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.
4. Check the scope of delivery by comparing your order to the shipping documents for correctness and completeness. WARNING Using a damaged or incomplete device Risk of explosion in hazardous areas. ● Do not use damaged or incomplete devices. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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.
Member States relating to equip‐ 2014/34/EU ment and protective systems intended for use in potentially ex‐ plosive atmospheres. The standards applied can be found in the EC declaration of conformity for the device. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
If you need additional information not covered by these instructions, contact your local Siemens office or company representative. Note Operation under special ambient conditions...
● Connect the device with type of protection "Intrinsic safety" solely to an intrinsically safe circuit. ● Observe the specifications for the electrical data on the certificate and/or in Technical specifications (Page 27). SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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Safety instructions 2.4 Use in hazardous areas SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
The pressure transmitter has a nameplate with the article number and other important information, such as design details and technical specifications. You must also observe the information in the relevant certificate for a transmitter version for use in hazardous areas. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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 LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
Refer to the information in Technical specifications (Page 27). 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.
Damage to device if the enclosure is open or not properly closed. The type of protection specified on the nameplate or in Technical specifications (Page 27) is no longer guaranteed. ● Make sure that the device is securely closed. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
7. To ensure proper functioning, make sure that the entry openings on the protective cover of the pressure transmitter do not get soiled and that the process medium does not freeze. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
Calculating the measuring range with process media with a density ≠ 1000 kg/m3 (process medium ≠ water) p = ρ * g * h with: ρ = density of the process medium g = local gravitational acceleration h = maximum level SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
● 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". SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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● 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. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
– White (protective conductor connection/potential equalization) ① 2. Insert the ventilation pipe into the cable box. The ventilation pipe must be connected to the atmosphere. The humidity filter is used for this ③ purpose SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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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 LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
● Before commissioning take the effect on other devices in the system into account. Calibrating The pressure transmitter was calibrated to the measuring range at the manufacturer and cannot be re-calibrated. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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.
Check the item after it has been cleaned. Any devices/replacement parts returned without a decontamination declaration will be cleaned at your expense before further processing. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
Technical specifications (Page 27) 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. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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Service and maintenance 7.6 Disposal SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
● Start-of-scale 0 bar ● Room temperature 25 °C (77 °F) Measurement deviation with lim‐ 0.3% of full-scale value (typical) it setting, including hysteresis and for repeatability for measur‐ ing range SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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● Electromagnetic compatibility Interference emission and inter‐ To EN 61326-1 and EN 61326-2-3 ference immunity Process medium conditions -10 … +80 °C (-4 … +176 °F) ● Process medium temperature SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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Auxiliary power U Terminal voltage at transmitter 10 V DC … 30 V DC 10 V DC to 33 V DC Current consumption < 20 mA Reverse polarity protection SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
Pressure transmitter, dimensions in mm Cable box ① ③ Fastening hole Pg 9 cable gland, cable diameter 4 to 8 mm ② Vent valve Figure 9-2 Cable box, dimensions in mm (inches) SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
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Dimension drawings Anchor clamp (0.75) Anchor clamp, dimensions in mm (inches) 48 (1.9) SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...
In addition to our documentation, Siemens provides a comprehensive support solution at: ● Service&Support (http://www.siemens.com/automation/service&support) Personal contact If you have additional questions about the device, please contact your Siemens personal contact at: ● Partner (http://www.automation.siemens.com/partner) To find the personal contact for your product, go to "All Products and Branches" and select "Products &...
Appendix A A.2 Certificates Certificates You can find certificates on the Internet at Certificates (http://www.siemens.com/ processinstrumentation/certificates) or on an included DVD. SITRANS LH100 Transmitter for Hydrostatic Level Compact Operating Instructions, 01/2019, A5E32588610-AA...