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2014 Seaward High/Low Voltage Test Tools

2014 Seaward High/Low Voltage Test Tools
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2014 Seaward High/Low Voltage Test Tools - 1

Electrical test equipment for high and low voltage systems

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Contents Electrical Test Tools High Voltage Test Tools PowerTest 1557 1 World Leading Electrical Test Solutions 24

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Leading the world in electrical test equipment for high and low voltage systems At Seaward Group, we have over 70 years’ experience in the design and manufacture of innovative electrical test instrumentation. The range includes multi and single function installation testers, high voltage indicators and phasing units, soft discharge rods, ammeters and a host of accessories. Today, our first-class range of industrial test and measurement equipment serves a wide variety of testing and precision measurement applications meeting many international standards for both low and high voltage...

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Electrical Test Tools The PowerTest 1557 is a robust multi-function installation tester with integral probe, allowing the instrument to be held and the results to be read at the same time for both safety and convenience. The PowerTest 1557 is also very fast, performing non-trip earth loop, line loop, PFC and PSC tests with one press of a button in under 5 seconds. The lightweight, handheld and battery powered PowerTest 1557 is supplied in a durable carrying case with a 2 year warranty, 6 x AA alkaline batteries, test lead set, shrouded safety plugs, shrouded safety test probes and a red...

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Technical SpecificationTESTS Voltage/Frequency Measurement Earth Continuity Test Current Display Range Resolution Test Lead Compensation Live Circuit Detection Insulation Resistance Test Voltage Display Range Resolution Live Circuit Detection Loop/Line Impedance >200mA 0.00ohm - 199ohm 0.01ohm maximum Null lead resistance 0.00ohm -10.00ohm Test inhibit if >30V detected Frequency Measuring Range 45 - 65Hz ADDITIONAL INFORMATION Compliance Weight & Dimensions Power Supply IEC 61010-1 300V CAT III, EN 61557 0.95kg / 26cm x 10cm x 5.5cm 6 x AA Alkaline Batteries (supplied) 6 x AA NiMH...

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Electrical Test Tools The IRT 1557 is a handheld insulation resistance and continuity tester with an easy to use rotary switch for selecting tests. The IRT 1557 measures earth continuity insulation resistance at 250V, 500V and 1000V and voltages up to 10000AC or DC. The insulation resistance measurement features automatic discharge of capacitive circuits and provides an automatic warning if accidentally connected to live circuits. The IRT 1557 includes voltage measurements up to 1000AC or DC and has a safety rating of 600V CAT III / 1000V CAT II. It is supplied as standard with one each of...

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Technical Specification TESTS ACCESSORIESInsulation Resistance Hardware Display Range Analogue Bar Graph Test Voltage Nominal Current Audible/Visible Warning 0ohm - infinity 250v; 500v; 1000v 1 mA minimum per EN 61557 Inhibited if 30 V AC or DC at inputs Continuity Display Range Open Circuit Test Voltage Test Current Audible and Visible Warning Resistance Display Range Test Current Audible and Visible Warning Voltage Display Range Analog Bar Graph Audible/Visible Warning ADDITIONAL INFORMATION Safety Rating Weight & Dimension Compliance

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Electrical Test Tools The ERT 1557 is a versatile professional instrument, ideal for testing earth systems and lightning protection installations at the time of installation or periodically. Earth measurements can be made using ground spikes or a combination of current clamps making the ERT 1557 ideal for a multitude of applications; including measuring earth resistance, the resistance of individual earthing rods, lightning grounding installations and determining soil resistivity. The ERT 1557 has advanced electronic measuring circuitry which offers accurate measurement even in situations...

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Technical SpecificationTESTS Earth Resistance 2, 3 and 4 wire method Display Range Measuring Frequency Measuring Current Measuring Voltage ADDITIONAL INFORMATION Weight & Dimensions 0.8kg / 26cm x 10cm x 55mm Memory 500 memory locations Communication USB Earth Resistance using current clamp ACCESSORIES ERT Current Clamp (278A923) Display Range Measuring Frequency Measuring Current Measuring Voltage Specific Earth Resis Display Range Measuring Frequency Measuring Current Measuring Voltage 0.0ohm - 2.00kohm 125 Hz +/- 1 Hz <20mA effective <50V effective sine wave (p) 0.00ohm...

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Electrical Test Tools The PowerCheck 1557 is an extremely rugged and comprehensive verification checkbox suitable for use with all multi-function and single function installation and portable appliance testers. This rugged unit fully checks the earth continuity, insulation resistance, RCD trip time, RCD trip current, loop, PE conductor current, touch current and flash tests of your test instrumentation to ensure accurate measurement and correct operation between calibration intervals. This simple to use instrument is built into a rugged enclosure capable of withstanding the most demanding...

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Technical Specification TESTS Earth Continuity Verification Test Current Test Voltage Test Resistances Insulation Resistance Verification Open Circuit Test Voltage: Test Current Max Test Current Test Resistances Earth Loop Verification Test Values RCD Verification Trip Current Trip Times Test Current multiplier Voltage Verification Test Voltage 250V < Un < 375V indication 500V < Un < 750V indication 1000V < Un < 1500 indication In >1 mA into 1000ohm/V Ik <2mA 0.25Mohm, 0.5Mohm, 1.0Mohm PAT FUNCTIONS Earth Continuity Verification Test Resistances 0.2ohm and 2ohm Insulation Resistance...

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Electrical Test Tools The DO7 digital microhmmeter is a practical instrument for low resistance measurement, ideal for use in the workshop, field or test facilities of the utilities industry. It is of rugged construction, contained in a sealed ABS plastic case with lid and carrying handle. The DO7 digital microhmmeter features rechargeable batteries for real portability and more than one hour of continuous operation at the lowest ranges (10A), and twenty hours for all others. In addition, the internal charger will boost charge to 90% of full charge, switching automatically to a trickle...

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