iMediLogger

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iMedilogger is compact, portable, battery operated 4-channel EMG and 1-channel ECG monitoring system developed by itie Knowledge Solutions.

 iMedilogger ITIE41T and ITIE41R

Salient Features

  • Compact, portable, battery operated 4-channel EMG and 1-channel ECG monitoring system.
     3.7V Li-Ion battery where software optimized for lower power consumption.
  • The data can also be captured onto a mico-SD Card or transmitted on wireless to a receiver unit connected to a PC/Laptop to capture/display in real-time.
  • The device is powered using 3.7V Li-Ion battery and software is optimized for lower power consumption for longer battery life.
  • The patient data captured can be transmitted on wireless to receiver unit connected to a PC/Laptop to capture/display in real-time.
  • The data can also be captured onto a microSD card and use the microSD card with a PC/Laptop and read the data for analysis.
  • This helps to capture the data in the field when no PC or laptop is available. iMediCapturePC software is provided along with the unit to display/store the received data.
  • The stored data can be used with MATLAB for signal processing and analysis.

ITIE41T – Transmitter

EMG Section

Number of channels — 4
Electrode connectivity —  Single ended or differential
Type of electrode — Passive
Maximum input range — 755 μVPP
Bandwidth — 10 to 400Hz
Noise level referred to input — < 3 uVRMS
Amplification Gain — 4500 V/V
Input impedance — > 90 MOhm on the entire bandwidth
CMRR — >96 dB
Output range — 0 to 3.3 V
A/D converter resolution — 24 bits
Sample frequency — 800 Hz

ECG Section

Number of channels — 1
Type of electrode — Passive
Maximum input range — 4.7 uVPP
Bandwidth — 15 to 160Hz
Noise level referred to input — < 3 uVRMS
Amplification Gain — 700 V/V
Input impedance — > 90 MOhm on the entire bandwidth
CMRR — >96 dB
Output range — 0 to 3.3 V
A/D converter resolution — 24 bits
Sample frequency — 800 Hz

Radio Frequency section

Type of device — ISM band Transmitter
Band — 915MHz ISM band
Power — +12dBm @ 915MHz without RF amplifier
Modulation — FSK/MSK
Antenna — PCB antenna (optional external antenna on request)
Data rate — Upto 600Kbps
Range — Upto 500 feet in open space
                  Upto 200 feet in enclosed space/building/room

Data storage

PC/Laptop — Through USB cable or RF
Memory card — microSD Card, 4Gb

Power Section

Power supply — Li-ion battery 3.7V, 3400mA or/and 5V through mini USB connector from AC power adapter/PC/laptop
Power consumption — 200 mW max with RF Transmitter ON

Connectors and Indicators

Front panel — 15-pin Connector for EMG sensor cable
                              15-pin Connector for ECG sensor cable
                              Green LED to indicate power ON
                              Amber LED to indicate data capture and transfer in
 Back panel — miniUSB connector for charging and data transfer
                             microSD card connector
                             Reset switch
                             Power switch
Enclosure — ABS plastic case
Dimensions — 250 x 250 x 50 mm
Weight — 350 g including battery

Radio Frequency section

Type of device — ISM band Receiver
Band — 915MHz ISM band
Receiver sensitivity — -112dBm @ 875MHz with 1% packet error rate
Modulation — FSK/MSK
Antenna — PCB antenna (optional external antenna on request)
Data rate — Upto 600Kbps
Range — Upto 500 feet in open space
                  Upto 200 feet in enclosed space/building/room

ITIE41R – Receiver

Power Section

Power supply — USB power from PC/Laptop through USB cable.
                                 No external power supply required.
Power consumption — 40 mW max with RF Transmitter ON

Connectors and Indicators

Front panel — Green LED to indicate power ON
                             Amber LED to indicate data capture and transfer in progress
Back panel — USB A male connector for power and data transfer
                            microSD card connector
                            Reset switch
Enclosure — ABS plastic case
Dimensions — 100 x 50 x 25 mm
Weight — 150 g

Recommended operating condition

Temperature — from 0°C to +40°C
Maximum relative humidity — 75%
Atmospheric pressure — from 700 hPa to 1060 hPa