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TESTO 324 Instruction Manual

Leakage rates measuring instrument
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testo 324 - Leakage rates measuring instrument
Instruction manual

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  • Page 1 324 - Leakage rates measuring instrument Instruction manual...

  • Page 3: Table Of Contents

    Display ......................18 4.1.4. Instrument connections .................. 19 4.1.5. Interfaces ....................... 19 4.2. testo 324 in the case system with feeding unit ......20 First steps ....................22 5.1. Commissioning ................22 5.2. Getting to know the product ............22 5.2.1.
  • Page 4 1 Contents 5.4. Measurement records ..............29 5.5. Instrument diagnosis ..............30 Using the product ................. 31 6.1. Performing settings ............... 31 6.1.1. Assigning the right function key ..............31 6.1.2. Instrument settings ..................31 6.1.2.1. Units ....................31 6.1.2.2. Date/Time ..................32 6.1.2.3.
  • Page 5 1 Contents Maintaining the product ................ 74 7.1. Cleaning the measuring instrument ..........74 7.2. Regular calibration ................. 74 7.3. Replacing the gas bladder ............. 74 Tips and assistance ................75 8.1. Questions and answers ..............75 8.2. Accessories and spare parts ............75 8.3.

  • Page 6: Safety And The Environment

    2 Safety and the environment Safety and the environment 2.1. About this document This document describes the product testo 324 with the instrument setting Country version | Germany. > Please read this documentation through carefully and familiarize yourself with the product before putting it to use. Pay particular attention to the safety instructions and warning advice in order to prevent injuries and damage to the products.
  • Page 7 2 Safety and the environment Symbols and writing standards Represen- Explanation tation Note: Basic or further information. 1..Action: more steps, the sequence must be followed. 2..> ... Action: a step or an optional step. Result of an action. Symbols and writing standards Display Explanation...

  • Page 8: Ensure Safety

    Use only original spare parts from Testo. > Any further or additional work must only be carried out by authorised personnel. Testo will otherwise refuse to accept responsibility for the proper functioning of the measuring instrument after repair and for the validity of certifications.

  • Page 9: Protecting The Environment

    > Dispose of faulty rechargeable batteries/spent batteries in accordance with the valid legal specifications. > At the end of its useful life, send the product to the separate collection for electric and electronic devices (observe local regulations) or return the product to Testo for disposal.

  • Page 10: Specifications

    3 Specifications Specifications 3.1. testo 324 The testo 324 is a leakage measuring instrument for the professional performance of the following measuring tasks: • Pretest and main test on gas pipes • Determining the usability of gas pipes • Measuring low pressure against atmospheric pressure •...

  • Page 11: Physical Principles

    Feeding unit When used in conjunction with the testo 324 leakage measuring instrument, the feeding unit (gas bladder) enables leakage measurement to be carried out independently of the gas supply.

  • Page 12: Technical Data

    3 Specifications within the range of 15 °C to 25 °C with a maximum deviation of ± 2 °C. Only then can a measurement be carried out. During the stability time at the start of each measurement, this check is carried out automatically and a warning is issued if the temperature and therefore the pressure fluctuates too greatly.

  • Page 13: Declaration Of Conformity

    Turkey Authorized 3.2.3. Declaration of conformity You can find the EU declaration of conformity on the Testo homepage www.testo.com under the product-specific downloads. 3.2.4. Measuring ranges and accuracies Measurement Measuring...

  • Page 14: Other Instrument Data

    3 Specifications Measurement Measuring Accuracy Resolution type range 0…25 bar 0…10 bar: 10 hPa Pressure ± 0.6 % of fullscale measurement with a high >10…25 bar: pressure probe ± 0.6 % of fullscale (optional) -40…600 °C ± 0,5°C 0,1°C Temperature (0,0...100,0 °C) measurement TC type K...
  • Page 15 USB or Bluetooth (option) Battery charge time Approx. 5-6 h Rech. batt. life > 5 h (pump on, 20°C ambient temperature) Supported 0554 0549, 0554 0547, 0554 0544 or testo printer 0554 0553, 0554 0620 (with Bluetooth option) ® Bluetooth (option) Range <...

  • Page 16: Product Description

    4 Product description Product description 4.1. Measuring instrument 4.1.1. Overview...

  • Page 17: Keypad

    4 Product description 1 Switch on/off 2 Attachment eye for carrying strap 3 Interfaces (USB, infrared) and reset button CAUTION Risk of injury from infrared beam! > Do not direct infrared beam at human eyes! 4 Display 5 Keypad 6 Instrument connections 4.1.2.

  • Page 18: Display

    4 Product description 4.1.3. Display 1 Status bar (dark grey background): • Warning symbol (only if there is an instrument error, display of error in instrument diagnosis menu), otherwise: Instrument designation. • Symbol • Display of date and time. ® •...

  • Page 19: Instrument Connections

    4 Product description 4.1.4. Instrument connections 1 Mains unit socket 2 Probe sockets for connecting the temperature probe or the high pressure probes 3 Pressure connection 1.2 bar for connecting a pressure hose 4 Pressure connection for connecting a feeding unit or a pressure hose 4.1.5.

  • Page 20: Testo 324 In The Case System With Feeding Unit

    4 Product description 4.2. testo 324 in the case system with feeding unit Overview 1 Transport case 2 testo 324 3 Feeding unit (gas bladder) 4 Storage compartment for instruction manual 5 Hand pump 6 Holder for gas leak detection instrument testo 316-2 or...
  • Page 21 4 Product description 9 Connection block with shut-off valve for pump, instrument and hose connection 10 Storage compartments for accessories...

  • Page 22: First Steps

    5 First steps First steps 5.1. Commissioning testo 324 The testo 324 has a permanently installed rechargeable battery. > Charge the rechargeable battery fully before using the measuring instrument. > Remove the protective film from the display. Feeding unit Flushing is required when starting up the unit for the first time, after replacing the gas bladder and when changing the medium.

  • Page 23: Rechargeable Battery Care

    When the instrument is switched on, the valves of the testo 324 are activated. Four short acoustic signals are output. If fewer than 4 acoustic signals are sounded, the testo 324 must be switched on and off several times before use until 4 signals are sounded.

  • Page 24: Calling Up The Function

    5 First steps 5.2.4. Calling up the function 1. Select function: [▲], [▼]. A box appears around the selected function. 2. Confirm selection: [OK]. The selected function is opened. 5.2.5. Entering values Some functions require values (numbers, units, characters) to be entered.
  • Page 25 5 First steps Input editor 1. Select the value (characters) to be changed: [▲], [▼], [◄], [►]. 2. Adopt the value: [OK]. Options: > Toggle between upper/lower case: ← → → → select Ι &$/ Ι : [▲], [▼] → [ABC &$/].

  • Page 26: Printing/Saving Data

    5 First steps 5.2.6. Printing/saving data Data is printed out via the key To be able to transfer data to a record printer via infrared or Bluetooth interface, the printer used must be enabled, see Printer, page 32 Data is saved via the Options menu.

  • Page 27: Switching Off

    5 First steps 5.2.8. Switching off Unsaved measuring values are lost if the testo 324 is switched off. > Press The measuring instrument switches off. 5.3. Address/location All measuring values can be saved under the currently active location. Measuring values that have not been saved are lost when...
  • Page 28 5 First steps Search 1. Edit search criterion: [►] → [Edit]. 2. Select search criteria: [▲], [▼] → [OK]. Possible options: • Contact person • Folder name • Town/city • Postcode • Street The selected criterion is displayed. 3. Call up entry field for search text: [►] or [▼] >...

  • Page 29: Measurement Records

    5 First steps Creating new addresses: [Options] → New address → [OK]. 2. Enter values or make settings. 3. Finalise the entry: [Finished]. Additional address options: • Edit address: make changes to an existing folder. • Copy address: make a copy of an existing address. •...

  • Page 30: Instrument Diagnosis

    5 First steps 5.5. Instrument diagnosis Important operating values and instrument data are displayed. A main test can be carried out. Instrument errors that have not yet been rectified can be displayed. Call up function: > → Instrument diagnosis → [OK]. Error diagnosis >...

  • Page 31: Using The Product

    6 Using the product Using the product 6.1. Performing settings 6.1.1. Assigning the right function key The right function key can have a function from the Options menu assigned to it. The menu Options is accessed via the left function key and is available in many different menus.

  • Page 32: Date/Time

    6 Using the product 1. Select the line: [▲], [▼] → [Edit]. 2. Select the unit to be changed: [▲], [▼] → [OK]. 3. Confirm the entry: [Finished]. 6.1.2.2. Date/Time Date, time mode and time can be set. Calling up the function: >...

  • Page 33: Bluetooth

    Bluetooth interface is enabled, see Bluetooth®, page 33. When using the testo IrDA record printer 0554 0547, the testo IrDA fast printer 0554 0549 must be selected. Graphics can be printed out using the following Testo printers:...

  • Page 34: Inspector

    6 Using the product Messzeit Measuring rate < 15 min > 15 min 1 min If the automatic measuring rate is switched off, a measuring rate of 1 second is used, irrespective of the measuring time. Call up a function: >...

  • Page 35: Country Version

    6 Using the product 6.1.2.10. Country version The country version with national defaults (measurement types, standard values) can be set. The selection of the country version influences the menu languages that can be enabled. Call up function: > → Instrument settings →...

  • Page 36: Gas Type

    6 Using the product 6.1.3. Gas type The gas type can be selected. The gas-specific coefficients and threshold values can be set. In order to maintain the measuring accuracy of the instrument, the correct gas must be selected or configured. Correct representation of measuring results is only assured if the threshold values for the ideal range of the corresponding measurement task have been set correctly.

  • Page 37: Measuring

    6 Using the product Setting coefficients: 1. Select gas type → [Coeff.]. 2. Select the coefficients: [Edit]. Possibly: > Enter password: [Enter] → Enter password → [Finished] → [OK]. 3. Set values → [OK]. 4. Save changes: [Finished]. 6.2. Measuring 6.2.1.

  • Page 38: Options Menu

    The tests can also be carried out in step-by-step. • All tests must be documented. To protect the testo 324, it is necessary to ensure that the gases flowing into the pipes are free of oil, dust and moisture. Setting the location and gas type...

  • Page 39: Pipe Volume

    6 Using the product 6.2.3. Pipe volume Based on the pipe volume calculation, unknown pipe volumes can be determined and allocated to the relevant measuring location. Particularly for the tightness test, where the stability time and measurement time depends on the pipe volume, the advantage is even more accurate and more reliable measurement.

  • Page 40: Gas Pipe (Trgi 2008)

    6 Using the product 6.2.4. Gas pipe (TRGI 2008) WARNING Risk of explosion due to hazardous gas/air mixtures > Do not feed air into pipes carrying gas. > Observe the information for the instrument if there is a risk that air is being routed into pipes carrying gas.

  • Page 41: Pretest

    6 Using the product Test type Explanation This measurement is carried out for newly Combined laid pipe systems with operating pretest/main test pressures of 100 mbar to 1 bar. The test includes pipe systems including fittings, but without gas pressure controllers, gas appliances, gas meters and relevant regulating and safety devices.
  • Page 42 6 Using the product Parameter Explanation Test pressure (target) Adopt or set test pressure According to DVGW TRGI 2008, the test pressure (target) is 1000 mbar Pressure Set pressure 1. Edit values: [Edit]. 2. Enter values. [▲], [▼] and sometimes [◄], [►] →...

  • Page 43: Main Test

    6 Using the product 6.2.4.2. Main test The main test (using air or inert gas such as CO2 or N2) is a tightness test for pipes including fittings, but without gas appliances and the relevant regulating and safety devices. The main test is carried out after a successfully completed pretest on newly laid gas pipes or after renovation of existing gas pipes and is used for the acceptance of these pipes.

  • Page 44: Leakage Test (Leakage Measurement)

    The pipe system may be in operation or disused For the serviceability test, the testo 324 can be operated together with the feeding unit. The feeding unit supplies the test medium (gas or air).
  • Page 45 6 Using the product Test pressure: • Operating pressure <30 mbar = reference pressure (23 mbar) • Operating pressure >30 mbar = operating pressure According to DVGW TRGI 2008, the stability time and measurement period depend on the pipe volume. •...
  • Page 46 6 Using the product Zeroing starts (5 s) Regulation Option > End stability time early: [Next] > End measurement period early: [Next] Measurement is cancelled. Leakage test (leakage measurement) is ended. 2. Evaluate measurement result: [▲], [▼] → [OK]. The measurement result is displayed 3.

  • Page 47: Combined Pretest/Main Test

    6 Using the product 6.2.4.4. Combined pretest/main test The combined pretest/main test is carried out on newly laid pipe systems with operating pressures of 100 mbar to 1 bar. The test includes pipe systems including fittings, but without gas pressure controllers, gas appliances, gas meters and relevant regulating and safety devices.

  • Page 48: Caravan Check

    6 Using the product 2. Evaluate measurement result: [▲], [▼] → [OK]. The measurement result is displayed 3. Save measurement result: [Save]. Options > [Options] → Show Graphic: a section of past measuring values is displayed in a line graph (zoom function available [▲], [▼]).
  • Page 49 6 Using the product 1. Edit values: [Edit]. 2. Enter values: [▲], [▼] and sometimes [◄], [►] → [OK]. Carry out caravan check 1. Start measurement: Zeroing starts (5 s). Test pressure (nom.) is built up automatically. If the test pressure (nom.) is not reached after 2 min. 30 sec., the pressure build-up is terminated and an information is displayed.

  • Page 50: Liquid Gas (Dvgw Trf 2012)

    6 Using the product 6.2.5. Liquid gas (DVGW TRF 2012) CAUTION Avoid damage to the instrument due to high pressure! > The test pressure of 1.2 bar must not be exceeded. Liquid gas pipes must be subjected to a pressure test and a main test before corrosion protection is applied, before plastering or any other covering work and before a liquid gas vessel is commissioned (filled).

  • Page 51: Pressure Test

    6 Using the product • Repeated testing PS >0.5 bar Pipelines with PS >0.5 bar must be subjected to a pressure test every 10 years. Pipelines with DN > 25 must be subjected to a main test under operating conditions every 2 years. •...

  • Page 52: Main Test

    6 Using the product 3. Evaluate measurement result: [▲], [▼] → [OK]. The measurement result is displayed 4. Save measurement result: [Save]. Options > [Options] → Show Graphic: a section of past measuring values is displayed in a line graph (zoom function available [▲], [▼]).

  • Page 53: Repeated Testing (Ps>0.5 Bar / Ps<=0.5 Bar)

    6 Using the product Carrying out a main test 1. Start measurement: The test pressure (target) is built up automatically by the instrument. Zeroing starts (5 s) Option > End stability time early: [Next] > End measurement period early: [Next] Measurement is cancelled.
  • Page 54 6 Using the product Setting parameters Parameter Explanation Stability time Set stability time Measurement period Set measurement period TRF 2012 stipulates a measurement period of 10 min. Test pressure (target) Set test pressure According to TRF 2012, the test pressure is 150 mbar. 1.

  • Page 55: Carrying Out Repeated Testing Ps <0.5 Bar

    6 Using the product 6.2.5.4. Carrying out repeated testing PS <0.5 bar The aim of this testing is to establish, at the time of testing, whether the pipe is in proper working condition for the intended application and can satisfy the requirements until the next test. Call up a function: >...

  • Page 56: Drinking Water (Zvshk Sheet As Per Din En 806-4)

    6 Using the product Options > [Options] → Show Graphic: a section of past measuring values is displayed in a line graph (zoom function available [▲], [▼]). > [Options] → Manometer: The measuring values are displayed in the same way. >...

  • Page 57: Testing With Air - Main Test

    6 Using the product It is guaranteed that the house or construction site water connections are approved for connection and operation. The pipe system is filled hygienically. The system remains fully filled from the main test up until commissioning (no partial filling!). 6.2.6.1.

  • Page 58: Testing With Air - Pretest

    6 Using the product Option > End stability time early: [Next] > End measurement period early: [Next] Main test is ended. 2. Evaluate measurement result: [▲], [▼] → [OK]. The measurement result is displayed 3. Save measurement result: [Save]. Options >...
  • Page 59 6 Using the product Setting parameters Parameter Explanation Stability time Set stability time Measurement period Set measurement period According to DIN EN 806-4, the test time is 10 min. Nominal diameter Select nominal diameter Test pressure (target) Set test pressure According to DIN EN 806-4, the test pressure for DN 50 pipes is 3 bar and for DN 50-100 pipes, it...

  • Page 60: Test With Water

    6 Using the product > [Options] → Settings: The type of test (reference pressure/operating pressure) can be set and the reference pressure of 23 mbar is displayed. 6.2.6.3. Test with water A high pressure probe is required for this test. Calling up the function: >...
  • Page 61 6 Using the product Parameter Explanation Test pressure (target) Set test pressure The ZVSHK sheet as per DIN EN 806-4 stipulates the following times and pressures: • Testing crimp connections: pressure max. 6 bar, test time 15 min • Testing metal multi-layer composite and PVC pipes: pressure max.

  • Page 62: Waste Water (Din En 1610) With Air

    6 Using the product Option > End stability time early: [Next] > End measurement period early: [Next] Measurement is cancelled. Pressure test is ended. 3. Evaluate measurement result: [▲], [▼] → [OK]. The measurement result is displayed 4. Save measurement result: [Save]. Options >...

  • Page 63: Programs

    6 Using the product Carrying out a main test 1. Start measurement: Zeroing starts (5 s) Test pressure (target) is built up automatically by the instrument Option > End stability time early: [Next] > End measurement period early: [Next] Measurement is cancelled. Main test is ended.
  • Page 64 6 Using the product Calling up the function: > → Measurements → [OK] → Programs → Spot measurement → [OK] → Enable. Current measuring values are displayed Zeroing starts (5 s) Option Spot 1. [Edit]. measurement 2. Edit program name: → [Edit] →...

  • Page 65: Programs 2-5

    6 Using the product 6.2.8.2. Programs 2-5 Four measurement programs for different measurement types can be configured and enabled. The measurement programs are used to save and represent measuring sequences. At the end of the measuring process, the measuring values of a measurement program are automatically saved in a record.
  • Page 66 6 Using the product Parameter Function Stability time 1. Select the program: [▲], [▼] → [Edit]. 2. Select Measuring rate: [▼], [►] → [Edit]. 3. Enter values. [▲], [▼] and sometimes [◄], [►] → [OK]. 4. Save changes: [OK]. Selectable measurement parameters Measurement Description parameter...
  • Page 67 6 Using the product Measurement Description parameter Start temperature Start temperature at T1 or T2 (ext) End temperature (ext) End temperature at T1 or T2 Diff Temp. (ext) Difference between the start temperature and the current temperature at T1 or T2 T1(ext)←→T2(ext) Differential temperature between the current temperature at probe socket T1...

  • Page 68: Controller Test

    6 Using the product Carry out the steps according to the notes on the display and confirm with [OK]. If the set test pressure (target) is greater than 300 mbar, the test pressure must be built up manually. Option > End stability time early: [Next] >...

  • Page 69: Static Pressure

    6 Using the product Test type Explanation This measurement enables you to SSV triggering ascertain whether the triggering pressure pressure of the SSV (safety shut-off valve) has been set correctly. The measurement enables you to SRV triggering ascertain whether the triggering pressure pressure of the SRV (safety relief valve) has bee set correctly.

  • Page 70: Flow Pressure

    6 Using the product Parameter Explanation Max. Highest pressure during the current measurement 2. End measurement: 3. Save measurement result: [Save]. Options > [Options] → Show Graphic: a section of past measuring values is displayed in a line graph (zoom function available [▲], [▼]).

  • Page 71: Sav_Triggering Pressure

    6 Using the product 6.2.9.3. SAV_triggering pressure For the measurement, it is important to ensure that the valve upstream of the SSV is open and the valve upstream of the consumer is closed. The pressure downstream of the controller (secondary side) in the gas pipe must be increased. If the triggering pressure is exceeded, the SSV is triggered, indicated by a click, and the gas supply is blocked on the primary side.

  • Page 72: Srv Triggering Pressure

    6 Using the product 6.2.9.4. SRV triggering pressure It is important to ensure that the valve upstream of the SRV is open and the valve upstream of the consumer is closed. The pressure downstream of the controller (secondary side) in the gas pipe must be increased.

  • Page 73: Transferring Data

    6.3. Transferring data 6.3.1. Record printer To be able to transfer data to a testo record printer via the infrared or Bluetooth interface (optional), the printer used must be enabled, see Printer, page 32. Data is printed out via ]. The function is only available if a printout is possible.

  • Page 74: Maintaining The Product

    7.2. Regular calibration Leakage measuring instruments must be calibrated once a year in accordance with DVGW guideline G5952. Calibration is performed by Testo Customer Services or a service centre authorised by testo. 7.3. Replacing the gas bladder The gas bladder for the feeding unit must be replaced every 5 years (production date stated on barcode sticker on the case).

  • Page 75: Tips And Assistance

    > Press reset button (1). If we have not been able to answer your question, please contact your dealer or Testo Customer Service. For contact details, see the back of this document or visit the website www.testo.com/service- contact. 8.2.
  • Page 76 0554 0529 release coupling Single pipe counter cap 0554 3156 Mains unit 0554 1096 IrDA record printer 0554 0549 testo BLUETOOTH®/ IRDA printer 0554 0620 Spare printer paper (6 rolls) 0554 0568 PC software easyHeat 0554 3332 USB cable 0449 0047 System case incl.

  • Page 77: Updating The Instrument Software

    Under www.testo.com/download-center you can download the current instrument software (Firmware) for testo 324 (registration required). > Unplug the mains unit and switch off the testo 324. 1. Hold down [▲]. 2. Plug in the mains unit, continue holding down [▲].
  • Page 78 0970 3241 en 06 en...

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