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Seitron PRESSOTEST 200 Manual

Portable digital manometer
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PRESSOTEST 200
PORTABLE DIGITAL MANOMETER
For UNI 7129-1: 2015 and UNI 11137: 2012 gas tightness tests
Features gas tightness test printout
Pressure recorder function (Data Logger)
Programmable min/max alarm levels
Auditory and visual display alerts for off-range values
Manual set for main parameters
Automatic switch off function
Operates on 6 1.5V alkaline AAA batteries
-
A
UNIT
MEM
Fig. 1: External appearance.
+
B
portable
instruments
> 0 <
SET
FUNC
ESC
PRINT
Via Prosdocimo, 30
I-36061 BASSANO DEL GRAPPA (VI)
Tel.: +39.0424.567842
Fax.: +39.0424.567849
http://www.seitron.it
e-mail: info@seitron.it
c
Fig. 2: Battery compartment location.

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Summary of Contents for Seitron PRESSOTEST 200

  • Page 1 PRESSOTEST 200 PORTABLE DIGITAL MANOMETER Via Prosdocimo, 30 For UNI 7129-1: 2015 and UNI 11137: 2012 gas tightness tests I-36061 BASSANO DEL GRAPPA (VI) Features gas tightness test printout Tel.: +39.0424.567842 Pressure recorder function (Data Logger) Fax.: +39.0424.567849 Programmable min/max alarm levels http://www.seitron.it...

  • Page 2: Technical Specifications

    OVERVIEW The instrument is a portable digital manometer which has been designed for hydraulic systems. As well as all the standard manometer functions, instrument also features a digital auto-zero function, hold function, six different measurement units, overflow and underflow alarms, minimum and peak alarms with programmable thresholds, date and time display clock, programmable automatic switch off function.

  • Page 3: Operation

    OPERATION Keyboard description Autozero Switch on/off > 0 < HOLD Mode Functions menu Measurement unit UNIT FUNC Cancel Confirm Menu configuration / Memory Print menu PRINT Select Edit Switching on/off To switch the instrument on or off press the ' ' key for at least 2 seconds.
  • Page 4 Confirm/ Cancel The ' SET ' key confirms operations. It must be pressed each time a function is activated or to confirm a parameter. The ' ESC ' key cancels current operations. This key can be used to interrupt a gas tight test or to reset the previous parameters.
  • Page 5 Functions menu Use the ' FUNC ' key to access functions. Use the arrow keys to select a gas tight test or the Data Logger function from the menu: UNI 11137: 2012: Gas tight test for working systems. UNI 7129-1: 2015: Gas tight test for new or reconditioned systems. Data Logger: Acquires and saves pressure trends.
  • Page 6 An important point to bear in mind with regards the sequence of settings for a gas tight test is that the values inserted are saved and retrieved for carrying out the test only if the test itself is started. This stores the test data until a new test is carried out, but has the disadvantage that if a screen is cancelled by pressing ' ESC ' it goes back to the beginning of the whole sequence and causes the loss of the data previously recorded.
  • Page 7 During the test the display visualises the pressure and the test time remaining. Pressing the ' MEM ' key will show the fall in pressure from the beginning of the test. Running the test automatically saves the parameters involved and deletes data from previous tests. The flashing ' REC ' icon shows the data is being recorded.
  • Page 8 UNI 7129-1: 2015: Gas tight tests for new or reconditioned systems The standard UNI 7129-1: 2015 can be adopted for testing new piping systems or reconditioned ones. This test requires to charge the piping up to a pressure between 100 hPa and 150 hPa, then wait for a stabilization which must last at least 15 minutes and required in order for the thermal effects caused by the test gas compression to fade out, and finally to test the piping tightness by analysing the decay of pressure over time.
  • Page 9 o : Data logger function The ' Data Logger ' function records and saves pressare status over time. Analysed instantaneous, minimum, mean and peak value sizes and coupled with their observation instants can be evaluated. Select the function, before activating recording using ' SET ', some parameters need to be set: ' tr c ': total recording time in minutes.
  • Page 10 Flow chart - functions menu Procedure for inserting parameters: - Press key to activate the edit mode (parameter flashes). - Press to edit. - If the parameter is numeric press to edit the flashing figure. - If numbers with decimal points are in the consented range press to place the decimal point in the position required.
  • Page 11 Insert the test gas: air or combustible (Comb). Insert test gas stabilisation time in minutes. Pressurizze Prime the system to the the piping pressure shown on the upper display. Start the test gas stabilisation. Press ' Set ' to stop stabilisation before allotted time expires.
  • Page 12 Flow chart - functions menu Procedure for inserting parameters: - Press key to activate the edit mode (parameter flashes). - Press to edit. - If the parameter is numeric press to edit the flashing figure. - If numbers with decimal points are in the consented range press to place the decimal point in the position required.
  • Page 13 Caricare l'impianto Prime the system to the pressure shown on the upper display. Start the test gas stabilisation. Press ' Set ' to stop stabilisation before allotted time expires. In automatico Wait to run gas tight test. Press ' MEM ' to display portable instruments system pressure or...
  • Page 14 Flow chart - functions menu Procedure for inserting parameters: - Press key to activate the edit mode (parameter flashes). - Press to edit. - If the parameter is numeric press to edit the flashing figure. - If numbers with decimal points are in the consented range press to place the decimal point in the position required.
  • Page 15 Start recording by pressing ' Set '. Press ' MEM ' to visualise portable instruments system pressure or recorded values. Automatically At the end of recording acquired data is displayed. > 0 < To visualise details. UNIT FUNC PRINT Align printer with the manometer and press ' PRINT ' to print test results.
  • Page 16 Flow chart - functions menu Procedure for inserting parameters: - Press key to activate the edit mode (parameter flashes). - Press to edit. - If the parameter is numeric press to edit the flashing figure. - If numbers with decimal points are in the consented range press to place the decimal point in the position required.
  • Page 17 Set peak alarm threshold (the alarm goes off if the pressure exceeds the threshold). Decimal values are allowed. The ' UNIT ' key edits the threshold measurement unit. Set minimum alarm. Set minimum alarm threshold (the alarm goes off if the pressure falls below the threshold).

  • Page 18: Pressure Measurement

    PRESSURE MEASUREMENT The manometer has two pressure connections which can be used to measure: Pressure measurements: apply pressure to be measured to the positive (righthand) connection and leave the other connection open. Vacuum measurements: apply pressure to be measured to the negative (lefthand) connection and leave the other connection open.
  • Page 20 S.p.A. Via Prosdocimo, 30 I-36061 BASSANO DEL GRAPPA -VI- (ITALIA) Tel.: +39.0424.567842 Fax.: +39.0424.567849 http://www.seitron.it e-mail: info@seitron.it...