7050

7050 - Potentiostat / Galvanostat

A new standard for performances and flexibility.

7050

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When designing a new instrument, it is important to have a high level of knowledge and creativity to be able to significantly increase performance, as well as a great deal of experience with scientist to be able to offer user friendly operation.

AMEL combined its 40 years of experience in Potentiostat design with the latest electronic technology to produce a Potentiostat-galvanostat that expands the standard measuring limits and simplifies the researcher’s task.

With a unique blend of power (up to 45V and 4A) and sensitivity (200 fA maximum resolution) the Model 7050 potentiostat-galvanostat accomplishes the most difficult tasks in electrochemistry today. All of the desired measuring techniques (cyclic voltammetry with current interrupt IR-compensation, and electrochemical impedance spectroscopy with an optional frequency response analyser) are available at your fingertips. Additional features include two full input range electrometers and temperature probe input, to allow the exploration of internal interfaces, electrode double layers, and thermoelectric potentials.

The instrument has an easy to operate front panel and full computer control through either an RS232 or USB interface. A windows-based software is included for managing multiple runs and complex experimental sequences. Take advantage of these new developments today!

Technical Specifications:

Operating
Mode Potentiostatic - Galvanostatic
Cell connections 2,3,4 electrodes with guard
Counter electrode
Voltage output 2 ranges : +/- 45 +/-16 Volt (user selectable)
Positive only output (mono position) for full current span on batteries
Current output +/- 1.5 A max (45 V range)
+/- 4 A max (16 V range)
Slew rate > 10 V / uS
Protection full thermal, overload and short-circuit protected
Working electrode
Current measure 5A-5nA Full Scale in 10 ranges
Current resolution From 200 uA at 5 A F.S. to 200 fA at 5 nA F.S.
Measuring accuracy 0.2 % +/- 0.1% f.s.
Reference electrodes
Input impedance > 1 TOhm
Input capacitanc < 20 pF (with 1 m cable and guard enabled)
Biasing current < 10 pA @ 25 C°
Common mode rejection > 50 dB full frequency response
Common mode voltage range +/- 45 V
Input BNC Outer contact grounded or guarded
Polarisation capabilities
voltage +/- 45 or +/-5 V
current +/-1.5 A at +/- 45 V compliance
+/-4.0 A at +/- 16 V compliance
voltage resolution 2 mV - 200 uV
max current resolution 200 fA
accuracy +/- (0.2% +0.1% F.S.) worst case
Electrochemical tecniques
polarisation sweep Ramp, staircase, triangle, square wave
real part managing IR compensation or current interruption technique
limits of IR compensation 0-400 % of the Rs
current interruption capabilities 100 uS-5 mS time 1-255 on/off ratio
Frequency Response
Potentiostatic bandwidth (max) 1 MHz (-3dB) resistive load (100 Ohm)
Galvanostatic bandwidth (max) 100 KHz (-3dB) resistive load (100 Ohm)
Frequency bands 1 MHz (Potentiostatic only) , 100 KHz, 20 KHz , 5 KHz
Meters and interfaces
Voltmeters & Ampere meters +/- 25000 counts 20% overload allowed
Temperature meter -200 + 500 C° with PT1000 probes
0.1C° resolution 0.2C° accuracy
Sampling rate 100 readout / sec (included data transmission)
Sampling techniques Synchronous sampling on current interrupt and on pulse voltammetry
Digital interface USB and RS 232 with full instrument control
Power supply and size
Voltage mains 115 / 230 V ranges (+/- 10%)
Power consumption 90 VA max
Size & weight 400 x 430 x 135 mm (L x W x H) Kg 12
(rackmount brackets excluded)

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