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

Classified Ex ia, selectable as active or passive outputs. Default setting is active mode.

Current

0 … 20 mA or 4 … 20 mA

Load

< 350 ?

Time constant

0 … 99.9 s adjustable

Current characteristics

Active mode

U_o = 24 V, I_o = 82 mA,
P_o = 0.5 W, C_o = 125 nF,
L_o = 2.5 mH

Passive mode (max input from external barrier)

U_i = 30 V, I_i = 100 mA,
P_i = 0.75 W, C_i = 52 nF,
L_i = 100 ?H

Digital output

Frequency

0 … 10 kHz, 50 % duty cycle

Time constant

0.1 … 30 s adjustable

Passive

6 … 30 V DC, max. 110 mA,
1 k? ? R_load ? 10 k?

Output characteristics

Active mode

Not available

Passive mode (max input from external barrier)

U_i = 30 V, I_i = 100 mA,
P_i = 0.75 W, C_i = 52 nF,
L_i = 100 ?H

Relay

Type

Change-over relay

Load

30 V/100 mA

Functionality

Error level, error number, limit, direction

Output characteristics

U_i = 30 V, I_i = 100 mA,
P_i = 0.75 W, C_i = 0 nF, L_i = 0 mH

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

Output characteristics

U_i = 30 V, I_i = 3.45 mA,
P_i = 0.10 W, C_i = 0 nF, L_i = 0 mH

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

Empty pipe

Detection of empty sensor

Density

0 … 2.9 g/cm³

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
• 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, FOUNDATION Fieldbus H1

HART

Active mode

U_o = 6.88 V, I_o = 330 mA,
P_o = 0.57 W, C_o = 20 nF,
L_o = 100 ?H

Passive mode (max input from external barrier)

U_i = 10 V, I_i = 200 mA, P_i = 0.5 W,
C_i = 0 nF, L_i = 0 ?H

PROFIBUS PA

Active mode

Not available

Passive mode

U_i = 17.5 V, I_i = 380 mA,
P_i = 5.32 W, C_i = 5 nF, L_i = 10 ?H

FOUNDATION Fieldbus H1

Active mode

Not available

Passive mode

U_i = 17.5 V, I_i = 380 mA

Enclosure

Material

Stainless steel AISI 316/1.4435

Rating

• Compact mounted on sensor: IP67/NEMA 4X
• Remote mounted: IP65

Load

18 … 1000 Hz random, 1.14 g RMS, in all directions

Supply voltage

24 V AC

• Range

20 … 30 V AC

• Power consumption

6 VA I_N = 250 mA, I_ST = 2 A (30 ms)

• Power supply

The power supply shall be from a safety isolating transformer. Maximal cable core is 1.5 mm².

24 V DC

• Range

18 … 30 V DC

• Power consumption

6 W I_N = 250 mA, I_ST = 2 A (30 ms)

• Power supply

The power supply shall be from a safety isolating transformer. Maximal cable core is 1.5 mm².

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

Ex approval

ATEX, EAC Ex: Ex d e ib [ia Ga] IIC T4 Gb