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? ? R_load ? 10 k?,
short-circuit-protected

Passive

3 … 30 V DC,
max. 110 mA,
250 ? ? R_load ? 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 (R_i = 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

• Supply

18 … 30 V DC
20 … 30 V AC

230 V version

• Supply

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