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TESTO 0554 0990 Telescope Extension - Air Velocity Meter Accessories
TESTOAir Velocity Meter Accessories

TESTO 0554 0990 Telescope Extension

The TESTO Telescope Extension (MPN 0554 0990) is an air velocity meter accessory that includes two extension rods. This product is designed to extend the reach of compatible TESTO measurement instruments.

SKU 3G-OTH-171986

Also listed as: 05540990 · 0554-0990

Brand
TESTO
Item
0554 0990 Telescope Extension
Part Number
0554 0990
Category
Air Velocity Meter Accessories
Available to Order
Also known as:0554 0990TESTO
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Technical Specifications

TESTO
Manufacturer Part Number
0554 0990
Type
13 3/4 in x 5/8 in x 5/8 in, Telescope Extension
Includes
(2) Extension Rods
Product Type
Telescope Extension

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TESTO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The TESTO Telescope Extension (MPN 0554 0990) is an air velocity meter accessory that includes two extension rods. This product is designed to extend the reach of compatible TESTO measurement instruments.

Frequently Asked Questions

What is the TESTO Telescope Extension used for?

The TESTO Telescope Extension (MPN 0554 0990) extends the reach of compatible TESTO air velocity meters, allowing measurements in ducts, vents, or hard-to-access areas. It includes two extension rods and is a practical accessory for HVAC and industrial airflow testing.

What are the specifications of the TESTO Telescope Extension?

The TESTO Telescope Extension (MPN 0554 0990) measures 13 3/4 in x 5/8 in x 5/8 in and includes two extension rods. It is a telescope extension accessory designed for use with TESTO air velocity meters. The brand is TESTO and the product type is Telescope Extension.

Where to buy the TESTO Telescope Extension worldwide?

3G Electric supplies the TESTO Telescope Extension (MPN 0554 0990) to customers worldwide. As a global industrial solutions provider, we handle logistics, customs clearance, and delivery to your location. Contact us to order this TESTO air velocity meter accessory.

How to install the TESTO Telescope Extension?

To install the TESTO Telescope Extension, attach the extension rods securely to your compatible TESTO air velocity meter following the manufacturer's instructions. Ensure connections are tight to avoid measurement errors. For best results, keep the rods clean and store them in a protective case when not in use.

Used in

Common applications for TESTO
Commercial HVAC service — Testo 550s series digital manifold gauge kit for R-458A refrigerant during system commissioning and troubleshooting.
Industrial refrigeration — Testo 552i wireless digital vacuum gauge for monitoring evacuation of large refrigeration systems to 500 microns.
Residential air conditioning — Testo quick coupler (MPN 0554 3112) for accessing service ports on split systems during maintenance.
Refrigerant charging — Testo wireless electronic refrigerant scale (MPN 0564 1560 01) for precise charging of R-410A and other refrigerants.
Heat pump installation — Testo 550i series manifold gauge kit for R-401B to verify pressures and temperatures during startup.
Evacuation pump maintenance — Testo ISO-46 vacuum pump oil (MPN 0564 1002) for routine oil changes on evacuation pumps.
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TESTO Products

3G Electric supplies TESTO air velocity meter accessories. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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