Equipment

HP 54120B wide-band sampling oscilloscope with a 4-channel sampling module and the HP 54121A pico-second pulse generator; DC frequency range: 21 GHz, SMA connectors, GPIB interface

• Measured values: reflectometric and transmission analysis (in time domain) of delay and attenuation of pulses of tested objects

Examples of use:

• Measurement of moisture content and salinity of porous materials using TDR (time domain reflectometry) and TDT (time domain transmission).
• Development of dielectric sensors for the measurement of moisture content  and salinity of soils and other porous materials.

SAS-601B wide-band sampling oscilloscope; DC frequency range: 12.4 GHz, SMA connectors

• Measured values: reflectometric and transmission analysis of delay and attenuation of pulses of tested objects

Examples of use:

• Measurement of moisture content and salinity of porous materials using TDR (time domain reflectometry) and TDT (time domain transmission).
• Development of sensor for the measurement of moisture content  and salinity of soils and other porous materials

LCR E4980A precise meter, with optional measurement of permittivity of solids; operating range: 20 Hz – 3 MHz

• Measured values: precise measurement of lumped R, L and C parameters of examined objects; complex impedance

Examples of use:

• Electrical characteristics of solids and liquids, measurement of dielectric permittivity of porous materials, validation of sensor models of non-electrical quantities
• Determination of quality indexes of agricultural and food products, calibration of measurement devices

DL9240 digital oscilloscope, 4 channels, freq. range: 1.5 GHz, 10 Gs/s sampling

• Measured values: time domain electrical signal waveforms

Examples of use:

• Examination of selectivity and measurement accuracy of sensors for the measurement of physical and chemical quantities, testing of time and frequency characteristics of respective sensors
• Development of physical and chemical sensors, calibration of developed sensors and measurement instruments

Pendulum CNT-91 digital frequency meter, resolution: 50 ps, GPIB/USB interface, graphic display, 3.5 MB of built-in memory, precise frequency source,

Measured values: frequencies of electrical signals.

Examples of use:

• Examination of selectivity and measurement accuracy of sensors for the measurement of physical and chemical quantities, testing of time and frequency characteristics of respective sensors
• Development of physical and chemical sensors, calibration of developed sensors and measurement instruments

SMU 2602 SourceMeter Instrument; operating range: 1μV – 200V, 1 pA – 10 A, 10μΩ – 200M Ω GPIB interface, RS- 232 interface, 2 channels,

Measured values: sourcing and measurement DC voltage and current in potentiometric and amperometric measurements.

Examples of use:

• Analysis of responses of physical and chemical sensors to forced voltages and currents.
• Development of physical and chemical sensors, e.g. soil redox potential, ion-selective, soil oxidation, testing their measurement selectivity and accuracy, calibration of developed sensors and measuring instruments.

2100 series precision voltmeter, 6 ½ digit, GPIB, extensive firmware

• Measured values: internal resistance of biosensors, measurements of high-impedance sensors

Examples of use:

• Analysis of responses of physical and chemical sensors to forced voltages and currents
• Development of physical and chemical sensors, e.g. soil redox potential, ion-selective, soil oxidation, testing their measurement selectivity and accuracy, calibration of developed sensors and measuring instruments.

WKL 100 climate chamber, temperature range: -20 – +120°C, relative humidity: 10-98%, capacity: 100 l

• Testing of soils and plants in variable climate conditions
• Testing of developed sensors and meters of electrical and non-electrical quantities at variable temperatures and humidity (tested factors: reliability, precision, short-term and long-term repeatability), temperature corrections

Computer workstation with specialistic software

Design and programming of electronic modules and microcontrollers (Altium Designer, LabView v.5, Hi-Tech C Compiler, MPLAB
C18 Compiler), development of mechanical elements (Autocad LT) for sensors agrophysical quantities, data analysis, processing
and mathematical modelling (MatLab), document processing and archiving (Adobe Acrobat), development of user program
interfaces (Borland Studio 2006, Visual Basic 6 Professional).

Three ESD laboratory rooms (incl. 1 air-conditioned), complete with furniture,

• Measurements with the use of ESD (electrostatic discharge)-sensitive instruments; development and production of
  electrical and mechanical elements of prototype measurement equipment.
• Volt-amperometric and high-frequency measurements with the use of ESD-sensitive instruments; production of precision
  mechanical details for sensors of non-electrical quantities.

High-speed CNC engraving miller including servomechanisms, operating area: 400x 375×130 mm

ZVCE type vector network analyser, 20 kHz – 8 GHz, 3 channels, TDR, passive set of calibrators, N-type connectors

• Measured values: phase shift and amplitude attenuation of sinusoidal signals passing through or reflected by examined objects.

Examples of use:

•  Examination of the dielectric properties of agricultural materials and products, determination of complex permittivity of porous materials, development of quality indexes for homogeneous materials, development of FDR and TDR dielectric sensors
• Quality testing of agricultural materials and products

DAK 3.5 and 12 – dielectric probe kit of open-ended type with application software

This precision dielectric measurement system is designed to cover the 10 MHz – 20 GHz frequency range with 2 open-ended coaxial dielectric probes. The system uses advanced algorithms and novel hardware to measure the dielectric properties of liquids, solids, and semi-solids over a broad range of parameters. The measurement method is fast and non-destructive to the material under test.

• Characterization of materials for the electronics, chemical, food, and medical industries, including human tissues.
• Evaluate reference liquids over a broad frequency range for specific absorption rate (SAR) measurements, in accordance with IEC 62209, IEEE 1528, and several federal regulations.
• Measure complex permittivity of tissue simulating liquids for MRI safety of patients with active implantable medical devices (AIMDs).
• Measure complex permittivity of solid phantoms for CTIA Test Plan for OTA performance.

Vector Network Analyzer Anritsu VectorStar MS4642A

Two channels, frequency range 70 kHz – 20 GHz, TDR option, Includes: electronic calibration module 36585K-2MF, complete mechanical calibration kit 3650A-1, flexible and phase stable Test Port Cables 3671KFK50-60 and 3671KFKF50-60, AWR Microwave Office installed.