:: Teknik Ozellikleri Karsilastirma ::

Amplifier Karşılaştırma Tablosu

Teknik Özellikler
	ETH-256	ETH-401
Number of Channels	2	4
Operational Modes	Bridge ECG EMG	Bridge only
Gain	x1 x5 x10 x50 x100 x500 x1000 x5000	x1 x10 x100
High-Pass Filters (Hz)	DC 0,03 0,3 3	DC
Low-Pass Filters (Hz)	5 50 150 2K 10K	4/40
Power Source	12VAC, 1 Amp Wall Adaptor	12VAC, 1 Amp Wall Adaptor
Ground Isolation	None(optical withC-iso-2)	None
Input Impedance	10 G Ohms	10 G Ohms
Output Impedance	100 ohms	100 ohms
Input Connector	DIN 8	DIN 8
Output Connector	BNC	BNC
Offset Range	±5V at output	±10V at output
Output Current	10mA per Channel	10mA per Channel
Excitation Voltage (DC)	±5 VDC	±4 VDC
CMR	100 dB	100 dB

Dolaşım Sistemi

Physiological Parameters	Measurement Required	Sensing Devices Used	Typical Parameter Amplitude	Parameter Frequency (Hz)	Appropriate Amplifier	Accessories/ Sensors

Hear Potentials Electrodes	Electrocardiogram	Surface Electrodes	1 mV	0.05-80	ETH-256	A-GC-7165 Surface
Electrodes		Heart Electrodes	50 mV	0.05-80	ETH-256	A-GC-T165 Surface
Electrodes	Vector Cardiogram	Surface Electrodes	2 u V	0.05-80	ETH-256	A-GC-T165 Surface
Electrodes	Fetal Electrocardiogram	Surface Electrodes (mother)	10 u V	2-100	ETH-256	A-GC-7165 Surface
Blood Pressure	Direct Arterial Pressure at Brachial Artery	Pressure Transducer	120 mm Hg	DC-20	ETH-401 ETH-256	BP-100
	Direct Arterial Pressure at Femoral Artery	Mercury Manometer	120 mm Hg	DC-20	ETH-401 ETH-256	BP-100
	Direct Venous Pressure	Pressure Transducer	9 mm Hg	DC-20	ETH-401 ETH-256	BP-100
	Indirect Arterial Pressure	Sphygmomanometer	120/80 mm Hg		ETH-401	BP-600
		Korotkoff Microphone	150 mV	30-500	ETH-256

Solunum Sistemi

Physiological Parameters	Measurement Required	Sensing Devices Used	Typical Parameter Amplitude	Parameter Frequency (Hz)	Appropriate Amplifier	Accessories/ Sensors

Breathing	Pneumogram	Thermistor Pneumograph	500 cc/breath	0.05 - 2	ETH-401 ETH-256	SP-304 TM-100
Respiratory Flow	Pneumotachogram	Pneumotachograph w/Pressure Transducer	20,000 cc/mL	DC-2	ETH-401 ETH-256	SP-304 Flow Heads
Respiratory Volume	Spirogram	Spirometer	4,000 cc	DC-0.5	ETH-401 ETH-256	SP-304 Flow Heads

Beyin Fonksiyonları

Physiological Parameters	Measurement Required	Sensing Devices Used	Typical Parameter Amplitude	Parameter Frequency (Hz)	Appropriate Amplifier	Accessories/ Sensors

Electrical Activity	Electroencephalograph	Scalp Electrodes	50 u V	0.5-100	ETH-256	Electrocap Montage
		Intracranial Electrodes	500 u V	0.5-100	ETH-256
Evoked Activity	Intracellular Potentials	Microelectrodes	100 mV	1-10,000	ETH-256	DHS-300
	Extracellular Potentials	Needle Electrodes	50 u V	1-1,000	ETH-256
Eye Response	Electroretinogram	Contact Lens Electrode	100 u V	0.5-20	ETH-256

Kas Fonksiyonları

Physiological Parameters	Measurement Required	Sensing Devices Used	Typical Parameter Amplitude	Parameter Frequency (Hz)	Appropriate Amplifier	Accessories/ Sensors

Muscle Surface Strength	Myogram	Needle or Surface	1 mV	10-5,000	ETH-256	A-G-C7165 Electrodes
Muscle Surface Potentials	Electromyogram	Needle or Surface Electrodes	1 mV	10-5,000	ETH-256	A-G-C7165 Electrodes
GC-7165 Surface		Electromyogram w/needle or Surface Electrodes				ETH-256 A- Electrodes
Stimulation		Stimulate w/Surface Electrodes			ETH-256
Nerve Conduction	H Reflex Response	Electromyograph w/Reduced Stimulation			ETH-256
Conduction Velocity	Electromyograph			10-50,000	ETH-256	NBC-200
Smooth Muscle Activity		Electrogastrogram	Surface Electrode	20 mV	0.05-2	ETH-256
Organ Bath Studies		Force Transducer	5 gms	DC-4	ETH-401 ETH-256	FT-100 FT-302
Sweat Gland Activity	Galvanic Skin Response	Lead Surface Electrodes	50K Ohms	DC-5	GSR-200
	Electrical Skin Resistance	Lead Surface Electrodes	50K Ohms	DC-5	GSR-200
Body Temperature	Temperature	Thermistor Probe	98 o F	DC-0.1	ETH-401 ETH-256	TM-100

Oksijen Ölçümleri

Physiological Parameters	Measurement Required	Sensing Devices Used	Typical Parameter Amplitude	Parameter Frequency (Hz)	Appropriate Amplifier	Accessories/ Sensors

Dissolved Oxygen Electrode	Dissolved Oxygen	Clark Style Electrode	1-20 nA	DC-1	ETOX-M	Oxygen