Elotest PL600

  • maximum stability with unsurpassed signal purity for best results with classical eddy current and harmonic analysis
  • suitable for all types of eddy current testing: Crack, heat treatment, material mix-up and grinding burn testing
  • maximum test reliability through comprehensive system and sensor monitoring
  • application-specific user interfaces for simplest operation
  • full integration through extensive I/O functions with fieldbus connection
  • modular design allows flexible expansion with easy maintenancet



The ELOTEST PL600 is a digital eddy current test instrument which leaves no wish unfulfilled. A flexible software system
allows components to be inserted which are customised for each application, so that the operation can be carried out
quickly and reliably. A licensing system allows you to match the performance of the device to the task and makes it a safe
investment at an affordable entry price. A sound concept for replacement parts and service reduces operating and maintenance costs and enables maximum availability.

Technical Data:

  • 16 slots for functional modules
  • available module types:
    – test channel module CHM600 (one included in the basic price)
    – fieldbus I/O module with fast quadrature inputs (optional)
    – 24 V I/O module with fast quadrature inputs (optional)
    – 8-channel analogue I/O module (option)
    – many of the plug-in cards for the ELOTEST PL500 are compatible


  • widescreen colour TFT display in IPS technology, 1280 x 800 pixels, 256 mm (10.1“) diagonal
  • HDMI output for external Full HD monitors (via USB also with touch screen operation)

Test Channel Modul CHM600:

  • test frequency range: 10 Hz – 12 MHz
  • driver output +/- 10 Vs; max 1000 mA
  • measurement and control of the sensor currentVoltage/current controlled operation

Continuous monitoring of transmitter coils for wire breakage and interturn short circuiting

Sensor Input Stages:

  • two input channels per module
  • differential inputs with 90 dB common mode rejection
  • continuous monitoring of receiver coils for wire breakage
  • low-noise, digitally adjustable preamplifier with multiplex capability
  • 2 x 18-bit ADC with 5 MSps conversion rate
  • fully digital demodulation and FPGA-based signal processing at 250 kSps Sample Rate

Digital Signal Processing:

  • high-performance signal processing chain in FPGA with
    – digital sine wave generator 10 Hz – 12 MHz
    – two independent levels of digital demodulation
    – digital signal processing chain with
    – distance compensation without auxiliary channel (option „Advanced“)
    – signal Filter HP/LP independently adjustable 1 Hz – 100 kHz in 29 logarithmic increments per decade
    – phase adjustment 0-359.5° in 0.5° increments
    – various real time evaluation thresholds depending on application and licensing

Sensor connection:

  • 26-pin HD sub connector for connection of all sensor types, compatible with the ELOTEST PL500 series
  • connection for active sensor arrays with up to 64 sensors per channel
  • connection for external sensor multplexer for up to 64 sensors per channel
  • intelligent TriggerAll input for processing a wide variety of trigger signals

Integrated I/O processor:

  • central, high-speed I/O processor integrated in the basic unit
  • shift register, end suppression, FIFO functionality, configurable I/O functions
  • access to the outside world via I/O board

Expansion via licensing system (later purchase possible)

Basic License (included in the basic price of the channel):

  • full bandwidth and (100 kHz) full signal quality
  • one parameter set per channel

Advanced License (option, per channel):

  • parameter and sensor multiplexing for up to 64 virtual MuxChannels per channel
  • complete eddy current parameterisation per MuxChannel
  • multiplex rate up to 250 kHz (switch rate MuxChannel to MuxChannel)
  • internal sensor Multiplexer for two sensors
  • external sensor multiplexer control (multiplex rate from sensor to sensor up to 125 kHz, depending on the test frequency)
  • 3rd generation distance compensation with full bandwidth, without additional hardwarea
  • advanced evaluation thresholds (including multi-sector threshold and tolerance band threshold)
  • advanced sensor monitoring (noise monitor)
  • harmonic analysis up to 2 MHz test frequency (5th harmonic) e.g. for recognition of grinding burn

Advanced Plus License (option, per channel):

  • fast multi-frequency sorting with multi-lot function (multi-batch sorting) and harmonic analysis
  • fast single frequency sorting with automatic turning point determination and harmonic analysis
  • automatically activated teaching of sort functions with good parts
  • figure-of-merit evaluation of all gate types (separation number)

Remote control capability/ PC software:

  • remote control via Full HD touch panel with virtual front panel (up to 100 m)
  • remote control and remote maintenance via TCP/IP and supplied PC client (Windows, Linux, MAC)
  • remote control via customised software with an open TCP/IP protocol

Housing data:

  • housing protection class IP30
  • width: 448.8 mm (19”)
  • depth: 375 mm + 35mm
  • height: 177 mm (4HE)
  • weight: 10.5 kg (basic instrument with test channel)
Casp System Dofinansowanie
Introduction of B2B class system that automates business processes taking place between CASP system and its business Partners. The project is co-financed by European Union with funds of European Regional Development Fund.
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