Expert Key 200 Data Acquisition System
USB/Ethernet DAQ
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Product Overview
Useful Links
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The new Expert Key devices have been specially developed for use in PC-supported measurement and test engineering environments. A low cost complete package comprising Expert Key hardware and ProfiSignal Go software enables users to commence work immediately. Our customers say that "measurement engineering should always be this easy!"
Product highlights
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The Expert Key is simple and convenient to operate and the ProfiSignal Go software is very user-friendly. A patented measurement procedure and intuitive operation enables fast measurement data acquisition and immediate evaluation that requires no extensive learning or training. Measurement data can be displayed in trends in just three steps. Data is stored continuously to a database and users will be impressed by the range of available functions. Delphin's Go is entry-level software that can be extended for any application:
- ProfiSignal Go: Software for data aquisition (included in delivery)
- ProfiSignal Basic: Software for visualisation and monitoring
- ProfiSignal Klicks: Software for automating process and measurement procedures
Click here to download the ProfiSignal Software brochure
A suitable system is available for any requirement, whether fast measurement set up, mobile applications or fixed installations. Our product video demonstrates the easy to use laboratory version.
Product Overview Video
Examples of applications for Expert Key
- Mobile and fixed systems for the acquisition of measurement and process data
- Process visualisation, analysis and automation
- Research and development
- Experiments and product testing
- Laboratory automation
- Test engineering and test stand automation
- Servicing and fault diagnostics
Expert Key gains added value through a comprehensive complete package. The package includes ProfiSignal Go and a multitude of software interfaces and drivers for the problem-free integration of external systems. This then saves on the expense of having to acquire additional software.
Included in the delivery of Expert Key
- Expert Key device
- ProfiSignal Go software
- LabVIEW™ and DASYLab™ drivers
- Modbus TCP interface and OPC server
- OCX, dot.net programming interface
- Power adapter, USB cable, quick start guide
- Information
- Applications
- Download brochures
- Specialist reports
- Request quote
- Support
Universal I/O configuration
Expert Key devices series have full potential isolation in the form of analog differential inputs. Users configure these according to requirements as mA/mV and V signals as well as for RTD or thermocouples. This enables universal usage and simplifies day to day operation of the device.
Integrated signal conditioning enables any sensor to be connected to the screw terminals and permits immediate processing with scaled data. Recalculation from mA signal to bar, % etc. is unnecessary.
Switching between current and voltage analog output is made simple via software.
Digital inputs (status inputs with counters of up to 1MHz) and digital outputs (switch outputs, PWM-outputs) with switch capacities of up to 30W are included within the compact device and can be used at no extra cost or effort.
Each channel is easily configured at sampling rates of 100 KHz using the DataService/Configurator software included in the delivery. Just select the required sensor, measurement range and scale to have measurement data displayed immediately on the screen.
Full potential isolation
The Expert Key provides full potential isolation, a feature that many low-cost products lack. The analogs, with 18-bit AD converter, as well as the digitals are galvanically isolated from the central unit (a modern FPGA) and from the PC interfaces (Ethernet/USB). This eliminates problems of earth loops or non-isolated signals, and extra signal converters are usually then unnecessary.
Highly communicative
The devices are equipped with a USB port for plug and play operation and an Ethernet port for data acquisition using company networks. These enable fast system set-up and mobile measurement, using a laptop and the ProfiSignal Go software, as well as fixed installations in cabinet systems.
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There are two different Expert Key models available. Expert Key models
Expert Key L – For laboratories and servicing Expert Key 200L is designed for table-top and wall-mounted usage. Mounting brackets are included in the delivery. A pop-up detachable lid enables a clear overview of connections. Sensors and actuators are connected via plugs located on the sides. The L model has universal capability and is particularly suited to laboratory, servicing and testing environments. Expert Key C – For cabinet installation The Expert Key 200C have the same design as the L model apart from the metal housing. The housing design enables the devices to be installed in cabinets or 19” rack systems. The Expert Key can also be supplied without housings to enable OEM solutions. |
Expert Key 200L 
Expert Key 200C |
Acquisition and storage
ProfiSignal Go is the intuitive user-friendly software for storing measurement data, displaying the data in trends, analyzing the data and exporting the data. Measurement data can be monitored online in one trend while archived data is being simultaneously evaluated in another.
Setting up ProfiSignal Go is very simple. It takes just three mouse clicks to go from sensor connection to trend output. Its user-friendliness makes ProfiSignal Go a pleasure to operate. ProfiSignal Go is supplied free of charge with each Expert device.
Limitless trends
There are virtually no limits to the portrayal of online and offline measurement data as trends. Users may evaluate archived or online measurement data without having to interrupt the current measurement run. This is a unique function and is especially valued by customers.
As well as y(t) and y(x) diagrams, logic diagrams are also available. All diagram functions such as moveable axes, zoom functions, cursors and markers and CSV or EMF data export are included in the practical and self-explanatory ProfiSignal Go toolbox.
Software upgrades to ProfiSignal Basic and ProfiSignal Klicks are possible at any time to include functions for visualization and automation.
Alarm functions
As well as trend functions, ProfiSignal Go also provides alarm management. A global alarm list simply and clearly portrays alarm notifications in tabular form. Alarm settings for the monitoring of over-runs, under-runs, process violations, status outcomes etc. are configured using the DataService / Configurator software. Other actions such as emails, text messaging or triggering a digital output may also be performed.
| Analog inputs | |
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| Quantity | 28 |
| Current source for RTD | 8 |
| Sensor types | mV, mA, thermocouples, RTD, Pt100(0) |
| Resolution | 18 Bit |
| Sampling rate | 100 kHz |
| Measurement range | ± 100, 200, 500 mV; ± 1, 2, 5, 10 V |
| Compensation | yes / 2 |
| Galvanic isolation | yes |
| Analog outputs | |
| Quantity | 2 |
| Resolution | 16 Bit |
| Max. output rate | 50 Hz |
| Output voltage / current | 0 ... 10 V / ± 10 V / 0 ... 20 mA / 4 ... 20 mA / ±20 mA |
| Galvanic isolation | yes |
| Digital inputs | |
| Quantity | 1 |
| Input voltage / current | 5 V, 12 V, 24 V, 48 V / 2,7 mA |
| Logic voltage level | < 2,5 V = low / > 3 V = high |
| Max. input frequency | 10 kHz |
| Galvanic isolation | yes |
| Digital Inputs with counter function | |
| Quantity | 1 |
| Counter resolution | 64 Bit |
| Max. input frequency / resolution | 1 MHz / 1 µs |
| Measurement range | 0,1 Hz ... 1 MHz |
| Max. input voltage / current | 5 V, 12 V, 24 V, 48 V / 1,5 mA |
| Galvanic isolation | yes |
| Digital outputs | |
| Quantity | 1 |
| Max. switching voltage / current | 30 V / 1 A or 40 V / 0,75 A or 50 V / 0,6 A |
| Max. switching delay | 0,5 ms |
| Galvanic isolation | yes |
| Digital Outputs with PWM function | |
| Quantity | 1 |
| Duty cycle | 1:100 ... 1:500 |
| Max. switching voltage / current | 30 V / 1 A or 40 V / 0,75 A or 50 V / 0,6 A |
| PWM basic frequency | 5 Hz ... 10 kHz |
| Galvanic isolation | yes |
| General technical information | |
| Sensor connection | via screw terminals with 0,14 ... 2,5 mm˛ openings |
| Power supply | External power supply |
| Max. power input | 6 Watt |
| Power supply | 9 ... 24 VDC |
| Temperature range | 0 ... 50 °C |
| Environmentally friendly | RoHS conform |
| Interfaces: USB or Ethernet | USB 2.0 high speed / LAN 100 BaseT |
| Expert Key L 200 dimensions | 50 x 185 x 215 mm |
| Expert Key L 200 weight | 750 g |
| Expert Key C 200 dimensions | 57 x 280 x 208 mm |
| Expert Key C 200 weight | 1.500 g |
Request Pricing & Information
If you need information right away or prefer to speak with a person, call us and one of our Experienced Applications Engineers will be happy to talk with you. You can reach us at 1-800-956-4437 during our normal business hours Monday - Friday from 8am to 6pm (EDT).
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