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Versatile Expert Logger Streamlines Your Application

Flexible Measurement Technology from Delphin

If you have an application requiring data measurement and/or control, the new Delphin Expert Logger is the ideal device. In addition to having versatile fieldbus interfaces, Expert Loggers are among the first data acquisition devices on the market to be equipped with an OPC UA interface. Additionally, every Expert Logger device is provided with ProfiSignal Go software at no extra cost. Streamline your application today—call CAS DataLoggers at (800) 956-4437!

Expert Logger for Measurement and Automation:

The Delphin Expert Logger measures and records data as a stand-alone device but also has analog outputs and internal control functions. It is equipped with 24 switchable digital inputs/outputs to provide all the options you need for test automation.

The Expert Logger combines the latest communication capabilities with advanced measurement functionality, and is based on FPGA technology to make it especially powerful. It can process up to 46 analog input channels at both low and high rates of sampling. Measurement data can be accurately acquired, independently-stored and transmitted to the internet or to a PC for evaluation via USB, LAN, WLAN or LTE.

Now With an OPC UA Interface

The OPC UA protocol enables measurement acquisition, monitoring and test stand automation applications. Both OPC UA servers and clients have been integrated into Expert Logger devices to enable fast and easy data exchange with OPC UA-supported sensors and sub-systems.

OPC UA enables the Expert Logger to directly communicate with field devices and to exchange measurement and configuration data. In addition to OPC UA, Expert Logger devices are also equipped with PROFIBUS, ModBus, CAN-Bus and serial interfaces for sensor and field-level connections.

Simple Configuration and Operation

Each set of four terminals can be configured as two differential inputs to measure Voltage, Currents, Thermocouples, or to take measurements from a 4-wire RTD. The Expert Logger is easy to configure from a PC. These settings remain stored within the Expert Logger even when disconnected from the power supply. Device settings can also be read out and stored on a PC and analyzed offline without the need for a connected Expert Logger. The offline configuration settings are then simply read into the device when connected.

Intelligent Signal Processing

  • Signal processing using internal software channels significantly simplifies measurement tasks. More complex signal processing is possible using pulse counters, stop-clock functions and an operating-hours counter.
  • Flexible calculation channels enable measurement data to undergo further computation and recording.
  • Integrators directly calculate volumes or quantities from time-related measurement data such as mass and discharge flow rates.
  • Limit values can monitor measurement data and be used to switch digital outputs or automatically send emails.
  • Averages can be calculated and recorded as time-weighted or moving.

Software for Measurement Data Acquisition

ProfiSignal Measurement and Analysis software is popular with customers around the world. Trends are easy to set up and operate, whether for 10 or for 10,000 channels. Every trend is available for both online and offline data. The analysis of data – especially large volumes of data – using Delphin products is legendary among users. Virtually anything is possible using ProfiSignal!

Full Range of Measurement Technology Products

Measuring and Analyzing Vibrations

The Expert Vibro is Delphin’s latest vibration measurement device. 8 or 16 synchronous, high-precision analog inputs are available for monitoring requirements in rotating machinery and general vibration applications.

Universal Measurement Data Recording Using a PC

The portable Expert Key is a versatile USB/LAN measurement device which is supplied with ProfiSignal Go software. It is the ideal choice for mobile measuring, servicing and test stand requirements.

Identifying Faults and Analyzing Processes

The Expert Transient can sample at 50kHz on 8 or 16 synchronous analog inputs, coupled with synchronous digital inputs enabling faults to be identified and corrected, including sporadically- occurring faults.

Acquisition of Modular Data and Automation of Testing Procedures

ProfiMessage dataloggers are especially suited to test stand automation and applications involving large numbers of channels. Does your application need more channels? Easily retrofit your system with a ProfiMessage slave device or an I/O card.

For more information on the Delphin Expert Logger, other Delphin models, or to find the ideal solution for your application-specific needs, contact a CAS Data Logger Applications Specialist at (800) 956-4437 or visit our website at