Eastern India · West Bengal
Test & Measurement Instruments in Kolkata
Cambridge Instruments & Engg. Co. (CIE) is headquartered in Kolkata, with our manufacturing works across the river in Howrah. Electrical contractors, panel manufacturers, testing laboratories, and State Electricity Board engineers across the city have specified CIE insulation testers, earth testers, and relay test sets since 1963.
Instruments Supplied to Kolkata
Insulation Testers (Hand)
Rugged hand-driven generator type insulation testers in metal and wooden body variants, at rated test voltages of 100, 250, 500, 1000, 2500, 5000 and 10,000 V. The original CIE design - built and calibrated in Howrah since 1963.
Earth Testers
Analog and digital earth resistance testers for 3-terminal earth resistance and soil resistivity measurement. Includes hand-driven analog instruments supplied as a complete kit, and digital models with direct numerical readout.
Clamp Meters
True-RMS clamp meters up to 1000 A AC/DC for measuring current in live conductors without breaking the circuit. For panels, motor control centres, and distribution systems.
Multimeters
3½-digit digital multimeters for voltage, current, resistance, capacitance, frequency, and temperature measurement. True-RMS and standard variants.
Oil BDV Test Sets
Transformer oil dielectric strength (BDV) testers from 50 kV to 120 kV. Manual and motorised variants with options for digital display and magnetic stirrer.
Relay Test Sets
Single-phase and three-phase relay test sets for commissioning and testing of protection relays. Variable AC/DC current and voltage sources with phase angle control.
Who We Supply in Kolkata
Kolkata buyers can reach our sales office and Howrah works directly, so demonstrations, custom requirements and same-day collection are possible.
- •Power distribution and CESC-area utilities
- •Jute, engineering and port-based industry
- •Metro, railway and infrastructure contractors
- •Testing and calibration laboratories
Why Buy From CIE in Kolkata
Manufacturer, not a trader
Every CIE-brand instrument is built and calibrated at our own works in Howrah - direct pricing, no middleman markup.
60+ years in the field
Manufacturing electrical test instruments since 1963, with a track record across State Electricity Boards, industry, and Indian Railways.
Pan-India dispatch
Orders are dispatched from Howrah by courier or transport to Kolkata and every other part of India.
CIE in Other Cities
Need an instrument delivered in Kolkata? We'll recommend the right model.
Send your requirement by email or WhatsApp - we respond within one business day and dispatch pan-India.