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testo 325-3
Instruction manual
en
CO
°F
inch H
O
2
∆ ∆ T
∆ ∆ P

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Summary of Contents for TESTO 325-3

  • Page 1 325-3 Instruction manual °F inch H ∆ ∆ T ∆ ∆ P...
  • Page 2: Table Of Contents

    Testo log printer ........
  • Page 3: Initial Operation

    Initial operation Warnings Operation via plug-in mains unit The original mains unit should be used when operating the analyser. Tightness The complete measuring system (probe, condensate trap, hoses and plug-in connections) must be checked for tightness e.g. by attaching a rubber bladder, which has been pressed together, on the probe tip.
  • Page 4: Power Supply

    AA) or battery type (1.5V AA size alkaline IEC LR6 •AA• ) (4 off). Testo mains unit (0554.0054) - Ensure that the connection plug in testo 325 is securely connected. - Operation with mains unit is possible if rechargeables/ batteries are empty (batteries cannot be recharged in analyser) It is normal for the mains unit to heat up.
  • Page 5: Diagram Of Analyser

    Battery capacity On/Off button Print Selection button Pump Scroll buttons measurement - On/Off Draught/pressure Print button button Cancel/Return Menu button confirmation Mains unit connection testo 325-3 CO Analyzer Inlet for draught Gas inlet measurement or (red) pressure connection (blue)
  • Page 6: Operating The Analyser

    Initial operation Operating the analyser Button panel - Scroll buttons Use the up/down arrow buttons to scroll between the measured value windows (in the measurement menu) or to select a menu point in a list. If the last window or the last menu item has been reached, you automatically go to the first window or the first menu item.
  • Page 7: Example Of Measurement

    The temperature measured by the flue gas probe is interpreted by the testo 325 as the ambient air temperature and is saved as the ambient air temperature value once the initialisation phase is completed.
  • Page 8: Flue Gas Measurement In Burners

    Example of measurement Flue gas measurement in burners Switch on testo 325 Connect probe Initialisation phase Battery capacity Self-test USA V 13 T325-3 60 s T325-3 Measurement menu T325-3 T325-3 T325-3 0.048 T325-3 Pump is If the flue gas probe is in a vertical position or at an angle of 45°, the condensate drops which develop could result in a...
  • Page 9: Draught Measurement

    Example of measurement Draught measurement/Gas flow pressure The flue gas probe is used to measure draught. Draught can be Measurement menu measured before or after a flue gas measurement. T325-3 Draught can only be measured if the pump is switched off. 254.5 If the draught is measured following flue gas measurement there will still be impact pressure in the hose, after the...
  • Page 10: Differential Temperature Measurement

    Example of measurement Differential temperature measurement Only for measuring temperature e.g. flow/return temperature. Mains unit (T1) (T2) connection Inlet for draught Gas inlet measurement (red) (blue) Attach probe T1 and T2. Measurement menu Scroll with the arrow buttons through the main menu until you come to the ∆T setting.
  • Page 11: Printing The Measured Results

    Printing is only possible if the pump is not in operation. Printing can be stopped by pressing All readings are printed with - Date/Time - Set parameter sequence - Measuring units (How to set date/time. See reference section) testo 325-3 Date/Time 12.31.1998 00:17:13 T325-3 Fuels ______ °F...
  • Page 12: Reference Section

    Reference section Setting date/time Measurement menu T325-3 254.5 Scroll with the arrow buttons through the main menu until you reach Dat/Time. UNITES DAT/TIME ∆T Symbol Change the field to be set by pressing for date Increase value by pressing , reduce value by pressing 0315 Field to be set flashes...
  • Page 13: Setting The Units

    Reference section Setting the units Possible measurement parameters Measurement menu T325-3 Temperature °C, °F ppm, mg/m 254.5 Draught/Pressure hPa, mbar, mmH Main menu UNITES DAT/TIME ∆T Measuring units DRAFT Select the parameter with Select list of all possible measuring units via Accept measuring unit by pressing , jumps to measurement menu.
  • Page 14: Maintenance

    Maintenance Changing rechargeable batteries or batteries Switch off analyser before changing battery or rechargeable battery. Complete change in 1 -2 minutes or plug in mains unit. The set date/time may otherwise be lost. Remove empty/defect rechargeable battery or empty battery from the battery compartment and replace with new rechargeable batteries or batteries.
  • Page 15: Flue Gas Probe

    Maintenance Flue gas probe Cleaning the flue gas probe if the gas path is clogged Remove the probe stem and place in hot water. Move about in hot water. Blow air through pipe or clean with a round brush (e.g. made of brass).
  • Page 16: Changing Measurement Cells

    5.) Remove positioning plate using a screwdriver. 6.) Open battery compartment and remove batteries/rechargeables (See page 14). 7.) The testo 325 housing is opened by moving the housing Upper part of housing parts in the direction of the arrows (See diagram).
  • Page 17 - Remove the NO filter from the measurement chamber. When installing the new filter ensure that the area with the bore holes faces downward in the measurement chamber. Assembling testo 325 - Place the measurement chamber cover on the measurement chamber. Tighten the fastening screws (3 off).
  • Page 18 Battery capacity USA V 13 You will receive false readings <3 s if the calibration phase is interrupted Recalibration is available from Testo service press simultaneously points, subsidiaries and agencies. Initialisation phase CO-COEFF Increase number CO-COEFF value 32.18...
  • Page 19: Error Messages

    Error messages Error message Cause / Remedy Error messages during measurement Symbols are flashing 1. Flue gas temperature probe not connected. 2. Temperature probe is not connected properly. Flue gas temperature and its calculated values are not measured, the remaining values are listed. Check the temperature probe connection or insert new temperature probe.
  • Page 20: Technical Data

    Technical data testo 325 Temperature measurement Measurement range: -40 to +600 °C Resolution: 0.1 °C Accuracy: ±0.5 °C (0 to +99.9 °C) ±0.5 % of m.v. (from +100 °C) Sensor: Thermocouple Type K (NiCr-Ni) to DIN IEC 584 Part 2, Class 1...
  • Page 21: Accessories22

    Accessories Testo log printer 0554.0545 Technical data Type or printer: ....Infrared thermal printer Operating temperature: ....0 to +50 °C Storage/transport temperature: .
  • Page 22: Ordering Data

    325-1 flue gas analyser (incl. batteries and calibration certificate) 0563.0320 testo 325-2 flue gas analyser (incl. batteries and calibration certificate) 0563.0330 testo 325-3 flue gas analyser (incl. batteries and calibration certificate) 0563.0340 Flue gas and temperature probes Compact flue gas probe (length:180 mm, hose length: 1.5 m) 0600.9544...
  • Page 24 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 0974.3254/08.00/T/wh/04.05.2004...

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