Table of Contents
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Instruction manual
General notes ......................................................2
1.
Safety instructions ..............................................4
2.
Intended purpose ................................................5
3.
Product description ............................................6
3.1
Display and control elements ..........................................6
3.2
Interfaces ......................................................................8
3.3
Voltage supply ................................................................8
4.
Commissioning ..................................................9
5.
Operation ..........................................................10
5.1
Connecting a probe ....................................................10
5.2
Switching on/off ..........................................................10
5.3
Display light ................................................................11
6.
Setting the instrument ......................................12
6.1
Configuration menu ......................................................12
6.1.1
Profile ............................................................................12
6.1.2
Units ..............................................................................13
6.1.3
Device ............................................................................13
6.1.4
Probe ............................................................................15
6.1.5
Language ......................................................................18
6.2
Main menu ..................................................................18
6.2.1
Memory (435-2 / -4 only) ................................................20
6.2.2
Measuring program (435-2 / -4 only) ..............................21
6.2.3
Mean ............................................................................22
6.2.4
P = 0 (435-3 / -4 only) ....................................................22
6.2.5
Calculation ....................................................................23
6.2.6
Parameter / Area ............................................................24
6.2.7
Cyclical Print (435-1/-3 only) ..........................................25
7.
Measuring ........................................................26
8.
Care and maintenance ......................................29
9.
Questions and answers ....................................30
10. Technical data ..................................................31
11. Accessories / spare parts ..................................33
Multifunction measuring instrument
Contents
testo 435
en
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Table of Contents
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Summary of Contents for TESTO 435
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Page 1: Table Of Contents
Memory (435-2 / -4 only) ..........20 6.2.2 Measuring program (435-2 / -4 only) ......21 6.2.3 Mean ................22 6.2.4 P = 0 (435-3 / -4 only) ............22 6.2.5 Calculation ..............23 6.2.6 Parameter / Area ............24 6.2.7 Cyclical Print (435-1/-3 only) ..........25 Measuring ............26... -
Page 2: General Notes
General notes General notes This chapter provides important advice on using this documentation. The documentation contains information that must be applied if the product is to be used safely and efficiently. Please read this documentation through carefully and familiarise yourself with the operation of the product before putting it to use. - Page 3 General notes 3 Short form This document uses a short form for describing operating steps (e.g. calling up a function). Example: Calling up the “Instrument data” function Short form: Device Inst.data Steps required: Press to select the Device function. Confirm selection with Press to select the Inst.data function.
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Page 4: Safety Instructions
Take faulty rechargeable batteries/spent batteries to the collection points provided for them. Send the product back to Testo at the end of its useful life. We will ensure that it is disposed of in an environmentally friendly manner. -
Page 5: Intended Purpose
Use the product only for those applications for which it was designed. Ask Testo if you are in any doubt. testo 435 is a compact, multifunction measuring instrument for measuring temperature, humidity and flow rate. The product was designed for the following tasks/applications: ·... -
Page 6: Product Description
Change display of the 2 reading line In configuration mode: Decrease value, select option Print data 435-1/-3 only: If the Cyclical Printing function is activated, the programmed measuring program is started. Switch instrument on, switch display light on/off; switch instrument off (press and hold) - Page 7 Open menu item “Measuring program“ (435-2/-4 only) 435> Measp Start test series (435-2/-4 only) Start End test series (435-2/-4 only), End Cyclical Print (435-1/-3 only) Save values (435-2/-4 only) Save Activate “Turb“ test series (435-2/-4 only with attached turbulence probe) Turb Open menu item “Area”...
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Page 8: Interfaces
3. Product description 3.2 Interfaces Infrared interface Measurement data can be sent to a Testo printer via the infrared interface on the head of the instrument. USB interface The mains unit (accessory part) can be connected to the head of the instrument via the USB interface to power the instrument. -
Page 9: Commissioning
4. Commissioning 9 Commissioning This chapter describes the steps required to commission the product. Inserting batteries/rechargeable batteries and a radio module (accessory part): Undo the two screws on the rear of the instrument and lift off the battery compartment cover. Insert batteries/rechargeable batteries (3x mignon) into the battery compartment. -
Page 10: Operation
5. Operation Operation This chapter describes the steps that are executed frequently when using the product. 5.1 Connecting a probe Plug-in probes Plug-in probes must be connected before the measuring instrument is switched on so that they are recognised by the instrument. Insert the connector of the probe into the probe socket of the measuring ... -
Page 11: Display Light
5. Operation 11 Switching the instrument off: Press and hold (for approx. 2s) until the display goes out. 5.3 Display light Switching the display light on/off: The instrument is switched on. Press ... -
Page 12: Setting The Instrument
6. Setting the instrument Setting the instrument This chapter describes the steps that are required in order to adapt the measuring instrument for specific measuring tasks. 6.1 Configuration menu The basic settings for the measuring instrument are performed in the configuration menu. -
Page 13: Units
6. Setting the instrument 13 6.1.2 Units Predefined systems and individual setting options: Parameter ISO system US system Individual setting options Temperature °C °F °C, °F Pressure inchH2O mbar, Pa, hPa, kPa, inchH2O Velocity m/s, fpm Volumetric flow rate m³/h ft³/min m³/h, l/s, ft³/min Length... - Page 14 6. Setting the instrument Battery type To ensure that the battery capacity is displayed correctly, the battery type used must be set. Setting the battery type: The configuration menu is open, config. is displayed. Device Bat-type Press Battery or ReBa and confirm with Auto OFF...
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Page 15: Probe
6. Setting the instrument 15 K-factor The querying of the K-factor (correction factor for areas) when entering the parameter „Area“.can be switched on/off. See chapter , p. 24. ARAMETER Switching K-f f actor on/off: The configuration menu is open, config. is displayed. ... - Page 16 , without changing the probe configuration. Humidity probe calibration (435-2/-4 only) This function is only available if a humidity probe is plugged in. The calibration values can be reset to the default settings (Reset). A 2-point calibration can be performed.
- Page 17 Start the calibration menu with Save calibration with or cancel calibration with P internal (435-3/-4 only) The internal pressure sensor can be switched on/off. Switching the internal pressure sensor on/off: The configuration menu is open, config. is displayed.
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Page 18: Language
6. Setting the instrument Pressure The function is only available when an absolute pressure probe is attached. You can set whether the absolute air pressure (measured with an absolute pressure probe) or the barometric air pressure (calculated from the measured absolute pressure and the input of the altitude above sea level). - Page 19 6. Setting the instrument 19 Menu overview testo 435-1/-3 Profile menu items Function Standard P = 0 (nur 435-3) Zero internal pressure sensor Area Set form, cross-section area, K-factor Calc. De/activate volume flow, differential temperature, dewpoint temperature, psychrometric temperature calculation;...
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Page 20: Memory (435-2/-4 Only)
Location Press to select the location to be activated and confirm with Protocol Saved measurement protocols can be printed out on a Testo printer (accessory part) via the infrared interface. Printing a measurement protocol: The main menu is open, Menu is displayed. -
Page 21: Measuring Program (435-2/-4 Only)
The main menu is open, Menu is displayed. Memory Delete Press to clear the entire memory. 6.2.2 Measuring program (435-2/-4 only) A measuring program can be programmed and activated/deactivated: Designation Description Measuring program switched off: Readings can be stored manually AUTO Automatic measuring program: The measuring cycle (min. -
Page 22: Mean
- The instrument returns to measurement view. 6.2.3 Mean The menu item Mean value calculation is only available in the instrument testo 435-2/-4. In the instrument testo 435-1/-3, the function Mean value calculation is called up with the function button Mean For carring out Mean value calculation see chapter Measuring, p. -
Page 23: Calculation
, p. 24. ARAMETER The following variables can be calculated: · Flow velocity (435-3/-4 only) · Volumetric flow rate · Dew point (below 0°Ctd / 32°Ftd frost point temperatures are displayed) · Psychrometric temperature · Enthalpy (Heating/cooling performance of assemblies) The heat transfer coeffiient (alpha) required for the calculation of the U-value can be set. -
Page 24: Parameter/Area
Parameters used for calculating variables: Parameters Calculated measuring variables Temp. (reference temperature) Flow velocity, volumetric flow rate (for measurement with a (435-3/-4 only) pitot tube) Humid. (reference humidity) Flow velocity, volumetric flow rate (for measurement with a (435-3/-4 only) pitot tube) Pres. -
Page 25: Cyclical Print (435-1/-3 Only)
(200 x 200mm) and a funnel for measurements at ventilation outlets (330 x 330mm) in combination with the testo 435 and with the 100mm vane probe 0635 9435. The main menu is open, Menu is displayed. -
Page 26: Measuring
6. Setting the instrument Activating cyclical printing/programming a measuring program: The main menu is open, Menu is displayed. cyc.Print Press to select Off (deactivated) or On (activated) and confirm with . The measuring cycle is set in the order: minutes/hours. Press to set the measuring cycle in minutes and confirm with Perform the setting for hours as described in step... - Page 27 Taking a measurement: The instrument is in measurement view. The measuring program AUTO or TURB is not activated (435-2/-4 only). Put the probe in position and take the readings. Changing the upper measurement channel line display: ...
- Page 28 Press to include readings. Pick Press to stop mean calculation. Only testo 435-2 / -4 in the profile Duct measurement and with hole query activated (see chapter , p. 13): EVICE With , enter number of holes and confirm with Running the AUTO or TURB measuring program (435-2 2 /-4 4 only): ...
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Page 29: Care And Maintenance
8. Care and maintenance 29 Care and maintenance This chapter describes the steps that help to maintain the functionality of the product and extend its service life. Cleaning the housing: Clean the housing with a moist cloth (soap suds) if it is dirty. Do not use ... -
Page 30: Questions And Answers
· Power supply was interrupted for a · Re-enter instrument settings. no longer correct long time. If we are unable to answer your question, please contact your dealer or Testo Customer Service. For contact data, see back of this document or web page www.testo.com/service-contact... -
Page 31: Technical Data
CO2/IAQ probe 0...+10000ppm Depends on probe 1ppm Lux/Lux probe 0...100000Lux Depends on probe 1Lux (testo 435-2/-4 only) Pressure/internal 0...+25hPa ±0.02hPa (0...+2hPa) 0.01hPa differential pressure probe (Overload: 200hPa) ±1% of reading (rest of range) (testo 435-3/-4 only) CO/Ambient CO probe 0...500ppm... - Page 32 Probe connections 1x Omega TC socket, 1x Mini-DIN socket, radio module (accessory), 435-3/-4 only: 2x pressure nipple Memory 435-2/-4 only: max. 99 locations, up to 10000 readings (depending on number of locations, protocols, channels) Battery life 160h (typical for vane measurement)
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Page 33: Accessories/Spare Parts
(testo 435-2/-4 only) 0430 9735 Absolute pressure probe 2000hPa 0638 1835 Pressure dew point probe for measurements in compressed air systems (testo 435-2/-4 only) 0636 9835 Hot wire probe for m/s and °C, probehead 7.5mm diameter, telescopic to max. 820mm 0635 1025 IAQ probe to assess Indoor air quality, CO“, humidity, temperature and... - Page 34 Notes...
- Page 35 Notes 35...
- Page 36 AG Postfach 11 40, 79849 Lenzkirch Testo-Straße 1, 79853 Lenzkirch Telefon: (07653) 681-0 Fax: (07653) 681-100 E-Mail: info@testo.de Internet: http://www.testo.com 0977 4350 en 06 V02.10 en...