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SITRANS Flow Measurement

SITRANS L - Open-Channel Flow Measurement

Providing reliable solutions for continuous monitoring of wet wells, flumes, and weirs.

Open channel flow with SITRANS L

With an option of either radar or ultrasonic transmitters, our SITRANS L portfolio offers you the technology that works best for you. Paired with one of our controllers featuring Process Intelligence, you get a complete solution for monitoring your open channel flow application.

SITRANS LT500

The next evolution of level, flow, and pump controllers for radar and ultrasonic transmitters and transducers - or any other 2-wire 4-20 mA device.

Basic level control to complex pumping routines for a range of technologies including 80 GHz radar, ultrasonics, and any two-wire 4-20 mA devices – SITRANS LT500 is the next evolution of level, flow, and pump controllers for radar and ultrasonic transmitters, transducers – or any 2-wire 4-20 mA device. It is the first choice for any level controller application and features single and dual point measurements, 6 relays, and Modbus RTU, HART, PROFIBUS DP, PROFIBUS PA, PROFINET
Environmental compliance

Controlling your application keeps you operating within local legislation. From basic level monitoring to complex pumping routines, protect the environment while keeping accurate records of your process.

  • Onboard datalogging ensures reliable data backup.
  • Hight-accuracyflow measurements meet ISO standards and MCERTS approved.
  • Adherence to strict regional regulatory compliance.
  • Easy retrofit of older equipment to provide a new choice of inputs.
Reduced carbon footprint

Control over your systems brings savings.

  • Avoid peak energy hours: schedule your pumps before high-demand periods and save money.
  • Connectivity and reliable level measurement reduces site visits and CO2 emissions.
  • Programmable features – grease ring reduction, pump runtime and alternating pumps – reduces maintenance.

 

Safety first

Installation of a controller protects your most valuable assets.

  • Reduce personnel access to vessel tops or confined spaces.
  • High-level alarms and backup level override help prevent overflow of hazardous materials.
  • Simple push-button configuration from the safety of the controller.
  • User-configurable passwords protect access.
  • Backup control to the PLC.
  •  Isolated wiring compartment.
 
Process optimisation for better business

Digitalisation ready for connection to the cloud, IIoT, or networks using standard industry protocols and onboard datalogging for events, totalizers, pumps, and more. Everything at your fingertips or just a touch away.

Trust the proven

40+ years of controller experience backed by more than 170 years of Siemens’ innovative engineering experience and millions of installed process instruments in the field.

SITRANS LR100 Series Radar

80 GHz radar level transmitters with Bluetooth wireless technology.

SITRANS LR100 series are 80 GHz compact radar transmitters with Bluetooth wireless technology for level measurement of liquids or solids. Featuring a narrow beam for flexible installations, they are ideal for open channel flow applications.

Key Features

  • Easy Bluetooth® wireless technology for easy and quick setup with Siemens SITRANS mobile IQ App
  • 80 GHz narrow beam and small size allows for the easiest installation and commissioning
  • Custom radar microchip means signal killer conditions like condensation, buildup or fluffy solids are no match for the extreme sensitivity of the microchip, the weakest signals are still detected
  • Zero blanking zone allows measurement range right up to the sensor and with an accuracy of 2 mm you can get rid of costly manual measurement methods
  • Digitalization and Industry 4.0 ready with HART 7.0 or optional Modbus RTU for intelligent, value adding data locally or to the cloud

 

Supplementary Components are designed to work with most types of instrumentation to provide enhanced functionality such as remote displays and remote monitoring solutions. Please find more information here.

Technical Comparison

SITRANS LR100
SITRANS LR110
SITRANS LR120
SITRANS LR140
SITRANS LR150
7ML530
7ML531
7ML532
7ML533
7ML534
Basic 4-20 mA measurement to 8 m with cable
With communications, hazardous approvals options, and range to 15 m
With communications, longest range to 30 m, and optional submergence shield for flooding protection
Basic measurement to 8m with terminal connection
With HART communication, hazardous approvals, local HMI option, and range to 15m
Measuring pinciple
78-82 GHz, FMCW
78-82 GHz, FMCW
78-82 GHz, FMCW
78-82 GHz, FMCW
78-82 GHz, FMCW
Measuring range
8 m (26 ft)
15 m (49 ft)
30 m (98 ft)
8 m (26 ft)
15 m (49 ft)
Process connections
PVDF Thread 1½” and 1″
PVDF Thread 1½” and 1″
PVDF Thread 1″
PVDF Thread 1½”
PVDF Thread 1½”
Process pressure
-1 to 3 bar
-1 to 3 bar
-1 to 3 bar
-1 to 3 bar
-1 to 3 bar
Process temperature
-40 to 60 °C (-40 to 140 °F)
-40 to 80˚C (-40 to 176˚F)
-40 to 80˚C (-40 to 176˚F)
-40 to 60 °C (-40 to 140 °F)
-40 to 80˚C (-40 to 176˚F)
Accuracy
5 mm (0.2″)
2 mm (0.08″)
2 mm (0.08″)
5 mm (0.2″)
2 mm (0.08″)
Beam Angle
mA/Loop, Communications
2-wire, 4 to 20 mA
2-wire, 4 to 20 mA/
HART or 4-wire, Modbus
2-wire, 4 to 20 mA/
HART or 4-wire, Modbus
2-wire, 4 to 20 mA
2-wire, 4 to 20 mA
Ex approvals
no
Gas and dust
Gas and dust
no
Gas
Optional HMI
no
no
no
no
Yes, with Quick Start Wizard and diagnostic support
Bluetooth
yes
yes
yes
yes
yes

SITRANS LR100

For short distances with a cable

Basic 4-20mA measurement to 8 m with cable

SITRANS LR110

The first choice

With communications, hazardous approvals options, and range to 15 m

SITRANS LR120

For flooding conditions

With communications, longest range to 30 m, and optional submergence shield for flooding protection

SITRANS LR140

For short distances

Basic measurements to 8 m with terminal connection

SITRANS LR150

When you need a display

With HART communication, hazardous approvals, local HMI option, and range to 15 m

The SITRANS LR100 Advantage

Hassle-free

SITRANS mobile IQ app uses Bluetooth wireless technology eliminating the need of special commissioning tools. Compact size and narrow beam makes installation easy for level measurement of liquids, slurries or solids.

Performance when you need it

Signal-killer conditions like condensation, buildup or solids are no match for the extreme sensitivity of this transmitter with its custom-designed radar chip. The weakest signals are still detected.

Maximise inventory assets

Zero blanking distance means the measurement range is right up to the sensor. Combined with an accuracy of 2mm ensures confidence in inventory levels for your operation success.

Optimise process for better business

Ready for Digitalisation and with HART 7.0 or optional Modbus RTU. Integrate intelligent, value-adding data locally or to the cloud.

Trust the proven

Over 170 years of Siemens innovative engineering experience and millions of installed instruments in the field.

SITRANS Probe LU240 and Ultrasonic Transducers

Cost-effective, compact, intelligent ultrasonic level option.

Field-proven in more than a million applications worldwide – Siemens ultrasonic level devices can be found in nearly every market. And there’s a reason why they continue to be the industry standard for so many applications. Accuracy. Price point. Durability. Ease of use.

The Siemens Ultrasonic Advantage

Siemens ultrasonic portfolio includes transmitters and control systems. With features like auto-false echo suppression, self-cleaning face, and TVT curve shaping, Siemens ultrasonic devices give reliable readings every time. With the ability to control and monitor, these devices easily connect into your control systems and can provide critical data about your processes.

Ultrasonic and blanking distance

What’s the scoop with blanking distance using radar or ultrasonic level measurement devices? Is one better? Learn more.

Ultrasonic OCM and accuracy

Want high accuracy open channel monitoring? Use industry-leading ultrasonic technology.

Ultrasonic Self-cleaning

Nothing sticks when you have a self-cleaning face. See the power of ultrasonic level transmitters even under conditions of buildup.

Ultrasonic Integration

Both ultrasonic and radar technologies can be fully integrated into your control system in a variety of ways.

We are Siemens trusted and approved distribution partner.

As a Value Added Reseller in Siemens’ Approved Partner network, Parmley Graham is a proven supplier of a wide range of quality products in the UK and globally. 

Find out more how this will benefit you or check Siemens Configurator.

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