Overview of a Primary Product

ManualsBrandsTesto ManualsHVAC Supplies14" x 14" Air Flow Capture Hood for 420

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Patented flow straighteners greatly improve accuracy and

stability of measurements at turbulent outlets

Weighs less than 6.4 lbs. (2.9 kg.)

Detachable 420 Multi-function flow instrument that can be

used with the 420 flow hood, pitot tubes, or flow matrix

Quick, easy remote monitoring and reporting with Bluetooth

and free App

Data logging using on-board 2 GB memory

Logged data can be transfered to PC using mini-USB cable

testo 420 Flow Hood

Lightweight, tough and accurate.

FPM

°F

%RH

The new testo 420 flow hood system is a lightweight,

accurate and convenient solution for balancing volume flow

at registers and returns. At turbulent outlets, the patented

flow straighteners significantly improve measurement

accuracy & stability, save time and eliminate the uncertainty

of measuring turbulent outlet ducts. Positioning is especially

easy with its ergonomic handles, and low weight of less

than 6.4 lbs. The optional tripod stand provides convenient

handling when testing in large buildings, or at greater

heights. The testo 420 flow hood has a wide variety of

optional interchangeable flow skirts in different sizes and

configurations. The lightweight testo 420 is easy to setup

and disassemble and comes in a convenient rollaround case.

The detachable 420 Multi-function flow instrument provides

accurate and convenient measurements using the 420

flow hood, Pitot tubes, or the testo flow matrix. Bluetooth

connectivity allows for a wide variety of test functions

and reporting options using your smart phone or device.

The powerful testo 420 App makes testing and reporting

versatile, customizable, and convenient. The detachable

420 Multi-function flow instrument is a powerful and precise

differential pressure instrument with available calculating and

reporting functions built-in. When installed on the testo 420

flow hood, this multi-function flow instrument can be tilted or

positioned for convenient viewing and handling.

View measured data from a remote location wirelessly on a

smartphone or tablet (up to 65ft.).

www.testo.com/ﬂowhood

CFM

Diff.

Press.

Wet

Bulb

Dew

Point

Abs.

Press.

Summary of content (4 pages)

PAGE 1
testo 420 Flow Hood Lightweight, tough and accurate. Patented flow straighteners greatly improve accuracy and stability of measurements at turbulent outlets CFM Abs. Press. FPM Diff. Press. °F Wet Bulb %RH Dew Point Weighs less than 6.4 lbs. (2.9 kg.
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testo 420 Flow Hood System Technical data General technical data testo 420 Flow Hood Kit Includes: testo 420 flow hood base, t420 Multi-function Flow Instrument, installed Pitot Flow Matrix, 24" x 24" flow hood with supporting rods, USB cable, batteries, soft case w/handle and wheels and Optional NIST Certification Part no. 400563 4200 Operating temperature 20 to 140 °F (-5 to +60 °C) Storage temperature -5 to 140 °F (-20 to +60 °C) Weight 6.4 lbs. (2.
PAGE 3
testo 420 Flow Hood System Accessories Part no. Flow hood 14" x 14" (360 x 360 mm) 0554 4200 Flow hood 12" x 48" (305 x 1220 mm) 0554 4201 Flow hood 24" x 48" (610 x 1220 mm) 0554 4202 Flow hood 36" x 36" (915 x 915 mm) 0554 4203 Tripod, extendable to 13' (4m) 0554 4209 Connection hose; silicone; length 16.4' (5m); max. load 280 inWC (700 mbar) 0554 0440 Connection hose silicone-free for differential pressure measurement, length 16.4' (5m), max.
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2016.8 testo 420 Flow Hood System Detachable Differential Pressure (t420) instrument allows Pitot tube measurements in ducts (Pitot tube optional) Subject to change without notice. Precision measurements for critical applications Testo Inc. 40 White Lake Road Sparta, NJ 07871 P: 1-800-227-0729 F: 1-862-354-5020 info@testo.com www.testo.