Testo adalah produsen alat ukur untuk Air Quality dari Jerman.

Akselera Instrument menjual berbagai alat ukur dari Testo AG dengan kategori:

• Flue Gas Analyzer
• Thermal Imaging Camera
• Data Logger
• Thermometer
• Food Safety Equipment
• Electrical Measurement
• Smart Probe

• Cooking oil and pH (11)
• CO₂, CO, light, sound, rpm (32)
• Data Logger (64)

• Electrical measurement (10)
• Emission measurement (35)
• Flow measurement (6)

• Humidity measurement (27)
• Pressure measurement (32)
• Smart Probes (4)

• Transmitters (14)