Electric Conduit Testing Equipment

Oil Bath

Approx Price: Rs 45,000 / Unit 

Test for resistance to oil for fittings for rigid non-metallic conduits is carried out by immersing the test specimen in insulation oil maintained at a temperature of 60 ± 1°C for a period of 48 hours. After this period, the fitting is taken out and kept at room temperature for 15 minutes. The fitting is than examined for the affect of oil.

The Globe Oil Bath for testing resistance to oil for fittings for rigid non-metallic conduits has double walled construction, with inner walls made of mild steel sheet and outer walls of CRCA sheet. The space between the two walls is filled with thermally insulating mineral wool. The top of the bath is made of stainless steel sheet and it is also provided with a stainless steel sheet lid. The oil in the bath is heated with the help of an electric heater and its temperature indicated and controlled by a digital temperature indicator-cum-controller. A motor-operated stirrer keeps the temperature uniform inside the bath. The equipment is complete with switch, fuse, indicators etc.

Related Specifications:

  • IS 3419 – 1989 : Specification for Fittings for Rigid Non-metallic Conduits

Collapse Tester

Approx Price: Rs 55,000 / Unit 

Collapse Tester For Rigid Non - Metallic Conduit

Non-metallic conduits used in electric wiring shall be sufficiently sturdy so as not to collapse when bent during laying. The ability of these conduits to bend without causing excessive deformation in their cross section or reduction in their cross-sectional area is determined by bending a portion of the conduit through an angle of 90°, maintaining it under bent condition for a period 24 hours inside a hot air oven maintained at a temperature of 60 ± 2°C, and subsequently passing a barrel shaped go-gauge through it. The gauge shall pass through the bent conduit under its own weight without any restriction.

 

This test is applicable to conduits of 16, 20, and 25 mm nominal sizes only.

 

The GLOBECollapse Tester for electrical conduits consists of a jig for firmly holding a test specimen taken from the conduit under test in a bent state and a stand to mount the jig in a vertical plane such that a barrel shaped gauge can be passed through the conduit under its own weight under the effect of gravity.

 

RELATED STANDARDS

 

IS 9537 (Part 1) - 1980 : Specification for Conduits for Electrical Installations


Part 1: General Requirements

 

IS 9537 (Part 3) - 1983 : Specification for Conduits for Electrical Installations


Part 3 : Rigid Plain Conduits of Insulating Materials

 

IS 9537 (Part 4) - 1983 : Specification for Conduits for Electrical Installations


Part 4: Pliable Self-recovering Conduits of Insulating Materials

Compression Tester for Rigid Non-Metallic Conduits

Approx Price: Rs 40,000 / unit 

Conduits used in electrical installations shall possess adequate mechanical strength. One of the tests used for ascertaining the mechanical strength of conduits is the compression test. In this test, a test specimen taken from the sample of conduit under test is placed on a rigid flat surface and pressed from top with the help of a metallic cube. A specified load is applied on the conduit under test through the metallic cube and the reduction in diameter of the conduit determined. The load is then released and the recovery in the diameter is determined. The value of percentage deflection under load and percentage recovery after release of load are calculated and compared against specified values to evaluate the performance of the conduit under the action of compressive loads.

 

The GlobeCompression Tester For Rigid Non-Metallic electrical conduits consists of a rigid platform for placing the test specimen on, an arrangement for compressing the conduit manually with the help of a hand-wheel and a screw arrangement, and a compression spring to apply the load on the conduit under test.

 

Technical data :

 

  • Maximum compressive load : 150 kg


  • Dimensions of metallic cube : 50 x 50 mm


  • Length of test specimens : 200 mm

Related standards

 

  • IS 6946 - 1973 : Specification for Flexible Non-Metallic Conduits for Electrical Installations

 

  • IS 9537 (Part 1) - 1980 : Specification for Conduits for Electrical Installation

 

  • Part 1: General Requirements

 

  • IS 9537 (Part 3) - 1983 : Specification for Conduits for Electrical Installations

 

  • Part 3: Rigid Plain Conduits of Insulating Materials.
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