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

Destaques do Sistema

The EIS Box comes with 8 x 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

Downloads

Especificações

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