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GREX IND SUPPLY
GREX IND SUPPLY 202303036730 (CT0117568-P)
Business
Hours
Monday - Friday 9:00 AM - 6:00 PM
Saturday - Sunday Closed
We′re closed on Public Holiday
Open Closed

30-Oct-2025

Product Description
Testo 535 Digital CO2 Measuring Instrument with App Connection
The Testo 535 is a compact and efficient CO2 meter designed for assessing indoor air quality. With long-term stable NDIR sensor technology and connectivity to the Testo Smart App, it simplifies the process of monitoring ventilation efficiency and ensuring a healthy indoor climate.

Key Features & Advantages:

  • NDIR Sensor Technology: Provides precise, reproducible, and reliable CO2 measurements over the long term.

  • Smart App Support: Use the app for configuration, data display as graphs/tables, storage, and documentation.

  • Built-In Averaging: Calculates time and point averages directly on the device for relevant data analysis.

  • Compact and Efficient: An ideal tool for quick checks and long-term monitoring of indoor air quality.

Technical Specifications:

  • Brand: Testo

  • Model: 535

  • Product No.: 0563 0535

Delivery Scope:
Testo 535 CO2 measuring instrument with App connection, transport bag, calibration protocol, and batteries.

Ideal For:
HVAC professionals, school administrators, office managers, and building consultants monitoring CO2 levels to validate ventilation performance.

Why Choose the Testo 535?
It offers a perfect balance of robust NDIR sensor accuracy and modern app convenience for effective IAQ management and documentation.

Tags:
#TestoMalaysia #CO2Meter #IAQMonitor #Testo535 #IndoorAirQuality

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Main Office

GREX IND SUPPLY 202303036730 (CT0117568-P)
160, Jalan Ekoperniagaan 5, Taman Ekoperniagaan 2, Senai Airport City, 81400 Senai, Johor, Malaysia.

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Website: https://www.grexsupply.com
Website: https://grexsupply.newpages.com.my/
Website: https://grexsupply.onesync.my/

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