Product Description :
The Contec 300GA is a digital electrocardiograph that acquires all 12 leads simultaneously but prints in a clear, 3-channel format. It features a 3.5-inch TFT color screen for real-time waveform monitoring and uses advanced digital signal processing (DSP) to eliminate electrical noise. With its built-in rechargeable battery and light weight (approx. 1.8 kg), it is ideal for bedside examinations, emergency rooms, and home visits.
Technical Specifications :
| Category | Specification |
| Lead System | Standard 12-lead (Simultaneous acquisition) |
| Input Mode | Floating, with protection against defibrillation and pacemakers |
| Display | 3.5-inch TFT Color LCD (High-resolution) |
| A/D Conversion | 12-bit |
| Sampling Frequency | 1000 Hz |
| Frequency Response | 0.05 Hz to 150 Hz |
| Common Mode Rejection (CMRR) | $> 60\text{ dB}$; $> 100\text{ dB}$ (with filters active) |
| Filters | AC (50/60Hz), EMG (25/35Hz), and Baseline Drift filter |
| Sensitivity | 2.5, 5, 10, 20, 40 mm/mV (Accuracy $\pm 5\%$) |
| Paper Speed | Auto: 25, 50 mm/s | Manual: 5, 6.25, 10, 12.5, 25, 50 mm/s |
| Printer Type | Thermal array printing system (8 dots/mm) |
| Paper Size | 80 mm (W) x 20 m (L) High-speed thermal roll |
| Internal Memory | Storage for more than 1,000 patient records |
| Safety Classification | Class I, Type CF (Defibrillation-proof applied part) |
| Patient Leak Current | $< 10\mu\text{A}$ |
| Power Supply | AC: 100V–240V (50/60Hz) | DC: 7.4V, 3700mAh Li-battery |
| Battery Performance | ~90 mins continuous printing / 4 hours standby |
| Dimensions | $315 \times 215 \times 77\text{ mm}$ |
| Weight | Approximately 1.6 kg to 1.8 kg |
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