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EIS Box

Make impedance measurements on up to eight batteries

The EIS Box™ is a multiplexed eight channel instrument designed for impedance measurements on batteries (or other devices such as supercapacitors or fuel cells) and is typically used in conjunction with a battery cycler.  It is isolated from ground and is capable of EIS from 100 kHz down to 10 µHz and comes in a 3U 19" rack-mountable chassis.
  • EIS on up to eight cells
  • 10 µHz to 100 kHz*
  • Includes 3 m cables
  • Ethernet based
  • Up to 6V per channel
*Specifications subject to change

Product Category: Potentiostats

Industry: Electrochemistry

Supplier: Gamry

Description

The EIS Box comes with eight 3 m cell cables and is designed to be used in conjunction with a battery tester/cycler to provide impedance testing. Cycle testing of the battery would be provided by the battery tester/cycler. It can be installed in a 19-inch rack (similar to the ECM8 multiplexer). Connection to the EIS Box is made through ethernet or USB. As with a USB connection to our potentiostats, the EIS Box has to be in constant contact with the host computer for experiments to be performed successfully. Connection via ethernet is done via a direct connection to the computer or over a local network only; connection over the internet is not possible.

Specifications

SPECIFICATIONS

Cell Connections Four
Number of Cells Up to Eight
Cables Set of Current and Sense Cables – 3 m standard length
DC Power Input Voltage 100-240, 50-60 Hz, 2.1A
Connection to computer Ethernet or USB
EIS Measurement 10 uHz to 100 kHz*
(*specifications subject to change)
Max AC Amplitude 3 V or 5 A
Accuracy See Accuracy Contour Plot
Weight Approximately 25 lb (10 kg)
Dimensions 5.25”x18.875”x18.875” (13.3 cm H x 41.5 cm W x 45.7cm D)
Power Max 120W
Mounting Fits 19” (48.3 cm) standard rack mount
3 U height
Fuses IEC 127
For 115 VAC, use 6.3 A 250 V
For 230 VAC, use 3.153 A 250 V

CONTROL AMPLIFIER

Compliance Voltage Min. ±6.5 V
Output Current Min. ±5 A
Unity Gain Bandwidth 1050, 250, 43, 4.4, 0.5 kHz
Slew Rate 10, 4.4, 0.7, 0.07, 0.007 V/µs

DIFFERENTIAL ELECTROMETER

Max Input Voltage Max ±6.0 V
Input Current Max 25 pA
Input Resistance

Differential (between inputs)
Common Mode (input to ground)

 

10 TΩ
1 TΩ

Input Capacitance 

Differential (between inputs)
Common Mode (input to ground)

 

8 pF
12pF

Bandwidth (–3 dB)  Min 12 MHz
 CMRR

DC to 10 kHz
10 kHz to 100 kHz

 

98 dB
88 dB

VOLTAGE MEASUREMENT

A/D Full Scale Ranges ±6.5536 V
Resolution (before gains) 200 µV/bit
Zero Offset Error 0.5 mV
Gain Error 0.2%
Offset Range ±6.5536 V
 Post-offset Gain  1×, 10×, 100×

CURRENT TO VOLTAGE CONVERTER

Maximum Full-scale Range ±5 A
Minimum Full-scale Range ±50 µA
±500 (after 100× gain) nA
Voltage across Rm ±100 mV at full scale
 Input Offset Current  Max 25 pA
Range Zero Offset  Max 0.05% of range
Gain Tolerance, 5 A to 50 µA ranges  Max 0.2% of range
Bandwidth (-3 dB) 5 MHz

CURRENT MEASUREMENT

Resolution 0.00333…% FS/bit
Offset Range ±100% of range
Post-offset Gain 1×, 10×, 100×
Accuracy Dominated by current-to-voltage error
(see above)
 

ENVIRONMENTAL

Operating Temperature Range  0 to +45°C
Relative Humidity Max 90% (non-condensing)
Storage and Shipping Temperature –25 to +75°C
Maximum Shipping Acceleration 30g

Scientific Solutions

Scientific Solutions have been providing carefully selected laboratory and analytical equipment to Australian Industries such as Environmental, Pharmaceutical, Food and Beverage and Research markets of the Science Industry for over a decade.

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