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10.2 Measuring mat
10.3 Bioimpedance measurement
Measuring method
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
30 % - 80 %, no condensation
Ambient conditions, storage
•Temperature
• Air pressure
•Humidity
-10 °C to +60 °C (14 °F to 140 °F)
700 hPa - 1060 hPa
0 % - 95 %, no condensation
Ambient conditions, transport
•Temperature
• Air pressure
•Humidity
-10 °C to +60 °C (14 °F to 140 °F)
700 hPa - 1060 hPa
0 % - 95 %, no condensation
Setup location, maximum altitude above mean sea level 3000 m
Power supply
Range (measurements)
Lithium-ion rechargeable battery
approx.8 h
Medical device in accordance with Directive 93/42/EEC Class IIa
EN 60601-1: Medical electrical device, type BF
Type of protection IP44
Operating mode Continuous duty
➔ Measuring method
➔ Evaluation parameters
➔ Evaluation modules
➔ 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
Accuracy
(8-point bioimpedance measurement, frequencies 5 kHz and 50 kHz
Segments: right half of body, left half of body)
• impedance (at phase angle 0°)
• Phase angle (at phase angle 0°, impedance 200 Ω to 1000 Ω)
±5 Ω
0.5°
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