EMIS is a leading service provider of Electromagnetic Compatibility (EMC) and Electromagnetic Interference (EMI) engineering and compliance services. Apart from comprehensive EMI/EMC testing facilities, we also offer expert consultancy support for engineering, design analysis and technical training. Our endeavour is to provide our customers all EMI related solutions under one roof.
We offer a wide range of EMI/EMC services to customers to seamlessly take their products from concept to delivery. Our expert engineering and consulting team provide support to design, plan, execute, inspect and verify EMI compliant systems. EMIS can help customers with their products to meet International EMI/EMC standard compliance by providing suitable solutions within a short time span. Our EMI Consultancy Services include:
EMIS houses sophisticated and fully equipped testing facilities at our EMI/EMC testing laboratory in Bangalore, India. Our EMI Testing Facility is accredited by the National Accreditation Board for Testing and Calibration Laboratories (A Constituent Board of Quality Council of India) in accordance with the standard ISO/IEC 17025:2017. We also support on-site testing in compliance with international standards.
We provide industry-specific EMC testing services. Some of the industries we cater to include:
Single phase up to 16A, 3 phase up to 63A
This test measures the amount of electromagnetic energy that is conducted by the Product Under Test onto the power supply cords. These energy levels have to be within the prescribed limits set by the standard agencies applicable for that appropriate geographic region. This test is intended to ensure that the product under test -
| Test Standard | Test Description | Range of Testing / Limits of Detection | |||
|---|---|---|---|---|---|
| CISPR 11/ BS EN55011 | Emission requirement for Industrial, Scientific & Medical Radio Frequency Equipment | 150 kHz to 30 MHz | |||
| CISPR 14-1/BS EN 55014-1 | Emission requirement for Household Appliances, Electrical tools and similar Electrical apparatus | ||||
| CISPR 22/ BS EN55022 | Emission requirement for Information Technology Equipment | ||||
| IEC 61000-6-3,IEC 61000-6-4 | Generic standards. Emission requirement for residential, commercial and light-industrial equipment | ||||
Single phase up to 16A, 3 phase up to 32A
External EMI could come in any one of the following types - Conducted or radiated, Transient or continuous.
Immunity tests are intended to qualify and quantify how immune and resilient the device under test is to external EMI. Care has to be taken by the manufacturers that their equipment has built-in features to protect itself from external EMI.
| Test Standard | Test Description | Range of Testing / Limits of Detection |
|---|---|---|
| IEC 61000-4-2 CISPR 14-2 IEC 61000-6-1 IEC 61000-6-2 CISPR 24 | Electro Static Discharge (ESD) - Contact Discharge - Air Discharge | 1kV to 8kV 1kV to 16 kV |
| IEC 61000-4-4 CISPR 1 4-2 IEC 61000-6-1 IEC 61000-6-2 CISPR 24 | Electrical Fast Transients(Burst) - Amplitude - Pulse duration | 0.25 kV to 4 kV 15 ms 0.75 ms |
| IEC 61000-4-5 CISPR 1 4-2 IEC 61000-6-1 IEC 61000-6-2 CISPR 24 | High Energy Surge - Amplitude - Pulse duration | 0.5 to 4kV 1.2/50 µsec 8/20 µsec |
| IEC 61000-4-1 CISPR 14-2 IEC 61000-6-1 IEC 61000-6-2 CISPR 24 | Power Fail (Line Voltage Dips & Short Interruption) - Dips | 230 Vrms at 50Hz 0% of Uin 80% of Uin 70% of Uin 40% of Uin ½ Cycle to 250 Cycles |
Open Area Test Site - 3M
This test involves measuring the electro-magnetic field strength of the emissions that are generated by any electrical product or equipment. These emissions have to be within the limit prescribed by the standards that are prevalent in that country/region.
Open Area Test Site (OATS - 3M) is the most common test to measure the EMI generated by a product under test.
| Test Standard | Test Description | Range of Testing / Limits of Detection |
|---|---|---|
| CISPR 11/ BS EN55011 IEC 61000-6-3 IEC 61000-6-4 | Emission requirement for Industrial, Scientific & Medical Radio Frequency Equipment | 30 MHz to 1 GHz |
Single phase up to 50A
| Test Standard | Test Description | Range of Testing / Limits of Detection |
|---|---|---|
| CE101–Power leads (As per the MIL- STD-461E/F) | Requirements for the control of Electromagnetic Interference Characteristics of Subsystems and equipment | 30 Hz to 1 KHz |
| CE102–Power leads (As per the MIL-STD-461E/F) | Requirements for the control of Electromagnetic Interference Characteristics of Subsystems and equipment | 10 KHz to 10 MHz |
EMIs believes in delivering complete solutions to our customers. When a solution design involves components which we don't manufacture, we procure them from reliable external sources and integrate them with our EMI solutions. So that the customer can get a one-point interface for all their needs. Externally procured components include:
