Seca mVSA 535 - Measuring Mat; Bioimpedance Measurement; Measuring Method

122 • secamVSA 535/seca mBCA 525
17-10-05-353-002g_10-2020 B
12.3 Measuring mat
12.4 Bioimpedance measurement
Measuring method
Redundant
power supply
No special requirements –
Settings Recommended settings Consequences in the event of different settings
Measuring mat
Dimensions
• Depth
• Width
• Height
783 mm
170 mm
20 mm
Net weight approx. 1 kg
Ambient conditions, operation
• Temperature
• Air pressure
• Humidity
+10 °C to +40 °C (50 °F to 104 °F)
700 hPa – 1060 hPa
20 % – 80 %, non-condensing
Ambient conditions, storage
• Temperature
• Air pressure
• Humidity
-10 °C to +60 °C (14 °F to 140 °F)
700 hPa – 1060 hPa
15 % – 95 %, non-condensing
Ambient conditions, transport
• Temperature
• Air pressure
• Humidity
-10 °C to +60 °C (14 °F to 140 °F)
700 hPa – 1060 hPa
0 % – 95 %, non-condensing
Setup location, maximum altitude above mean sea level 3000 m
Power supply
Range (measurements)
Lithium-ion battery
approx. 5 h
Medical device in accordance with Directive 93/42/EEC Class IIa
FDA classification Class II Medical Device
IEC 60601-1: Medical electrical device, type BF
Type of protection IP44
Duty cycle Continuous duty
➔ Measuring method
➔ Clinical studies
➔ Accuracy of predictive formulas
Measuring method
Measuring method
8-point bioimpedance measurement
4-point bioimpedance measurement
(measure right half of body)
Measuring frequencies 1; 2; 5; 10; 20; 50; 100; 200; 500 kHz
Measured values
Impedance (Z), resistance (R),
reactance (X
c
), phase angle (φ)
Phase angle measuring range 0° to 20°
Impedance measuring range 10 Ω to 1000 Ω
Measuring segments
Right arm, left arm, right leg, left leg,
right half of body, torso
Measuring current 100 μA (+20 %, -50 %)
Measuring time max. 30 s