Dwyer Instruments SERIES ULF Catalog Page

4-23/32

[120.00]

2-7/16

[62.00]

1-3/16

[30.00]

2-23/64

[60.00]

UTC

ULTRASONIC THICKNESS GAUGE

SELECT

VEL.

CAL.

mm
inch

Series

4-7/32

[107.0]

2˝ NPT
OR 2˝ BSP

2-5/32

[55.0]

2-9/16

[65.0]

1 [25.1]

7-5/8

[194.0]

13/32
[10.0]

35°

1/2˝ NPT CONDUIT OPENING
[ULF-XX-XXN]

1-3/16
[30.0]

1-15/32

[37.0]

3-3/4

[95.0]

PG9 CABLE GLAND
[ULF-XX-XXL]

ULF

FLOW

Ultrasonic Flow Transmitter

Integrated LCD Display, Non-Contact Level Sensing for Open Channel Flow

Flow Transmitters,

Ultrasonic

The Series ULF is an ultrasonic continuous flow measurement transmitter perfect for

maintenance free, non-contact measurement of open channels. This series operates on
ultrasonic technology and offers dependable, highly accurate measurements. The ULF
features easy programming with a 4 digit LCD screen and a simple menu format. It is
perfect for direct installation over flumes and weirs and compensates for virtually all
environmental conditions such as vapors, gases, temperature variations, and wind. The
weatherproof NEMA 4 body makes this unit ideal for any flow measurement situation.

FEATURES

• High accuracy (0.25% of max. range)

• Automatic ambient temperature compensation

• ABS & UV resistant body

• Programmed with standard weir and flume sizes

Model
ULF-01-KFN
ULF-02-KFN

Description

Ultrasonic Flow Transmitter Short Range
Ultrasonic Flow Transmitter Standard Range

Max. Range

16.4 ft (5 m)

49.2 ft (15 m)

SPECIFICATIONS
Service: Compatible liquids.
Wetted Materials:

Sensor: Polypropylene;
Acoustic window: ECTFE.

Ranges:

ULF-X1-XXX: 0.82 to 16.4 ft
(0.25 to 5 m).
ULF-X2-XXX: 1.96 to 49.2 ft

(0.6 to 15 m).
Accuracy: 0.25% of max. range (at
20°C).

Resolution: 0.04˝ (1 mm).
Blind Zone:

ULF-X1-XXX: 0.8 ft (.25 m);

ULF-X2-XXX: 1.96 ft (0.6 m).

Beam Angle: 5° @ 3 db point.
Temperature Limits: -40 to 158°F (-40

to 70°C).

Temperature Compensation:

Automatic.
Pressure Limits: 13.5 to 30 psi (0.9 to
2 bar).

Power Requirement: 18 to 28 VDC.
Output Signal: 4 to 20 mA.
Loop Resistance: Max. 727 Ω @ 28

VDC.
Electrical Connections: Screw
terminal.
Conduit Connection: 1/2˝ NPT, cable
gland (optional).
Process Connection: 2˝ NPT, 1/2˝
BSP (optional).
Enclosure: Plastic enclosure: ABS &
UV resistant body.

Enclosure Rating: NEMA 4 (IP65).
Mounting Orientation: Vertical.
Failsafe: 3 min delay before

transmission of an error signal.

Memory: Non-volatile.
Display: 4 digit LCD.
Units: ft, m (optional).
Programming: 4 button.
Weight: 3.1 lb (1.4 kg).

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