RDM HSB-1 Laboratory Heat Sealer

//RDM HSB-1 Laboratory Heat Sealer
  • RDM HSB-1 Laboratory Heat Sealer

RDM HSB-1 Laboratory Heat Sealer

Laboratory Heat Sealer for standard determination of heat seal threshold. produces seals 5 to 25mm wide and up to 300mm long. Precise control of heat sealing process variables (temperature, pressure, and dwell time), enables an optimal balance of material specification, packaging machine speed and seal integrity. Accuracy and repeatability in laboratory heat seal testing is vital, and the HSB-1 provides a standard range of controls for this purpose, that may be upgraded as required to precision digital controls.

Product Description

  • Choose heat sealing bar configuration, either single (upper) or dual (upper & lower, meets ASTM F2029)
  • User can easily change sealing bar for various surface areas or surface f inishes
  • Accurate and repeatable seals due to precision ground sealing faces and jaw guidance system
  • Versatile applications for flexible materials, blister packs and pots
  • Low Maintenance – 12 months between calibrations
  • Pressure calibration of standard surface area jaw face
  • Temperature digital controller, pressure and dwell time dial controllers (upgrade to precision digital controllers as required)
  • Jaws constructed in aluminum and silicon with precision ground faces
  • Range of jaw face surfaces including Matched Crimp and Teflon Coating

  • Temperature Control:
    • 0 – 300C (0 – 572C) 0.1C resolution ±0.5% ±1 digit accuracy.
    • Operating temperature accuracy ±2C.
  • Resistance Type: ‘J’ thermocouple sensing. Single independent or dual independent control.
  • Pressure:
    • 0 – 100 psi (0 – 6.8 bar, 0 – 689 kpa) via digital pressure display.
    • control of pressure via precision regulator.
    • repeatability ±0.02 psi operating accuracy ±5% supply via factory compressed air line or nitrogen or compressed air bottles min 6 bar (90 psi) max. 10 bar(145 psi). pressure medium must be clean and dry.
  • Dwell Time:
    • 0.1 – 99.99 sec.
    • 0.01 sec resolution real time base via quartz crystal, digital timer ±0.01% of range, Operating accuracy ±5% (taking into account friction in piston movement)
  • Footswitch:Connection port for footswitch operation. Optional footswitch.
  • Sealing Jaw Std:
    • Single jaw options- Top heated with silicone rubber (60 shore hardness) 5 mm – 25 mm wide x 300 mm long.
    • Jaws made from aluminum with machine ground flat face.
  • Dual jaw option:
    • Top and lower headed 5 mm – 25 mm wide x 300 mm long.
    • Jaws made from aluminum with machine ground flat face.
  • Environment: 5 – 50C ambient operating temperature, TH 75% max (non-condensing)
  • Power: 240V AC 50/60Hz (110V AC voltage available on request)


  • Footswitch PVC Dust cover Up-grade to digital pressure readout with calibrated pressure transducer.
  • Up-grade to digital dwell timer.
  • Alarm package for temperature over and under band (selectable).
  • Pressure High/Low alarm.
  • When alarm activated audible alarm sound and inhibit of sealing initiated.
  • Crimp profiled slide-on jaws 120 deg x 1.8 mm pitch.
  • Cold Seal Option (temperature circuit removed) supplied with flat or crimp profiled jaws.
  • Teflon coated tape or permanent Teflon coating Digital thermometer and s/s band probe to check the actual temperature of sealing Jaw.


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