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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

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.

设备尺寸： 19.8cm（长）*13.5cm（宽）*8cm（高），屏蔽盒尺寸： 20.4cm（长）*14.7cm（宽）*12.1cm（高）

EEG CMRR tester CMRR3.0E