Testo 420 - Flow Hood

$4,385.00

Testo 420 - Flow Hood

Straightens air even from a spiral diffuser!

The testo 420 accurate, lightweight flow hood with Bluetooth is the precise and convenient solution for measuring volume flows at supplies and returns. Handling this capture hood with flow straightener and tiltable display is especially easy with the low weight of less than 6.2 lbs. and ergonomic handles.

Key Features:

  • Rugged and toughflow hood that weighs less than 6.2 lbs. (2.9 kg.)
  • Large, easy to read, tiltable, backlit display (removable) makes it easy to see the readings
  • Flow straightener for more precise measurement at turbulent outlets
  • App integration via Bluetooth for fast and easy monitoring and reporting on site

Overview

The rugged and tough testo 420 balometer is an accurate, lightweight flow hood with Bluetooth.
•    The capture hood with flow straightener significantly improves measurement accuracy, saving you time and headaches for these difficult situations.
•    The display can be tilted for a more comfortable readout.
•    Bluetooth allows for connection to mobile devices, which can be used as a second display or remote control
•    The App can be utilized to finalize and send measurement reports while still on site
•    Use of an optional tripod is especially easy for high ceilings

Click here for product datasheet

Part #

Description

 

0563.4200

Testo 420 - flow hood

 

Accessories

 

0554.4200

360 x 360 fabric hood

0554.4201

305 x 1220 fabric hood

 

0554.4202

610 x 1220 fabric hood

 

0554.4209

Telescopic stand

 

0560.4200

Testo 420 DP

0635.8888

Air flow matrix

 

Temperature - NTC

Technical data

Measuring range

-4° to 158 °F / -20 to +70 °C

Accuracy

±1 °F (32° to 158 °F) / ±0.5 °C (0 to +70 °C)
±1.4 °F (-4° to 32 °F) / ±0.8 °C (-20 to +0 °C)

Resolution

0.1 °F / 0.1 °C

Reaction time

45 sec (t90)

Humidity - Capacitive

Technical data

Measuring range

0 to 100 %rH

Accuracy

±1.8 %rH + 3 % of mv at +77 °F / ±1.8 %RH + 3 % of mv at +25 °C
(5 to 80 %rH)

Resolution

0.1 %rH

Differential Pressure

Technical data

Measuring range

-0.480 to 0.480 InH₂O / -120 to +120 Pa

Accuracy

±2 % of mv + 0.002 InH₂O at +72 °F, 405 InH₂O / ±2 % of mv + 0.5 Pa at +22 °C, 1013 hPa

Resolution

0.001 InH₂O / 0.001 Pa

Reaction time

1 sec (t90)

Absolute Pressure

Technical data

Measuring range

280 to 440 InH₂O / 700 to 1100 hPa

Accuracy

±1 InH₂O / ±3 hPa

Resolution

0.1 InH₂O / 0.1 hPa

Reaction time

1 sec

Volume flow

Technical data

Measuring range

24 to 2354 CFM / 40 to 4000 m³/h

Accuracy

±3 % of mv + 7 CFM at +72 °F / ±3 % of mv + 12 m³/h at +22 °C
405 InH₂O (50 to 2060 CFM) / 1013 hPa (85 to 3500 m³/h)

Reaction time

1 sec (t90)

Resolution

1 CFM / 1 m³/h

General technical data

Technical data

EU-/EG-guidelines

EU-guideline 2014/30/EU

Warranty

2 years

Battery type

Alkaline, type AA

Battery life

40 h

Display size

3.5"

Display function

Dot matrix

Display ligthing

with illumination

Interface

Micro-USB; Bluetooth® 4.0 wireless technology

Memory

2 GB (internal)

Storage temperature

-4° to 140 °F / -20 to +60 °C

Weight

102 oz. / 2900 g

Dimensions

24 x 24 in. (Standard hood) / 610 x 610 mm (Standard hood)

Operating temperature

23° to 122 °F / -5 to +50 °C

Product Images (click to enlarge)
  • Testo 420 - Flow Hood
  • Testo 420 - Flow Hood
  • Testo 420 - Flow Hood
  • Testo 420 - Flow Hood
  • Testo 420 - Flow Hood
  • Testo 420 - Flow Hood
  • Testo 420 - Flow Hood