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testo 400 - Universal IAQ instrument
Order-Nr. 0560 0400
The testo 400 is the universal measuring instrument for all IAQ professionals. Measure, analyze and document all IAQ and comfort level parameters using just one instrument – simply, conveniently and in compliance with the standards. High-quality measuring technology, intuitive measurement assistants, versatile documentation options and a comprehensive selection of IAQ probes make the testo 400 the perfect partner for your day-to-day work.-
Smart, intuitive measurement programs including HVAC grid measurement as per EN ISO 12599 and ASHRAE 111, PMV/PPD and turbulence as per EN ISO 7730 and ASHRAE 55
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High-precision, location-independent and integrated differential pressure sensor
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Measure all IAQ-related parameters – with our wide range of probes for all IAQ measurements
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Document measuring values directly on the customer's site and send them by e-mail, or further analyze them using the testo DataControl PC software
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testo 440 - Air velocity and IAQ measuring instrument
Order-Nr. 0560 4401
Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements – thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).-
Intuitive: clearly structured measurement menus for volume flow, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂
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Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)
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Clear overview: large graphic display with parallel display of 3 readings
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Safe and reliable: internal data storage and USB port for data export
€ 260,00z DDV-om € 317,20 -
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testo 440 dP - Air velocity and IAQ measuring instrument including differential pressure sensor
Order-Nr. 0560 4402
Precise, reliable measurement of all air velocity and IAQ parameters with just one measuring instrument: the multifunction measuring instrument features an integrated differential pressure sensor and intuitive operation with clearly structured measurement menus. Adjusting air conditioning and ventilation systems, monitoring air quality or carrying out comfort level measurements – thanks to versatile options for combining with high-quality, digital probes, you are ideally equipped to carry out your measuring task (please order probes separately).-
Intuitive: clearly structured measurement menus for volume flow, K-factor, degree of turbulence, cooling/heating output, mould detection and long-term measurement, such as CO₂
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Wireless: Bluetooth® probes for extra convenience when measuring and less cable clutter in the measuring case (please order probes separately)
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Clear and reliable: large graphic display with parallel display of 3 readings as well as internal data storage and USB port for data export
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Includes a differential pressure sensor: for Pitot tube measurement and monitoring filters
€ 360,00z DDV-om € 439,20 -
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testo 521-1 - differential pressure measuring instrument (0.2 % of f.v.)
Order-Nr. 0560 5210
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.-
Integrated differential pressure sensor with an accuracy of 0.2 % of f.v.
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Calculation of the flow velocity and the volume flow via Pitot tube (optional)
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Multi-point and timed mean calculation
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2 probe inputs for additional pressure and temperature probes
€ 734,00z DDV-om € 895,48 -
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testo 521-3 - Differential pressure measuring instrument (up to 2.5 hPa)
Order-Nr. 0560 5213
The testo 521-3 high-precision differential pressure measuring instrument easily determines even the smallest differential pressures (up to +2.5 hPa). Its high accuracy and a resolution of 0.1 Pa make the instrument ideal for differential pressure measurements in clean rooms or for flue inspections.
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Integrated temperature-compensated differential pressure sensor with accuracy of up to ± 0.5 Pa
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Calculation of the flow velocity and the volume flow via Pitot tube (optional)
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Direct zeroing of the display values of pressure probes
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2 probe inputs for additional pressure and temperature probes
€ 754,00z DDV-om € 919,88 -
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testo 521-2 - differential pressure measuring instrument (0.1 % of f.v.)
Order-Nr. 0560 5211
The high-precision testo 521-2 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.-
Integrated differential pressure sensor with an accuracy of 0.1 % of f.v.
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Calculation of the flow velocity and the volume flow via Pitot tube (optional)
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Multi-point and timed mean calculation
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2 probe inputs for additional pressure and temperature probes
€ 917,00z DDV-om € 1.118,74 -
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testo 526-2 - High-precision differential pressure measuring instrument
Order-Nr. 0560 5281
The testo 526-2 high-precision differential pressure measuring instrument is ideally suited for checking pressure in sensitive industrial processes, thanks to a measuring accuracy of ± 0.05% of final value. Two additional pressure and temperature probes can also be attached.-
Temperature-compensated differential pressure sensor
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Multi-point and timed mean calculation
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Freely selectable measuring rate for recording measurement data
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2 additional probe inputs for the attachment of optional pressure and temperature probes
€ 917,00z DDV-om € 1.118,74 -
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testo 526-1 - High-precision differential pressure measuring instrument
Order-Nr. 0560 5280
Ideal for checking pressure in sensitive industrial processes: the testo 526-1 high-precision differential pressure measuring instrument with a measuring accuracy of ± 0.1% of final value. It also has two probe inputs for additional pressure and temperature probes.-
Temperature-compensated differential pressure sensor
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Multi-point and timed mean calculation
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Recording of measurement data with freely selectable measuring rate
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2 probe inputs for pressure and temperature
€ 684,00z DDV-om € 834,48 -
8 Products found