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Zeromag ZM100A Demagnetiser for Hire

Stock Code:
ZM100A-H
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Description

The Diverse Zeromag ZM100A is a demagnetising system for steel pipes and plates. Zeromag is used to reduce the magnetic field levels in welding joint preparations to levels which are low enough to enable welding to proceed. Its novel technology has been solving this problem for welders around the world for over 15 years. The solution is fast (ready to weld in just a few seconds), deep penetrating (will easily handle 50mm thick wall size) and easy to use.

Zeromag is used to eliminate arc blow which can occur when the parts to be welded are magnetic – this shows up as high magnetic field levels in the joint preparation.

Even when weak magnetic fields are present in the steel, the effect of the reduction in face area in a V or J weld preparations serves to concentrate the magnetic flux. Consequently, the value in the joint preparation can easily be several hundred gauss and fields reaching 1000 gauss are possible.

Working with large pipes, Zeromag can reduce magnetic field levels to a few gauss even with residual field levels of over 1000 gauss.

With Zeromag, you are in control – you can see the magnetic field level in the weld area, control Zeromag either manually or automatically and see the magnetism shrink to zero. You then know its clear to weld unimpeded.

Features:
• Portable low cost weld preparation demagnetism
• 100% success rate
• Cancels magnetism to prevent arc blow
• Uses proprietary DIVERSE technology
• Reduces or eliminates weld repairs caused by magnetic arc blow
• Compact rugged construction
• Can be used in conjunction with preheat
• Rapidly deployed and simple to operate
• One person operation
• Robust and portable

Specifications:
Magnetic field reduction: Typically reduced 20x for most weld scenarios magnetic field reduced to <10 Gauss
Gaussmeter measurement range: 0 to +/-1800 Gauss
Resolution: 1 Gauss
Magnetic Probe Size: 5mm x 20mm x 100mm long. Encased in stainless steel
Controls: Auto/Manual switch; 2 push buttons to start and stop automatic mode; Manual adjustment control used for manual override; Gaussmeter null
Current Output range: 0 to +/-100 Amps max
Output voltage range: 0V to 15V
Magnetic field nulling time: 3 seconds typical
Manual Control: -100A to +100A continuously variable with 10 turn control
Auto Control: Auto-tracking and nulling of magnetic field
Line Power: Line voltage range 90V - 265V ac 48 - 62Hz Power 1.8kVA
Temperature – operating: -20C to 50C
Temperature – storage: -40C to 85C
Humidity: 0 - 90%, non-condensing
Environmental: Not water proof so do not operate or store in a wet environment
Weight: 26kg
Dimensions (W x L x H): 520 x 220 x 550mm
Storage/shipping case dimensions: Zeromag WxLxH 62 x 26 x 63, weight 35kg; Accessories WxLxH 62 x 26 x 53, weight 28kg
Calibration: Calibrated by Diverse to NPL traceable standard
Housing: Built into a carrying case to enable it to be used on site; 19” portable rack, 4U
Demagnetising cable: 50m + 50m. Options: bobbins and clam coils
EMC: Validated to CE and FCC standards for emissions and immunity

Minimum Hire: 7 days (1 week)

Details

  • Brand:
    Alphaweld Welderentals
  • Unit/Pack:
    DAY