CONTEC ECG300GA 3-Channel ECG Machine with Automatic Interpretation
An electrocardiograph that collects all 12 leads at once and prints them in 3 channels on 80 mm paper, measuring intervals and axes and giving an automatic interpretation. It runs on mains or battery. The automatic interpretation assists; the diagnosis is the physician's decision.
2-year warranty
On CONTEC devices, from the date of purchase.
Lifetime service
Service and genuine spare parts, after the warranty too.
Accredited maintenance centre
By the General Authority for Industrial Control.
Direct CONTEC agent
In the medical equipment trade since 1987, with 4 branches.
This device may suit you if...
The final choice is made with the physician. These are the uses the device is made for.
A cardiology or internal-medicine clinic
A 12-lead ECG printed 3 channels at a time, faster than single-channel.
You want ready measurements
HR, P-R, QRS, Q-T, Q-Tc and axes come with the recording.
Home visits or outreach
The battery lasts up to 8 h with up to 120 minutes of printing.
3 channels in one line: the machine records all 12 leads together and prints 3 per row, so a full ECG fits on one sheet quickly.
ECG300GA features
12 leads at once
The screen shows the leads, print mode, sensitivity, speed and filter together.
Automatic measurement and interpretation
HR, P-R, P, QRS, Q-T, Q-Tc, P/QRS/T axes, R(V5), S(V1).
Many print formats
Manual, auto 4×3, 3×4+1, 3×4, 2×6+1 and 2×6.
15-case memory
For case review, with PC software transfer.
Lithium battery
Up to 8 h work, 120 min printing and 150 ECGs.
Digital filters
Mains, baseline and EMG filters, 1000 Hz sampling.
Technical specifications
Safety
- Electrical safety class
- Class I, type CF defibrillation-proof applied part
Monitoring
- Channels
- 3 channels
- Leads
- Collects all 12 leads simultaneously
- Automatic analysis
- Automatic measurement and interpretation: HR, P-R, P, QRS, Q-T, Q-Tc, P/QRS/T axes, R(V5), S(V1), R(V5)+S(V1)
- Analysis software
- Sync transmission with PC software
- Signal specifications
- 0.05–150 Hz response, CMRR > 60 dB (> 100 dB with filter), noise ≤ 15 µVp-p, input impedance ≥ 50 MΩ, 1000 Hz sampling, polarization voltage ±500 mV
Display
- Display
- Screen showing the 12 leads, print mode, sensitivity, paper speed and filter state together
- Printing
- Thermal printer
- Recording paper
- 80 mm × 20 m
- Print modes
- Manual, auto 4×3, 3×4+1, 3×4, 2×6+1 and 2×6; print time adjustable
Data & connectivity
- Data storage
- 15 cases in internal memory
Power
- Battery
- 7.4 V 2000 mAh rechargeable lithium: up to 8 h work, 120 min printing, 150 ECGs
- Power input
- AC 100–240 V, 50/60 Hz
Physical
- Weight
- 1.5 kg
- Dimensions
- 315 × 215 × 77 mm
Warranty & after-sales
- Ali Ben Ali warranty
- 2 years
Compare with other Electrocardiograph devices
| ECG300GAThis page | ECG100GGo to product | ECG1200GGo to product | |
|---|---|---|---|
| Channels | 3 channels | Single channel | 12 channels |
| Leads | Collects all 12 leads simultaneously | – | Standard 12 leads, simultaneous |
| Display | Screen showing the 12 leads, print mode, sensitivity, paper speed and filter state together | STN-LCD showing the waveform | 800×600 high-resolution colour LCD |
| Printing | Thermal printer | High-resolution thermal printer (8 dot/mm), printing the waveform with lead mark, sensitivity, speed and filter state | Thermal printer |
| Recording paper | 80 mm × 20 m | 50 mm × 20 m | 210 mm × 20 m |
| Automatic analysis | Automatic measurement and interpretation: HR, P-R, P, QRS, Q-T, Q-Tc, P/QRS/T axes, R(V5), S(V1), R(V5)+S(V1) | – | Automatic measurement: HR, P-R, P, QRS, T, Q-T, Q-Tc, P/QRS/T axes, R(V5), S(V1), R(V5)+S(V1) |
| Data storage | 15 cases in internal memory | – | – |
| Battery | 7.4 V 2000 mAh rechargeable lithium: up to 8 h work, 120 min printing, 150 ECGs | 7.4 V 2000 mAh rechargeable lithium: up to 7 h standby, 4 h continuous printing, 150 ECGs | 14.8 V 3700 mAh rechargeable lithium battery |
| Weight | 1.5 kg | 1.5 kg | – |
| Dimensions | 315 × 215 × 77 mm | 315 × 215 × 77 mm | 334 × 320 × 85 mm |
| Ali Ben Ali warranty | 2 years | 2 years | 2 years |
A dot next to a value means it differs from the device on this page.
Frequently asked questions
About the ECG300GA
What is the difference between the ECG300GA and the ECG1200G?
Both collect all 12 leads at once. The ECG300GA prints 3 channels on 80 mm paper and weighs 1.5 kg; the ECG1200G prints 12 channels on 210 mm paper and has an 800×600 colour screen.
Does the automatic interpretation replace the physician?
No. The machine measures and proposes an interpretation; the final diagnosis is the physician's decision.
Are paper and leads available?
Yes, 80 mm thermal paper, lead cables, limb and chest electrodes are available from us.
What power supply does it need?
AC 100–240 V, 50/60 Hz, with a 7.4 V 2000 mAh rechargeable lithium battery.
Is it safe with a defibrillator?
The input is defibrillation-protected; it is Class I with a CF applied part.
About buying medical devices from Ali Ben Ali
Is the device genuine, and how can I be sure?
We are a direct agent of the manufacturer; the device comes straight from the factory with the Ali Ben Ali warranty. You can also see it in person at any of our branches before you buy.
About usIs the device registered with the Egyptian Drug Authority?
Yes, this device is registered with the Egyptian Drug Authority.
How long is the warranty, and who provides it?
2 years from Ali Ben Ali from the date of purchase, on CONTEC devices. We honour it directly, not through a third party; for any coverage question call the hotline 01212333328.
Maintenance centresIf the device breaks after the warranty, who repairs it?
Our maintenance centre at 31 El Rashidy St – Kasr El Aini, accredited by the General Authority for Industrial Control. Service and genuine spare parts stay available for the device's whole life.
Maintenance centresCan I return or exchange the device?
Yes, within 14 days of delivery, if it is unused, complete with its accessories and in its original packaging. If it arrives defective or different from your order, we replace it or refund it in full. Masks, tubing and any items that contact the patient cannot be returned once opened, for hygiene reasons. Return shipping is on us for a defect or a wrong item; otherwise the customer pays it, unless a free-shipping offer applies.
Exchange and returns policyDo you deliver and install? Should I buy online or at a branch?
We deliver and install in 27 governorates within Egypt. Shipping fees are set after you order and agreed with you by phone or WhatsApp before dispatch. Order on the website or on WhatsApp, or visit our branches: Rashidy and Bostan in Cairo, Alexandria and Mansoura.
Branches and contactCustomer reviews
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Specifications last updated: 2026-09-15


















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