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  • Clamp meter Testo 770-3 with Bluetooth and TRMS
  • Clamp meter Testo 770-3 with Bluetooth and TRMS
  • Clamp meter Testo 770-3 with Bluetooth and TRMS
  • Clamp meter Testo 770-3 with Bluetooth and TRMS
  • Clamp meter Testo 770-3 with Bluetooth and TRMS
  • Clamp meter Testo 770-3 with Bluetooth and TRMS
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Clamp meter Testo 770-3 with Bluetooth and TRMS

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Item: 0590 7703 02
€235/exl. VAT
€247/exl. VAT
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Description

Datasheet Testo 770-3 (EN) | Instruction Manual Testo 770-3 (EN)

The high-performance clamp meter Testo 770-3 is designed for demanding electrical testing on tightly packed cables and industrial switch cabinets. Featuring an innovative retractable pincer mechanism, it allows users to separate and grab individual conductors without contact. With its true root mean square (TRMS) functionality, extended voltage resolution up to 1000 V, and Bluetooth integration, it interfaces directly with the testo Smart App for live graphics and technical documentation. It supports specialized diagnostic tasks including inrush current (starting current), electrical power measurement, and microampere (microA) testing for flame sensors.

B2B Industrial Applications

  • Industrial Switchboard Maintenance: Contactless measurement of electrical current profiles on packed control lines and distribution panels.
  • HVAC System Diagnostics: Tracking electrical parameters, power measurement, and microA flame ionization testing on burner blocks.
  • Electric Motor Evaluation: Logging precise inrush current anomalies and voltage drops during machinery startup cycles.

Technical Specifications

Measurement TypeTrue RMS (TRMS)
Voltage Measurement RangeAuto AC/DC up to 1000 V
Specialist MeasurementsInrush current, electrical power, microA range
Safety Category RatingCAT IV 600V / CAT III 1000V
Internal Resistance11 MOhm (AC / DC)
Temperature Range (Type K TC)-20 to +500 deg C
Wireless InterfaceBluetooth 4.0 (requires iOS 11.0 / Android 6.0 or newer)
Compliance StandardsEN 61326-1, EN 61010-2-032, EN 61140
Battery Type / Dimensions3x AAA micro / 249 x 96 x 43 mm

Package Contents

  • Testo 770-3 TRMS clamp meter with Bluetooth
  • 1x set of measuring cables
  • Calibration protocol
  • 3x AAA batteries