The high-precision testo 521-1 differential pressure measuring instrument is ideal for accurate differential pressure measurements in air conditioning and ventilation technology, for instance for pressure drop on filters, checking fans and extractors or for Pitot tube measurements.

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Are you familiar with the alternative?<br/>Why not enjoy the benefits that it has to offer:<br/> <a href="…/p/0560-5210">>> To the product</a><br/>

<div style="background-color:#dae4ea; border: 1px solid #648798; padding: 10px;"><b>Product no longer available. Are you familiar with the alternative?<br/>Why not enjoy the benefits that it has to offer: <a href="…/p/0563-1512">>> To the product</a></b></div>

High pressure probe, refrigerant-proof stainless steel, up to 30 bar

High pressure probe, refrigerant-proof stainless steel, up t...

HVAC Contractors

footer

imprint

privacy-policy

header

header-2025

Choose Your Country

contact

logins

testo-saveris-footer

testo-saveris-header

HQ instrument 

Solutions

Saveris-Home

Home 2025

Pressure measurement	Measuring range -1 to +30 bar
	Accuracy ±1 % of fsv
	Overload rel. (low pressure) 120 bar

General technical data	Operating temperature -40 to +100 °C
General technical data	Zeroing 0.3 bar

High pressure probe, refrigerant-proof stainless steel, up t...

High pressure probe, refrigerant-proof stainless steel, up t...

Pressure measurement

Pressure measurement

General technical data

General technical data