Service manual

1. GENERAL
Service Manual BSM-4100 1.11
Arrhythmia message: ASYSTOLE, VT, VF, VPC RUN, COUPLET, EARLY VPC, BIGEMINY, FREQ VPC,
TACHYCARDIA, BRADYCARDIA, NOISE, Electrode OFF, LEARNING
Arrhythmia recall:
Number of recall files: 16
With QM-421P flash disk card, 100
Storage time per file: 8 s
ST level measurement:
Number of measurement channels:3-electrodes: 1 ch
6-electrodes: 8 ch
10-electrodes: 12 ch
Measuring range: ±2.5 mV
Number of recall files (QM-421P
flash disk card required): 500 files for monitoring lead
Pacemaker pulse rejection capability: 0.1 to 2 ms, ±2 to 700 mV
ANSI/AAMI EC 13-1992 compatible
Pacing pulse detection ON/OFF
Defibrillation-proof: ECG input protected against 400 J
IEC 60601-2-27 17.101 compatible
ESU interference filter: Provided
Time constant: 0.5 or 3.2 s
AC hum filter: OFF: 150 ±10 Hz (> −3 dB)
ON: 23 ±3 Hz (> −3 dB)
≤ −16 dB (50 Hz or 60 Hz)
Lead:
3-electrode cable: I, II, III
6-electrode cable: I, II, III, aVR, aVL, aVF, 2 from V1 to V6
10-electrode cable: I, II, III, aVR, aVL, aVF, V1 to V6
Waveform display:
Display sensitivity: 10 mm/mV ±5% (at ×1 sensitivity)
Sensitivity control: ×1/4, ×1/2, ×1, ×2, ×4, or AUTO
Auto positioning: Available
Pacing spike display: Available
Heart rate display update cycle: Every 3 s or when alarm is generated
Alarm items:
BSM-4100A: Upper limit range: 20 to 300 beats/min in 5 beats/min steps, OFF
Lower limit range: OFF, 15 to 295 beats/min in 5 beats/min steps
BSM-4100J/K: Upper limit range: 20 to 300 beats/min in 5 beats/min steps
Lower limit range: 15 to 295 beats/min in 5 beats/min steps
Alarm items: TACHYCARDIA, BRADYCARDIA, ASYSTOLE
12 lead ECG interpretation: Available when monitoring 12 leads on the BSM-4103/4104/4113/4114 monitors.
Respiration (Transthoracic impedance pneumography)
Measuring impedance available range: 0 to 2 kΩ
Internal noise: ≤0.2 Ω (Refer to input)
Excitor current: 30 ±10 µArms at 31.25 kHz
Frequency response: 0.1 to 3.2 Hz ±1 Hz (−3 dB)
Respiration counter counting range: 0 to 150 breaths/min
Defibrillation proof: Respiration input protected against 400 J discharge