Are you visiting bsria.com from outside your region? Visit your regional site for more relevant services and pricing.
Available to purchase is the Testo 420 air balancing balometer with 610 x 610mm hood, x5 tension rods, USB cable, batteries, trolley and manufacturers calibration protocol. Optional UKAS (ISO 17025) and ISO traceable certificates are also available from Instrument Solutions. ### 10% discount special summer offer valid until 31 Aug 2022. List price GBP 1999.00 NOW ONLY GBP 1799.10 ###
The Testo 420 is an easy to use high accuracy lightweight volume flow hood specifically designed for the HVAC market which includes use in clean rooms and systems employing the use of swirl diffusors. The standard assembly with the 610 mm x 610 mm hood weighs just 2.9 kg which makes the instrument ideal for use over extended periods, and it has been designed with the user in mind with ergonomic handles, adjustable display panel, a long battery life and a range of accessories.
Air volume range 40 to 4000 m3/h (11.1 to 1111.1 l/s)
Air volume measurement units m3/h, m3/min, cfm and l/s
Air volume accuracy ±3 % of m.v. + 12 m3/h ± 1 digit
Differential pressure range 0 to 120 Pa
Differential pressure units Pa, hPa, mbar, mmH2O and inH2O
Differential pressure accuracy ± 2 % of m.v. + 0.05 Pa
Differential pressure resolution 0.0001 Pa