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General| Type | Liquiline M CM42 |
|---|---|
| Measurement Range (Conductivity) | 0.00 µS/cm to 2000 mS/cm |
| Ambient Temperature Range | -20 to +60 °C (-4 to +140 °F) |
| Measurement Parameters | Conductivity |
| Input Channels | 1 or 2 |
| Outputs | 4-20 mA, relay |
| Display | LCD with backlight |
| Communication Protocols | HART, PROFIBUS PA, Foundation Fieldbus |
| Temperature Compensation | Automatic |
| Protection Rating | IP65 |
Defines calibration and adjustment, and introduces terms like zero point and slope.
Explains sensor slope, delta slope, and delta zero point for monitoring sensor condition.
Provides rules and recommendations for performing calibration accurately.
Discusses sensor lifespan, calibration frequency, and device monitoring functions.
Lists and describes possible calibration methods for pH and ORP measurements.
Describes the preferred two-point calibration method for pH sensors.
Details single-point calibration for pH and ORP measurements.
Details the process for calibrating the temperature sensor.
Provides step-by-step instructions for initiating and performing a calibration.
Covers basic troubleshooting steps for device errors and messages.
Lists common process-related problems and their solutions without specific error messages.
Details errors specific to the device, hardware, software, and communication protocols.
Explains how to interpret diagnostic messages on the local display and via fieldbus.
Explains how to configure diagnostic message categories and disable messages.
Describes viewing pending messages and details on available logbooks.
Covers simulation of output values and resetting device settings to factory defaults.
Guides users through sensor replacement, type changes, and status checks.
Details device identification, sensor info, output state, and firmware history.
Lists available spare parts with order numbers for the CM42.
Provides instructions for replacing hardware modules in the device.
Outlines procedures for returning products and disposing of electronic components.
Lists kits for mounting and weather protection covers for the device.
Details firmware updates and introduces Memobase Plus for data management.
Lists accessories for simulating values and for HART communication.
Covers input variables, measuring range, output signals, HART, and load.
Provides cable specifications and protocol-specific data like manufacturer ID.
Details supply voltage, cable glands, and performance characteristics.
Lists operating environment, temperature, humidity, and materials.
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