Main Unit
Display Unit and PIB mounted together
Physical Characteristics
Dimensions (width x depth x height): 420 x 143 x 334 mm
Weight: 9 kghysical Characteristics:
Power
Operating voltage: 100-240 V
Line frequency: 50/60 Hz
Power consumption: 90 VA max, 35 W typ.
Operation environment
Operating temperature: +10°C to +40°C
Relative humidity: 30% to 75% non-condensing
Atmospheric pressure range: 700hPa to 1060 hPa
Transport and storage environment
Transport (inside packing) or storage (without packing)
Temperature range: -25°C to +70°C.
Temperature range (max 16 hours): -40°C to +70°C.
Relative humidity range: 10 % to 90 %, no condensation.
Relative humidity range (max 16 h): 10 % to 95 %, incl. condensation.
Atmospheric pressure range: 500 hPa to 1060 hPa.
Display
15" 1024x768 TFT LCD Touch screen, with tilt and rotation and brightness control, displaying
the following output data:
Dual Heart Rate: 50-240 bpm (US),
30-240 bpm (FECG).
T/QRS ratio: -0.30 to +0.90 (FECG).
Fetal ECG Average with bi phasic (BP) ST indication.
Uterine Activity: 0-100 units (external),
0-100 mmHg (internal).
Dual heart beat and signal quality indications
Scrolling traces (HR: 50-210 or 30-240 bpm, T/QRS: -0.12 to +0.50, UA: 0-100, BP, time):
1, 2 or 3 cm/min, selectable range 5 to 30 minutes live data, scrollable window (up to 25 minutes) over complete recording
Event Log information: FECG waveform data, operator notes, signal quality
Realtime FECG signal
Signal and system status.
Patient name and id
Easy-to-use touch screen control fields, with expandable control functionality
Audible Indications
FECG-generated heart beat beep.
US-generated heart sounds.
Digital Data Storage
Integrated flashdisk automatically storing several 100 hours of latest recorded data.
USB Connector for removable USB storage devices, or transfer of digital data to archiving systems (optional).
Recording
The following applies when standard transducers are used.
Fetal ECG Recording
Maximum electrode potential difference: ±0.75 VDC.
Input range: ±10 mV.
Pre-amplifier bandwidth: 0.05 to 100 Hz (-3dB).
Sensitivity FHR detection, minimum QRS ampl. 50 μV p-p
Sensitivity ECG analysis, minimum QRS ampl. 200 μV p-p
Mains frequency rejection: >40dB
Beat-to-beat HR detection.
HR range: 30-240 bpm.
HR accuracy: ±1 bpm (up to 180 bpm)
±2 bpm (above 180 bpm)
30-beat ECG Averages.
ECG average T/QRS ratio range: -0.30 to +0.90.
T/QRS accuracy: ±0.02.
Bi phasic ST segment indication: Grade 0, 1, 2 and 3.
US Recording
Centre frequency: 1.0 MHz (US2) and 1.5 MHz (US1).
Intensity: <20mW/cm2.
HR range: 50-240 bpm.
HR accuracy: ±2 bpm (up to 180 bpm),
±3 bpm (above 180 bpm).
Toco Recording
Max load: 500 g
Output range: 0-100 units
Sensitivity: 0.4 units/g (nominal, adjustable)
Manual output offset: 5 units
Resolution: 1 unit
Accuracy: ±20% of display
Bandwidth: DC to 0.15 Hz (-2dB) (-40 dB at 1Hz)
IUP Recording
Range: 0-100 mmHg (0-13.33 kPa).
Resolution: 1 mmHg.
Accuracy: ±5% of display.
Bandwidth: DC to 0.15 Hz (-2dB) (-40 dB at 0.5Hz)
Trolley STAN TR31
Physical Characteristics
Dimensions (width x depth x height): 560 x 585 x 1400 mm.
Weight: 21 kg.
Input mains cable: Removable
Power
Nominal operating voltage: 100-240 V
Line frequency: 50/60 Hz
Max load 10 A
Classification
STAN S31 fetal heart monitor is an FDA approved class III medical device.