Field Instruments

Product Overview

The testo 755-3 Current/Voltage Tester is the most advanced model in the testo 755 series, designed for professional electricians who require maximum safety, extended measurement ranges, and intelligent operation. It combines the functionality of a two-pole voltage tester and current measuring instrument in one compact device.

With automatic measurement parameter detection, the tester prevents dangerous incorrect settings by selecting the correct function automatically. Certified according to DIN EN 61243-3:2014, the testo 755-3 ensures safe voltage testing while offering additional features such as extended resistance measurement, clear digital display, and robust industrial construction.

Key Features

• Automatic Measurement Parameter Detection – No manual switching
• Certified Voltage Tester (DIN EN 61243-3:2014)
• Voltage Measurement: 6 – 1000 V AC/DC
• Current Measurement: 0.1 – 200 A AC
• Extended Resistance Measurement Range
• Continuity Testing with Acoustic Signal
• 4,000 Count Digital Display
• Integrated Measuring Point Illumination
• Exchangeable Measuring Tips
• CAT IV 600 V / CAT III 1000 V Safety Rating
• IP64 Protection Class – Dust and splash resistant

Technical Specifications

Manufacturer: Testo
Model: 755-3
Type: Current/Voltage Tester

Measurement Functions

Voltage Measuring Range
• 6 to 1000 V AC/DC

Current Measuring Range
• 0.1 to 200 A AC

Resistance Measuring Range
• Up to 1 MΩ

Continuity Testing
• < 30 Ω

Display & Operation

• 4,000 count digital display
• Automatic AC/DC detection
• Intelligent socket recognition
• LED measuring point illumination

Safety & Standards

• Measurement category: CAT IV 600 V / CAT III 1000 V
• Protection class: IP64
• Standards: EN 61243-3:2014, EN 61010-1
• Approvals: CSA, CE

Operating Conditions

• Operating temperature: –10 to +50 °C
• Storage temperature: –15 to +60 °C
• Dimensions: 199 × 62 × 40 mm
• Weight: Approx. 320 g

Scope of Supply

• testo 755-3 Current/Voltage Tester
• Batteries
• Exchangeable measuring tips
• Order No.: 0590 7553

Applications

• Voltage presence and de-energization testing
• Current measurement without separate clamp meter
• Industrial electrical commissioning
• Maintenance and troubleshooting
• Panel and switchboard diagnostics

Why Buy from FieldInstruments.lk?

• 100% genuine Testo instruments
• Competitive pricing with fast island-wide delivery
• Trusted supplier for professional electrical test equipment
• Expert local technical support and after-sales service

Fieldinstruments.lk
50/3, Angampitiya Rd, Ethul Kotte, Sri Lanka. 10100.
Phone: +94718555888 Email: info@fieldinstruments.lk