KEY FEATURES

• Most powerful model in the clamp meter series, offering lots of additional functions for challenging daily tasks.
• Unique grab mechanism with a fully retractable pincer arm enables easy and reliable measurement on tightly packed cables.
• Improved TRMS signal processing core guarantees precise parameters across non-linear electrical fields.
• Built-in Bluetooth connectivity establishes a direct data stream to the testo Smart App on your smartphone.
• Automated AC/DC parameter detection instinctively configures inputs to optimize field diagnostic workflows.
• Specialized diagnostic capabilities support advanced active power measurements and transient Inrush current capturing.
• Dedicated microamp (µA) current measuring range enables rapid troubleshooting of flame rectifiers.
• Conforms to high-stakes overvoltage category guidelines certified up to CAT IV 600V and CAT III 1000V standards.

The testo 770-3 True-rms Clamp Meter with Bluetooth delivers a highly effective and robust electrical verification framework for auditing commercial plant systems, checking variable-speed automated drives, and maintaining complex facility power networks. Standard entry-level service clamp meters utilize thick, rigid jaw blocks that make separating crowded wires nearly impossible without risking mechanical insulation damage or short circuits; by utilizing a highly responsive retractable pincer loop that grabs wires individually, this instrument ensures immediate, error-free parameter tracking. Field engineers can complete comprehensive safety surveys confidently across expansive structural layouts, syncing real-time tracking streams directly to their mobile devices via Bluetooth 4.0 link systems to maintain complete control without manual data errors.

ADDITIONAL FEATURES

• Large two-line LCD interface features a clear 6,000 count resolution scale and independent display lighting.
• Supports point-contact temperature measurement when integrated with an optional Type K thermocouple adapter.
• Built-in circuit validation utilities incorporate rapid continuity testing loops and integrated diode test functions.
• High internal resistance of 11 Mega Ohms (AC/DC) prevents circuit loading errors during high-sensitivity tracking.
• Efficient electronic architecture derives extensive field utility utilizing three standard AAA micro batteries.
• Smart data handling memory features dynamic Hold registries alongside continuous Min/Max parameter tracking.

APPLICATIONS

• Perfectly optimized for Bluetooth-enabled high-accuracy current clamping, automated AC/DC electrical diagnostics, active power measurement, transient motor Inrush current capturing, flame sensor microamps validation, contact temperature profiling, and safety-compliant industrial facility maintenance.

PRODUCT PACKAGE INCLUDES

• 1 x testo 770-3 True-rms Clamp Meter with Bluetooth Base Instrument (SKU: 0590-7703)
• 3 x AAA Micro Batteries (For Immediate Operational Setup)

SPECIFICATIONS

The contents of this document are provided as a guide only and are subject to change without prior notice, and without any subsequent liability to Parkway Process Solutions Pty Ltd (the “Company”) or any of its related entities. The actual shape, colour, size, performance and/or any other parameters of the item/s and/or product/s and/or system/s supplied by the Company, may vary materially from those outlined by the Company.

All brand names and product names outlined in this document are either trademarks or registered trademarks and belong to the respective companies.

ALL INFORMATION OUTLINED HEREIN IS PROVIDED AS A GUIDE ONLY AND SHOULD NOT BE RELIED UPON FOR ANY PURPOSE, WITHOUT CONFIRMING SUCH DETAILS WITH THE COMPANY BEFORE MAKING A PURCHASE AND/OR UTILISING A GIVEN PRODUCT.

ADDITIONAL RESOURCES

PRODUCT BROCHURE

General information about the testo 770-3 True-rms Clamp Meter with Bluetooth is mapped out in the brochure below.

DOWNLOAD