TESTO 420 Instruction Manual
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TESTO 420 Instruction Manual

Flow hood
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testo 420 · Flow Hood
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Summary of Contents for TESTO 420

  • Page 1 420 · Flow Hood Instruction manual...

  • Page 3: Table Of Contents

    5.1. Overview ................11 5.1.1. Measurement setup ....................11 5.1.2. Overview of testo 420 ....................12 First steps ................14 Using the product ..............16 7.1. Switching Bluetooth® on and off ........16 7.2. Settings for the measurement ..........17 7.2.1.
  • Page 4 1 Contents 9.2. Accessories and spare parts ..........24 Authorizations ............... 26 Pos : 2 /TD /--- Seitenw echsel --- @ 0\mod_1173774430601_0.docx @ 283 @ @ 1...

  • Page 5: Safety And The Environment

    2 Safety and the environment Pos : 3 /TD /Übersc hriften/2. Sic herheit und Umw elt @ 0\m od_1173774719351_79.docx @ 292 @ 1 @ 1 Safety and the environment Pos : 4 /TD /Übersc hriften/2.1 Zu di esem Dokum ent @ 0\mod_1173775252351_79.doc x @ 346 @ 2 @ 1 2.1.

  • Page 6: Ensure Safety

    Pos : 16 /TD/Ü berschriften/3. Leistungs beschr eibung @ 0\m od_1173774791554_79.docx @ 301 @ 1 @ 1 Specifications Pos : 17 /TD/Leistungs bes chr eibung/Verwendung/testo 4xx/tes to 420 @ 17\m od_1425631595907_79.docx @ 209797 @ @ 1 The testo 420 is used for volume flow measurements (main application), Pitot tube measurements and pressure measurements for air conditioning and ventilation systems.

  • Page 7: Technical Data

    Pos : 20 /TD/Leistungs bes chr eibung/T ec hnische D aten/testo 420 Tec hnische D aten @ 17\m od_1425631784177_79.docx @ 209831 @ @ 1 Feature...
  • Page 8 4 Technical data Feature Values Resolution Temperature: 0.1 °C / 0.1°F Humidity: 0.1% RH Flow velocity: 0.01 m/s Volume flow: 1 m³/h / 1 cfm Pressure (absolute pressure): 0.1 hPa / 0.1 mbar / 0.01 kPa Pressure (differential pressure): 0.001 Pa / 0.00001 hPa / 0.00001 mbar / 0.0001 mm H2O / 0.000001 inH2O Accuracy...
  • Page 9 4 Technical data Feature Values Please ensure that the volume flow hood is situated at the minimum distance from the floor. Incoming air (air flows from the outlet into the room): 1 x height of the flow hood. Outgoing air (air flows from the room into the duct): 0.5 x height of the flow hood.
  • Page 10 4 Technical data Feature Values Housing / Measuring instrument housing material: ABS measurement setup Body material: PP Standard hood material: Nylon Measuring instrument dimensions: 150x85x35 mm Body dimensions: 510x456x148 mm Dimensions of measurement setup with standard hood: 610x970x610 mm Weight of entire measurement setup approx.

  • Page 11: Product Description

    Pos : 22 /TD/Ü berschriften/4.1 Ü bersic ht @ 0\m od_1176379946003_79.docx @ 733 @ 2 @ 1 5.1. Overview Pos : 23 /TD/Produktbes chr eibung/Ü bersicht/testo 420 Übersicht @ 17\m od_1425889243259_79.docx @ 209867 @ 3355 @ 1 5.1.1. Measurement setup...

  • Page 12: Overview Of Testo 420

    5 Product description 5.1.2. Overview of testo 420 1 Battery compartment, on rear of the instrument 2 Display 3 Control keys 4 Probe socket Mini-DIN (only for use on the measurement base) 5 Micro-USB port 6 Connection for pressure measurement...
  • Page 13 The Pitot tube factor for Pitot tubes is Pitot Tube factor generally the same and must be entered: (P-factor) • Pitot tubes from Testo: 1.00 • Pitot tubes from other manufacturers: the Pitot tube factor can be found in the instruction manual or you should ask your supplier.

  • Page 14: First Steps

    Pos : 24 /TD/Ü berschriften/5. Erste Sc hritte @ 0\mod_1173774895039_79.docx @ 319 @ 1 @ 1 First steps Pos : 25 /TD/Erste Schritte/testo 420 erste Schi tte @ 17\m od_1425891939874_79.docx @ 209901 @ 55 @ 1 Inserting batteries/rechargeable batteries 1. Open the battery compartment.
  • Page 15 6 First steps 1. Menu Level 2. Menu Level 3. Menu Level Continous Measurement Continous/Punctual measuring duration measurement (nur für Staurohr) Memory New Folder T420 folder Display Volume Flow on/off Diff.Pressure on/off Temperature on/off Velocity on/off Humidity on/off Abs.Pressure on/off Device Settings Language English/German/Itali...

  • Page 16: Using The Product

    7.1. Switching Bluetooth® on and off Pos : 28 /TD/Produkt verw enden/testo 420/testo 420 - Bl uetooth ein- aussc halten @ 17\m od_1425901047781_79.docx @ 209970 @ 5 @ 1 To establish a connection via Bluetooth, you need the testo 400 (App version 14.31 or later) or a...

  • Page 17: Settings For The Measurement

    Bluetooth is disabled. is not displayed Pos : 29 /TD/Produkt verw enden/testo 420/testo 420 - Ei nstellungen z ur M ess ung mit Hinw eis @ 39\m od_1579602242871_79.docx @ 453261 @ 2333 @ 1 7.2. Settings for the measurement The sensor must not be exposed to volatile chemicals such as solvents (e.g.

  • Page 18: Volume Flow Measurement Setup

    Pos : 30 /TD/Ü berschriften/Ger äte Aufbau @ 17\m od_1425902162561_79.docx @ 210174 @ 2 @ 1 7.3. Volume flow measurement setup Pos : 31 /TD/Produkt verw enden/testo 420/testo 420 - Gerät aufbauen @ 17\m od_1425903346905_79.docx @ 210208 @ 555 @ 1 Standard hood (610x610 mm, scope of delivery; 360x360 mm, accessories) 1.
  • Page 19 7 Using the product Large hood (1220x610 mm, 1220x305 mm and 915x915 mm, accessories) 1. Install the aluminium frame and stretch the fabric hood over the framework, so that the elastic band lies in the recess of the frame. Make sure that the elastic band fits correctly, especially at the corners.

  • Page 20: Measuring

    1. Push the testo 420 completely into the instrument holder, pay attention to the catch on the right-hand and left-hand side in the bracket. Pos : 32 /TD/Produkt verw enden/testo 420/testo 420 - Mes sen @ 17\mod_1425903413252_79.doc x @ 210242 @ 2333225552 @ 1 7.4. Measuring 7.4.1.

  • Page 21: Pitot Tube Measurement

    7.4.2. Pitot tube measurement 1. Remove the testo 420 from the measurement base. 2. Connect the hoses to the testo 420 and to the Pitot tube. 3. Press -> Application ->...

  • Page 22: Saving

    7 Using the product 2. Connect the hoses to the testo 420 at + and -. 3. Press -> Application -> Pressure only. 4. Carry out the measurement. 5. Press to save the measurement data. Unsaved measurement data is lost once you carry out the next measurement.

  • Page 23: Transferring Measurement Data To The Pc

    Pos : 33 /TD/Ü berschriften/7. Produkt i nstand halten @ 0\m od_1173789831362_79.docx @ 397 @ 1 @ 1 Maintaining the product Pos : 34 /TD/Produkt i nstand halten/testo 420 - Ger ät r einigen @ 17\mod_1425901136654_79.docx @ 210004 @ 2 @ 1 8.1.

  • Page 24: Tips And Assistance

    Pos : 38 /TD/Ü berschriften/8.3 Z ubehör und Ers atz teil e @ 0\mod_1177402058734_79.doc x @ 1102 @ 2 @ 1 9.2. Accessories and spare parts Pos : 39 /TD/Ti pps und Hilfe/Z ubehör und Ers atz teil e/testo 420 - Zubehör und Ersatzteile @ 17\mod_1425901390545_79.docx @ 210140 @ @ 1 Description Article no.
  • Page 25 Pos : 40 /TD/Ti pps und Hilfe/Servic e-Informati onen (für PoD)/Kontaktdaten allgem ein @ 3\m od_1222264220446_79.docx @ 23423 @ @ 1 If you have any questions, please contact your dealer or Testo Customer Service. The contact details can be found on the back of...
  • Page 26 Pos : 42 /TD/Z ul assungen/D aten_tes to 420 @ 18\m od_1442496960925_0.docx @ 221831 @ @ 1 Country Comments...
  • Page 27 KCC Warning Türkiye Authorized TRA number: ER80557/20 United Kingdom (GB) The UK Declaration of Conformity can be found on the testo homepage www.testo.com under the product specific downloads. Product FCC ID: 2ACVD05600420 See FCC Warnings Bluetooth Feature Values SIG List Bluetooth®...
  • Page 28 Bluetooth® radio class Class 3 Bluetooth® company ID 10274 Declaration ID D025736 Member company Testo SE & Co. KGaA Comments Taiwan NCC: CCAB16LP2190T1 IC Warnings CAN ICES-003(B)/NMB-003(B): This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
  • Page 29 10 Authorizations (2) this instrument must be able to cope with interference, even if this has undesirable effects on operation. Cet appareil satisfait à la partie 15C des directives FCC et au standard Industrie Canada RSS-210 (révision 8). Sa mise en service est soumise aux deux conditions suivantes : (1) cet appareil ne doit causer aucune interférence dangereuse et (2) cet appareil doit supporter toute interférence, y compris des interférences qui provoquerait des opérations indésirables.
  • Page 30 10 Authorizations Brazil Information Este equipamento não tem direito à proteção contra interferência prejudicial e não pode causar interferência em sistemas devidamente autorizados. Este equipamento não é apropriado para uso em ambientes domésticos, pois poderá causar interferências eletromagnéticas que obrigam o usuário a tomar medidas necessárias para minimizar estas interferências.
  • Page 32 Testo SE & Co. KGaA Celsiusstraße 2 79822 Titisee-Neustadt Germany Telefon: +49 7653 681-0 E-Mail: info@testo.de Internet: www.testo.com 0970 4200 en 11 – 02.2024...

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