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Electrical Test and Measurement Equipment

Zedflo Australia is a Western Australian company established in 1982. They are proud of the excellent reputation and strong relationships that have developed with industry over the last 20 years and continue to strive to build new relationships. Zedflo supplies a comprehensive range of process control field instrumentation, test & calibration equipment and non-intrusive ultrasonic flow metering, providing solutions to the oil, gas, process, mining and chemical industries.

Go to Specific Subject: Electrical Installation Safety Testing using Test and Measurement Equipment | Electrical Insulation Testers | Electrical Insulation Testing | Testing of Residual Current Devices | Low Voltage Electrical Installations Safety and Measurements in Practice | Other Useful Electrical Test and Measurement Information | Electrical Low Resistance Testing | Electrical Safety | Inspection and Testing of Electrical Equipment | Self Training Manual for Electrical Measuring Equipment | Use of Electrical Test EquipmentICEweb's Electrical Technical Information Section |

The following Technical Information is provided by our sponsor Zedflo Australia, they are experts in Electrical Test and Measurement Equipment. Should you have any questions or require further information you can contact them here.

Electrical Test and Measurement Equipment is an essential part of any Electrician's tool kit. With today's technological advances high quality electrical test and measurement tools are required. By purchasing highly specified equipment one can be assured of safety, accuracy and robustness along with user interfaces which make them more user friendly. The equipment is used to test and verify safety and operating parameters of Electrical Equipment. Typical Electrical Test and Measurement Equipment tests Insulation resistance, Continuity of protective conductors and equipotential bonding, Residual Current Devices , Line Impedance, Fault Loop Impedance, Earth Resistance, Phase Sequence, Voltage and Frequency, PE Test Terminal, Overvoltage Category, HV, Step / Contact Voltage and Earth Resistance.

Electrical Installation Safety Testing using Test and Measurement Equipment 

Electrical Installation Safety Tips – This is a super electrical installation safety information resource which covers Electrical Installation Safety Testing, testing safety of electrical installations, Insulation resistance, Continuity of protective conductors and equipotential bonding, RCD testing, Line impedance, Fault loop impedance, Earth resistance, Phase sequence, voltage and frequency, PE test terminal, Overvoltage category, HV, Step / Contact Voltage and Earth Resistance, Basics of insulation measurements, Types of insulation testing, Testing safety of electrical equipment, Testing the safety of machines and switchboards, Power Quality Testing, LAN Cabling Certification, Indoor Environment Quality, Multimeter/Clamp/Voltage and Continuity Testers.

Guide to Testing and Tagging Portable Electrical Equipment and Residual Current Devices at Workplaces - As prescribed by the Occupational Safety and Health Regulations 1996 (the OSH regulations), the person having control of a workplace or access to that workplace, i.e. Employer, self-employed person, main contractor, must ensure that all portable plug-in electrical equipment and residual current devices (RCDs) at the workplace are safe and appropriately inspected, tested and maintained by a competent person. This document will assist with regulatory compliance by providing guidance on who can inspect and/or ‘test and tag’ such portable equipment and devices - from Worksafe WA.

Electrical Insulation Testers

Electrical Insulation Testers - Peter Gabrovšek - This White Paper covers Dangers for the Electrician, How Transients and Surges Occur, How High Energy breakdowns take Place, Why a Breakdown at the Origin of Installation can have More Severe Ramifications, How the Standards Deal with Overvoltages, Overvoltage Protection Categories as Defined in IEC/EN 60364, Overvoltage Categories and Electrical Installation Testers, Protective Measures in Installation Testers, Other Safety Considerations, Common Misinterpretation of the Overvoltage Protection Classes.

Electrical Insulation Testing

Guide to Modern Insulation Testing Manual- The intention of this 48 page handbook is to better acquaint the reader with the extensive problems associated with insulation measurements. The manual covers;

Testing of Residual Current Devices

Testing of Residual Current Devices (RCD) - B type RCD - this White paper details the basics about RCD's, Producers of RCD's, International Reference Standards for RCD's, Testing of B type RCDs and Test Instruments.

Low Voltage Electrical Installations Safety and Measurements in Practice

Short Theory about The Safety and Measurements in Practice on Low Voltage Electrical Installations - Janez Guzelj  - This white paper covers the TN System, TT System, Ensuring Safety along with Actual Practice of the Measurements on the Electrical Installation.

Measurements on Electric Installations in Theory and Practice Instruction Manual - This manual is designed for electrical engineers who deal with measurements on new or modified low-voltage electrical installations in buildings or with the maintenance of these installations. In the manual the user can find an explanation for many practical problems whilst performing measurements and directions on how to solve the problems by using the measurement instruments produced by METREL d.d.

Other Useful Electrical Test and Measurement Information

Measuring Instruments and Testers - This Technical Catalogue covers Electrical Installation Safety , High Voltage Insulation / Continuity / Earth, Appliance / Machine / Switchboard Safety, Power Quality Analysis , LAN Cabling Certification, Indoor Environment Quality,ƒ Digital Multimeters / Clamp Meters / Voltage and Continuity Testers, Variable transformers / Equipment for laboratories and Schools – from METREL

Electrical Low Resistance Testing

A Guide to Low Resistance Testing - Understanding and Measuring Low Resistance to Ensure Electrical System Performance - The purpose of this booklet is to help the engineer, technician or operator understand:

Thanks to Techrentals

Electrical Safety 

Managing Electrical Risks in The Workplace - Code of Practice - This Code provides practical guidance for persons conducting a business or undertaking on managing electrical risks in the workplace. It applies to all workplaces where a person conducting a business or undertaking has management or control of electrical equipment, including electrical installations, or carries out electrical work on or near energised electrical equipment, including electrical installations - from Safework Australia.

Department of Energy  Handbook on Electrical Safety – The Electrical Safety Handbook presents the Department of Energy (DOE) safety standards for DOE field offices or facilities involved in the use of electrical energy. It has been prepared to provide a uniform set of electrical safety guidance and information for DOE installations to effect a reduction or elimination of risks associated with the use of electrical energy. The objectives of this handbook are to enhance electrical safety awareness and mitigate electrical hazards to employees, the public, and the environment. It has a section on working with test instruments and equipment.

A Review of Common Electrical Safety Test Requirements – Dwayne M Davis – Four Tests are commonly used to verify electrical safety , they are Line Leakage, Insulation Resistance, Ground Bonding and Dielectric –withstand testing. This white paper details each of these tests - from associated research.  

Electrical Safety Testing Reference Guide – This document from the Power Sources Manufacturers Association is a useful information source. It explains the need for and the basis for Electrical Safety Testing.

Electrical Test Equipment for Use by Electricians - This document gives guidance to electrically competent people involved in electrical testing, diagnosis and repair. Electrically competent people may include electricians, electrical contractors, test supervisors, technicians, managers or appliance repairers. It offers advice in the selection and use of test probes, leads, lamps, voltage indicating devices and measuring equipment for circuits with rated voltages not exceeding 650V - from the HSE (UK).

Inspection and Testing of Electrical Equipment 

Testing Manual for Electrical Equipment - Nahed Al-Hajeri and Anantha Madhavan - The purpose of this testing manual is to provide guidelines for inspection and testing of Electrical Equipment in compliance to relevant international standards/specifications. It provides information on procedures and testing of Major Electrical equipment to be followed during testing by engineers and also furnish evidence that an electrical equipment/device is free of inherent flaws or faults. The tests on equipment/system have been broadly categorized into two categories viz. Factory Acceptance Test (FAT) and Site Acceptance Tests (SAT). These tests have been tailored to ensure design, construction and performance requirements of the equipment. This testing manual includes High Voltage Switchboards, Low Voltage Switchboards, Transformer, Diesel Generator Sets, Induction Motors, Cables, Un-interrupted Power Supply (UPS), Ring Main Unit, Light Fittings, MOV Actuators, Isolator Switch and Earthing Systems etc. However in this Paper only highlights the high voltage cables and related test methods - from EPPM.

Self Training Manual for Electrical Measuring Equipment 

Introduction to Test Equipment – This 272 page Training Module from the US Navy is an introduction to some of the more commonly used test equipment and their applications. Whilst designed for Naval use it is a very useful self training tool.  

Use of Electrical Test Equipment

Use of Electrical Test Equipment - Test equipment is necessary for determining proper set-up, adjustment, operation, and maintenance of electrical systems and control panels. The following is a general procedure for use of test equipment – from US Forest Service.

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