About Polygraph Two Channel Model
Polygraph Two Channel Model : ETPL-328
A MAIN CONSOLE :
- Standard table top housing:-
- 10 Speed noise free chart drive
- Ink pen recording system
- Power Supply
- Housing for amplifiers
- Time & Even Channel
B AMPLIFIERS :
They are modular interchangeable and one can easily plug them in or out
in few seconds. One will have to select an appropriate amplifier for the
recording of a particulars parameter. The amplifiers are incorporated with 50Hz
notch filter IN & OUT toggle switch to cut off unwanted 50 cycles interference.
Types of Amplifiers:-
- Ultra low noise, ultra low drift, ultra high sensitivity
- Universal Bio-amplifiers Model a-201. 01 No.
- EKG Phone pulse Amplifier. Model a-205. 01 No.
C TRANSDUCERS :
- A transducer is a device which converts one form of Physical energy to electrical energy.
- Types of Transducer :
- Pressure Transducer strain Gauge 01 No.
- Volume Transducer (Plethysmograph) 01 No.
- Heart, Smooth Muscle, isotonic Muscle, isometric force Transducers. 01 No.
- Respiration Transducers (Thermister type) 01 No.
- Photo electric Pulse Transducer 01 No.
- Surface Temperature Probe 01 No.
- Internal Temperature Probe 01 No.
- Phono Cardiogram Transducer 01 No.
- Respiration Belts (Stethograph Type) 01 No.
D ACCESSORIES :
The following accessories are provided with each console :-
- EKG Limb electrodes with straps 2 Nos.
- Chest electrodes 1 No.
- EEG electrodes 8 Nos.
- Extra pen ink writing 1 No.
- Extra pen cradle 1 No.
- Ink half liter capacity 1 No.
- EEG Paste 1 No.
- ECG Jelly tube 1 No.
- Three pin junction box 1 No.
- Fuses 6 Nos.
- Earthin cord 1 No.
- Instruction Manual 1 No.
- Machine cover 1 No.
- Chart Paper z fold 2 No.
Advanced Sensor SensitivityEquipped with high-sensitivity sensors for pulse, respiration, and electrodermal activity, this polygraph ensures precise physiological monitoring. Each channel can be calibrated independently, offering tailored adjustment for a wide array of applications, from scientific research to psychological analysis.
Comprehensive Record-KeepingExperience real-time analog data output with the in-built moving chart recorder, featuring a generous 120 mm paper width. The system is engineered for both accuracy and clarity, making it suitable for demonstration, teaching, and evidence documentation.
Designed for Versatility and DurabilityConstructed from stainless steel and ABS plastic, the instrument is built to endure rigorous laboratory use. Its desktop configuration, moderate weight, and integrated manual/semi-automatic operation modes ensure user convenience and adaptability across various research environments.
FAQs of Polygraph Two Channel Model:
Q: How is the Polygraph Two Channel Model used in psychological and physiological analysis?
A: This polygraph records real-time physiological responsessuch as pulse, respiration, and skin conductivityusing high-sensitivity sensors across two independent channels. Researchers and educators can assess responses during experiments related to psychology, lie detection, and human physiology.
Q: What are the included accessories and how do they enhance usability?
A: The package includes a pulse sensor, respiratory belt, and electrodermal/galvanic skin response sensors, as well as a power cord. These accessories enable comprehensive monitoring of various physiological markers, supporting a range of scientific and educational applications.
Q: When should I recalibrate the system, and how is it performed?
A: The device is factory pre-calibrated for immediate use. Manual recalibration is recommended if used in a new environment or after extended operation, and is accomplished via the provided adjustment controls for precise channel sensitivity.
Q: Where is this polygraph system typically installed and operated?
A: Designed for desktop or bench top use, the polygraph is well-suited to research laboratories, academic institutions, and lie detection facilities, capitalizing on its compact size and stable mounting design.
Q: What are the primary benefits of using this polygraph model in research?
A: The instrument offers highly sensitive, two-channel monitoring, real-time paper-based data output for trustworthy results, and independent channel control, which collectively streamline experimental procedures and ensure robust data integrity.
Q: How does the analog graphical recording function work?
A: Data from the physiological sensors is continuously captured and displayed as analog graphs on a moving paper chart, with a width of approximately 120 mm. This tangible output allows for easy review, archiving, and presentation of results.