3Ray 3312G 12-Channel Digital ECG Machine

Accurate pulse pace identification and automatic analysis function
Working modes: Manual / Auto / Analysis / Storage
215mm, 12-channel format recording
800×480 graphic7 inch color LCD screen
12 leads synchronously acquisition and display
Alphanumeric keyboard for operation and input
250 patient cases save and replay (extendable)
Adapt to 110-230V, 50/60Hz power supply
Built-in rechargeable Li-ion battery
USB / Rs232 interface. Can be connected to Network, USB Disk, Printer, and Code Scanner. ECG software is optional
High-resolution thermal printing available for 215mm roll paper or 210mm*140mm Z-fold paper

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Product feature illustration

Lead	Standard 12 leads	Time constant	≥3.2s
lead acquisition	12bit/1000Hz(synchronously 12 leads)	Frequency response	0.05~160Hz(-3db)
Work mode	Man / Auto/Analysis/Storage	Noise level	<15μVp-p
Filter	AC Filter : 50Hz / 60Hz EMG Filter : 25Hz / 45Hz Anti-Drift Filter : 0.15Hz (Adaptive)	Inter-channel Interference	≤0.5mm
CMMR	≥100dB (with AC FILTER)	Sensitivity	5,10,20, 40, Auto (mm/mV)
Input circuit	Floating; Protection circuit against Defibrillator effect	Recording mode	3ch+++,6ch,6ch+,12ch Default Man. Mode is 3ch+ format Default Auto. Mode is 12ch+ format
Input Impedance	≥50MΩ	Paper speed	6.25,12.5,25,50mm/s(±3%)
Input circuit current	≤0.05μA	Paper	215 mm * 20m Roll paper
Patient current leakage	<10μA	Communication	RS232/ USB port
Calibrating voltage	1mV±2%	Power Supply	AC 110-230V(±10%), 50/60Hz(±1Hz), 60VA DC Built-in rechargeable battery, 14.4V(4400mmAh)
Voltage tolerance	≥±500mV	Dimension/Weight	330mm×270mm×72mm/3.8Kg

Product feature illustration