Input

Measurement

Flow by measuring the transit time difference of ultrasonic signals through ultrasonic transducers in the sensor pipes.

Supporting of 1-path or 2-path sensors in sizes DN 50 â€¦ 1200 measuring on water

Measuring rate

• Battery mode

0.5 Hz

• Mains supply

Up to 15 Hz

• Back-up mode

0.5 Hz (at mains supply drop)

Flow rate

0.02 â€¦ 9 m/s (0.065 â€¦ 29.5 ft/s), bidirectional flow metering

Outputs

2 pulse or status outputs (A and B), individual galvanically isolated MOS relay outputs, passive mode, max. ± 35 V AC/DC, max. 50 mA

Max. pulse frequency

100 Hz at Q_s (Q_max)

Pulse value and length

Selectable with the ordering of the flowmeter

Output A function

Pulse: forward, reverse, forward net, reverse net (preset: forward)

Output B function

Pulse: forward, reverse, forward net, reverse net (preset: forward)
or alarm indication or call-up indication (preset: alarm)

Pulse value A and B

0.1 l/p, 0.25 l/p, 0.5 l/p, 1 l/p, 2.5 l/p, 10 l/p, 25 l/p, 50 l/p, 100 l/p, 250 l/p, 500 l/p, 1 m³/p, 2.5 m³/p, 5 m³/p, 10 m³/p, 25 m³/p, 50 m³/p, 100 m³/p, 250 m³/p, 500 m³/p, 1 000 m³/p

Pulse length (depending on Q_max by DN selection)

5, 10, 20, 50, 100, 200, 500 ms (standard 5 ms)

Alarm indication

Path 1 (F1), path 2 (F2) internal, failure (F3, F4), powers supply warning or low battery indication (F5), Q_max overflow (F6), pulse overflow (F7, F8), internal data logger warning (F9)

Rated operation conditions

Ambient conditions

Ambient temperature

• Operation

-10 â€¦ +60 °C (14 â€¦ 140 °F) (MID version: max. +55 °C (131 °F))

• Storage

-40 â€¦ +85 °C (-40 â€¦ +185 °F) (battery included)

Enclosure rating

IP67/NEMA 4X/6 to EN 60529 and DIN 40050

Electromagnetic compatibility

• Emitted interference

To EN 55011/CISPR-11

• Immunity

To EN/IEC 61326-1 (Industry)

• MID approved (FUE380 series)

Environment class E2 and M1

Mechanical vibration

2 g, 1 â€¦ 800 Hz sinusoidal in all directions according to IEC 68-2-6

Weight of transmitter

Approx. 1.5 kg (3.3 lb)

Design

Enclosure material

Fibre-glass reinforced polyamide, light gray color

Wall mounting kit

IP67/NEMA 4X/6 terminal box for the wall mounting of the transmitter, fiber-glass reinforced polyamide with stainless steel bracket, cable glands entries: 2 x 2 M20 or PG 13.5 for power supply and outputs and 2 x M20 or PG 13.5 for the sensor cables, glands (supply and outputs and double cable entries for sensor cables) are included.

Sensor cable

Coaxial cable sets for remote transmitter up to 30 m (98.4 ft) long transducer cable, 75 Î© impedance, cables sets are prepared for the connection to the sensors

Display and controls

Display

LCD, 8 digits, additional 2 digits and symbols for status information

Resolution

Totalized information can be displayed with 1, 2 or 3 decimals or automatic adjustment (default)

Display setting

Flow unit: Preset: m³/h

Volume unit: Preset: m³

Push button

One push button for menu selection and display information

Communication (IrDA optical eye)

IrDA – optical communication and control interface with Modbus RTU protocol for read or write transmitter settings and data via PC and PDM tool

Power supply

Battery

D-cell battery pack, 3.6 V LiSOCI (Lithium Thionyl Chloride, 34 Ah), replaceable, life- and working-time up to 6 years

Mains

87 â€¦ 265 V AC (50 â€¦ 60 Hz) or

87 â€¦ 265 V AC (50 â€¦ 60 Hz) with D-cell single battery backup, 2.6 V LiSOCI (Lithium Thionyl Chloride, 17 Ah), replaceable, life time up to 8 years

Power consumption

Mains version

Approx. 2.5 VA

Standard coaxial cable (75 Î©)

Outside diameter

Ø 5.8 mm

Length

15, 30 m (49.2, 98.4 ft) between sensor and transmitter

Material (outside jacket)

Black PE

Ambient temperature

-10 â€¦ +70 °C (14 â€¦ 158 °F)

High temperature coaxial cable (75 Î©)

With special designed glands for connection in the sensor/transducer

Outside diameter

Ø 5.13 mm (first 0.3 m (0.98 ft) part to the transducer), Ø 5,8 mm (for remaining cable to the transmitter – black holt melt junction part between (Ø 16 mm, length 70 mm)

Length

Up to 30 m (98.4 ft) between sensor and transmitter

Material (outside jacket)

Brown PTFE (0.3 m (9.84 ft) part) and black PE (for remaining cable)

Ambient temperature

-200 â€¦ +200 °C (-328 â€¦ +392 °F) (brown PTFE transducer part) and
-10 â€¦ +70 °C (14 â€¦ 158 °F) (black PE for remaining transmitter cable part)