LFS1305 Brochure en

LFS1305 Brochure en

LFS1305 Brochure en

Product catalog summary
Overview: The LFS1305 is a conductivity sensor designed for various measurement applications, offering a wide range of conductivity and temperature measurement capabilities. It is characterized by excellent long-term stability, fast response time, and integrated RTD for temperature measurement and compensation.
Benefits & Characteristics:
  • Wide conductivity and temperature range.
  • Excellent long-term stability and fast response time.
  • Integrated RTD for temperature measurement and/or compensation.
  • Optimal accuracy with a 4-electrode measurement system (2-electrode configuration available upon request).
  • Resistance to various chemicals, though aggressive media can affect long-term stability.
  • Customizable sensors available upon request.
Technical Data:
  • Conductivity range: 100 µS/cm to 200 mS/cm.
  • Cell constant: Typically 0.86 cm-1.
  • Measurement frequency range: 100 Hz to 10 kHz.
  • Maximum excitation voltage: < 0.7 Vpp to avoid electrolysis.
  • Operating temperature range: -30 °C to +100 °C.
  • Temperature sensor: Pt1000 with a temperature coefficient of 3850 ppm/K.
  • Measuring current for Pt1000: 0.3 mA.
  • Temperature sensor accuracy: Compliant with IEC 60751 standards.
  • Connection: Pt/Ni wires, Ø 0.2 mm.
  • Storage temperature: -20 °C to +100 °C.
  • Alternative construction: Customized over-mold available.
Pin Assignment:
  • Pin 1: I1 (applied current)
  • Pin 2: V1 (measured voltage)
  • Pin 3: T1 (temperature sensor)
  • Pin 4: T2 (temperature sensor)
  • Pin 5: V2 (measured voltage)
  • Pin 6: I2 (applied current)
Order Information:
  • Size dimensions: 12.9 ±0.3 x 5.5 ±0.3 x 0.65 ±0.1 / 1.2 ±0.3 mm.
  • Nominal resistance: 1000 Ω at 0 °C.
  • Order codes: LFS1K0.1305.6W.B.010-6 (103850), LFS1K0.1305.6W.C.010-6 (103851).
Additional Information: All mechanical dimensions are valid at 25 °C ambient temperature unless otherwise indicated. The data provided is for informational purposes and not guaranteed as assured characteristics. Technical changes may occur without prior notice.
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Catalog excerpts

LFS1305 Brochure en-1

Conductivity Sensor For various conductivity measurement applications Wide conductivity and temperature range Excellent long-term stability Fast response time Integrated RTD for temperature measurement and / or compensation Optimal accuracy Customer-specific sensor available upon request 1) Aggressive media can influence the long term stability. Chemical resistance of the sensor in the end application must be tested by the customer 2) 2 electrode configuration available upon request 3) For actual size, see dimensions Technical Data Conductivity range:* Cell constant :* Measurement frequency range: Maximum excitation voltage (between pin 1 and pin 6): < 0.7 Vpp (Electrolysis of the analyte has to be avoided) Operating temperature range: Temperature sensor:* Temperature sensor accuracy (dependent on temperature range):*

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LFS1305 Brochure en-2

Temperature dependence of resistivity: = temperature in accordance with ITS90 Storage temperature: Alternative construction:* Customized over-mold 4) Cell constant is strongly affected by external objects coming close to the front surface of the sensor 5) Self heating must be considered * Customer-specific alternatives available I: applied current V: measured voltage T: temperature sensor Product photo

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LFS1305 Brochure en-3

Order Information - 6W (Ni/Pt wires, Ø 0.2 mm,10mm*) Size Order code Former order code (*) Other wire lengths upon request Innovative Sensor Technology IST AG, Stegrütistrasse 14, 9642 Ebnat-Kappel, Switzerland Phone: +41 71 992 01 00 | Fax: +41 71 992 01 99 | Email: [email protected] | www.ist-ag.com All mechanical dimensions are valid at 25 °C ambient temperature, if not differently indicated • All data except the mechanical dimensions only have information purposes and are not to be understood as assured characteristics • Technical changes without previous announcement as well as mistakes reserved...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.