The Testo 735 is a high‑precision 3‑channel temperature measuring instrument with 0.05 °C system accuracy, IP65 protection and up to 10,000 stored values.
The Testo 735 is a robust, compact temperature measuring instrument available in two versions (735‑1 without storage and 735‑2 with storage for up to 10,000 values). It offers three measurement channels, supports Pt100 and various thermocouple types, provides wireless data transfer via radio probes, and includes PC software with USB data transfer. The device meets EN 13485 certification and features an audible alarm, cyclic printing, and selectable user profiles.
A wide range of accessories is offered, including radio probes for immersion or surface measurements, numerous probe types (Pt100, thermocouple, air, surface, food probes), calibration certificates, a fast printer, battery chargers, and protective cases. These accessories extend the instrument’s capabilities for industrial, laboratory, and food‑service applications.
| System accuracy | ±0.05 °C |
|---|---|
| Measurement range (Pt100) | 0 °C to +300 °C |
| Protection class | IP65 |
| Dimensions | 220 × 74 × 46 mm |
| Weight | 428 g |
| Battery type | Alkali manganese AA |
| Operating temperature | -20 °C to +50 °C |
| Storage temperature | -30 °C to +70 °C |
| Warranty | 2 years |
The instrument provides a system accuracy of up to ±0.05 °C.
The 735‑2 version can store up to 10,000 measurement values.
It is rated with protection class IP65.
It uses an alkaline manganese AA (mignon) battery.