Siemens SITRANS Probe LU240 Ultrasonic Level Transmitter for Level, Volume and Volume Flow Measurements, 2" Male NPT Connection, 4…20 mA signal, HART Protocol, Pressure range -0.2...0.5 bar, 7ML51101DD074CF3-Z-E33

Part Number : 7ML51101DD074CF3-Z-E33

Brand :
Siemens

SITRANS Probe LU240 Ultrasonic level transmitter ideal for level, volume, and volume flow measurements. It works with liquids, slurries, and bulk materials up to 12 m (40 ft).

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KWD 350.000


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Description
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Description

Siemens SITRANS Probe LU240 Ultrasonic level transmitter ideal for level, volume, and volume flow measurements. It works with liquids, slurries, and bulk materials up to 12 m (40 ft). Communications: HART (4 ... 20 mA) level, volume, volume flow Ingress protection: IP66, IP68, TYPE 4X, 6 Measurement range/ wetted parts: 200 ... 6000 mm (7.87 ... 236.22 inch), PVDF Copolymer Process connection: 2" NPT [(Taper), ASME B1.20.1] . Non wetted parts: Plastic (PBT/PC material) Enclosure,Type of protection : Atex/IEC Ex Ex I (ia) CSA/FM (Class 1, Div 1/Zone 0) IS / FM NI (Class 1, Div 2) Electrical connections/ cable entries: 2 x M20 x 1.5 (one general purpose Polyamide cable gland and one Polyamide blocking plug provided) Local HMI: With display (clear lid of PC material, Approvals: NEPSI, IECEx - Ex ia IIC T4 Ga. The ultrasonic level transmitter for all level, volume and volume flow demands and every challenging environment.

Key Features

• Non-Contact Ultrasonic Technology: Ensures accurate level measurement without direct contact with the medium.

• Compact and Rugged Design: Suitable for harsh industrial environments with IP68 protection.

• Plug-and-Play Configuration: Easy installation with minimal setup time and effort.

• Wide Application Range: Ideal for liquids, slurries, and solids in tanks and open channels.

• Advanced Signal Processing: Reduces false echoes and enhances measurement reliability.

• Integrated Display: Provides local readout and user-friendly interface for configuration.

• HART Communication: Enables seamless integration with existing control systems.

Applications

• Water and wastewater treatment plants

• Chemical storage and processing tanks

• Food and beverage production facilities

• Open channel flow monitoring

• Level measurement in slurries and solids

• Industrial storage silos and vessels

• Remote and hard-to-access level measurement points

Benefits

• Non-contact measurement reduces maintenance and wear

• Highly accurate level monitoring improves process control

• Compact design fits in tight or space-constrained areas

• Fast installation and easy configuration saves time

• Robust design ensures long-term reliability in harsh environments

• Versatile use across multiple industries and applications

• Seamless integration with existing control systems via HART communication

Downloads

Datasheet 7ML51101DD074CF3-Z-E33.pdf

pdf

Siemens SITRANS Probe LU240.pdf

pdf

Specifications

Product designation
Ultrasonic level meter
Product Series
SITRANS Probe LU240
Measuring principle
ultrasonic
Operating frequency of the sensor
54 kHz
Beam angle
10 Degree
Measuring range
0.2 m ... 6 m
Measuring temperature range
-40 °C ... 85 °C
Process Connection
male thread
Standard
Meet the requirements of an ISO or DIN Standard
ANSI B1.20.1
Nominal size
2" NPT
Material
Choose a housing material that is not corroded by the media and environment , and can withstand the temperatures and pressures. Check out our chemical resistance chart.
polyvinylidene-fluoride (PVDF)
Enclosure
Polycarbonate (PC), Polybutylene terephthalate (PBT)
Material of the sensor
Polyvinylidene fluoride (PVDF)
Material of the cable entry
polyamide (PA)
Connection technology
2-wire technology
Potential insulation
galvanic, to all inputs, to all outputs, to all supplies
Number of cable entries
2
Design of the cable entry
M20 x 1.5
Number of conductors of the connection cable
2
Display
with display
Design of the display
alphanumeric, LCD
Number of digits of the display
5
Operating controls
Pushbutton
Number of controls
4
Type of power supply
External
Voltage type
DC
Nominal voltage, DC
24 V
Supply voltage, DC
10.5 V ... 30 V
Communication Protocol
HART
Protocol version
Version 7
Programming
SIMATIC PDM Software
Explosion protection
Ex-marking (IECEx & ATEX) Ex ia IIC...T4 Ga
Number of outputs
1
Signal Range
4 ... 20 mA
Failure signal (minimum)
3.55 mA
Failure signal (maximum)
22.8 mA
Degree Of Pollution
Pollution degree 4
Standard for the degree of pollution
IEC 61010-1
Overvoltage class
Installation category I
Standard for the overvoltage class
IEC 61010-1
Operating pressure, relative
-0.2 bar ... 0.5 bar
Installation altitude MSL (maximum)
5,000 m
Relative humidity during operation
0 ... 100
IP Rating
IP66, IP68
Standard for EMC
IEC 61326-1, EN 55011
Design of the device
compact version, sensor integrated
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