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testo 420 I Balometer Kit with airflow capture hood for large air supplies and returns and swirl outlets I With Bluetooth and optional NIST certification
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
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testo 420 I Balometer Kit with airflow capture hood Features
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Versatile: The testo 420 psychrometer hvac provides reliable data for air velocity, volume flow, absolute and differential pressure, air temperature, as well as relative humidity
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Efficient: The unique CEC approved psychrometer converts the turbulent air into a virtually uniform airflow, achieving particularly accurate data and calculations in the 24 to 2,354 CFM range
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Easy operation: Thanks to the lightweight design, ergonomic handles and tiltable display, the durable air flow tester offers a convenient application of overhead measurements
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MeasureQuick App: Follow all measurements remotely via Bluetooth from a smartphone or tablet or directly on your digital gauges hvac. Send results directly from the job site for a more convenient documentation
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Portable: Equipped with a removable control unit, the dew point monitor can be combined with an optional pitot tube and connection hose to enable measurements in ducts
About Testo 420 I Balometer Kit With Airflow Capture Hood
testo 420 airflow capture hood - Rapid measurements of airflow in large rooms and swirl outlets Volume flow is frequently measured at swirl outlets, and airflow measurements are often incorrectly measured due to the turbulent air from these outlets. The testo 420 volume flow capture hood with its removable control unit offers a convenient solution for measurements of flow velocity, volume flow, absolute pressure, temperature and relative humidity in large rooms and swirl outlets. Automatic zeroing ensures a higher accuracy for low pressure. Technical Data: TEMP measuring range: -4° to 158 °F / -20 to +70 °C Accuracy: ±1 °F (32° to 158 °F) / ±0.5 °C (0 to +70 °C) / ±1.4 °F (-4° to 32 °F) / ±0.8 °C (-20 to +0 °C) Humidity measuring range: 0 to 100 %rH Accuracy: ±1.8 %rH + 3 % of mv at +77 °F / ±1.8 %RH + 3 % of mv at +25 °(5 to 80 %rH) Differential Pressure measuring range: -0.480 to 0.480 InH₂O / -120 to +120 Pa Accuracy: ±2 % of mv + 0.002 InH₂O at +72 °F, 405 InH₂O / ±2 % of mv + 0.5 Pa at +22 °C, 1013 hPa Absolute pressure measuring range: 280 to 440 InH₂O / 700 to 1100 hPa Accuracy: ±1 InH₂O / ±3 hPa Volume flow measuring range: 24 to 2354 CFM / 40 to 4000 m³/h Accuracy: ±3 % of mv + 7 CFM at +72 °F / ±3 % of mv + 12 m³/h at +22 °C; 405 InH₂O (50 to 2060 CFM) / 1013 hPa (85 to 3500 m³/h) Dimensions: 24 x 24 in. (Standard hood) / 610 x 610 mm (Standard hood) Weight: 102 oz. / 2900 g Battery life: 40 hours Delivery Scope testo 420: 1 x testo 420 airflow capture hood control unit including USB cable and batteries 1 x Flow straightener 1 x Soft-shell protective case Delivery Scope testo 420 with NIST: 1 x testo 420 airflow capture hood control unit including USB cable and batteries 1 x Flow straightener 1 x Soft-shell protective case 1 x NIST certificate
