*mydirectindustry

Catalogs
BD|SENSORS GmbH
data sheet LMK 807

data sheet LMK 807

Product catalog summary

Overview: The LMK 807 is a plastic submersible probe designed by BD SENSORS GmbH for continuous level measurement in aggressive and polluted media. It features a ceramic sensor for easy cleaning and offers various cable and elastomer materials for media compatibility.

Specifications:

Accuracy: 0.5% FSO according to IEC 60770.
Nominal Pressure: Ranges from 0 to 4 mH2O up to 0 to 100 mH2O.
Output Signals: Standard 2-wire 4 to 20 mA, with other options available on request.
Diameter: 35 mm.
Long-term Stability: Good, with ≤ ± 0.1% FSO/year.

Optional Versions:

SIL 2 (Safety Integrity Level) compliant with IEC 61508 / IEC 61511.
Customizable pressure ranges and cable/elastomer types.

Applications: Suitable for sewage, wastewater treatment, water recycling, dumpsites, and level measurement in most acids and lyes.

Technical Data:

Pressure Measurement: Nominal pressure gauge ranges from 0.4 to 10 bar, with overpressure and burst pressure specifications.
Output Signal/Supply: 2-wire 4 to 20 mA, with supply voltage requirements.
Performance: Includes accuracy, permissible load, influence effects, and response time.
Thermal Effects: Thermal error ≤ ± 0.2% FSO/10 K in a compensated range of 0 to 70 °C.
Permissible Temperatures: -25 to 80 °C for medium, electronic, environment, and storage.
Electrical Protection: Short-circuit protection and electromagnetic compatibility according to EN 61326.

Materials: Media-wetted materials include PP-HT housing, FKM/EPDM/FFKM seals, ceramics Al2O3 diaphragm, and POM-C protection cap.

Accessories: Terminal clamps available in steel or stainless steel, suitable for cables with diameters of 5.5 to 10.5 mm.

Ordering Information: Includes options for housing, diaphragm, output, seal, accuracy, electrical connection, and cable length.

Catalog excerpts

LMK 807 Plastic Probe for Aggressive Media Ceramic Sensor accuracy according to IEC 60770: 0.5 % FSO Nominal pressure The plastic submersible probe LMK 807 is designed for continuous level measurement for highly polluted and aggressive media. Basic element of the plastic submersible probe is the flush mounted ceramic sensor, which makes cleaning easier when solid parts of the medium deposit on it. Different cable and elastomer materials are available in order to achieve maximum media compatibility. 2-wire: 4 ... 20 mA others on request Special characteristics ► good long term stability easy handling SIL 2 (Safety Integrity Level) according to IEC 61508 / IEC 61511 different kinds of cables and elastomers Sewage waste water treatment water recycling dumpsite customer specific versions e. g. special pressure ranges BD SENSORS GmbH BD-Sensors-Straße 1 D - 95199 Thierstein Aggressive media level measurement in most of acids and lyes www.bdsensors.de info@bd

Open the catalog to page 1

Technical Data Input pressure range Nominal pressure gauge [bar] 0.4 Level [mH2O] 4 Overpressure [bar] 1 Burst pressure ≥ [bar] 2 Max. ambient pressure (housing): 20 bar Output signal / Supply 2-wire Performance Accuracy 1 Permissible load Influence effects Long term stability Response time 1 accuracy according to IEC 60770 – limit point adjustment (non-linearity, hysteresis, repeatability) additional external overvoltage protection unit in terminal box KL 1 or KL 2 with atmospheric pressure reference available on request PVC ( -5 … 70 °C) PUR (-25 … 70 °C) FEP 4 (-25 … 70 °C) others on request...

Open the catalog to page 2

Technical Data Accessories Terminal clamp Technical data Suitable for all probes with cable ∅ 5.5 ... 10.5 mm Material of housing standard: steel, zinc plated optionally: stainless steel 1.4301 (304) Material of clamping jaws PA (fibre-glass reinforced) and positioning clips Dimensions (mm) 174 x 45 x 32 Hook diameter 20 mm Weight Ordering type Ordering code Terminal clamp, steel, zinc plated Z100528 approx. 160 g Terminal clamp, stainless steel 1.4301 (304) Z100527 www.bdsensors.de [email protected] © 2023 BD|SENSORS GmbH – The specifications given in this document represent the state of engineering...

Open the catalog to page 3

PP-HT customer FKM EPDM FFKM customer Electrical connection PVC-cable (grey, Ø 7.4 mm) PUR-cable (black, Ø 7.4 mm) FEP-cable (black, Ø 7.4 mm) customer Cable length in m Special version standard customer 1 shielded cable with integrated ventilation tube for atmospheric pressure reference © 2022 BD|SENSORS GmbH - The specifications given in this document represent the state of engineering at the time of publishing. We reserve the right to make modifications to the specifications and materials.

Open the catalog to page 4

All BD|SENSORS GmbH catalogs and technical brochures

Archived catalogs

BD|SENSORS at a glance
5 Pages