SITRANS Probe LU240

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SITRANS Probe LU240 is a versatile ultrasonic level transmitter for measuring level, volume, and volumetric flow of liquids, slurries, and bulk solids, with a measuring range up to 12 m (40 ft).

Zalo Hotline: 0961.67.69.69

Categories: Level, Transmitter, Ultrasonic Tags: Công nghiệp hóa chất, Xử lý nước, Xử lý nước thải

Description
Specifications

Key Features

Continuous level measurement with a range up to 12 m (40 ft)
Quick setup via integrated 4-button HMI or SIMATIC PDM software
Supports HART communication (on selected models); all variants offer 4–20 mA analog output
Optional Bluetooth configuration and monitoring via the SITRANS mobile IQ app (Android, iOS, Windows)
Constructed with ETFE or PVDF sensor materials, ideal for corrosive chemical environments
Integrated temperature sensor for automatic temperature compensation
Process Intelligence signal processing ensures stable and reliable performance
Auto False Echo Suppression eliminates interference from fixed obstructions
Low power startup current, suitable for limited power supply systems
High accuracy: ±0.15% of full scale or ±6 mm (for 6 m and 12 m versions)

Typical Applications

The SITRANS Probe LU240 is ideal for level monitoring in:

Chemical storage tanks
Filter beds and process vessels
Water and industrial liquid tanks
Small-scale hoppers for bulk solids
Municipal and industrial water/wastewater treatment systems

Category	Specification
Mode of Operation
Measuring principle	Ultrasonic level measurement
Typical application	Level measurement in storage vessels and simple process vessels
Inputs
Measuring range – 3 m model	0.2 … 3 m (8 inch … 10 ft)
Measuring range – 6 m model	0.2 … 6 m (8 inch … 20 ft)
Measuring range – 12 m model	0.2 … 12 m (8 inch … 40 ft)
Frequency	54 kHz
Outputs
Range	4 … 20 mA
Accuracy	± 0.0096 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 (3 m version)	10 mm (0.39 inch)
Accuracy (6/12 m versions)	• ± the greater of 0.15% of range or 6 mm (0.25 inch) from 0.25 m (0.82 ft) • ± 2 mm (0.08 inch) on ranges ≤ 4 m (13 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
Location	Indoor/outdoor
Ambient temperature – Storage	-40 … +85 °C (-40 … +185 °F)
Ambient temperature – Operating	-40 … +80 °C (-40 … +176 °F)
Humidity/Ingression protection	Suitable for outdoor use
Installation category	I
Pollution degree	4
Temperature (flange/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
Enclosure material	PBT (Polybutylene Terephthalate)
Degree of protection	Type 4X, Type 6, IP66, IP68
Weight	0.93 kg (2.1 lb)
Cable inlet	2 × M20 x 1.5 cable gland or 1 × ½” NPT thread
Transducer material	ETFE or PVDF with Buna-N seal
Process Connection
Threaded connection	• 2″ NPT (Taper), ASME B1.20.1 • R 2″ (BSPT), EN 10226 • G 2″ (BSPP), EN ISO 228-1
Flange connection	3 inch (80 mm) universal flange
Other connection	FMS 200 mounting bracket or custom-supplied mount
Display and Controls
Interface	Local: LCD display; Remote: HART or Bluetooth
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, _CCSA_US, CE, UKCA, RCM, EAC, KC, VLAREM II
Intrinsically Safe
• Europe	ATEX II 1G Ex ia IIC T4 Ga
• UK	UKEX II 1G Ex ia IIC T4 Ga
• International	IECEx SIR 18.0013X Ex ia IIC T4 Ga
• USA/Canada	FM/_CCSA_US Class I, Div. 1, Groups A–G, Class II Div. 1, Groups E–G, Class III T4
• Brazil	INMETRO Ex ia IIC T4 Ga
• China	NEPSI Ex ia IIC T4 Ga
• South Africa	SABS Ex ia IIC T4 Ga
• Russia	EAC Ex 1G Ex ia IIC T4 Ga
• Korea	KCs Ex ia IIC T4
Non-incendive – USA	FM, Class I, Div. 2, Groups A–D, T5
Metrological	MCERTS, CPA, Kazakhstan pattern approval
Radio (Bluetooth)	USA, Canada, EU, China

SITRANS Probe LU240

Key Features

Typical Applications

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