MS300/310 Polygraph: Specification

Overview

• Measurements
• Parameter Specification of the Basic Diagnostics (MS300/310)
• Parameter Specification of the Differential Diagnostics (MS310)
• MS300/310
• Environmental Conditions for Transport and Storing (MS300/310)
• Operating Conditions (MS300/310)

Signal/Parameter

Sampling Rate

Basic Diagnostics
(MS300/310)

Pulse Rate

1 per second

SpO₂

1 per second

Signal Quality (Pulse)

1 per second

Pulsation Strength
(Total Pulse Modulation)

1 per second

Pulse wave (Plethysmogram)

50 per second

Respiration (Thermistor)

50 per second

Position

1 per second

Battery power

1 per second

Differential Diagnostics
(MS310)

Thoracic respiratory motions (thorax)

25 per second

Abdominal respiratory motions (abdomen)

25 per second

Snoring sounds (snoring)

25 per second

Options

Mask pressure (e.g. CPAP)

Signal/
Parameter

Object

Value

Accuracy/
Comments

SpO₂

Range of display

45...100 % functional SpO₂

Increment: 1 %

Accuracy

2 %

70 % < SpO₂ < 100 %
(< 70% unspecified)

Internal sampling

300 Hz

Frequency accuracy < 100 ppm

Average

Adaptive

Depending on pulse amplitude (Flexible Artefact Leveling)

Digital filter

50, 60 Hz and 100 Hz

100 Hz due to neon tube

Measuring dynamic

Response time: 2 sec.

Change from 84 % to 96 %, sensitivity (normal = default), PR = 75

Reach of final value: 8 sec.

Change from 84 % to 96 %, sensitivity (normal = default), PR = 75

Ambient light suppression

Up to the 14-fold of the measuring signal

SpO₂ Sensor

Wavelength

660 / 905 nm

Max. thermal rating

20 mW max.

Max. rise in temperature at the application place: 2 °C

Pulse Rate

Range of display

30 - 200 beats/min;

Increment: 1 beat/min

Accuracy

Up to 2 % from the displayed value

Average

Adaptive

Flexible Artefact Leveling (FAL)

Measuring dynamic

Reaction after max. 8 pulse beats

Sudden change from 40 to 80 beats/min. and vice versa,
SpO₂ = 96 %

Time from reaction to reach of final value: 6 sec.

Sudden change from 40 to 80 beats/min. and vice versa,
SpO₂ = 96 %

Pulse Wave (Plethysmogram)

Range of values

0 – 100 %

Resolution

8-Bit

Pulsation Strength (Total Pulse Modulation)

Measurement range

0 – 25 %

Resolution

8-Bit

Respiratory Signal (Thermistor)

Range of values

0...16384 (-512% ... +512%)

Resolution

14-Bit (internal: 16-Bit)

Filter

0,1 Hz highpass

Position

Determination of 5 body positions:

Supine

Right

Left

Upright

Prone

Voltage of Batteries/ Rechargeable Batteries

Resolution

8-Bit

Thorax

Measurement range

-100 .... 100% (0 ... 3,0V)

Resolution

10 Bit

Transfer rate

25 Samples/s

Frequency range

0,05 Hz ... 16 Hz

Abdomen

Measurement range

-100 .... 100% (0 ... 3,0V)

Resolution

10 Bit

Transfer rate

25 Samples/s

Frequency range

0,05 Hz ... 16 Hz

Snoring Sounds

Measurement range

40 ... 92 dB @ 1 mPa, 1 kHz

Resolution

12 Bit

Frequency range

50 Hz ... 1,6 kHz

Sampling rate

19,2 kHz

Transfer rate
(storing the amplitude)

25 Samples/s

Recording Start and Stop

Free to program for several days

Recording Period

Up to 8 recordings possible

Equipment

Recording Period for Basic Configuration

Memory in the Recorder

64 MB (flash memory)

7 days à 8 h (time left: 26:53)

128 MB (flash memory)
Default

7 days à 8 h (time left: 111:09)

Optional more

Display

Graphical LCD display (96 x 32 Pixel)

Data Transfer

USB (Universal Serial Bus) Standard 1.1

Transfer Rate

2,5 Mbit/s @12 Mbit/s USB clock; Standard CF, Pentium IV 1,7 GHz

Transfer Time

40 seconds @ 8 h recording with all sensors in the basic configuration

Power Supply

2 batteries 1.5-V Type AA/LR6 (Mignon)

Or alternatively

2 rechargeable batteries 1.2-V Type AA/LR6 (Mignon) with min. 1300 mAh

Type

Max.

Conditions

Charging Rate at USB

55 mA

75 mA

Effective @5 V, mode: Programming and data transfer

Charging Rate at Batteries/Rechargeable Batteries

110 mA

Effective @2,5 V
Programming mode with sensors of the basic configuration, 25 °C

Required Charge

900 mAh

1000 mAh

8 h record time, MS300 (basic configuration),
25 °C

Power supply

2 batteries

1.5-V Type AA/LR6 (Mignon)

Or alternatively

2 nickel metalhydride batteries (NiMH)

1.2-V Type AA/LR6 (Mignon) with min. 1300 mAh

Connections

SpO₂ Sensor:

Six-pin M&S SIM flat connection

Airflow Sensor:

Six-pin M&S SIM flat connection

Options (AUX):

Six-pin M&S SIM flat connection

Interface

Jack at the MS300/310

Mini USB jack ("Receptable") Type B

Enclosed connection cable to a standard PC

USB connector ("Plug") Type A at USB connector ("Plug") Type B (screened high speed cable)

Dimensions
(L x W x H)

11,0 cm x 6,2 cm x 2,8 cm

Weight

36 grams

MS300 recorder plate (without plate electronics)

120 grams

MS300 including recorder plate, without batteries

Min.

Max.

Unit

Temperature

-20

+50

°C

Humidity

30

80 (noncondensing)

%RH

Air Pressure

700

1060

hPa

Min.

Max.

Unit

Temperature

+10

+40

°C

Humidity

30

80 (noncondensing)

%RH

Air Pressure

700

1060

hPa