Testo 521/526 Pressure Meter User Manual

User manual for Testo 521 and 526 pressure meters covering safety, operation, calibration and data logging.

Brand: testo
Category: Other
Document type: User Manual
Language: Chinese
Pages: 52
File format: PDF
File size: 1.6 MB
Published: 01 October, 2026
Updated: 01 October, 2026
MD5 checksum: 3FF80ED9C4A8A04DFD545436F6C8B64A
PDF: Testo 521/526 Pressure Meter User Manual PDF

About this manual

This manual provides safety instructions, device description and step‑by‑step operating procedures for the Testo 521 and 526 pressure measurement instruments. It also details calibration methods, data logging functions and maintenance guidelines.

The document includes a full table of contents, wiring diagrams, battery specifications, RS‑232 communication details and a comprehensive list of part numbers for accessories and spare parts. This manual is written in Chinese.

What's inside

Introduction
Safety Information
Operation
Calibration
Data Logging
Power Supply
Communication Interface
Accessories and Spare Parts
Technical Data
Warranty and Service

Specifications

Pressure range (Testo 521)	0–100 hPa
Pressure range (Testo 526)	0–2000 hPa
Battery type (Testo 526)	NiMH IEC 6F22

Frequently asked questions

What is the pressure measurement range of the Testo 521?

The Testo 521 measures pressure from 0 to 100 hPa.

What battery does the Testo 526 use?

The Testo 526 can be powered by a 9 V battery or a NiMH IEC 6F22 rechargeable battery.

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