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Permanent Magnets Limited

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Measuring Instruments & Equipment

Leading Manufacturer, Supplier & Retailer of ELF Gaussmeter, AXIS AC MAGNETIC FIELD METER, THREAD THROUGH METERS and Ef Ac Magnetic Field Meter.

ELF Gaussmeter

Lightweight and completely self contained, the easy to use Model 4180 ELF Meter is ideal for commercial or laboratory use. The Model 4180 accurately measures Extremely Low Frequency Magnetic Fields generated by electrical equipment. Applications include detecting magnetic field emissions from a wide variety of sources, including video display terminals, AC power lines, office equipment, household appliances, and all types of electronic equipment.

Key features include Min./Max./Peak Hold, Auto Range, and user may select Gauss or Tesla Readings.

The 4180 Series Hand-Held Gaussmeter's built-in software eliminates the need for complex calibration procedures.

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AXIS AC MAGNETIC FIELD METER

A cost effective, handheld, single-axis AC magnetic field meter that provides quick & reliable measurements of electromagnetic field (EMF) radiation generated by external sources like power lines, electrical wiring, motors, audio/visual equipment and other devices.

Note:No probe is required- just position this Gaussmeter in the affected area.

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THREAD THROUGH METERS

Energy meter CTs made using hybrid cores are DC immune current transformers for energy meters meeting IS 13779 / IEC 62053. The CT is small in size with customized casing and metal shield, (optional) for protection against external magnetic field. The wound CT is epoxy potted for durable and long life performance. Number of turns can be wound/adjusted as per customer requirements. CTs can be provided with or without metal shield in custom casings.

 Model   CT (20-120 Amps)
    Inductance   80-270H
    DC Resistance   80-100 ohms
    No. of turns   2500
    Operating temp.   -40° C ≈ 70° C
    Storage Temp   -40° C ≈ 85° C
    Core material   Nano crystalline and Amorphous (Hybrid)
    Accuracy   0.1 class
Mechanical Specification:
    Plastic Casing   Nylon 6 / ABS / PC / PBT ( as per customer spec)
    Secondary termination   PVC / PTFE multi-strand wires or pcb solder pins
    Approx wt.   As per model
Metal shield   Zinc plated Mild Steel, app 1.5 /1.6mm thick, deep  drawn
    Epoxy material   Non- hygroscopic Transparent / black potting material
    Primary conductor   Finished CTs with 8 / 9 mm dia hole or with built-in copper bus bar/braided wire of suitable current rating
 

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