V DC (Ri = 13.6 k?) |
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. Time constant as current output 1
- 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), max. rel. humidity 80 % at 31 °C (87.8 °F) decreasing to 50 % at 40 °C (104 °F) according to IEC/EN/UL 61010-1 |
Storage | -40 … +70 °C (-4 … +158 °F) (Humidity max. 95 %) |
Communication | Add-on modules: HART, PROFIBUS PA and DP, Modbus RTU RS 485, DeviceNet, FOUNDATION Fieldbus H1 |
Enclosure | |
Material | Fibre glass reinforced polyamide |
Rating | IP67/NEMA 6 |
Mechanical load | 18 … 1000 Hz random, 3.17 g RMS, in all directions |
Supply voltage | |
24 V version | |
| 18 … 30 V DC
20 … 30 V AC |
230 V version | |
| 87 … 253 V AC, 50 … 60 Hz |
Power consumption | |
24 V DC | 6 W |
24 V AC | 10 VA |
230 V AC | 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) |
NAMUR | Within the value limits according to "General requirements" with error criteria A in accordance with NE 21 |
Environment | |
Environmental conditions acc. to IEC/EN/UL 61010-1: | - Altitude up to 2000 m
- POLLUTION DEGREE 2
|
Maintenance | The flowmeter has a built-in error log/pending menu which should be inspected on a regular basis. |
Cable glands | Two types of cable gland are available in polyamide in the following dimensions: M20 or ?” NPT |
