GF Signet 2270 User Manual

2270 Ultrasonic Level Sensor

Features

• 2 wire compact sensor

• Non-contact level measuring

• Narrow 5° beam angle

• Compact housing

• Fully temperature compensated electronics

• Outstanding signal processing software
providing highly accurate measuring results

• PP or PVDF sensor body provides best
chemical resistance

• Secondary lightning protection

The type 2270 is a rugged, high performance ultrasonic
level measurement sensor, having transducer and
processing electronics incorporated in one single
housing. It provides all the sophisticated echo detection
features of the well accepted 2260 Ultrasonic Level
Transmitters.

For single and multiple tank applications 2-wire
sensors are recommended using either HART protocol
or 4 to 20 mA for the direct communication with a
panel mount controller or a PLC.

Either for liquid level measurement in sumps or tanks,
for tank contents measurement, or open channel flow
measurement, the 2270 Level Sensors provide the
answer. Sensing ranges up to 6 m are available. PP and
PVDF sensor bodies provide best chemical resistance
in applications where concentrated chemical shall be
detected.

• 4 to 20 mA / HART interface

Applications

• River water

• Seawater

• Potable water

• Demineralized water

• Treated water

Specifications (Type 2270-X-XX-4)

General

Range 0.2 to 4 m / 0.65 to 13 ft
Total Beam Angle 6°
Measuring Frequency 80 kHz
Accuracy * ± (0.2 % of measured distance plus 0.05 % of range)
Resolution

Environmental

Process Temperature –30 °C to +90 °C
Ambient Temperature –30 °C to +80 °C
Process Pressure (absolute) 0.05 to 0.3 MPa (0.5 to 3 bar)

Enclosure

Enclosure and Sensor Material PP or PVDF
Cable Material Cable sealing: EPDM, cable isolation: PVC
Ingress Protection IP 68 / NEMA 6P
Process Connection 1½" BSP / NPT
Sealing

PP sensor EPDM
PVDF sensor FPM (Viton)

Electrical

Outputs
Power Supply DC 12 to 36 V
Power Consumption max. 720 mW, overload protected
Connecting 6 x 0,5 mm
Electric shock protection Class III, low voltage

<2 m: 1 mm, 2 to 4 m: 2 mm

2-wire 4–20 mA , max.600 Ohm; HART interface, Rt >/= 250 Ohm

2

shielded cable; Ø 6 mm x 5 m (30 m max.)

* Under optimal circumstances of reflection and stabilized transducer temperature

Dimensions

1” BSP

22
16

~199

Ø96

1½” BSP or NPT

BSP: 1.5, NPT:22

60

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