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CMRR 3.0+
The CMRR tester combining accuracy, convenience and test automation all together.
Compliant with IEC 60601-2-25, IEC 60601-2-27, IEC 60601-2-47, IEC 60601-2-26, YY1079, YY1139, YY0782, YY0885, ANSI / AAMI EC11, ANSI / AAMI EC13.
Applicable for R&D, compliance and production line testing.
OVERVIEW
CMRR Tester designed for diagnostic ECG, monitoring ECG, ambulatory ECG and EEG monitor
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
Items Options Specifications
Supply voltage 0.5 / 2.828 / 20 / 2 / (70.71) (Vrms) ±1%*
CM point voltage 1.414 / 10 / 1 / (35.355) (Vrms) ±1% (0.25Vrms ±2%)
Frequency 50 / 60 / 100 / 120 (Hz) ±1%
Electrode with Impedance Change electrode via the touch screen of CMRR 3.0+ None / RA / LA / LL / V1 / V2 / V3 / V4 / V5 / V6 / ALL
Electrode without Impedance Change electrode via the touch screen of CMRR 3.0+ RA / LA / LL / V1 / V2 / V3 / V4 / V5 / V6
Imbalance impedance, R 51kΩ 51kΩ ±1%
Imbalance impedance, C 47nF 47nF ± 5%
DC offset Internal battery powered, can be added on RA / LA / LL / V1~V6 300mV ± 1%
Up to 40hrs with intermittent use
100pF capacitor Use 11:1 (110MΩ:10MΩ) voltage divider to measure indirectly 100pF ± 5%
Environment Intended for normal laboratory environment. The selection of critical components is known to be stable in the range shown. The 110MΩ 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.
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