testo 420
€972.18
Product information "testo 420"
Differential Pressure Measuring Instrument for 0...120 Pa testo 420
Testo differential pressure measuring instruments measure pressure at filters, fans, burners and in ventilation systems. They are essential for balancing, commissioning and maintenance in heating, air conditioning and ventilation systems.
Key Benefits at a Glance
- Differential pressure measurement, e.g. for checking filters in air conditioning and ventilation systems
- Calculation of air velocity and volumetric flow rate using a Pitot tube
- Handy instrument with a large display and user-friendly menu navigation
- Store measurement data for analysis and documentation
Scope of delivery
Differential pressure measuring instrument testo 420 including batteries and calibration report.Technical specifications
| Differential pressure – piezoresistive | |
|---|---|
| Measuring range | -120 to +120 Pa, +0,1 to +14 m/s |
| Accuracy | ±2 % of measured value + 0,5 Pa at +22 °C, 1013 hPa |
| Resolution | 0,001 Pa, 0,01 m/s |
| Response time | 1 s (t₉₀) |
| Absolute pressure | |
| Measuring range | 700 to 1100 hPa |
| Accuracy | ±3 hPa |
| Resolution | 0,1 hPa |
| Response time | 1 s |
| General technical specifications | |
| Dimensions | 150 x 85 x 35 mm |
| Operating temperature | -5 to +50 °C |
| EU/EC Directives | EU Directive 2014/30/EU |
| Battery type | Alkaline manganese, AA batteries |
| Battery life | 40 h |
| Display size | 3.5" |
| Display functions | Dot matrix |
| Display brightness | With backlighting |
| Interfaces | Micro-USB |
| Memory | 2 GB (internal) |
| Storage temperature | -20 to +60 °C |
Operating conditions
Battery-powered handheld instrument for commissioning and maintenance.
- Operating temperature: -5 to +50 °C
- Battery type: alkaline manganese, AA batteries
- Battery life: 40 h
- Storage temperature: -20 to +60 °C
- For construction sites
- For production environments
- For temporary use
- Not suitable for potentially explosive atmospheres (no ATEX certification)
Typical applications
Skilled trades · Building management & facilities · Engineering & technical services · Energy supply
Product information
- Manufacturer: Testo SE & Co. KGaA, Celsiusstraße 2, 79822 Titisee-Neustadt, Germany
- Manufacturer's part number: 0560 0420
Downloads
- EU Declaration of Conformity testo 420 (PDF, German)
- Instruction manual testo 420 (differential pressure measuring instrument) (PDF, German)
- UK Declaration of Conformity testo 420 volume flow hood (PDF, English)
- Instruction manual testo 420 (differential pressure instrument) (PDF, English)
- Technical data sheet (PDF, German)
- Technical data sheet (PDF, English)
We offer additional discounts for larger order quantities. Let us know the quantity required and we will prepare a tailored quotation.
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Technical Details
| Operating Conditions: | For construction sites, For production environments, For temporary use |
|---|---|
| Primary Function: | Measuring & Testing |
| Sectors/Industry: | Building & Facility Management, Energy Supply & Wind Power, Maintenance & Technical Services, Trades & Workshops |
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