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Seaward Group USA - IRT 1557 Insulation Resistance & Continuity Tester
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The IRT 1557 insulation resistance and continuity tester is a small and hand-held tester - a superb addition to any test engineer's toolkit.
It performs measurements according to IEC 364-6-61. Seaward's unique integrated safety probe puts the LCD and test probe in the user's line of sight whilst making measurements, no other tester does this. IRT 1557 is fully compliant with IEC 61557 and IEC 61010-1 600v CAT lll. Automatic discharge of capactive circuits, it gives you automatic warning of the presence of hazardous voltages.
It comes with an easy to use rotary setting switch. The IRT 1557 offers a number of unique features, including voltage measurements up to 1000AC or DC and a dual safety rating. With incredible robustness the IRT 1557 provides all the tests you need with a safe feel.
IRT 1557 Insulation Resistance and Continuity Tester
- Handheld
- Lightweight
- Long battery life
- Large backlit LCD
- 17th Edition compliant
- Continuous test mode
Ideal Users
- Electricians
- Telecomms engineers
- Power system engineers
- Electrical contractors
Technical Specification for the IRT 1557 IR and Continuity Tester
Insulation Resistance
Display Range
0.001Mohm - 1999Mohm
Analogue Bar Graph
0ohm - infinity
Test Voltage
250v; 500v; 1000v
Nominal Current
1mA minimum per EN 61557
Audible/Visible Warning Inhibited if 30 V AC or DC at inputs
Continuity
Display Range
0.00ohm - 19.99ohm
Open Circuit Test Voltage
4V DC nominal
Test Current
200mA, Audible and Visible warning Inhibited if 30 V AC or DC at inputs
Resistance
Display Range 0ohm - 2000ohm
Test Current 25uA nominal
Audible and Visible warning Inhibited if 30 V AC or DC at inputs
Voltage
Display Range
0V - 1000V DC/AC to 400Hz
Analog Bar Graph
0 - 1000V
Audible/Visible Warning
30 V AC or DC at inputs
ADDITIONAL INFORMATION
Safety rating
IEC 61010-1, 600V CAT III / 1000V CAT II
Dimension
260mm x 100mm x 55mm
Weight
0.8kg
Compliance
EN 61557-1, -2, -4, -10
ACCESSORIES
Hardware
PowerCheck 1557 (369A910)
Software
PowerGuard Pro 2 (355A910)
PowerGuard Pro Mobile 2 (355A920)
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