Handheld Blood Bag Tube Sealer
Portable RF-powered tube sealer for sterile closure of blood bags and laboratory tubing, delivering 800-1000 seals per charge with 1-2.5 second sealing time.
| Automation Level | semi-automated |
| Radio Frequency Output | 40.68MHz±10KHz |
| Sealing Radio Frequency(RF) Consumption | 30W |
| Battery | 24V, 4000mAH |
| Number of Heat Sealings | It takes 3 hours to fully charge the battery, and it can perform 800~1000 heat sealings(depending on |
| Sealing Type | Automatic |
The Handheld Blood Bag Tube Sealer is a portable radio frequency sealing device designed for sterile tube closure applications in healthcare and research environments. Operating at 40.68 MHz with 30W RF power output, this battery-powered unit provides rapid heat sealing of PE or PVC tubing (2-7mm outer diameter, ≤1.5mm wall thickness) in 1-2.5 seconds. The automatic sealing mechanism ensures consistent closure quality while maintaining portability for point-of-use applications.
The system includes a heat sealing handle connected to a control box via 2-meter cable, powered by a 24V 4000mAH rechargeable battery capable of 800-1000 sealing cycles per charge. Standard accessories include canvas carrying bag and charger, making this unit suitable for mobile laboratory operations and field applications requiring sterile sample containment.
How It Works
The sealing mechanism operates through radio frequency heating at 40.68 MHz ±10 KHz, generating localized thermal energy in the tubing material. When the sealing jaws contact the tube, RF energy creates molecular friction within the PE or PVC polymer, rapidly raising the temperature to the material's melting point. The automatic pressure application during the 1-2.5 second cycle creates a hermetic seal as the heated material fuses and cools.
The 30W RF power output provides consistent heating across the specified tube diameter range (2-7mm) while the automatic timing control ensures reproducible seal quality. The system monitors sealing parameters to prevent overheating that could compromise tube integrity or create incomplete seals that might fail during handling or transport.
Features & Benefits
Automation Level
- semi-automated
Radio Frequency Output
- 40.68MHz±10KHz
Sealing Radio Frequency(RF) Consumption
- 30W
Battery
- 24V, 4000mAH
Number of Heat Sealings
- It takes 3 hours to fully charge the battery, and it can perform 800~1000 heat sealings(depending on
Sealing Type
- Automatic
Sealing Time
- 1~2.5s
Suitable Materials
- PE or PVC, with an outer diameter of 2~7mm and a wall thickness of ≤1.5mm
Power/Voltage
- Input: AC100~240V, 50Hz/60Hz, 0.7A; Output: DC 24V
Consumption
- Working: 150W; Standby: 3W
Components
- Heat sealing handle+control box
Standard Accessories
- Canvas portable bag, 2-meter-long connecting cable, charger
External Size(W*D*H)mm
- 145*205*55
Packing Size(W*D*H)mm
- 215*315*115
Net Weight(kg)
- 2
Brand
- ConductScience
Research Domain
- Cell Biology
- Clinical Diagnostics
- Environmental Monitoring
- Food Science
- Microbiology
- Pharmaceutical QC
Weight
- 4.41 kg
Dimensions
- L: 8.07 mm
- W: 5.71 mm
- H: 0.28 mm
Comparison Guide
| Feature | This Product | Typical Alternative | Advantage |
|---|---|---|---|
| Power Source | 24V 4000mAH rechargeable battery with 800-1000 sealing cycles per charge | Many units require continuous AC power connection | Enables field use and mobile laboratory operations without external power requirements |
| Sealing Speed | 1-2.5 second automatic sealing cycle | Manual units often require longer dwell times | Reduces processing time and increases throughput for high-volume applications |
| RF Frequency | 40.68 MHz ±10 KHz with 30W power output | Entry-level models may use lower frequencies | Provides consistent heating across specified tube diameter range with reliable seal formation |
| Tube Compatibility | 2-7mm outer diameter, ≤1.5mm wall thickness for PE/PVC materials | Some units limited to narrower diameter ranges | Accommodates standard laboratory and clinical tube sizes for versatile sample handling |
| Automation Level | Automatic timing and pressure control | Manual units require operator timing and pressure application | Eliminates operator variability and ensures consistent seal quality across users |
| Portability | 2kg system weight with canvas carrying bag and 2-meter cable | Benchtop units typically heavier with fixed positioning | Supports point-of-use applications and transport between work sites |
This handheld sealer combines RF heating technology with battery-powered portability for sterile tube closure applications. The automatic sealing control and wide tube compatibility range make it suitable for diverse laboratory and clinical sample handling workflows requiring reliable containment.
Practical Tips
Allow sealed tubes to cool for 5-10 seconds before handling to ensure complete seal formation and prevent accidental opening.
Why: The thermoplastic material requires cooling time to achieve maximum bond strength and seal integrity.
Clean sealing jaws with isopropyl alcohol between different sample types to prevent cross-contamination.
Why: Residual material on jaws can compromise seal quality and introduce contaminants to subsequent samples.
Perform test seals on sample tubing before starting a batch to verify proper heating and seal formation.
Why: Confirms system is operating within specified parameters and prevents sample loss due to inadequate seals.
Inspect each seal visually for complete fusion across the tube diameter before sample transport or storage.
Why: Incomplete seals may fail during handling, leading to sample contamination or loss of sterility.
Allow the RF generator to cool between intensive sealing sessions to prevent overheating and maintain consistent performance.
Why: Excessive heat buildup can affect sealing quality and potentially damage the internal circuitry.
If seals appear weak or incomplete, verify tube material compatibility and check battery charge level before adjusting sealing parameters.
Why: Material incompatibility or low battery power are common causes of poor seal formation.
Position tubes perpendicular to sealing jaws and ensure complete contact across the tube diameter for uniform heating.
Why: Proper alignment ensures even heat distribution and prevents partial seals that may fail under pressure.
Recharge the battery after every 500 sealing cycles or at the end of each work day to maintain optimal performance.
Why: Regular charging prevents deep discharge conditions that can reduce battery life and sealing power output.
Setup Guide
What’s in the Box
- Heat sealing handle with RF generator
- Control box with battery pack
- 2-meter connecting cable
- AC charger (100-240V input)
- Canvas portable carrying bag
- User manual and operation guide (typical)
- Warranty documentation (typical)
Warranty
ConductScience provides a one-year manufacturer warranty covering defects in materials and workmanship, with technical support available for troubleshooting and operational guidance.
Compliance
What tubing materials and dimensions are compatible with this sealer?
The unit seals PE or PVC tubing with outer diameter of 2-7mm and wall thickness ≤1.5mm. Material compatibility is limited to these thermoplastic polymers due to RF heating characteristics.
How many seals can be performed on a single battery charge?
The 24V 4000mAH battery provides 800-1000 heat sealing cycles per charge, depending on tube material and sealing conditions. Full recharge requires 3 hours.
What is the typical seal time and can it be adjusted?
Automatic sealing time ranges from 1-2.5 seconds depending on tube material and thickness. The system uses automatic timing control for consistent results.
Is the seal quality reproducible across different operators?
Yes, the automatic sealing mechanism eliminates operator variability in timing and pressure application, ensuring consistent seal formation regardless of user technique.
What power supply options are available for extended use?
The unit operates on internal 24V battery for portability, with AC100-240V charger (50/60Hz) for recharging. Working power consumption is 150W during sealing operations.
How portable is the system for field applications?
The complete system weighs 2kg with 145×205×55mm dimensions, includes 2-meter connecting cable for flexible positioning, and comes with canvas carrying bag for transport.
What maintenance is required for consistent performance?
Regular cleaning of sealing jaws and periodic battery conditioning are recommended. Consult product datasheet for specific maintenance intervals and procedures.
Can this unit seal tubes containing liquid samples?
The sealer is designed for tube closure applications, but liquid presence may affect seal quality. Test with specific sample types to verify sealing performance and integrity.
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