Introduction of TD1858--A Portable and Multifunctional Calibrator

Looking to calibrate different digital multimeters at multiple sites?

Need a high-precision multifunction calibrator that's easy to carry?

You may be interested in TUNKIA TD1858 Portable Multifunction Calibrator—a special model in TUNKIA's TD18 calibrator series. While inheriting the series' well-known precision and versatility, TD1858 features a more compact and lightweight design, making it an ideal choice for fieldwork, mobile service, and on-site calibration tasks.

All-in-One Functionality for Everyday Calibration

TD1858 Portable Multifunction Calibrator integrates five basic signal output functions, including DC/AC voltage, current, and resistance, to fully meet the calibration needs of 4½-digit and lower digital multimeters. It also supports pulse frequency output and analog meter calibration, with optional clamp coil and thermocouple output/measurement modules, enabling efficient testing of clamp meters and thermocouple thermometers.

At just 9.5 kg, this compact device is easy to transport to laboratories, maintenance sites, or remote facilities for fast and accurate calibration.

Portable Yet Powerful – Efficiency Meets Precision

• Highly Portable:
  TD1858 Portable Multifunction Calibrator compacts dimensions (210×365×266 mm), weight only 9.5 kg– about half the weight of similar models. Easily carried by one person.

• User-Friendly Interface:
  Clear front panel layout, intuitive knob and button operation – even non-specialists can use it with confidence.

• Robust Performance:

• DC/AC voltage output up to 1020 V

• Current output up to 10.2 A

• DC resistance range from 1 Ω to 220 MΩ, continuously adjustable

• Optional Accessories:

  Clamp coil and thermocouple output modules expand test coverage to clamp meters and temperature measuring instruments.

Ideal for a Wide Range of Applications

• Routine calibration tasks in enterprise or factory metrology labs

• On-site service by third-party calibration providers

• Instrument testing in power utilities, rail transit, and equipment manufacturing

• Field support by after-sales service teams

Compact but Capable

TD1858 Portable Multifunction Calibrator is more than just a lightweight instrument—it's a reliable partner for engineers on the move. In the lab or in the field, it delivers stable, precise performance to keep your equipment accurate and your work efficient.

For more information of TD1858 Portable Multifunction Calibrator,  please download the Product Documentation or contact our sales representatives.