Testo 420 Volume Flow Capture Hood
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₹297,500.00
(GST 18% Exclusive)
4050
Testo 420 Volume Flow Capture Hood is the light, exact and convenient solution for directing volume flows at bigger air intakes and outlets. At twirl outlets specifically, the flow straightener significantly diminishes the standard measurement errors.
Applications: Industry, Office Rooms, or in clean rooms.
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Testo 420 Volume Flow Capture Hood for larger air inlets and outlets enables fast and precise calculation of the overall air capture on HVAC systems. It helps in frequent air capture calculations in large rooms and measurements above head height can also be carried out reliably and comfortably, thanks to its ergonomic handles and tiltable display which results in a significant loss in the overall weight of the instrument. The testo 420 measuring instrument enables you to measure flow velocity, air capture, absolute pressure, temperature, and relative humidity. The automatic zeroing ensures higher accuracy for low pressures. All measuring values are easy to read on the large display which has an illumination function. For analyses and documentation, measurement data can be saved and measurement protocols created directly on-site using the App connection. Administration of the measurement data is very easy on the PC without any additional software via the plug & play function. Air Flow Capture Hood with its integrated measuring instrument was not just developed for air capture measurement at larger ceiling outlets. The measuring instrument can also be taken off the hood and used for pressure, flow, and air capture measurements in the duct. This means you can save on the purchase of an additional measuring instrument. You merely have to attach a Pitot tube and connection hoses (both optional) for measurements in ducts. Timed and multi-point mean calculation, as well as the combination of the two, together with the simple input of the duct geometry, provide you with support for measurements in ducts.
- Significantly light with a weight of 2.9 kg
- Precise measurement even at swirl outlets
- App integration via Bluetooth for fast and easy monitoring and reporting on site
- A removable and tiltable measuring instrument with a large display
Additional information
| Weight | 3.5 kg |
|---|---|
| Manufacturer | Testo |
| Model No | 420 |
| Measuring Parameters | Absolute Pressure, Differential Pressure, Humidity, Temperature, volume flow |
| Volume flow | 40 to 4000 m³/h |
| Accuracy | 1013 hPa For 85 to 3500 m³/h, ±3% of mv + 12 m³/h at +22°C |
| Resolution | 1 m³/h |
| Temperature | -20 to +70 °C |
| Accuracy | ±0.5°C For 0 to +70 °C, ±0.8°C For -20 to +0°C |
| Resolution_1 | 0.1 ℃ |
| Humidity | 0 to 100 %RH |
| Accuracy | ±1.8 %RH + 3 % of mv at +25 °C and (5 to 80 %RH) |
| Resolution | 0.1 %RH |
| Differential Pressure | -120 to +120 Pa |
| Accuracy | ±2 % of mv + 0.5 Pa at +22 °C, 1013 hPa |
| Resolution | 0.001 Pa |
| Absolute Pressure | 700 to 1100 hPa |
| Accuracy | ±3 hPa |
| Resolution | 0.1 hPa |
| Display | Dot matrix with illumination 3.5 inch |
| Operating Temperature | -5 to +50 °C |
| Operating Humidity | 0 to 100 %RH |
| Storage Temperature | -20 to +60 °C |
| Interface | Micro USB |
| Reaction time | 45 s (t90) |
| Memory | 2 GB internal (approx. 18,000 measurements) |
| Battery | Alkali manganese, mignon, Type AA |
| Battery Life | 40 h (Zeroing interval 10 seconds, display illumination off, Bluetooth off) |
| Box Contains | Testo 420 air capture hood including measuring instrument, 610 x 610 mm hood, 5 x tension rods, USB cable, batteries and trolley. |
| Certifications | EU-guideline 2014/30/EU |
| Dimensions | 610 X 610mm (Standard Hood) |
| Weight | 2.9 kg |
testo-420-Data-sheet
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