TESTOHood Kit Accessories

TESTO Hood: Hood, 48 in x 12 in, Hood, Hood, Testo 420/Testo 440, 400563 4200

The TESTO Hood (SKU 0554 4201, part number 0554 4201) is a hood kit accessory designed for use with the Testo 420 and Testo 440 instruments. This 48-inch by 12-inch hood is compatible with manufacturer model number…

SKU 3G-OTH-170306

Also listed as: 05544201 · 0554-4201

Brand

TESTO

Item

Hood: Hood, 48 in x 12 in, Hood, Hood, Testo 420/Testo 440, 400563 4200

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

TESTO

Manufacturer Part Number

0554 4201 

Type

48 in x 12 in, Hood, Hood, Testo 420/Testo 440, 400563 4200, 0554 4201 

Product Type

Hood 

Compatible with Manufacturer Model Number

400563 4200 

Technical Documents

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TESTO Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the TESTO Hood used for?

The TESTO Hood is a hood kit accessory used with Testo 420 and Testo 440 instruments to measure air flow and volume in HVAC ducts. It is designed for balancing ventilation systems, commissioning, and troubleshooting in commercial and industrial buildings.

What are the specifications of the TESTO Hood?

The TESTO Hood (part number 0554 4201) measures 48 inches by 12 inches. It is compatible with Testo 420 and Testo 440 instruments and the manufacturer model number 400563 4200. It is a hood kit accessory for air flow measurement applications.

Where to buy the TESTO Hood worldwide?

3G Electric supplies the TESTO Hood (SKU 3G-OTH-170306) worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the TESTO Hood?

To install the TESTO Hood, attach it securely to the Testo 420 or Testo 440 instrument following the manufacturer's instructions. Ensure the hood is properly aligned over the duct opening for accurate air flow readings. Regular calibration of the instrument is recommended for reliable results.

Used in

Common applications for TESTO

HVAC system evacuation — Testo 552i wireless vacuum gauge for measuring micron levels during refrigerant line evacuation.

Refrigerant charging — Testo 550s digital manifold gauge set for R-744 systems in commercial refrigeration.

Indoor air quality monitoring — Testo 420/440 hood kit for measuring air velocity and volume in ventilation ducts.

Temperature logging in cold storage — Testo 0577 0400 data logger for tracking temperature in refrigerated warehouses.

Combustion analysis — Testo CO probe head (0632 1270) for measuring carbon monoxide in boiler flue gases.

Refrigerant scale operation — Testo 0564 2560 01 charging scale for precise weight-based charging in field service.

TESTO Products

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

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