MHW 0012 – DK 1713 | Version 004 – 20/04/2020 | custo med GmbH
2
Resting and Stress ECG
Hardware, description of device for custo cardio 400 BT and custo cardio 400 accu
[2] Resting and Stress ECG Hardware, custo cardio 400 devices |
page 21
2.8
Technical data and system requirements
Technical data custo cardio 400 BT / custo cardio 400 accu
Number of ECG channels
12
Frequency response
0 to 0.262 * sampling frequency [HZ]
Sampling frequency
1000, 2000, 4000, 8000, 16000
(only with USB)
, 32000
(only with USB)
Hz
Sampling rate
Identical for all channels, possible settings:
1.0 ms / 0.5 ms / 0.25 ms / 0.125 ms / 0.0625 ms
(only with USB)
/ 0.03125 ms
(only with USB)
Deviation
< 1.5 %
A/D converter
24 bit
Input impedance
> 50 MΩ
Amplitude quantification
1.526 μV/bit
CMRR
> 93 dB
Impedance measurement
at all electrode leads (not N) with automatic quality indication
Defibrillation protection
Electrical strength 5000 V
Recovery time after defibrillation < 5 s
Suction power
Level 0 = 0 mbar
Level 4 = 180 mbar
Level 1 = 60 mbar
Level 5 = 220 mbar
Level 2 = 100 mbar
Level 6 = 280 mbar
Level 3 = 140 mbar
Power supply
custo cardio 400 BT
12 V power supply unit
custo cardio 400 accu
Lithium polymer battery / 12 V power supply
Battery information
Charging time
approx. 4.5 hours at 1.5 A charging current in standy
longer charging time during operation
Running time
approx. 9 hours (at suction level 3),
varies depending on suction level and leaks
Service life
at least 500 charging cycles
Maximum power consumption
custo cardio 400 BT
7 Watt
custo cardio 400 accu
19 Watt (when charging in standby)
EDP connection
USB (3 m) and Bluetooth 2.1 EDR
Radio frequency band
Bluetooth 2.1 EDR: 2.402 – 2.480 GHz (ISM Band)
Radio transmitting power
Bluetooth 2.1 EDR: max. 10 dBm
Bluetooth range
generally 10 m, depending on ambient conditions
Time to standby mode
1)
after disconnection from USB 30 min
after last BT communication
30 min
after last manual configuration 30 min
Energy saving mode
after 1 minute of inactivity
(custo cardio 400 accu)
(no suction level control/cleaning, button pressing)
IP protection class
IPX0 (not protected from water permeation)
Dimensions 250
* 110 * 60 mm (L * W * H)
Weight
custo cardio 400 BT
approx. 680 g (device without leads and electrodes)
custo cardio 400 accu
approx. 940 g (device without leads and electrodes)
Patient leads
approx. 1450 mm (extremities)
approx. 1200 mm (chest wall)
1) The pump and valve are deactivated in standby mode. Communication via USB / BT and manual confi guration of the system
is still possible. The standby mode is not activated during an ECG recording.
