This instruction manual contains important information about the features and use of the testo 521 and testo 526 products.
This document serves as the official instruction manual for the Testo 521 and Testo 526 handheld pressure measuring instruments. It provides comprehensive guidance on fundamental safety instructions, intended purposes, and product descriptions including power supply options and control layouts. The manual details the commissioning process, such as inserting batteries and connecting probes, as well as basic operating steps for switching on/off and navigating the menu system.
| Power supply | 9 V monobloc (6LR61), alkaline manganese or mains unit 12 V DC |
|---|---|
| Probe interface | Round 8-pin plug |
| PC interface | ComSoft V3.4 |
| Measuring data memory | approx. 25000 readings |
| Battery life (alkaline) | 30h |
| Battery life (rechargeable) | 10 hrs. |
| Operating temperature | 0 - +50 °C |
| Weight | approx. 600 g |
| Dimensions | 219 x 68 x 50 |
| Warranty | 24 Months |
They are handheld pressure-measuring instruments developed for use in air conditioning/ventilation, thermal engineering, automotive engineering, and industrial plant engineering.
The permitted medium is air and non-aggressive gases.
The warranty period is 24 months.
The battery life in continuous use is 30 hours with an alkaline manganese battery.