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Complex measuring electrophysical and electrochemical properties of materials - Solartron / Probostat / ProGasMix

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Measuring system, consisting of a frequency response analyzer (impedance spectroscopy) Solartron 1260A, potentiostat / galvanostat Solartron 1287 measuring cell ProboStat, elevator furnaces and cooking gas mixtures ProGasMix allows measuring electrochemical and electrical properties of materials in a wide range of temperatures (up to 1200 ° C), in different atmospheres in the frequency range from 10 MHz to 32 mkGts.

Frequency response analyzer Solartron 1260 is used daily by leading researchers, as it meets the latest requirements for reliability and accuracy of the experiments. Reputation instrument is regularly confirmed by published studies in areas such as:

  • study of corrosion
  • development of batteries and fuel cells
  • solar panels
  • LCD Screens
  • biomaterials
  • composites
  • development of electronic components.

Represents Solartron 1260 frequency response analyzer designed to measure the amplitude and phase and group delay characteristics of the impedance in a broad frequency range (from 10 MHz to 32 mkGts . ) 1260 analyzer can be used successfully in the study of materials , design and testing of electrical circuits , quality control in production and research activities. Up to 0.1%, 0.1 °, the measurement is performed with the maximum reliability , that allows you to record and characterize even small changes in the behavior of the sample.

 

KEY FEATURES:

  • frequency resolution: 1 to 65 • 106 (0.015 ppm)
  • accuracy of 0.1%, 0.1 ° - the highest among similar devices
  • Resolution: 0.00
  • 1 dB, 0.01 ° - a full description of the signal
  • measured resistance:> 100 megohms
  • 2, 3 and 4-electrode circuit for
  • polarization voltage up to ± 40.95 in

Impedancemeters: Measuring the resistance of different materials varies with the frequency of the applied voltage and depends on the physical structure of the material and place in it chemical processes.

The main advantages of the method of impedance spectroscopy are:

  • rapidity of obtaining experimental data
  • accurate, reproducible results
  • preserve the integrity of the sample
  • highly adaptive method to solve various problems
  • able to distinguish between the effects associated with the electrodes, diffusion, mass transfer or charge by carrying out experiments in different frequency bands
  • Modeling of equivalent circuits for a detailed analysis of the results

Solartron 1287 is a precision wideband potentiostat / galvanostat , which when connected to a frequency response analyzer Solartron 1260 allows the entire spectrum of tests on AC and DC . The instrument allows a full range of measurements in AC or DC . In combination with one of our active impedancemeters device opens possibilities for measuring alternating current impedance .

The device and the accompanying software packages CorrWare ZPlot and provide opportunity for a wide range of different electrophysical studies :

  1. Impedance measurement for AC and DC.
  2. Tests with a potentiostat / galvanostat.
  3. Cyclic measuring voltage / current (volt-ampere meter).
  4. Measurement and analysis of electrical noise.

Potentiostat / galvanostat 1287A allows measurements at different connection to the measuring cell 2-x, 3-x and 4-electrode measurements can be performed with equal ease.


• 2-electrode measurements for general research materials and electrochemical experiments.
• 3-electrode measurements to study the surface and corrosion processes.
• 4-electrode measurements for accurate characterization of batteries and fuel cells that minimize parasitic resistance.

Features potentiostat / galvanostat 1287A. The device is designed specifically for the possibilities of synchronous impedance measurements . Analyzers Solartron frequency characteristics of reliability and accuracy have no analogues in the world. In impedancemeters Solartron Analytical correlation algorithm is used , which allows significantly inhibit electrochemical noise. This technology has great practical significance for electrochemical studies in which the signal level is usually very low (a few millivolts ) , and can be completely unrecognizable because of the noise .

Using a range of instruments 1287A/1260A possible to investigate the cell with a very wide range of resistances. Special technology "Solartron Analitical driven shield" to minimize the undesirable effects of resistance wires measuring cell with high- impedance measurements , and enables use of the device 1287A throughout the frequency range from 10 MHz to 1 mkGts .

The model 1287A measurement capabilities are provided by two high-resolution digital voltmeter , which allow simultaneous measurement of current and potential . Through the use of patented technology controls the pulse width Solartron Analytical they have high accuracy, stability and linearity measurement characteristics over the entire operating range of the device. Model 1287A allows for high-precision measurements with high resolution up to 1 mV for reference electrodes and 1 pA for the working electrodes , which makes it ideal for measuring electrochemical noise or measurement with extremely low level signals.

Параметры измерения

 

Подключение ячейки

2-х, 3-х, 4-х электродный метод, все электроды плавающие

Рабочий электрод

 

Сопротивление измерительного резистора (Rs)

От 0.1 Ом до 1 MОм

Диапазоны измерения тока

от 2 А до 200 нА

Максимальная ошибка измерения:

0.1% ±0.05% от диапазона

Вспомогательный электрод

 

Выходное напряжение

>±30 В

Выходной ток

2 А, зависит от ограничений термической защиты

Скорость нарастания выходного напряжения

>10 В/мкс (потенциостатический режим)

Электроды сравнения

 

Входной импеданс

>10 ГОм

Входная емкость

50 пФ

Входной ток

<1 нА

Максимальная ошибка измерения

0.1%±100 мкВ

Подавление синфазной компоненты

f<10 кГц: 75дБ, f<1 МГц: 40 дБ

Электроды сравнения

 

Диапазоны напряжения

±14.5 В, 2 В, 200 мВ

Входной импеданс

>10 ГОм

Входная емкость

50 пФ

Входной ток

<1 нА

Максимальная ошибка измерения

0.5% от диапазона ± 0.0025% от измеряемой величины

Подавление синфазной компоненты

f<10 кГц: 75дБ, f<1 МГц: 40 дБ

Максимальное разрешение

100 мкВ

Диапазон тока

±2 А

Максимальная ошибка измерения

0.2% ±0.1% от диапазона

Максимальное разрешение

100 пА

Параметры развертки при постоянном токе

 

Тип

Аналоговая развертка (напряжение): от 6 мВ/мин до 6000 В/мин

Длительность сегмента

От 10 мс до 105 с

Параметры ступенчатой развертки

От 5 мкВ/5 пА до 29 В/4 А

Длительность шага: 

10 мс до 105 с

Параметры на переменном токе

 

Диапазон входного напряжения при переменном токе:

±10 В, усиление: x1. x0.01, импеданс: 10 кОм

Control loop Bandwidth:

100 Ом активная нагрузка, однократное усиление
потенциостатический режим, стабильность тип C: >1 МГц 
гальваностатический режим, стабильность тип B: >100 кГц

Параметры АЦП

 

Разрядность

3½, 4½, 5½

Максимальное разрешение

1 мкВ/1 пА

Компенсация постоянной составляющей напряжения

 

Напряжение

 

Диапазон напряжения:

±14.5 В

Максимальная ошибка измерения:

0.2%±10 мВ

Разрешение:

5 мВ

Ток

 

Диапазон тока (полная шкала):

200 нА to 2 А

Максимальная ошибка измерения:

0.2%±1% от диапазона

Разрешение:

1% от диапазона

Интерфейсы

 

RS232 & GPIB (IEEE-488)

Для управления прибором и непосредственного запуска оснащен графопостроителем HPGL

Требования к питанию

 

Напряжение

90-110В, 108-132В, 198-242В, 216-264В

Частота

48-65 Гц

Мощность

<150 Вт

Габариты

 

Ширина

432 мм

Длина

472 мм

Высота

108 мм

Вес

11 кг

Диапазон рабочих температур

От 0 до 50ºC

 


 

ProGasMix is a unique gas mixer that lets you create 2 gas mixture with simultaneous or drying the moisture.

ProGasMix together with a set of instruments Solartron 1287A/1260A allows the study of electrical properties of the samples in the atmospheres of different gases and mixtures thereof, as well as explore the conductivity of the samples as a function of gas pressure and humidity.

Features and basic specifications:

  • Two gas mixture at the outlet (count gases in the mixture - to 3pc.)
  • Possibility moistening and drying gases
  • Prior gas inlet 7
  • Mixer operating at pressures close to atmospheric
  • Gas output: 1-50 ml / min
  • Humidification process: Bubblers with Peltier
  • Drying stage: molecular sieves - 5A with steam traps (Supelco)
  • Pipe materials: 1/8 inch brass tubes and Cu components
  • Ability to work with the system ProboStat ™
  • EXAMPLE gas: O2, air, N2, Ar, CO, CO2, He, H2
  • Bubblers are used to control and pressure relief


 

ProboStat is a cell for measuring electrical properties of samples under controlled atmosphere and temperatures up to 1200 ° C.

Vertical furnace electric heating Lenton Furnace System LTF12/50/300 with temperature controller Eurotherm 2704 England allows you to control the temperature in the range from room temperature to ~ 1200 K using the retaining two-stage heating system.

Features:

  • Allows to measure the conductivity of T, the partial pressures of gases and moisture.
  • 2, 3 and 4-electrode measurement system
  • The furnace temperature to 1200 ° C.
  • Atmosphere: oxidizing, inert, reducing, dry, wet
  • Sample Dimensions - Thickness: 10 - 25 mm. in diameter, similar in size or other forms of specimen.
  • Measuring tape and flat samples by the method of van der Pauw
  • Impedance spectroscopy, current-voltage, capacitance-voltage characteristics, measurement of transport numbers, the Seebeck coefficient.