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Testo 90° Angle for Connecting Vane Probes (Ø 100 mm)

SKU: 0554 0991

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Testo 90° Angle for Connecting Vane Probes (Ø 100 mm)

The Testo 0554 0991 90° Angle Adapter is an essential accessory for performing accurate air velocity and volume flow measurements at ceiling outlets. Designed specifically for 100 mm vane probes with a universal Bluetooth® or cable handle, this adapter enables proper probe alignment in overhead or hard-to-reach ventilation outlets.

Easily connect the 90° angle to the extendable telescope (0554 0960) for convenient and standard-compliant ceiling measurements. For high ceilings or large ventilation systems, it can also be used in combination with the telescope extension (0554 0990) to achieve a total reach of up to 2 meters.

The adapter’s lightweight, compact, and durable design ensures stable probe positioning and smooth handling — ideal for HVAC professionals, commissioning engineers, and IAQ specialists.

Testo 90° Angle for Connecting Vane Probes - Key Features

  • Ensures correct 90° positioning of 100 mm vane probes at ceiling outlets
  • Compatible with Testo extendable telescopes (0554 0960) and universal handles
  • Lightweight and durable design for easy handling and long service life
  • Perfect alignment for accurate airflow and velocity measurements
  • Supports combination setups with telescope extensions (0554 0990) for 2 m reach
  • Quick-connect fitting for hassle-free setup in field conditions

Testo 90° Angle for Connecting Vane Probes - Specifications

Parameter Specification
Product No. 0554 0991
Function 90° adapter for connecting 100 mm vane probes
Dimensions (L × W × H) 65 × 65 × 15 mm
Weight 25 g
Product Colour Black
Compatibility 100 mm vane probes with universal handle and extendable telescope
Maximum Telescope Reach Up to 2 m (with telescope extension 0554 0990)

 

Data sheet testo 440

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