Fukuda Denshi FX-7302, Service Manual

Page: 18 / 162

Chapter 1
1 - 6
Specifications list
Leads Standard 12 leads
Sensitivity 1/4, 1/2, 1, 2cm/mV, or automatic
Polarization voltage
±
550mV or greater
Frequency response 0.05 to 150Hz
Time constant 3.2 sec
Common mode rejection 2mmp-p or lower (103dB or more)
Input impedance 50M ohms or greater
Input circuit current 5 x 10
-8
A or lower
Internal noise
20 µ Vp-p or lower
Calibrated voltage
1mV
±
2% or lower
Sampling rate 8000/Sec/CH
Filter
HUM filter: -20dB or less at 50/60Hz
Muscle filter: -3dB (-6dB/oct) at 25/35Hz
Drift filter:
-3dB or less at 0.25/0.5Hz
Recording system Thermal array head
Recording speed 5, 10, 12.5, 25, 50mm/sec.
Recording resolution
Deflection axis: 8 dots/mm
Time axis:
500
μ
sec.
Recording channels 3CH, 3CH+rhythm lead, 6CH
Recording paper
Roll recording paper: OP-358TE (145mm x 30M)
Z-fold paper: OP-383TE (145mm x 100M)
Display
Type: Liquid crystal display (LCD) with backlighting
Resolution: 320 dot (horizontal) x 240 dot (vertical)
Electro-
cardiography
Patient data ID number, age, sex, height, weight, etc.
Basic measurement value
Heart rate, R-R time, P-R time, QRS time, QT time, QTc,
electrical axis, SV1, RV5(6)
Heart Rate measurement 20 to 300 BPM
Measurement
Operation
Accuracy
±
2 BPM
Interpretation and code Approx. 110 types
Minnesota code Approx. 130 types
Analysis operation
(When the
PC-7303 or
PC-7304 program
cartridge is
installed)
Grade judgment 4 types
Safety standard
IEC60601-1 (Class I, type CF; Internally powered
equipment, type CF)
Power supply
AC power supply: 100 to 240V AC (
±
10%), 50/60Hz,
Power consumption: 80VA
DC power supply: Ni-MH battery
(T8HR4/3FAUC-5345),
Power consumption: 60W
Dimensions
315mm (W) x 255mm (D) x 76mm (H)
(12.4” x 10.0” x 2.99”)
General
Weight Approx. 3.5kg (7.7 lbs.)
Temperature
+10 to +40 degrees Celsius (50 to 104 degrees
Fahrenheit)
Operating
environment
Humidity 25 to 95% (no condensation)
Atmospheric pressure 70 to 106kPa (700 to 1060mbar)
Storage
environment
Temperature
-10 to +50 degrees Celsius (14 to 122 degrees
Fahrenheit)
Humidity 10 to 95% (no condensation)
Atmospheric pressure 70 to 106 kPa (700 to 1060mbar)