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Transducers and Cables
18 Chapter 2 Technical Specifications
DECG
Transducer
(M1357A)
Input Impedance: >10MΩ (differential, dc to 50/60Hz).
CMRR: >110dB (with patient cable, 51.5kΩ/0.047µF imbalance at line
frequency).
Noise: <4µV
p
(referred to input with 25kΩ).
Contact Potential
Tolerance: ±400mV.
Input Voltage Range: 20µV
p
to 3mV
p
.
Patient Leakage Current: <10µA
rms
@ 120V/60Hz.
Patient Auxiliary Current:<0.1µA (dc).
Dielectric Strength: 1500V
rms
(spark-gap protected).
Weight: 185g/6.5oz.
Cable Length: 2.5m/8ft 2in or 0.7m/2ft 3in.
MECG
Transducer
(M1359A)
Input Impedance: >10MΩ (differential, dc to 50/60Hz).
CMRR: >90dB (with patient cable, 51.5kΩ/0.047µF imbalance at line
frequency).
Noise: <4µV
p
(referred to input with 25kΩ).
Contact Potential
Tolerance: ±400mV.
Input Voltage Range: 80µV
p
to 4mV
p
.
Patient Leakage Current: <10µA
rms
@ 120V/60Hz.
Patient Auxiliary Current:<0.1µA (dc).
Dielectric Strength: 1500V
rms
(spark-gap protected).
Weight: 175g/6.2oz.
Cable Length: 2.5m/8ft 2in.
DECG/MECG
Patient Module
(M1364A)
The patient module has a 7-pin ECG connector into which you can plug either DECG
cable (M1362A or B) or MECG cable (M1363A).
Overall length: 2706mm (+30, -100mm)
Length of free cable: 2618mm (+30, -100mm)
Weight: 120 grams
Size: 88x42x30mm
Socket: DECG or MECG connection