LFS1K0.1305.6W.B.010-6 Conductivity Sensor For various conductivity measurement applications Benefits & Characteristics Wide conductivity and temperature range Excellent long-term stability Fast response time Integrated RTD for temperature measurement and / or compensation 2) Optimal accuracy 4 electrode measurement 1) Resistance to various chemicals 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) Illustration L 3) For actual size, see dimensions Technical Data Conductivity range: 100 S/cm to 200 mS/cm 4) -1 Cell constant : typical 0.86 cm Nominal resistance: 1000 at 0 C Measurement frequency range: 100 Hz to 10 kHz Maximum excitation voltage (between pin 1 and pin 6): < 0.7 Vpp (Electrolysis of the analyte has to be avoided) Operating temperature range: -30 C to +100 C Temperature sensor: Pt1000 Temperature coefficient (Pt1000): 3850 ppm/K 5) Measuring current (Pt1000) : 0.3 mA Temperature sensor accuracy (dependent on temperature IEC 60751 F0.3 B (IST AG reference) range): Connection: Pt/Ni wires, 0.2 mm Dimensions (L x W x H / H2 in mm): 12.9 0.3 x 5.5 0.3 x 0.65 0.1 / 1.2 0.3 LFS1305 Class B Conductivity LFS1305 1/2 H2 H WTemperature dependence of resistivity: according to IEC 60751: 2 3 -50 C to 0 C R(T) = R x (1 + A x T + B x T + C x (T-100) x T ) 0 2 0 C to 150 C R(T) = R x (1 + A x T + B x T ) 0 -3 -1 A = 3.9083 x 10 x C -7 -2 B = -5.775 x 10 x C -12 -4 C = -4.183 x 10 x C R = resistance value in at T = 0 C 0 T = temperature in accordance with ITS90 Storage temperature: -20 C to +100 C 4) Cell constant is strongly affected by external objects coming close to the front surface of the sensor 5) Self heating must be considered Product Photo: Pin Assignment 1 2 3 4 5 6 1 2 3 4 5 6 I V T T V I 2 2 2 1 1 1 I: applied current V: measured voltage T: temperature sensor Order Information Description: Item number: Former main reference: LFS1K0.1305.6W.B.010-6 103850 090.00072 Innovative Sensor Technology IST AG, Stegrtistrasse 14, 9642 Ebnat-Kappel, Switzerland Phone: +41 71 992 01 00 Fax: +41 71 992 01 99 Email: info ist-ag.com 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 The information on this data sheet was examined carefully and will be accepted as correct No liability in case of mistakes Load with extreme values during a longer period can affect the reliability The material contained herein may not be reproduced, adapted, merged, translated, stored, or used without the prior written consent of the copyright owner Typing errors and mistakes reserved Product specifications are subject to change without notice All rights reserved LFS1305 Class B Conductivity LFS1305 2/2