MegaEIS

FEATURES

• 연료 전지 스택, 수전해 및 배터리의 EIS 분석을 위한 정밀 모듈식 테스트 장치

• 최대 1000V의 스택 전압, 2000A의 스택 전류의 사양을 갖춘 고용량 실험을 위한 솔루션

• Power stage와 모든 셀에서 동시에 임피던스 분석이 가능한 EIS 분석 시스템으로 구성

(* 전용 채널 설계를 통해 Multiplexing 없이도 실시간 전기화학 TEST 가능)
• EIS 측정 타입: One cell gradually / All cells simultaneously

• Inner dissipated power of MegaEIS up 20 kW

• DC와 AC 구성 모두에서 높은 정확도의 전류 센싱

SPECIFICATIONS

Power supply	110 … 230 VAC / 50 … 60 Hz, 3x 400 VAC for high-power devices
Dimensions	Modular design for 19“ rack cabinet
Protection rating	IP20
Input voltage	Up to 1000 V *)
Total input current (internal + external load)	Up to 2000 A *)
Internal load current	Up to 1200 A *)
Maximum internal load power dissipation	24 kW *)
Cooling	Water
Stack electrometer voltage range	Up to ± 1000 V
Sampling	24-bit ADCs, low-noise 50/60 Hz filtered sampling for DC measurements 24-bit ADCs, up to 1.25 Msps for EIS measurements
Measurement resolution	0.001% of selected range
Accuracy Voltage	Voltage	≤ 0.1% of range + 0.1% of reading
	Current	≤ 0.1% of range + 0.5% of reading
Acquisition methods	constant V, I, open circuit, manual control chronoamperometry, chronopotentiometry linear sweeps, polarization curves, current interruption load cycling/profiling EIS – electrochemical impedance spectroscopy programmable sequences of all available methods
EIS frequency	1 mHz ... 100 kHz
EIS amplitude	Up to 20% of maximum internal current for < 1 kHz
EIS channel voltage range	± 3 V (can be customized)
Number of EIS channels	Up to 1000 (limited by max. voltage) 8 channels per one module
Connection	USB 2.0, Ethernet
Software	Control software for MS Windows Features: measurement setup and control, data acquisition, processing and visualization, pascal or python scripting, remote control by TCP/IP server for integration with top-level control system, examples for remote control using python or LabVIEW