Gossen Metrawatt M550S Insulation Tester, 50 V Min, 1 kV Max, 999 GΩ CAT II, CAT III, CAT IV

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RS-stocknr.:
645-138
Fabrikantnummer:
M550S
Fabrikant:
Gossen Metrawatt
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Merk

Gossen Metrawatt

Model Number

M550S

Product Type

Insulation Tester

Tester Type

Insulation Tester

Maximum Test Voltage

1kV

Minimum Test Voltage

50V

Display Type

Backlight

Test Current

1mA

Battery Type

Alkaline manganese per IEC LR14 or rechargeable batteries (NiMH, 1.5 V migNon-cell (size AA)

Power Source

8 Batteries (1.5 V AA)

Insulation Testing Resistance

999GΩ

Minimum Operating Temperature

-10°C

Maximum Operating Temperature

50°C

Safety Category Voltage

1kV

Safety Category Level

CAT II, CAT III, CAT IV

Length

225mm

Standards/Approvals

DAkkS Calibration Certificate, DIN EN 61326-1, EN 60529, EN 1081, IEC/EN 61557, IEC/EN 61010-1, VDE 0470-1, VDE 0413

Height

140mm

Width

130mm

Weight

1.5kg

Land van herkomst:
DE

Gossen-Metrawatt Insulation Tester, 1000V Maximum Test Voltage, 999GΩ Insulation Testing Resistance - M550S


This insulation tester is a handheld instrument designed to measure electrical insulation resistance across a wide voltage range for field and workshop diagnostics. It operates between low and high test voltages and is intended for routine verification of insulation integrity in industrial environments. The unit includes a backlit display for visibility in low light and accepts standard battery types for portable use.

Features and Benefits:


• *Made in Germany - including DAkkS calibration certificate
• 1000 V Maximum Test Voltage delivers high-voltage insulation checks
• 50 V Minimum Test Voltage enables low-voltage diagnostics
• 999 GΩ Insulation Testing Resistance detects very high resistance levels
• 1 mA Test Current supports controlled measurement loading
• Backlit display improves readability in dim conditions

Applications


• Suitable for electrical maintenance in industrial installations
• Ideal for commissioning of power distribution equipment
• Used for periodic insulation checks on motors and cables
• Can be used for site troubleshooting under varied temperatures
• Appropriate for portable on-site resistance verification tasks

What power options are available for field operation?


It runs on eight 1.5 V AA cells and accepts alkaline or NiMH rechargeable batteries.

What safety categories does it meet for use on distribution systems?


The instrument is rated for CAT II, CAT III and CAT IV environments.

What temperature range can it operate within?


It functions between -10 °C and 50 °C for typical site conditions.

How Compact and transportable is the unit for on-site work?


The tester weighs 1.5 kg and its form factor supports portable use.

What standards and calibration documentation are associated with the instrument?


It is supplied with DAkkS calibration and complies with DIN EN 61326-1, EN 60529, EN 1081, IEC/EN 61557, IEC/EN 61010-1, VDE 0470-1 and VDE 0413.

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