SIEMENS SITRANS Probe LU240 Process Instrumentation Level Measurement Continuous Ultrasonic New & Original with very competitive price

New & Original

LU240

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SIEMENS SITRANS Probe LU240 Process Instrumentation

Level Measurement Continuous Ultrasonic New & Original

Overview

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).

Benefits

Continuous level measurement up to 12 m (40 ft) range
Easy installation and simple startup
Programming using 4-button HMI or SIMATIC PDM
Communication using HART
ETFE or PVDF transducers for chemical compatibility
Process Intelligence signal processing
Auto False Echo Suppression for fixed obstruction avoidance
Low power and current startup

Application

The SITRANS Probe LU240 is ideal for level monitoring in the water and wastewater industry, chemical storage vessels, and small bulk hoppers.

The range of SITRANS Probe LU240 is 6 or 12 m (20 or 40 ft). Using Process Intelligence,

Auto False Echo Suppression for fixed obstruction avoidance, and accuracy of 0.15 % of range or 6 mm (0.25 inch), the Probe LU240 provides unmatched reliability.

The Probe LU240 offers HART communication.

The transducer on the Probe LU240 is available as ETFE or PVDF to suit the chemical conditions of your application.

As well, for applications with varying material and process temperatures, the Probe LU240 incorporates an internal temperature sensor to compensate for temperature changes.

Key Applications: chemical storage vessels, filter beds, liquid storage vessels

Technical specifications

Mode of operation
Measuring principle	Ultrasonic level measurement
Typical application	Level measurement in storage vessels and simple process vessels
Inputs
Measuring range
6 m (20 ft) model	0.2 ... 6 m (8 inch ... 20 ft)
12 m (40 ft) model	0.2 ... 12 m (8 inch ... 40 ft)
Frequency	54 kHz
Outputs
mA/HART
Range	4 ... 20 mA
Accuracy	± 0.02 mA
HART version	7
Startup current	3.6 mA
Fail-safe	Programmable as high, low, or hold (loss of echo) per NAMUR NE43
Performance
Resolution	≤ 3 mm (0.12 inch)
Accuracy	± the greater of 0.15 % of range or 6 mm (0.25 inch) [valid from 0.25 m (0.82 ft)]
Non-repeatability	≤ 3 mm (0.12 inch)
Blanking distance	0.2 m (0.66 ft)
Update time	≤ 4 s
Temperature compensation	Built-in to compensate over temperature range
Beam angle	10°
Rated operating conditions
Ambient conditions
Location	Indoor/outdoor
Ambient temperature	Storage: -40 ... +85 °C (-40 ... +185 °F) Operating: -40 ... +80 °C (-40 ... +176 °F)
Relative humidity/ingress protection	Suitable for outdoor
Installation category	I
Pollution degree	4
Medium conditions
Temperature at flange or threads	-40 ... +85 °C (-40 ... +185 °F)
Pressure (vessel)	0.5 bar g (7.25 psi g)
Display	-20 … +80 °C (-4 … +176 °F)
Design
Material (enclosure)	PBT (Polybutylene Terephthalate)
Degree of protection	Type 4X, Type 6, IP66, IP68
Weight	0.93 kg (2.1 lb)
Cable inlet	2 x M20 x 1.5 cable gland or 1 x ½" NPT thread
Material (transducer)	ETFE (Ethylene Tetrafluoroethylene) or PVDF (Polyvinylidene Fluoride) Buna-N seal
Process connection
Threaded connection	2" NPT [(Taper), ASME B1.20.1] R 2" [(BSPT), EN 10226] or G 2" [(BSPP), EN ISO 228-1]
Flange connection	3 inch (80 mm) universal flange
Other connection	FMS 200 mounting bracket (see page 4/186) or customer supplied mount
Display and Controls
Interface	Local: LCD display Remote: Available via HART
Configuration	4-button HMI
Memory	Non-volatile EEPROM, no battery required
Power supply
4 ... 20 mA/HART	10.5 ... 30 V DC
Certificates and Approvals
General	FM, CCSAUS, CE, RCM
Hazardous
Intrinsically Safe
Europe	ATEX II 1G Ex ia IIC T4 Ga
International	IECEx SIR 18.0013X Ex ia IIC T4 Ga
USA/Canada	FM/CCSAUS Class I, Div. 1, Groups A, B, C, D, Class II, Div. 1, Groups E, F, G, Class III T4
Brazil	INMETRO Ex ia IIC T4 Ga
China	NEPSI Ex ia IIC T4 Ga
South Africa	SABS Ex ia IIC Tx Ga
Non-incendive
USA	FM, Class I, Div. 2, Groups A, B, C, D Tx

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