Subscribe to Our Youtube Channel
Related Manuals for Hach 3798-S sc
Summary of Contents for Hach 3798-S sc
- Page 1 DOC023.52.03252 3798-S sc Digital inductive conductivity sensor User Manual 08/2022, Edition 3...
-
Page 3: Table Of Contents
Table of contents Section 1 Technical data ............................... 3 1.1 Technical data for the 3798-S sc conductivity sensor ....................3 Section 2 General information ............................. 5 2.1 General handling instructions ............................ 5 2.2 Applications ................................5 2.3 Basic principles................................5 2.4 Measuring principle .............................. - Page 4 Table of contents...
-
Page 5: Section 1 Technical Data
Section 1 Technical data 1.1 Technical data for the 3798-S sc conductivity sensor Materials Stainless steel metal housing, PEEK Enclosure rating IP 68; stainless steel metal housing Storage temperature –20 °C ... 60 °C; 95 % relative humidity, non-condensing Sensor and controller –1... - Page 6 Technical data...
-
Page 7: Section 2 General Information
Section 2 General information 2.1 General handling instructions Attention! The sensor will only work correctly when the tip of the probe is completely immersed in liquid. Ensure the tip of the probe always remains underwater even when the water level fluctuates. 2.2 Applications CAUTION! Potential danger with contact with chemical/biological substances. -
Page 8: Measuring Principle
General information This temperature-dependence, expressed in [% / °C], is termed the temperature coefficient (α). [1 + α (T – T – 1 Tref : conductivity adjusted to the reference temperature Tref : conductivity measured at T : reference temperature (as a rule 25 °C) α... -
Page 9: Section 3 General Safety Instructions
Section 3 General safety instructions Prior to unpacking, commissioning or operating the instrument, read all of this manual. Please pay particular attention to all instructions on hazards and safety. Otherwise there is a risk of serious injury to the operator or damage to the instrument, or pollution. -
Page 10: Electrical Safety Measures And Fire Prevention Measures
EU must return old appliances to the manufacturer for disposal. This disposal is free of charge for the consumer. Note: You can obtain instructions on the correct disposal of all (marked and unmarked) electrical products that have been supplied or manufactured by Hach-Lange from your local Hach-Lange sales office. 3.3 Electrical safety measures and fire prevention measures... -
Page 11: Chemical Safety Measures
General safety instructions 3.4 Chemical safety measures CAUTION! Reference and standard solutions are used for the calibration. Some of these compounds are toxic or caustic. Potential danger with contact with chemical/biological substances. Working with chemical samples, standards and reagents can be dangerous. Make yourself familiar with the necessary safety procedures and the correct handling of the chemicals before use and read and follow all relevant safety data sheets. - Page 12 General safety instructions...
-
Page 13: Section 4 Installation
Section 4 Installation 4.1 Connecting sensor cable You can connect the sensor cable to the controller very easily using the plug. Retain the protective cap for the socket in case you need to remove the sensor in the future. Connecting cables are available in the lengths 5 m, 10 m, 15 m, 20 m, 30 m and 50 m. -
Page 14: Mechanical Sensor Installation
Installation 4.2 Mechanical sensor installation Notice! The sensor will only work correctly when the tip of the probe is completely immersed in liquid. Ensure the tip of the probe always remains underwater even when the water level fluctuates. CAUTION! Potential danger with contact with chemical/biological substances. Working with chemical samples, standards and reagents can be dangerous. - Page 15 Installation Fig. 3 Installation examples Rim mounting chain bracket, PVC or stainless steel Rim mounting immersed tube, PVC or stainless steel...
- Page 16 Installation...
-
Page 17: Section 5 Operation
Section 5 Operation 5.1 Operating the sc controller The sensor can be operated with all sc controllers. Prior to using the sensor, familiarise yourself with the principle of operation of your controller. Learn how to navigate in the menus and run appropriate functions. 5.2 Sensor setup When you connect the sensor for the first time, the serial number of the sensor is displayed as the sensor name. -
Page 18: The Commands Under Sensor Setup
Operation 5.5 The commands under SENSOR SETUP SENSOR SETUP SELECT SENSOR (for several sensors) CALIBRATE Eliminates sensor offset ZERO CAL 5.6.1 "Calibration in air (ZERO CAL)". Calibration with a defined resistance. ELECTRIC. SPAN 5.6.2 "Calibration in air (ELECTRIC. SPAN)". Calibration with a reference solution. PROCESS SPAN 5.6.3 "Calibration in the process (PROCESS SPAN)". -
Page 19: Sensor Calibration (Conductivity)
Operation 5.6 Sensor calibration (conductivity) The sensor has been permanently calibrated and operates with great enough precision and stability that calibration is rarely necessary. Calibrate the sensor • as required (measured value outside the permitted tolerance, see Section 7.3 "Important service data") or •... -
Page 20: Adjusting The Temperature
Operation 5.7 Adjusting the Temperature 1. From the Main Menu, select SENSOR SETUP and confirm. 2. Highlight the appropriate sensor if more than one sensor is attached and confirm. 3. Select CALIBRATE and confirm. 4. Select PROCESS TEMP and confirm. 5. -
Page 21: Section 6 Maintenance
Section 6 Maintenance 6.1 Maintenance schedule The following table reflects experience and may, depending on the sector and application, vary significantly from actual requirements. Maintenance task 90 days annual Clean sensor Check sensor for damage If necessary as per Calibration (if necessary) agreement with the authorities You can set the calibration interval in the sensor setup. - Page 22 Maintenance...
-
Page 23: Section 7 Faults, Causes, Rectification
Section 7 Faults, causes, rectification 7.1 Error messages Possible sensor errors are displayed by the controller. Table 1: Error messages Error displayed Cause Rectification Check the connection to the controller No communication with the ***** controller Check the cable to the controller SENSOR MISSING Check the connection to the controller No communication with the... -
Page 24: Important Service Data
Faults, causes, rectification 7.3 Important service data Data Minimum Maximum Electrical gain correction 95 % 105 % CAL DATA Temperature offset correction – 5 °C + 5 °C Cell constant 2.50 2.00 Output voltage Signals Raw measured data – 1 % + 1 % Desiccant bag Counter... -
Page 25: Section 8 Spare Parts
Section 8 Spare parts 3798-S sc, inductive conductivity sensor..................LXV428.99.00001 User Manual ..........................DOC023.52.03252 Accessories for the conductivity sensor Calibration set, electrical ..........................LZX985 Cable extension set (0.35 m).......................... LZX847 Cable extension set (5 m)..........................LZX848 Cable extension set (10 m)..........................LZX849 Cable extension set (15 m).......................... - Page 26 Spare parts...
-
Page 27: Section 9 Warranty And Liability
Section 9 Warranty and liability HACH LANGE GmbH warrants that the product supplied is free of material and manufacturing defects and undertakes the obligation to repair or replace any defective parts at zero cost. The warranty period for instruments is 24 months. If a service contract is taken out within 6 months of purchase, the warranty period is extended to 60 months. - Page 28 Warranty and liability...
-
Page 29: Appendix A Modbus Register Information
Appendix A ModBUS Register Information Table A-3 Sensor Modbus Registers Lengt Tag Name Register # Data Type Description Measurement mS/cm 40001 Float Conductivity in mS/cm Measurement Ohm.cm 40003 Float Resistivity Ohm.cm Measurement temperature 40005 Float Temperature Measurement uScm 40007 Float Conductivity in uS/cm Measurement S/m 40009... - Page 30 ModBUS Register Information Table A-3 Sensor Modbus Registers Constant cell 40063 Float Constant cell Temperature Compensation 40065 Temperature Compensation Coefficient Compensation 40066 Float Compensation Coefficient Temperature Reference 40068 Float Temperature Reference AutomaticTemperature 40070 AutomaticTemperature Manual Temperature 40071 Float Manual Temperature Temperature Offset 40073 Float...
- Page 32 Fax (970) 669-2932 Fax +49 (0) 2 11 52 88-210 Tel. +41 22 594 6400 orders@hach.com info-de@hach.com Fax +41 22 594 6499 www.hach.com www.de.hach.com © Hach Company/Hach Lange GmbH, 2005, 2013, 2022 All rights reserved. Printed in Germany 08/2022, Edition 3...
Need help?
Do you have a question about the 3798-S sc and is the answer not in the manual?
Questions and answers