Fukuda CardiMax 2, Service Manual, Page: 31 / 124

1-5
Chapter 1 General Description Specifications
Specifications

ECG
bl5882
Control Panel Power key, START/STOP key, Review key, Reset Key, 1 mV key, Leady
key, Sensitivity key
Standard sensitivity 10 mm/mV
Sensitivity changes 1/4, 1/2, 1, 2, Auto
Stability of sensitivity Temporal change within ±3%
Accuracy of Sensitivity: Error: +/- 5%
Detection range/accuracy of heart rate 30-300 bpm, Error: ±2 or less
Input impedance 2.5 M
Ω
and above
Differential and synchronous offset voltage (Voltage
between electrode and patient’s skin) ±600 mV and above
Recovery Time Within 5 seconds
Tolerable overload voltage 1 Vp-p, 10 seconds
Sine wave characteristics 0.05 Hz to 250 Hz
Low frequency characteristics (time constant) 3.2 s or more
Common-Mode Signal Suppression 103 dB and above (2 mm [p-p] and below at sensitivity level 1)
Leads Standard 12-lead
Lead selector Error: within 5%
Skew between leads 0 sec.
Noise level 30
μ
V (p-p) and below (input conversion)
Filter AC filter: -20 dB or less at 50 Hz or 60 Hz
Muscle filter: -3 dB (-6 dB/oct) or less at 35 Hz or 25 Hz
Drift: -3 dB (-6 dB/oct) or less at 0.25 Hz or 0.5 Hz
Printing Thermal Head Method
Printing Speed 5, 10, 12.5, 25, 50 mm/s ±3% or less
Printing Density Amplitude direction: 8 dots/mm
Direction of the time axis: 1 ms (25 mm/s or less), 500
μ
s (500 mm/s)
Printing channel 3, 6 ch
Appropriate chart paper OP-222TE (with grids, Z-fold paper)
Display Color LCD, 800 x 480 dots (with LED backlight)
LED AC power supply LED, Battery Charging LED
A/D conversion 18-bit
Sampling Rate 8000 samples/sec.
LAN port Conforms to IEEE802.3u 100BASE-TX
(The cable must be within 50 m.)
Filing USB Memory
USB port Compatible with USB2.0 Full Speed, 3 ch bl5883