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CellTest Multichannel Potentiostat

315 CellTest

The Solartron Analytical CellTest System is a multi-channel test system designed for the complete DC and impedance characterization of a wide range of energy storage devices such as batteries, fuel cells and super-capacitors. The speed, range and resolution of the CellTest system also make it suited to other research applications including the analysis of sensors, coatings, corrosion and general electrochemical applications.

The CellTest system consists of one or more 1470E multi-channel potentiostats and multiple 1455A/1451A series frequency response analyzers (FRAs) connected to a computer providing simultaneous DC and impedance tests on multiple cells. Each 1470E unit provides eight fully independent floating potentiostats, allowing up to eight separate cells to be tested simultaneously. Each channel is completely independent allowing the same or quite different experiments to be run on each cell.

The CellTest system provides a wide range of experimental techniques, including charge / discharge, potentiostatic, potentiodynamic, galvanostatic, galvanodynamic, fast cyclic voltammetry, open circuit, fast pulse and step techniques, ohmic-drop analysis and impedance.

Simultaneous Impedance

Simultaneous Electrochemical Impedance Spectroscopy (EIS) tests can be run on multiple cells by connecting Solartron 1455A/1451A series frequency response analyzer (FRA) modules to the 1470E. These FRAs can operate in single sine correlation or multi-sine / Fast Fourier Transform (FFT) analysis mode, providing the ultimate in speed, precision and accuracy. The 1455A FRA provides high performance impedance measurements over the frequency range 10 μHz to 1 MHz, while the 1451A FRA operates from 10 μHz to 100 kHz.

Temperature controlled ovens and furnaces can be added to the system and automatically controlled from the PC over a serial communications link, providing the facility to test cells at different temperatures (for example for testing solid oxide fuel cells at up to 1000 °C).

Ethernet control
The 1470E and 1455A/1451A FRA units are Ethernet controlled providing either local or remote control of the instrumentation from a PC connected anywhere on the same Ethernet network. This allows experiments to be set-up and run from a quiet office environment while the test equipment and cells are located quite separately in another room or building. The Solartron CellTest system is the most advanced multi-channel battery, fuel cell, supercapacitor test system available, giving the ultimate in DC and impedance test performance.

Multiplexed Impedance

As a lower price option 1470E can operate with 1260A Impdance Analyzer or any Solartron Analytical Frequency Response Analyzer (FRA) to provide impedance measurements using 1470E's built-in multiplexer.  This provides the same EIS accuracy and is applicable where occasional EIS measurements are needed while channels are cycling DC.   This requires the system to operate in GPIB control mode (not Ethernet).

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  • Documentations +

  • Specifications +


    PC Communication Ethernet 10BaseT or IEEE488 (GPIB). Refer to back page for details
    Number of Channels 8 independent floating channels per unit
    Counter Electrode (CE)
    Maximum voltage / current +10 V / -3 V, ±4 A
    Maximum power per channel 40 W
    Selectable bandwidth 10, 100, 1 k, 10 k, 100 k, 1 MHz
    Voltage measurement input (RE1, RE2)
    Connections Driven shields for wide bandwidth
    Maximum voltage +10 V / -3 V
    Voltage ranges Auto-range or manually selected 10 V, 1 V, 100 mV
    Accuracy ±0.1% of range
    Voltage resolution 3 µV
    ADC 16 bit 10,000 samples / sec
    Input impedance >10 Gohm
    Current Measurement input (WE)
    Maximum current per channel ±4 A
    Current ranges Auto-range or manually selected 5 A 500 mA, 50 mA, 5 mA, 500 µA, 50 µA
    Accuracy ±0.1% of range
    Current resolution 1.5 nA
    ADC 16 bit 10,000 samples / sec
    Experiment
    Maximum steps/experiment 100
    Step types:
    voltage, current Constant, ramp, pulse (includes high speed GSM), cyclic voltammetry
    power, resistance Constant level (discharge only)
    other Rest (open circuit), loop
    impedance Requires one or more frequency response analyzers
    Step termination limits Voltage, current, power, resistance and charge. temperature (requires option 14703A)
    Time to switch test type 100 µsec
    Minimum sample rate 1 sample / 100 seconds
    Maximum sample rate 10,000 samples / second
    Measurement modes Fixed sample rate or measure on change
    Shutdown safety limits Voltage, current temperature (requires option 14703A)
    Temperature control Eurotherm 2000 Series controllers
    Temperature Range
    Operating 5 ºC to 40 ºC (41 ºF to 104 ºF)
    Specified accuracy 10 ºC to 30 ºC
    Storage -25 ºC to 70 ºC (-13 ºF to 158 ºF)
    General
    Dimensions (w x h x d) 450 x 286 x 496 mm
    (17.7 x 11.3 x 19.5 in)
    Weight 18 kg (40 lb)
    Safety complies with BS EN 61010
    EMC complies with BS EN 61326
    Line Voltage 85 VAC to 264 VAC 47-63 Hz
    Power 1000 VA Maximum

    Cell connection cable set for 1470E
    8 channel cable set included (1 metre length)

    14703A Option Specification

    Temperature measurement
    Temperature inputs 8 (one per main channel)
    Thermocouple types E, J, K, T
    Temperature accuracy ±1 ºC (plus thermocouple errors)

    Min (ºC)

    Max (ºC)

    Resolution (ºC)

    Type E

    -200

    1000

    0.0625

    Type J

    -210

    1200

    0.0625

    Type K

    -200

    1372

    0.0625

    Type T

    -200

    400

    0.0625

    The 14703A option provides:
    • Temperature safety limits
    • Temperature measurement with plots vs time
    • Temperature step termination limits
    Thermocouple Interface Unit included - for cold junction compensation (with 1 metre connection cable to 1470E).

    Thermocouples must be chosen to suit temperature range requirements and are therefore not supplied with this option.
    Control Outputs
    Control outputs 24 (three per main channel)
    Switch type Opto-isolated solid-state switches (similar to relays)
    Connections 2 per switch
    Maximum voltage 50 V
    Maximum current 100 mA

    Control outputs can be automatically switched on/off at each step in the experiment to control external devices (relays, lamps, heaters, gas valves, power boosters etc.).

    Supplied with a D-type connector for customers to make up their own connection leads.

    14702A Option Specification*
    Auxiliary Voltage Channels (similar to RE1, RE2)

    Connections Driven shields for wide bandwidth
    Maximum voltage +10 V / -3 V
    Voltage ranges Auto-range 10 V, 1 V, 100 mV
    Accuracy ±0.1% of range
    Voltage resolution 3 µV
    ADC 16 bit 10,000 samples / sec
    Input impedance >10 Gohm
    DC measurements synchronized to assigned main channel

    Cell connection cable set for 14702A
    8 channel cable set included (1 meter length) - 147021A

    * IMPORTANT NOTE: Option 14702A requires 14703A to be fitted.

    145x Frequency Response Analyzer Specification

    Chassis 1400A - 8 slot chassis
    PC communications Ethernet 10 / 100BaseT
    Number of FRAs per chassis Up to 8 independent floating FRAs
    Measurement connections Differential voltage generator and analyzer connections to 1470E via supplied cable
    Measurement speed >30 impedance results / second or 1 measurement per waveform cycle, whichever is slower
    Generator
    Maximum DAC sample rate 40 MHz (40x over-sampled)
    Frequency range
    1455A
    1451A
    10 µHz to 1 MHz
    10 µHz to 100 kHz
    Frequency resolution 1 in 65,000,000
    Frequency error ±100 ppm
    Generator amplitude 50 µV to 3 Vrms
    Output Short circuit protected
    Output impedance 50 ohms
    Output waveforms Single sine, multi-sine
    Single sine
    (PC frequency selection)    		 Linear / logarithmic sweep
    Multi-sine
      No. of frequencies
    		 Up to 3 decades per measurement, >3 decades by sequential measurements 
      Frequency selection up to 50 (user selectable), or all
    Analyzers
    Maximum ADC sample rate 40 MHz (40x over-sampled)
    Frequency range
    1455A
    1451A
    10 µHz to 1 MHz
    10 µHz to 100 kHz
    Accuracy ±0.1%, ±0.1º (input X / Y)
    Analyzer modes Single-sine or FFT / harmonic analysis (all modes available throughout the entire frequency range)
    Voltage ranges Auto-range or manually selected 3 V, 300 mV, 30 mV (rms levels)
    Maximum voltage resolution 1 µV
    Phase resolution 0.01º
    Integration time 10 msec to 105 seconds
    1 cycle to 106 cycles
    Auto-integration Long, short or off
    DC bias rejection Automatic
    Anti-alias filters (all channels) Cut-off > 1 MHz
    Digital filtering Automatic

    Auxiliary Voltage Analyzers - for the impedance analysis of cell anode / cathode
    (Requires 14702A/14703A options fitted to 1470E)
    Connections Differential voltage (via 1470E)
    Number of auxiliary inputs Four differential channels per FRA
    Specification Same as the main analyzer specification
    General
    Chassis Dimensions (w x h x d) 450 x 286 x496 mm
    (17.7 x 11.3 x 19.5 in)
    Weight 18 kg (40 lb)
    Safety complies with BS EN 61010
    EMC complies with BS EN 61326
    Temperature specification same as 1470E
    Line voltage 85 V to 264 V 47-63 Hz
    Power 450 VA Maximum

    PC Configuration
    Operating system Preferred - Windows 10/8/7
    PC Communications Interface
    for DC only tests**
    (impedance not required)    		 Ethernet 10 / 100BaseT or National Instruments IEEE488-GPIB communications interface
    for DC and high speed multi-channel impedance**

    compatible with:    		 Ethernet 10 / 100BaseT communications interface


    1455A (1 MHz) or 1451A (100 kHz) (up to 8 FRA's per 1470E
    for DC and multiplexed impedance***

    compatible with :    		 National Instruments IEEE488-GPIB communications interface

    1260A / 1255A / 1255B (1 MHz)
    1252A (300 kHz)
    1250E (65 kHz)
    1253A (20 kHz)
    (one FRA per 1470E)

    * A higher performance PC will give improved data throughout, especially for high-speed GSM/CDMA pulse applications.

    ** Ethernet 100BaseT is recommended for high speed DC data acquisition.

    *** If high acquisition rate DC tests and impedance are to be run, a second IEEE488 interface card should be fitted to the PC to control the FRA.

  • Options +


    CellTest Multi-Channel Potentiostats/Galvanostats
    Notes: 1470E may be controlled via Ethernet or GPIB as preferred (GPIB requires internal card or USB-GPIB adaptor fitted to the PC).  For longer cables, contact your local Solartron office.
    When connected via Ethernet, 1455A/1451A parallel FRAs may be used (one per channel)
    When connected via GPIB, 12xx series FRAs can be used via 1470E's built-in multiplexer.
    Options for 1470 (factory fit or service upgrade at extra cost)
    14703A 8 channel temperature & control option for 1470E
    14702A 8 channel auxiliary voltage option for 1470A/1480A/1470E (available only with 14701A or 14703A)
    147021A 8 channel auxiliary voltage cable set (1m).  For use with 14702A
    147022A 8 channel auxiliary voltage cable set (2M).  For use with 14702A
    CellTest Multi-Channel Parallel FRAs
    1400A 8-slot chassis for up to 8 model 1455A/1451a FRA modules
    1455A 1455A FRA (1MHz) module
    1451A 1451A FRA (100kHz) module
     CellTest Cables
    147001A Set of 8 cables for 1470A, 1480A & 1470E (1m) - included with 1470E
    147002A Set of 8 cables for 1470A, 1480A & 1470E (2m)

  • Optional Software +

    • MultiStat Software

      • Wide range of potentiostatic and galvanostatic test techniques for battery/fuel cell/supercapacitor, including charge/discharge, cyclic voltammetry, galvanic pulse, and impedance (if FRAs are connected).
      • Full support of CellTest multichannel potentiostat products including 1470E, 1470A/1480A
      • Full support of 1455A/1451A for parallel impedance, and 12xx FRAs for multiplexed impedance
      • Power Boosters for DC and EIS testing of high power batteries/ fuel cells and for anodization and electroplating

      Keep Reading

    • ZView Software

      • ZView is the companion EIS data analysis software for ZPlot
      • Multiple display formats (impedance, admittance, capacitance, permittivity and electrical modulus)
      • Comprehensive data analysis capabilities include an extensive library of equivalent circuit data fit models – R, C, L, Warburg, Distributed Elements

      Keep Reading