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1. clear key to finish the calibration Then LED display will show CALL and the actual calibrated temperature after 3 sec Calibration at High Temperature when the unit is being heated and reaching the setting temperature with stability then press lt gt at the same time until LED display shows 150 0 Then press A or y to input the Calibrated temp and then press clear key to finish the calibration The LED display will show CALH and the actual calibrated temperature after 3 sec Warranty We guarantee the perfect functioning of this instrument against defects in material design and workmanship when use under appropriate conditions and in accordance with the instruction manual for a period of TWO YEARS from the date of initial shipment This warranty covers all parts and components of the instrument except those normally requiring frequent replacement such as tubing gasket O rings etc We will not be liable for any personal injury misuse improper maintenance negligence or accident Product Liability Under no circumstances shall Wiggens be liable for indirect consequential or otherwise special or unrelated damages of any kind Wiggens reserves the right to make technical changes without prior notice Email info wiggens biz Web Site www wiggens com V1 1 11052013 WIGGENS WD325 72. COD Reactor WD325 WIGGENS labortechnik GmbH M hsamstrasse 3610249 Berlin Germany Fon 49 3042105470 E Mail iinfo wiggens biz WIGRENGS Fax 49 3042105971 Web www wiggens com 10 COD Reactor WD325 Congratulations You have made an excellent choice WIGGENS wants to thank you for the trust you have placed in us This operating manual has been designed to help you gain an understanding of the operation and possible applications of our instruments For optimal utilization of all functions we recommend that you thoroughly study this manual prior to beginning any operation The WIGGENS Quality Management System CRS CERTU 180 9001 u 150 9001 Certificate Registration No 01 100084841 Unpacking and Inspection Unpack the instruments and accessories and inspect them for possible transport damage Damage should be reported to the responsible carrier railway or postal authority and a damage report should be requested These instructions must be followed fully for us to guarantee our full support of your claim for protecting against loss from concealed damage The form required for filing such a claim will be provided by the carrier Printed in Germany Changes without prior notification reserved Important keep operating manual for future use 2 WIGGENS WD325 V1 1 11052013 Contents Unpacking and checking A A dee A A AD 4 7 8167 2121210 9 T PPNRERRRERPERRRRENESRORRERTRERURERTRENERENPRRNRENERENERENERENERENEREN
3. ERENERENERENRENERENERENERENEENERENEREREREREREIRNGR 4 InStal ao e Ii DD RR RR 4 FPUNCUONS sat ccs ce tate ta tea it ear en ar AA eer a OR 4 Operating PTI CEUTA a Ein 5 MV ANT ANDY s 7 Prod ctHiability sce OS 7 V1 1 11052013 WIGGENS WD325 3 Unpacking and checking Before unpacking this instrument please check first the packing case is complete without any damage After unpacking please check the accessories are complete as listed also If there is any problem with the unit please keep the serial number along with packing case and contact your local distributor for replacement immediately Please dispose of the packing materials in compliance with your local environmental protection policy Accessories gt Power cord X1 gt User Manual X1 Installation Before installation please ensure the voltage current and frequency of your socket fit in with the unit The related information can be found at the back of instrument The socket should be connected to earth for safety Functions 1 On Off power switch 2 lt operating mode selection 3 A Vset temperature or time value Press the button once the value will increase or decrease by one unit and keep pressing the button the value will change fast clear pressing clear button will zero the temperature setting when setting the temperature valve and make the time setting unlimited When setting the time valve start stop after setting time and temperature valve pr
4. able range ambient temp 5 C 200 C When the setting valve is 0 the LED display will show OFF rather than 0 show OFF rather than 0 Press clear key to zero the setting valve Press start stop key to start heating when the heating temp reaches up to 70 C then SSS light begins flashing When the heating temp reaches the setting temp then the timer starts counting down if the timer has a setting valve until the setting time is finished then the unit will beep for 10 sec to warn operator and stop heating automatically V1 1 11052013 WIGGENS WD325 5 COD Mode The default heating mode is COD If you need to digest samples in COD mode please press Start Stops button to start operation WD325 will start to heat to 150 C and start timer for 120 minutes The LED Display will indicate the remaining time When time is finished the alarm will beep for 10 sec COD mode is the only mode that will light COD and PT indicators Time setting Shift the indicator to timer by pressing lt or gt then pressA V to set the desired time The time will be unlimited if pressing clear key Extra Program Setting P1 P2 P3 P1 When turning on the unit COD indicator lights up then press clear key and lt key at the same time for around 3 sec P11 will show on LED and release the keys then 100 0 Default Heating Temp will show on LED Reset a new heating temp by pressing A or y key and then press clear to finish settin
5. ess this button to start and stop the operation by pressing it again cod indicator when the power switch is turned on the default operating mode is cod then press start stop button the unit will start heating up to 150 C and start timer for 120 minutes 4 WIGGENS WD325 V1 1 11052013 The LED display will indicate the remaining time instead of the current temperature When the setting time is finished the unit stops heating and the alarm will beep for a few seconds st when st indicator is fight the temperature can be set by pressing Aor V timer when timer indicator is fight the time can be set by pressing A or y pt when pt indicator is light the LED dispaly indicates the actual temperature heating when the indicator is light the unit is being heated Oy et ee chs a hot top when the temperature is over 70 C the indicator will flash to warn user not to touch 9 alarm when the temperature is over 210 C the unit will shut down automatically and the alarm indicator will light to warn gt In STOP condition all setting and display functions are feasible Operating Procedure Ensure that the power cord is connected with socket before operation Switch on then the COD indicators lights Temperature Setting When the LED light shifts to st set temp the LED display will show the last temperature setting valve Press A or V to change the setting valve Effective setting valve within 0 C 200 C actual work
6. g After P12 has shown for 1 sec then 30 Default Heating Time will show on LED Reset a new heating time by pressing A or V key and then press clear key to finish setting Then LED will show COD P1 setting is finished P2 Follow the above same steps to reset P2 program by pressing clear key and gt key P3 Follow the above same steps to reset P3 program by pressing clear key and D key The P1 P2 P3 will display the last setting valve instead of the default valve after rebooting Extra Program Execution P1 P2 P3 When turning on the unit COD shows up on LED press clear key and lt key at the same time for less 3 sec then P1 shows up on LED press clear key and gt key at the same time for less 3 sec then P2 shows up on LED press clear key and A key at the same time for less 3 sec then P3 shows up on LED When P1 shows up on LED then press start stop key to run P1 program Follow the same steps to run P2 or P3 program 6 WIGGENS WD325 V1 1 11052013 Temperature Calibration When LED light shifts to pt indicator LED display will indicate the actual heating temperature then A y Clear keys are all ineffective Calibration at Ambient Temperature press lt or gt select pt indicator then LED display will indicate the present ambient temp Press lt gt at the same time for 3 sec then LED display will show 30 0 Then press A or V to input the present room temperature press
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