Cable makers must prove resistance, insulation quality and fire behaviour on every drum shipped to utilities and project buyers. Our cable testing instruments cover the electrical, thermal and mechanical tests in the standard. As cable testing instruments manufacturers in India and suppliers in India, we supply wire and cable plants and independent test labs.
The range follows the cable test list. Electrical tests use the Kelvin bridge for conductor resistance, the megohm meter for insulation resistance, the AC high voltage test set and the partial discharge detection system. Material tests on insulation and sheath use the tensile machine, hot set oven and the aluminium conductor tensile tester. Dimension and construction are checked with an optical micrometer, and endurance and fire behaviour with the flexing machine and the vertical flame chamber.
A cable plant usually installs the electrical routine tests on the line or in the lab and keeps the material and fire tests together in a type test room.
Last updated: November 2026
Machine bending and reciprocating flexible cables over rollers until conductor failure, measured by continuity monitoring. Used for robot, automation and trailing cable producers. Results show how many bends a conductor survives in robotic and moving applications.
Kelvin double bridge for measuring DC resistance of copper and aluminium conductors with milli-ohm accuracy. Used in cable plants to check conductor resistance per kilometre.
Non-contact optical system for outer diameter, ovality and insulation thickness of cables. Used for sample checks in wire and cable factories. It checks that insulation wall thickness and eccentricity meet the cable specification.
Vertical flame test cabinet for single insulated wires and cables using a standard burner. Used to evaluate flame retardancy of building wires and appliance cables.
Air oven with load weights for hot set elongation and permanent set test of cross-linked insulation. Used in XLPE and EPR cable manufacturing quality control.
Small tensile tester with long-travel grips for elongation of cable insulation and sheath dumbbells. Used in polymer compound labs at cable plants. Tests can be run on both unaged and oven-aged samples for compound approval.
Wire tester with extensometer for aluminium and copper conductor wires to find breaking load, elongation and tensile strength. Used for overhead conductor and building wire production.
Portable AC high voltage test set applying power-frequency withstand voltage to insulated cables. Used in cable factories and utilities for routine and type voltage tests.
Digital megohm meter with test voltages to 10 kV for insulation resistance and polarisation index of cables and windings. Used in factory test bays and plant maintenance.
Measures partial discharge magnitude in cable lengths and accessories during voltage test. Used by medium and high voltage cable makers to detect insulation defects. Findings help reject cable lengths before voids or defects cause service failures.
| Function | Products | What to confirm |
|---|---|---|
| Electrical routine tests | Cable Conductor Resistance Measuring Bridge, Insulation Resistance Tester for Cables 10 kV Digital, High Voltage AC Withstand Tester for Cables 50 kV | Resistance range and accuracy, test voltage and current of the high voltage set, and the safety interlocks and earthing provided. |
| Partial discharge and insulation integrity | Partial Discharge Detection System for Power Cables | Sensitivity in pC, noise suppression, length of cable under test and calibration pulse source. |
| Insulation and sheath material | Cable Insulation and Sheath Tensile Testing Machine, Cable Hot Set Test Oven for XLPE Insulation, Cable Tensile Strength and Elongation Tester for Aluminium Conductors | Load cell capacity, grip travel, extensometer type, oven temperature and the weights for hot set to IEC 60811. |
| Dimensions, flame and flexing | Cable Dimension Measuring Instrument with Optical Micrometer, Cable Flame Propagation Test Chamber for Single Vertical Wire, Cable Bending and Flexing Endurance Testing Machine | Diameter measurement range, flame source and cabinet size, bending radius and cycle count settings. |
Cable testing instruments are built for conductor, insulation and sheath tests on cable lengths and samples, including hot set, flame, tensile and withstand voltage fixtures. The electronics and electrical category covers general product testing, such as switches, appliances and components. A cable maker mainly uses this range, though general safety testers can sit alongside it in the same QC lab.
See also: Electronics and Electrical Testing Instruments
The complete Cable Testing Instruments range (10 products), in alphabetical order:
Confirm output voltage, for example 50 kV, kVA rating for cable capacitance, accurate voltage measurement and trip current setting. Look for safety interlocks, discharge rod, earthing and an enclosure or cage suitable for your lab. Standards such as IEC 60502 and IS 7098 define the routine test voltage for each cable class.
Look at the sensitivity, usually down to a few pC, the filter bandwidth and the way noise is handled in a factory environment. A shielded room or good earthing is often needed. Check calibration pulser, coupling capacitor and software with pattern analysis. Plan the maximum cable capacitance to be tested.
The oven must hold a set temperature such as 200 deg C with uniform air flow, and fit weights to load the specimen according to IEC 60811-507. Check the viewing window, temperature control accuracy, and gauge marks on the sample holder. Elongation under load and permanent set after cooling are recorded.
Power, control, building wire and flexible cable manufacturers, XLPE and PVC compound users, cable approval and certification labs, utilities and EPC contractors with receiving inspection, and cable drum receiving yards. A cable factory typically orders a conductor resistance bridge, megohm meter, tensile machine and hot set oven first, then the high voltage and partial discharge systems.
It checks that the copper or aluminium cross section and purity meet the standard. A Kelvin bridge reads low resistance accurately, and the value is corrected to 20 deg C for comparison with the permitted maximum.
It shows the resistance of the insulation after the voltage is applied for a set time. Low readings point to moisture, damage or poor compounding, and the megohm meter test is done on finished lengths and in service checks.
A single vertical insulated wire is exposed to a flame for a defined time and the burn extent is measured after removal. It checks that the cable does not carry fire along its length, as in IEC 60332-1-2.
Yes. We manufacture the instruments in India and dispatch them to cable plants and labs across the country and abroad. Tender specifications and calibration documents are supplied, with installation at site on request.
Aluminium conductors must meet strength and elongation limits to avoid breaking during stringing or installation. A wire tester with an extensometer gives both values for each lot of drawn wire.
As established manufacturers and suppliers for tender requirements from India, we undertake civil laboratory and industrial testing tenders as well as bulk and OEM supply of mechanical engineering and testing laboratory equipment. Please forward your tender specifications and our team will prepare a detailed quotation for Cable Testing Instruments.
Send us your equipment list or tender specification. We quote against IS, BS, EN, ASTM and AASHTO standards and ship to 90+ countries.
