EEG CMRR tester CMRR3.0E, combining accuracy, convenience and test automation all together.
Compliant with IEC80601-2-26:2019 and applicable for R&D, compliance and production run testing.
EEG CMRR tester CMRR3.0E, combining accuracy, convenience and test automation all together.
Compliant with IEC80601-2-26:2019 and applicable for R&D, compliance and production run testing.
OVERVIEW
Designed for EEG CMRR and system noise testing
Extreme shielding structure to avoid internal and external noise interference
Built-in calibrated sine wave generator and Vc voltage measuring circuit to assure output accuracy level
Exclusive shielding covers can be added for higher CMRR requirement
Touch screen maximizes the test efficiency in standalone operation
PC software operation allows to control and conduct test via mouse clicks
Optional Standard Assistant software pack simplifies the medical standard with test sequences, options, parameters and pass criterions
Software Development Kit (SDK) assists user to develop customized or automated test software with less efforts
SPECIFICATION
ItemsOptionsSpecifications
Supply voltage0.5 / 2.828 / 20 / 2 / (70.71) (Vrms)±1%*
CM point voltage1.414 / 10 / 1 / (35.355) (Vrms)±1% (0.25Vrms ±2%)
Frequency50 / 60 / 100 / 120 (Hz)±1%
Electrode with ImpedanceChange electrode via the touch screen of CMRR 3.0ENone / RA / LA / LL / V1 / V2 / V3 / V4 / V5 / V6 / ALL
Electrode without ImpedanceChange electrode via the touch screen of CMRR 3.0ERA / LA / LL / V1 / V2 / V3 / V4 / V5 / V6
Imbalance impedance, R10k?10k? ±1%
Imbalance impedance, C47nF47nF ± 5%
DC offsetInternal battery powered, can be added on RA / LA / LL / V1~V6150mV ± 1%
Up to 40hrs with intermittent use
100pF capacitorUse 11:1 (110M?:10MΩ) voltage divider to measure indirectly100pF ± 5%
EnvironmentIntended for normal laboratory environment. The selection of critical components is known to be stable in the range shown. The 110M? divider may be affected by high humidity in excess of 85%
15 - 30°C
10 - 75% RH
*Require to measure with the multimeter of higher accuracy.
EEG CMRR tester CMRR3.0E
