Table of Contents
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Table of Contents
Related Manuals for TESTO 325M
Summary of Contents for TESTO 325M
- Page 1 325 M/XL Flue gas analyser Instruction manual...
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Page 2: Preface / Copyright
Preface / Copyright Preface Dear Customer Thank you for purchasing a Testo product. We hope you will enjoy the benefits of this product for a long time to come and that it will aid you with your work. Please read this instruction manual carefully and familiarise yourself with the operation of the instrument before putting it to use. -
Page 3: General Information
The conformity certificate confirms that this product fulfills the guidelines in accordance with 89 / 336 / EEC. This product is TÜV approved. Test Code Number: : TÜV By RgG 218 testo 325 M : TÜV By RgG 222 testo 325 XL... -
Page 4: Table Of Contents
Contents Preface / Copyright..........2 General information ..........3 Contents............4 1. Basic safety instructions ........6 2. Intended use ............7 3. Product description ..........8 3.1 Power supply ..............8 3.2 Dispaly and control elements ........8 3.3 Menu overview ............10 3.4 Gas path ..............10 4. Initial operation..........11 4.1 Putting in rechargeable batteries / batteries ....11 4.2 Connecting the mains unit..........11 4.3 Connecting sensors / probes ........11... - Page 5 Contents 8. Maintenance ..........23 8.1 Changing rechargeable batteries/batteries ....23 8.2 Emptying the condensate trap ........23 8.3 Changing the filter ............24 8.4 Cleaning the analyser ..........24 8.5 Cleaning the flue gas probe ........24 8.6 Changing the thermocouple ........25 8.7 Cleaning the flue gas pump ........25 8.8 Changing the measuring cells........26 9.
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Page 6: Basic Safety Instructions
Only carry out the maintenance and repair work described in the Instruction manual. Please follow instructions. For safety reasons, only original spare parts from Testo should be used. Any other work should only be carried out by authorised trained personnel. Otherwise responsibility for the perfect functioning of the instrument following repairs and for the validity of approvals will be denied by Testo. -
Page 7: Intended Use
2. Intended use Employ the analyser for the following applications only: is a hand-held instrument for the professional testo 325 M / XL analysis of flue gas in burners: - Small-scale burners (oil, gas, wood) - Low temperature and condensing boilers... -
Page 8: Product Description
3. Product description 3.1 Power supply can be powered as follows: testo 325 M / XL 4 batteries (1.5V round cell alkaline IEC LR6 Type AA) 4 rechargeable batteries (1.5V IEC KR 15/51 corresp. Type AA) Mains connection via mains unit (Part no. 0554 1084) - Page 9 3. Product description Keyboard Start/stop flue gas pump Select display, select menu items Switch analyser on/off Interrupt operation, return to superior menu level Open main menu / sub-menu / menu item, confirm selection Select parameters Print current readings Switch display light on/off Connections Mains unit Probes: ambient air temperature (AT) / temperature T2...
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Page 10: Menu Overview
Line 1 View · · · Line 12 Fuel Nat gas L oil Dat/Clk H oil Butane Unit Coal co amb Pressure Temperat co undil only) testo 325XL 3.4 Gas path... -
Page 11: Initial Operation
: Insert and connect rechargeable battery pack. No testo 325XL other steps are necessary. : 4 batteries are included, please insert prior to testo 325M initial operation: 1 Remove battery cover at rear of instrument. 2 Insert batteries correctly (+/-). -
Page 12: Basic Instructions
5. Basic instructions 5.1 Switching on 1 Press to switch on analyser. Display test: All segments in the display light up for approx. The software version number and the power is displayed for 3s (rechargeable batteries / batteries: ---- mains unit: Zeroing phase: lights up, pump runs for approximately 60s (remaining time is shown in display). -
Page 13: Measuring Ambient Air Temperature
5. Basic instructions 5.3 Measuring ambient air temperature There are 2 ways to measure the ambient air temperature: 1. Measurement using flue gas probe If a separate ambient air probe is not connected, the temperature measured by the flue gas probe thermocouple during the zeroing phase is used as the ambient air temperature. -
Page 14: Regular Maintenance
5. Basic instructions 5.5 Regular maintenance Check the level in the condensate trap Condensate trap overflowing Damage to pump and measuring cells Check the level in the condensate trap prior to every measurement: Hold the instrument horizontally or Caution vertically. The condensate trap should be emptied once the MAX level has been reached (See 8.2 Emptying the condensate trap, P. -
Page 15: Settings
5 Confirm settings with Carbon dioxide Selected settings are accepted and the analyser changes to Carbon monoxide the measurement menu. Carbon monoxide undiluted Air ratio Pressure (0 to 40hPa) Pressure (0 to 200hPa) Dew point CO maximum CO ambient only) testo 325XL... -
Page 16: Selecting Units
6. Settings 6.3 Selecting units Unit 1 Select in the main menu and confirm with Pressure flashes and the set unit for pressure is shown in the display 2 Select required pressure unit using Temperat 3 Change to using and select required temperature unit using 4 Change to using... -
Page 17: Measuring Flue Gases
7. Measuring Measurements are carried out with the flue gas probe unless otherwise indicated. 7.1 Measuring flue gases Select fuel (See: 6.1 Selecting fuel, P. 15). 1 Insert flue gas probe pipe in the flue gas duct. 2 Begin measurement by pressing The pump starts, flashes and the current readings are displayed... -
Page 18: Measuring
7. Measuring Measuring draught Delta P 1 Select in the main menu and confirm selection 2 Select required pressure range: Delta P1 Delta P2 ( 0 to 40hPa) or (0 to 200hPa) 3 Confirm selection via The analyser starts zeroing (duration: 5s), lights up in the display 4 Once the zeroing phase is complete, insert the flue gas probe... -
Page 19: Measuring Undiluted Co
7. Measuring 7.4 Measuring undiluted CO Always carry out a COundiluted measurement prior to a flue gas measurement because the values for O2, CO and in the instrument are overwritten during a COundiluted measurement. CO undil CO undil CO undil 1 Select in the main menu and confirm via... -
Page 20: Printing Readings Taken
7. Measuring 7.6 Printing readings taken You will need the Testo printer 0554 0545 to print the readings in the analyser. Follow the instructions in the printer manual. You will have to be in the measurement menu before you can start printing and the pump must be switched off. -
Page 21: Saving/Reading/Deleting Readings
7. Measuring 7.7 Saving/reading/deleting readings Readings can only be saved with testo 325XL Memory 1 Memory20 20 memory blocks are available ( ) in which 1 set of readings can be saved. Blocks which are already occupied are identified by the date and time when saved are displayed. -
Page 22: Printing Saved Readings
7. Measuring 7.8 Print saved readings You will need the Testo printer 0554 0545 to print the readings saved in the instrument. Please also follow the instructions in the printer manual. Memory 1 Select in main memory and confirm selection with... -
Page 23: Maintenance
Saved Readings ( only) do not get lost! testo 325XL 1 Place analyser on its front and open and remove battery compartment cover at the back of the analyser. 2 Remove spent rechargeable batteries/batteries from the battery compartment. -
Page 24: Changing The Filter
(See: 8.2 Emptying condensate trap, P. 23)! 1 Release condensate trap holder at the back of the analyser and remove condensate trap Only original Testo filters should be used (Part no. 0554 0040)! 2 Remove clogged filter and attach new filter. -
Page 25: Cleaning The Flue Gas Pump
8. Maintenance 3 Remove thermocouple cable from the slit hose sleeve pull out the defective thermocouple through the bending protection springs. 4 Guide the new thermocouple through the bending protection springs and through the handle into the probe pipe. 5 Position thermocouple cable in the holders in the handle. 6 Place thermocouple cable in the slit hose sleeve and press bending protection springs in the handle and plug in clockwise direction onto the holders. -
Page 26: Changing The Measuring Cells
0390 0085 Print the readings which are still needed beforehand. CO ( 0390 0297 testo 325M Only the original Testo measuring cells, listed opposite, CO/H ) 0390 0245 testo 325XL should be used. Opening the instrument Proceed as described in the paragraph “Open instrument”... - Page 27 8. Maintenance Changing O measuring cell in testo 325M 8 Remove screw from O measuring cell holder and remove holder 9 Remove defective O measuring cell from measuring chamber and disconnect plug-in connection. 10 Connect plug-in connection of the spare measuring cell and place spare measuring cell in the measuring chamber.
- Page 28 1 Switch on analyser by pressing and press simultaneously while version number and rechargeable battery/battery capacity are being displayed (duration: 3s) 02-Calib lights up testo 325M 2 Start calibraiton by pressing testo 325XL 2 Start calibration by pressing twice. The pump starts, O...
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Page 29: Troubleshooting
9. Troubleshooting please contact your distributor or Testo Customer If defects not described here should occur, Service. You will find contact details in the Warranty booklet or in Internet at www.testo.com . Defects when switching on: Defect Possible causes Remedy... - Page 30 9. Troubleshooting Defects when measuring Defect Possible causes Remedy flashes and Flue gas temperature Connect flue gas temperature probe ---- probe is not or is or check connection appears incorrectly connected -or- Thermocouple in flue Change thermocouple gas temperature probe (See 8.6 Changing thermocouple, P.
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Page 31: Technical Data
10. Technical data 10.1 Measuring ranges and accuracies testo 325 M Measurement type Meas. range Accuracy Resolution Adapt. time 90% Temperature - 40 to + 600°C < 100°C ± 0,5°C 0.1°C Depending on > 100°C ± 0.5% of reading probe used... -
Page 32: Other Instrument Data
Rech. batt.: 4x 1.5V IEC KR 15/51 Type AA Rech. batt. 4x 1.5V IEC KR 15/51 Type AA cascaded with plug block: only) testo 325XL Mains unit: 8V / 1A (Part no. 0554 1084) Rechargeable battery life at 20°C Approx. 8h (pump on, light off) Battery life at 20°C... -
Page 33: Calculation Formulae
10. Technical data 10.4 Calculation formulae The formulae are specified for the instrument version x (21% - O 2max Carbon dioxide: : Maximum carbon dioxide value 2max specific to fuel 21%: Oxygen level of air Measured oxygen level in % rat = Ratio: Measured carbon monoxide value in ppm... -
Page 34: Accessories / Spare Parts
Pipe clamp probe with velcro for pipe diameter to max. 120mm 0628.0020 Measuring cells measuring cell for 0390 0085 testo 325 M/ XL CO measuring cell for incl. NO filter (0133 0069) 0390 0297 testo 325 M CO / H2 measuring cell for... -
Page 35: Short Instructions
Short instructions Short instructions for testo 325 M / XL Please also follow instructions in Instruction manual Connections Mains unit Probes: Ambient air temperature (AT) / temperature T2 Probes: Flue gas temperature (FT) / Temperature T1 Flue gas inlet (red) - Page 36 Measuring g g as f f low p p ressure Pressure set (0554 0315) required. Procedure same as for draught measurement. Printing r r eadings t t aken Testo printer (0554 0545) required. Start printing by activating in measurement menu. Saving/reading/deleting r r eadings ( (...
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