Complaint
HE-03D/E 3 Channel Digital Electrocardiogram ECG Machine
| Lead | Standard 12 leads | Time constant | ≥3.2s |
| Lead acquisition | 12bit/32000Hz (synchronously ) | Frequency response | 0.05 - 160Hz ( -3db ) |
| Work mode | Manual / Auto / R-R Analysis/Storage | Noise level | <15uVp-p |
| Filter | AC Filter: 50Hz / 60Hz | Inter-channel interference | ≤0.5mm |
| EMG Filter: 25Hz / 45Hz | Sensitivity | Auto, 2.5, 5, 10, 20, 40mm/mV (±3%) | |
| Anti-Drift Filter: 0.15Hz ( adaptive ) | Recording mode | 1ch+, 3ch, 3ch+ Default Man.Mode is 3ch format Default Auto.Mode is 3ch+ format | |
| CMRR | ≥120dB ( with AC Filter ) | Paper speed | 6.25, 12.5, 25, 50mm/s (±3%) |
| Input circuit | Floating; Protection circuit against defibrillator effect | Paper | 80mm x 20m roll thermal paper |
| Input impedance | ≥50MΩ | Working environment | Temperature 5-40°C; Humidity 25-95% |
| Input circuit current | ≤0.05 uA | Power supply | AC 110-230V (±10%), 50/60Hz, 40VA |
| Patient current leakage | <10 uA | DC Rechargeable lithium battery, 14.4V, 2200mAh | |
| Calibrating voltage | 1mV±2% | Communication Port | USB, UART |
| Voltage tolerance | ≥ ± 500mV | Dimension / Weight | 214mm x 276mm x 63mm, 1.8kgs |
1. What about the price level?
We are confident that our prices are competitive compared with those at the same quality level, since we have stayed in this filed more than 20 years. And we always adhere to the principle of provide top quality products with competitive prices. We have already established our good fame in many countries, especially in Africa, Middle East, European, Asia and South American through year after year efforts.
2. Why we find some prices are very high compared with some other supplier, and from the picture or it's model number, all looks the same?
As China is still a developing country, there are only a few products with patent rights, and copy products I spread very fast in the market. Of course, the prices of those copy products with cheap material and less quality control are relatively cheaper.
3. What is time of delivery?
Since our products are produced according to each specific order, the delivery period will be 15 days after confirmation of order. If it is small or sample order, please do check with us about whether we have ready goods in stock to make delivery as soon as possible.
4. What about quality assurance?
We offer one year warranty period beginning from the time of shipment for medical equipment, Per minor problems, we can provide free spare parts for replacements, Per serious problems, we can make replacement of free charge.
5. What is payment terms?
T/T, Credit Card, L/C, Western Union, PayPal, MoneyGram.
