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SITRANS P
Pressure transmitter
SITRANS LH300 Transmitter for
Hydrostatic Level
Compact Operating Instructions
7MF1575-.....-....
11/2022
A5E37897183-AD
Introduction
Safety instructions
Description
Installing/mounting
Connecting
Commissioning
Service and maintenance
Technical specifications
Dimension drawings
Product documentation
and support
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Table of Contents
Related Manuals for Siemens SITRANS P LH300
Summary of Contents for Siemens SITRANS P LH300
- Page 1 Introduction Safety instructions Description SITRANS P Installing/mounting Pressure transmitter SITRANS LH300 Transmitter for Connecting Hydrostatic Level Commissioning Compact Operating Instructions Service and maintenance Technical specifications Dimension drawings Product documentation and support 7MF1575-..-..11/2022 A5E37897183-AD...
- Page 2 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.
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Page 3: Table Of Contents
Table of contents Introduction ............................5 Purpose of this documentation .................... 5 Checking the consignment....................5 Transportation and storage ....................5 Notes on warranty ....................... 6 Safety instructions ..........................7 Prerequisites for safe use...................... 7 2.1.1 Laws and directives ......................7 2.1.2 Conformity with European directives .................. - Page 4 Table of contents Calibrating......................... 25 Clean diaphragm ....................... 25 Maintenance and repair work..................... 26 Return procedure ....................... 26 Disposal..........................27 Technical specifications ........................29 Certificates and approvals....................32 Dimension drawings ..........................33 Product documentation and support ....................35 Product documentation ..................... 35 Technical support.......................
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Page 5: Introduction
• Devices/replacement parts should be returned in their original packaging. • If the original packaging is no longer available, ensure that all shipments are properly packaged to provide sufficient protection during transport. Siemens cannot assume liability for any costs associated with transportation damages. -
Page 6: Notes On Warranty
The content reflects the technical status at the time of publishing. Siemens reserves the right to make technical changes in the course of further development. -
Page 7: Safety Instructions
Safety instructions Prerequisites for safe use This device left the factory in good working condition. In order to maintain this status and to ensure safe operation of the device, observe these instructions and all the specifications relevant to safety. Observe the information and symbols on the device. Do not remove any information or symbols from the device. -
Page 8: Conformity With Uk Directives
Note Operation under special ambient conditions We highly recommend that you contact your Siemens representative or our application department before you operate the device under special ambient conditions as can be encountered in nuclear power plants or when the device is used for research and development purposes. -
Page 9: Use In Hazardous Areas
Safety instructions 2.4 Use in hazardous areas Use in hazardous areas Qualified personnel for hazardous area applications Persons who install, connect, commission, operate, and service the device in a hazardous area must have the following specific qualifications: • They are authorized, trained or instructed in operating and maintaining devices and systems according to the safety regulations for electrical circuits, high pressures, aggressive, and hazardous media. - Page 10 Safety instructions 2.4 Use in hazardous areas SITRANS LH300 Transmitter for Hydrostatic Level Compact Operating Instructions, 11/2022, A5E37897183-AD...
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Page 11: Description
Description Application range The LH300 pressure transmitter is a submersible sensor for hydrostatic level measurement. The pressure transmitter measures the liquid levels in tanks, containers, channels and dams. The pressure transmitter is available for various measuring ranges and optionally with explosion protection. -
Page 12: Design Of The Nameplate
Description 3.4 Mode of operation Design of the nameplate ① ⑤ Article number Type of protection ② ⑥ Characteristics for hazardous area Group (gas, dust) ③ ⑦ Serial number Maximum surface temperature (temperature class) ④ ⑧ Category for operating area Group (gas) Figure 3-1 Example of a nameplate The pressure transmitter has a nameplate with the article number and other important... - Page 13 Description 3.4 Mode of operation The output voltage signal of the sensor is fed to the electronics, where it is converted into an output current signal of 4 mA to 20 mA. ④ The protective conductor connection/equipotential bonding is connected to the enclosure. SITRANS LH300 Transmitter for Hydrostatic Level Compact Operating Instructions, 11/2022, A5E37897183-AD...
- Page 14 Description 3.4 Mode of operation SITRANS LH300 Transmitter for Hydrostatic Level Compact Operating Instructions, 11/2022, A5E37897183-AD...
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Page 15: Installing/Mounting
Refer to the information in Technical specifications (Page 29). Note Material compatibility Siemens can provide you with support concerning selection of sensor components wetted by process media. However, you are responsible for the selection of components. Siemens accepts no liability for faults or failures resulting from incompatible materials. -
Page 16: Proper Mounting
Installing/mounting 4.1 Basic safety instructions 4.1.1 Proper mounting NOTICE Incorrect mounting The device can be damaged, destroyed, or its functionality impaired through improper mounting. • Before installing ensure there is no visible damage to the device. • Make sure that process connectors are clean, and suitable gaskets and glands are used. •... -
Page 17: Installation
Installing/mounting 4.2 Installation Installation ① Level ② Measurement reference height Figure 4-1 Mounting the pressure transmitter (example with protective cover made of PPE) 1. Install the pressure transmitter suspended downward on the cable. 2. To prevent measuring errors, fasten the pressure transmitter for moved process media. 3. -
Page 18: Setting Up The Measuring Points
Installing/mounting 4.4 Establishing the measuring range Setting up the measuring points ① ③ Cable box Pressure transmitter ② Anchor clamp Figure 4-2 Setting up the measuring points Establishing the measuring range Calculating the measuring range with process media with a density ≠ 1000 kg/m3 (process medium ≠... -
Page 19: Connecting
Connecting Basic safety instructions WARNING Maximum cable length exceeded for devices with type of protection "Intrinsic safety Ex i" Risk of explosion in hazardous areas. To meet the requirements of devices with intrinsic safety "Ex i" type of protection, observe the maximum permissible cable length in section Technical specifications (Page 29). - Page 20 Connecting 5.1 Basic safety instructions WARNING Lack of equipotential bonding Risk of explosion through compensating currents or ignition currents through lack of equipotential bonding. • Ensure that the device is potentially equalized. Exception: It may be permissible to omit connection of the equipotential bonding for devices with type of protection "Intrinsic safety Ex i".
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Page 21: Connecting The Device
Connecting 5.2 Connecting the device Note Improvement of interference immunity • Lay signal cables separately to cables with voltages > 60 V. • Use cable with twisted wires. • Keep the device and the cables at a distance from strong electromagnetic fields. Connecting the device Procedure ①... - Page 22 Connecting 5.2 Connecting the device Wiring diagram ① ③ Atmospheric pressure Transmitter ② ④ Vent pipe Cable box Figure 5-2 Example for applications in hazardous area SITRANS LH300 Transmitter for Hydrostatic Level Compact Operating Instructions, 11/2022, A5E37897183-AD...
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Page 23: Commissioning
Commissioning Basic safety instructions WARNING Improper commissioning in hazardous areas Device failure or risk of explosion in hazardous areas. • Do not commission the device until it has been mounted completely and connected in accordance with the information in Technical specifications (Page 29). •... - Page 24 Commissioning 6.2 Calibrating SITRANS LH300 Transmitter for Hydrostatic Level Compact Operating Instructions, 11/2022, A5E37897183-AD...
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Page 25: Service And Maintenance
WARNING Impermissible repair of explosion protected devices Risk of explosion in hazardous areas • Repair must be carried out by Siemens authorized personnel only. WARNING Use of a computer in a hazardous area If the interface to the computer is used in the hazardous area, there is a risk of explosion. -
Page 26: Maintenance And Repair Work
To return a product to Siemens, see Return to Siemens (https:// support.industry.siemens.com/cs/ww/en/sc/3098). Contact your Siemens representative to clarify if a product is repairable, and how to return it. They can also help with quick repair processing, a repair cost estimate, or a repair report/ cause of failure report. -
Page 27: Disposal
Further information about devices containing batteries can be found at: Information on battery/product return (WEEE) (https:// support.industry.siemens.com/cs/document/109479891/) Note Special disposal required The device includes components that require special disposal. • Dispose of the device properly and environmentally through a local waste disposal contractor. - Page 28 Service and maintenance 7.6 Disposal SITRANS LH300 Transmitter for Hydrostatic Level Compact Operating Instructions, 11/2022, A5E37897183-AD...
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Page 29: Technical Specifications
Technical specifications Gauge pressure input Measured variable Hydrostatic level Measuring range, max. operating Measuring range Maximum operating pressure MAWP (PS) pressure (according to 97/23/EC 0 to 0.1 bar 1.5 bar Pressure Equipment Directive) 0 to 1 mH O (0 to 3 ftH 15 mH O (45 ftH and max. - Page 30 Technical specifications Measuring accuracy (according to EN 60770-2) Reference conditions • Rising characteristic curve • Start-of-scale 0 bar • Room temperature 25 °C (77 °F) • Rated voltage 24 V DC Measurement deviation with 0.15% of full-scale value (typical) limit setting, including hystere‐ 0.3% of full-scale value (maximum) sis and for repeatability for meas‐...
- Page 31 Technical specifications Pressure transmitter construction Cable PE-HD, FEP Protective cover PPE, ETFE, stainless steel (1.4404/316L or 1.4539/904L) Sealing material FPM, EPDM (for drinking water) Electrical connection Lengths: 3, 5, 10, 15, 20, 30, 40, 50, ..., 1000 m The maximum permissible cable length for devices with type of protection "Intrinsic safety Ex i"...
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Page 32: Certificates And Approvals
Technical specifications 8.1 Certificates and approvals Certificates and approvals Certificates and approvals Drinking water (ACS) 17 ACC NY 055 Drinking water (WRAS) Available soon Drinking water (DVGW/ KTW W270) Available soon TC N RU Д-.ГА02.B.05092 Underwriters Laboratories (UL) ML File No. E344532, issued 2017-08-17 Shipbuilding Available soon •... -
Page 33: Dimension Drawings
Dimension drawings Pressure transmitter ① ④ Cable, Protective conductor connection/ sheath 8.3 mm diameter equipotential bonding ② ⑤ - (blue) Vent pipe, 1 mm diameter (inside diameter) ③ ⑥ + (brown) Protective cover with 4 x 2.5 mm diameter hole Figure 9-1 Pressure transmitter with protective cover made of PPE/ETFE, dimensions in mm ①... - Page 34 Dimension drawings Cable box ① ③ Fastening hole Screwed gland Pg 13.5 ② Vent valve Figure 9-3 Cable box, dimensions in mm (inches) Anchor clamp (0.75) Anchor clamp, dimensions in mm (inches) 48 (1.9) SITRANS LH300 Transmitter for Hydrostatic Level Compact Operating Instructions, 11/2022, A5E37897183-AD...
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Page 35: Product Documentation And Support
– "Download as html5, only PC": Open or save the manual in the HTML5 view on your PC You can also find manuals with the Mobile app at Industry Online Support (https:// support.industry.siemens.com/cs/ww/de/sc/2067). Download the app to your mobile device and scan the device QR code. Product documentation by serial number Using the PIA Life Cycle Portal, you can access the serial number-specific product information including technical specifications, spare parts, calibration data, or factory certificates. -
Page 36: Technical Support
(http:// www.siemens.com/automation/csi/service). Service & support on the Internet In addition to our technical support, Siemens offers comprehensive online services at Service & Support (http://www.siemens.com/automation/serviceandsupport). Contact If you have further questions about the device, contact your local Siemens representative at Personal Contact (http://www.automation.siemens.com/partner). -
Page 37: Index
Index Catalog Return procedure, 26 catalog sheets, 35 Certificates, 7, 35 Conformity with UK directives, 8 Correct usage, (See improper device modifications) Scope of delivery, 5 Customer Support, (Refer to Technical support) Service, 36 Service and support Internet, 36 Support, 36 Disposal, 27 Support request, 36 Downloads, 35 Technical support, 36 Hazardous area partner, 36 Laws and directives, 7 personal contact, 36... - Page 38 Index SITRANS LH300 Transmitter for Hydrostatic Level Compact Operating Instructions, 11/2022, A5E37897183-AD...