Bio Medical Instrumentation Trainer
specification
Specification of Master unit
* Power Supply Dc supply
5V / 1A, /- 12V, 500mA
0 to 15V DC (Variable) / 100mA.
0 to -15V DC (Variable) / 100mA.
* Computer Interface (CIA)
Optoisolated Adaptor prevent to PC parallel port (25 pin PLT) due to wrong connections. Interfaces through 25 pin M to F cable 1mtr Length.P4XP not in scope of supply.
4DAC channels : 0 to 2.5V full scale.
1 DAC channels : O/P 2.5 V full scale
V to I Function block : Input : 0-2.5Vdc
Output: 0-20 or 4-20mA,in 100E load Max
V to PWM function block: I/P -0-2.5V, O/P-1KHz PWM O/P±9V.
* PC Software
PC (P4/XWIN7) USB based Graph Utility Software for line waveform measurement
* USB I/O Module
USB IO module to interface 25 pin D connector on CIA panel to USB port enclosed in 25 pin D shell using Type A to mini B cable
* MIC Pre-Amplifier
Handheld electret microphone with preamplifier function block with DC gain= 1,AC gain=50
* Audio Amplifier & speaker
Amplifier gain 20, for audio range, Built in loud speaker - 8ohm / 500mw / earphone
* Level Shift card
2 No. level shifter converting ± 9 V to 0-2.5 V for PC interface
* Operating Voltage
220/240Vac switch settable ± 10%, 50Hz/35VA
* Mechanical Dimensions
(A)Master Unit : mm(w), 160mm (H),350mm(D),Net
weight 7.5kg. Gross Wt. : 9.51kg.
(B) Panel : 215mm(w),165mm(H),40mm(D), Net Weight =700gm approximately.
(C) Patch Cords:4mm male to patchcords 16
Nos.[2-120mm length, 14-500mm length]
Modular experiment panels- Select one or more to work
1) RPM / BPM / HRM / Pulse Oximeter Expt. Panel (BM1) (Provided with 16 banana & 3 test points)
¨ Function Blocks used:
· LED driver @350Hz, RED & IR LED, I to V
converter circuit, Sample & hold c i r c u i t , B l o o d pressure Sensor (300mm Hg)mounted inside panel, Shares MIC with pre-amplifier and loudspeaker with Audio amplifier from master Unit Band pass filters (11Hz & 1.6Hz) Analog wave to square wave converter, Wheastone Bridge, Instrumentation amplifier circuit (Gain=X50 & X 1),Skin Contact Measurement go/no go circuit, AC Amplifier (X20 gain)
¨ Detachable Sensor Modules / Electrodes: · i)Pulse oximeter probe / Module
ii)Lie detector With CAL & Temperature sensor, iii)Sphymomanometer / blood pressure apparatus,
iv)Electronic stethoscope probe / Module using Electret MIC
* Power Supply Dc supply
5V / 1A, /- 12V, 500mA
0 to 15V DC (Variable) / 100mA.
0 to -15V DC (Variable) / 100mA.
* Computer Interface (CIA)
Optoisolated Adaptor prevent to PC parallel port (25 pin PLT) due to wrong connections. Interfaces through 25 pin M to F cable 1mtr Length.P4XP not in scope of supply.
4DAC channels : 0 to 2.5V full scale.
1 DAC channels : O/P 2.5 V full scale
V to I Function block : Input : 0-2.5Vdc
Output: 0-20 or 4-20mA,in 100E load Max
V to PWM function block: I/P -0-2.5V, O/P-1KHz PWM O/P±9V.
* PC Software
PC (P4/XWIN7) USB based Graph Utility Software for line waveform measurement
* USB I/O Module
USB IO module to interface 25 pin D connector on CIA panel to USB port enclosed in 25 pin D shell using Type A to mini B cable
* MIC Pre-Amplifier
Handheld electret microphone with preamplifier function block with DC gain= 1,AC gain=50
* Audio Amplifier & speaker
Amplifier gain 20, for audio range, Built in loud speaker - 8ohm / 500mw / earphone
* Level Shift card
2 No. level shifter converting ± 9 V to 0-2.5 V for PC interface
* Operating Voltage
220/240Vac switch settable ± 10%, 50Hz/35VA
* Mechanical Dimensions
(A)Master Unit : mm(w), 160mm (H),350mm(D),Net
weight 7.5kg. Gross Wt. : 9.51kg.
(B) Panel : 215mm(w),165mm(H),40mm(D), Net Weight =700gm approximately.
(C) Patch Cords:4mm male to patchcords 16
Nos.[2-120mm length, 14-500mm length]
Modular experiment panels- Select one or more to work
1) RPM / BPM / HRM / Pulse Oximeter Expt. Panel (BM1) (Provided with 16 banana & 3 test points)
¨ Function Blocks used:
· LED driver @350Hz, RED & IR LED, I to V
converter circuit, Sample & hold c i r c u i t , B l o o d pressure Sensor (300mm Hg)mounted inside panel, Shares MIC with pre-amplifier and loudspeaker with Audio amplifier from master Unit Band pass filters (11Hz & 1.6Hz) Analog wave to square wave converter, Wheastone Bridge, Instrumentation amplifier circuit (Gain=X50 & X 1),Skin Contact Measurement go/no go circuit, AC Amplifier (X20 gain)
¨ Detachable Sensor Modules / Electrodes: · i)Pulse oximeter probe / Module
ii)Lie detector With CAL & Temperature sensor, iii)Sphymomanometer / blood pressure apparatus,
iv)Electronic stethoscope probe / Module using Electret MIC