• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Type: Medical Gas Equipments
  • Brand Name: Ronseda
  • Model Number: RSD 3312B
  • Place of Origin: Guangdong, China (Mainland)
  • Size: 7 inch color LCD
  • Working modes: Manual/Auto/R-R analysis/Storage
  • Certificate: ISO9001
  • Warranty: 12 Months
  • Frequency response: 0.05~160Hz(-3db)
  • Lead acquisition: 12bit/1000Hz(synchronously 12 leads )

Packaging & Delivery

Packaging Details 1 set/box
Delivery Time 3-5 days after full payment confirmed

BEST PRICE digital TWELVE channel ECG Machine




    Portable and delicate design, easy to operate

    Accurate pulse pace identification function

    High accuracy digital filter, automatic baseline adjustment

    Working modes: Manual, Automatic, Arrythmia Analysis, Storage

    215mm, 12 channel format recording, excellent automatic interpretation

    800x480 graphic 7 inch color LCD to simultaneously display ECG information

    250 patient cases storage ( SD card storage is optional )

    Detailed patient information record

    Alphanumeric keyboard to operate, very convenient to use 

    Adapt to 110-230V,50/60Hz power supply. Built-in rechargeable Ni-MH battery continuously working for to 4 hours.

    USB / Rs232 communication ports support USB storage, laser printer printing and PC ECG software ( Optional )    Technical Specifications  

    Leads: standard 12 leads  

    Lead acquisition:12bit/1000Hz(synchronously 12 leads )  

    Work mode: Manual, Auto, R-R analysis  


        AC filter: 50Hz / 60Hz                           

        EMG Filter: 25Hz / 45Hz                        

        Anti-Drift Filter: 0.15Hz (Adaptive)              

    CMMR: ≥120dB (with AC filter)    

    Input circuit: floating; protection circuit against defibrillator effect  

    Input Impedance: ≥50MΩ     

    Input circuit current: ≤0.05μA              

    Patient current leakage: <10μA  

    Calibrating voltage: 1mV±2%  

    Voltage tolerance: ≥±500mV  

    Time constant: ≥3.2s  

    Frequency response: 0.05~160Hz(-3db)  

    Noise level: <15μVp-p   

    Inter-channel Interference: ≤0.5mm  

    Sensitivity: Auto,2.5, 5, 10, 20,40mm/mV(±3%)

    Recording mode : 3ch+++, 6ch,6ch+,12ch

    .Default Man.Mode is 3ch+++ format

    .Default Auto.Mode is 12ch format  

    Paper speed: 6.25,12.5, 25, 50mm/s(±3%)  

    Paper : 215 mm X 20m roll paper/210 X 140mm Z-fold paper  

    Input dynamic range:±10Vpp  Sensitivity valve: ≤20μV  

    Display: 800x480 graphic 7 inch color LCD   

Standard Configuration  

    Main unit                      1 set  

    Patient cable                1 set  

    Limb electrode             1 set (4pcs)  

    Chest electrodes          1 set (6pcs)  

    Grounding cable           1 pc  

    Paper axis                    1 set  

    Thermal paper              1 roll  

    Fuse                             2 pcs  

    3-cord power cord        1 pc  

    AC Adaptor                  1 pc  

    User manual                1 pc


1. Price : all equipments price are based on standard configuration, our company has the right to change the price accordingly without notification in advance;

2. Quality Warranty: 12 months for the unit and 6 months for the accessories;

3. Delivery: 3-5 days after full payment by T/T reach us, or Irrevocable Sight L/C confirmed;

4. Way of Shipment: By flight or the way designed by the Buyer;

5. Payment Terms: T/T ,paypal,Western Union,etc.

6 .Valid: This quotation is effective for a year since Jan 01, 2015 thru Dec 31, 2015.

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
10 Transactions 130,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $50,000
Learn More