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General| Type | Transmitter |
|---|---|
| Model | Stratos Multi E401N |
| Communication Protocols | Modbus, Profibus, Ethernet |
| Power Supply | 24 V DC |
| Protection class | IP65 |
| Measurement Parameters | pH, ORP, Oxygen, Conductivity |
| Inputs | Analog, digital |
| Display | LCD display |
| Outputs | relay |
| Output signal | 4-20 mA |
| Measurement range | Depends on sensor |
| Operating temperature | -20 to 60 °C |
Explains warning symbols (WARNING, CAUTION, NOTICE) and their meanings.
Outlines qualifications and authorization for personnel handling the product.
Covers installation codes, cable requirements, mains connection, and specialist commissioning.
Explains permitted maintenance modes and how to request repairs.
Describes transmitter design, channels, outputs, display, and user interface languages.
Illustrates and labels device inputs, outputs, and internal components with functions.
Instructions for housing assembly, cable glands, and selecting mounting types.
Details pipe, panel, and protective hood mounting options, plus cable gland knockouts.
Covers safety, cable selection, wiring steps, and specialist commissioning requirements.
Explains how current outputs supply current and requirements for passive outputs.
Provides terminal assignments for sensors, memory cards, inputs, outputs, and power.
Details terminal connections and selection for Memosens or SE740 optical oxygen sensors.
Guides on connecting analog sensors or a second Memosens sensor via a measuring module.
Shows terminal assignments for pH/ORP, Oxygen, Conductivity measuring modules.
Provides a checklist of questions to answer 'yes' before commissioning the device.
Illustrates the device's menu structure, including main categories, passcodes, and submenus.
Explains configuring displayed values, assigning channels, and setting display auto-off.
Details the three access levels (Viewing, Operator, Administrator) for parameter setting.
Guides on locking functions for operator level access from administrator level.
Lists submenus for system control: memory card, transfer config, parameter sets, firmware updates.
Explains saving and loading device settings to/from a memory card for backup or transfer.
Describes selectable parameter sets (A/B) and how to switch between them.
Guides on setting displayed values, assigning channels, and selecting variables.
Lists available inputs/outputs: current outputs, relay contacts, control inputs.
Details parameters for current outputs: usage, range, characteristic, and behavior during messages.
Details configuration of relay contacts and their possible uses.
Details PID controller configuration: types, parameters, pulse length controller.
Guides on selecting measuring channels for Memosens, SE740, or analog sensors.
Details pH measurement configuration, including sensor selection and adjustable parameters.
Details ORP measurement configuration, including sensor selection and adjustable parameters.
Details contacting conductivity measurement configuration and parameters.
Details inductive conductivity measurement configuration and parameters.
Covers analog and Memosens-based dual conductivity measurement configurations.
Details oxygen measurement configuration, including sensor selection and parameters.
Details oxygen calibration modes and timer settings.
Details activating HART communication and its requirements, including TAN option FW-E050.
Describes calibration and adjustment for Memosens sensors, noting data is saved in the sensor.
Details pH calibration and adjustment, including sensor explanations and values.
Explains one-point, two-point, and three-point calibration methods for pH sensors.
Details automatic buffer recognition calibration with Knick Calimatic.
Details setting the ISFET operating point for sensors in the pH 6.5-7.5 range.
Details ORP calibration and adjustment, including sensor data and modes.
Guides on entering the ORP offset of a premeasured sensor.
Explains ORP adjustment by immersing sensor in buffer solutions and entering values.
Describes performing an ORP check with a known ORP value solution.
Details contacting conductivity calibration and adjustment, including cell constant explanations.
Details inductive conductivity calibration and adjustment, including cell factor explanations.
Details automatic calibration using standard solutions for inductive conductivity.
Explains manual inductive conductivity calibration by entering conductivity values.
Describes entering the installation factor for inductive conductivity sensors in tight spaces.
Details oxygen calibration and adjustment, including sensor explanations and recommendations.
Details automatic oxygen calibration in air, including humidity and pressure settings.
Explains automatic oxygen calibration in air-saturated water, noting medium equilibrium and flow.
Guides on entering slope and zero point values for oxygen sensors.
Describes product calibration for oxygen using sampling, to determine slope and correct zero point.
Explains zero point correction for trace oxygen measurements, requiring stable sensor readings.
Explains adjusting the temperature probe for oxygen measurement accuracy.
Lists diagnostic submenus: Message List, Logbook, Device Information, HART, Measurement Recorder, Device Test, Sensor Info.
Lists maintenance functions: memory card, sensor monitoring, current source, relay/controller tests.
Covers sensor-specific maintenance tasks for Channels I and II.
Provides procedures for manually testing device functions like current source and relays.
Explains how malfunctions display with NAMUR icons, color changes, and are logged in the logbook.
Lists general and specific error messages for configuration, firmware, sensor, and system failures.
Details digital/analog input specs for pH/ORP, including ranges and errors.
Details digital/analog input specs for contacting conductivity, including ranges, errors, and USP function.
Details digital/analog input specs for toroidal (inductive) conductivity, including ranges and errors.
Details digital/analog input specs for oxygen measurements, including ranges, errors, and operating modes.
Summarizes diagnostic functions: calibration data, self-test, display/keypad tests, Sensocheck, Sensoface, sensor monitor, recorder, logbook.
Details activating HART interface using TAN FW-E050 and its display variables.
Details updating device firmware using an FW Update Card and TAN FW-E106.
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