Mindray uMEC12 - Wireless Network; Measurement Specifications

A-6
A.6 Wireless Network
Standards MSD45N Wireless Module: IEEE 802.11a/b/g/n, support Wi-Fi
A.7 Measurement Specifications
The adjustable range of alarm limits is the same with the measurement range of signals
unless otherwise specified.
A.7.1 ECG
ECG
Standards IEC60601-2-27
Lead set
3-lead: I, II, III
5-lead: I, II, III, aVR, aVL, aVF, V
12-lead: I, II, III, aVR, aVL, aVF, V1 to V6 (for
uMEC12/uMEC15)
ECG standard AHA, IEC
Display sensitivity
1.25 mm/mV (X0.125), 2.5 mm/mV (X0.25), 5 mm/mV (X0.5),
10 mm/mV (X1), 20 mm/mV (X2), 40 mm/mV (X4)
Accuracy: ±5%
Sweep speed
6.25 mm/s, 12.5 mm/s, 25 mm/s, 50 mm/s
Accuracy:
±5%
Bandwidth (-3dB)
Diagnostic mode:
Monitor mode:
Surgical mode:
ST mode:
0.05 to 150 Hz
0.5 to 40 Hz
1 to 20 Hz
0.05 to 40 Hz
Common mode rejection ratio
(with Notch off)
Diagnostic mode:
Monitor mode:
Surgical mode:
ST mode:
90 dB
105 dB
105 dB
>105 dB(with Notch on)
Notch on/off
Differential input impedance 5 M
Input signal range ±8 mV (peak-to-peak value)
Electrode offset potential
tolerance
±500 mV
Lead-off detection current
Measuring electrode: <0.1 A
Drive electrode: <1 A