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Technical documents and specifications for this product.
Siemens LVL 100
SITRANS LVL100 is a compact vibrating point level switch designed for material detection in liquid and slurry applications such as overflow, high, low, and demand applications, as well as pump protection. Its small size makes it ideal for use in confined spaces.
SITRANS LVL100 is a compact level switch designed for industrial use in all areas of process technology and can be used for material detection with liquids and slurries. With an insertion length of only 40 mm (1.57 inch), SITRANS LVL100 can be mounted in small pipes and confined space applications. It is virtually unaffected by the chemical and physical properties of the liquid. The LVL100 can be used in difficult conditions including turbulence, air bubbles, foam generation, build-up, or external vibration.
The tuning fork is piezoelectrically energised and vibrates at a mechanical resonance frequency of approximately 1100 Hz. The vibration frequency changes when the tuning fork is covered by the medium. This change is detected by the integrated oscillator and converted into a switching command. The integrated electronics evaluate the level signal and output a switching signal to connected devices.
Key Applications: for use in liquids and slurries, for level measurement, overflow, and dry run protection.
| Specification | Value |
|---|---|
| Mode of operation | Vibrating point level switch |
| Measuring principle | High and low and demand |
| Output options | Contactless electronic switch Transistor output PNP |
| Measuring accuracy - Hysteresis | Approx. 2 mm (0.08 inch) with vertical installation |
| Switching delay | Approx. 500 ms (on/off) |
| Frequency | Approx. 1100 Hz |
| Rated operating conditions - Location | Indoor/outdoor |
| Ambient conditions - Ambient temperature | ‑40 ... +70 °C (‑40 ... +158 °F) |
| Ambient conditions - Storage temperature | ‑40 … +80 °C (‑40 … +176 °F) |
| Ambient conditions - Installation category | III |
| Ambient conditions - Pollution degree | 2 |
| Medium conditions - Temperature | Standard: -40 ... +100 °C (-40 ... +212 °F) High temperature option: -40 ... +150 °C (-40 ... +302 °F) |
| Medium conditions - Pressure (vessel) | -1 ... 64 bar g (-14.5 ... 928 psi g) |
| Medium conditions - Density | 0.7 ... 2.5 g/cm³ (0.025 ... 0.09 lb/in³) |
| Design - Enclosure | 316L and Plastic PEI |
| Design - Tuning fork | 316L (1.4404 or 1.4435) |
| Design - Process connection (threaded) | 316L (1.4404 or 1.4435) |
| Design - Process seal | Klingersil C-4400 |
| Design - Process connection - Pipe thread, cylindrical (ISO 228 T1) | G ½" A, G ¾" A, or G 1" A |
| Design - Process connection - Pipe thread, tapered | ½" NPT, ¾" NPT, or 1" NPT |
| Design - Process connection - Hygienic fittings | Bolting DN 40 PN 40 Tri-clamp 1", 1½", 2" PN 10 |
| Design - Degree of protection | IP65/Type 4/NEMA 4 (with DIN 43650 valve plug), IP66/67 or IP68 (with M12 connector) |
| Design - Conduit entry | 1 x M12 [IP66/IP67 or IP68 (0.2 bar)] |
| Design - Weight (housing) | 250 g (9 oz) |
| Power supply - Supply voltage | 20 ... 253 V AC, 50/60 Hz 20 ... 253 V DC |
| Power supply - Power consumption | Max. 0.5 W |
| Certificates and approvals | Overfill protection (WHG) Marine approvals (ABS, CCS, DNV-GL, LR, RINA) |
