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COD 200

Portable Chemical Oxygen Demand Colorimeter

Instruction Manual 

99561-84

Environmental Express

www.environmentalexpress.com

Summary of Contents for 99561-84

Page 1: ...COD 200 Portable Chemical Oxygen Demand Colorimeter Instruction Manual 99561 84 Environmental Express www environmentalexpress com ...

Page 2: ...sponsible manner This service excluding the cost of transportation is free of charge This service only applies to electrical instruments purchased after 13th August 2005 Send your electrical Environmental Express instrument for disposal freight prepaid to your supplier Safety General Instructions The manufacturer s liability and warranty for damage and consequential damates lapses with improper us...

Page 3: ...e this can lead to incorrect test results 8 Contamination of the transparent cell chamber can result in wrong readings Check at regular intervals and if necessary clean the transparent cell chamber using lint free moist cloths oil free or cotton buds 9 Large temperature differences between the instrument and the environment can led to errors e g due to the formation of condensation in the cell cha...

Page 4: ... resolution 0 01 A Auto OFF automatic switch off 25 minutes after last keypress different reaction times depend ing on available method Display backlit LCD on keypress Time real time clock and date Calibration user and factory calibration resetting to factory calibration possible Ambient conditions temperature 5 40 C rel humidity 30 90 non condensing Waterproof floating as defined in IP 68 1 hour ...

Page 5: ...V1_04 2022 5 Guidelines for colorimetric measurements ...

Page 6: ...ument is waterproof seal ring E must be in position battery compartment cover B must be fixed with the four screws If the batteries are removed for more than one minute the date and time menu starts auto matically when the colorimeter is switched on the next time ...

Page 7: ...ts whereby the zero adjustment is carried out in a 24 mm round vial with sample water It can be used if different tests are carried out with identical test conditions and the same water sample The zero adjustment is saved until the device is switched off The zero setting can be repeated each time if necessary ...

Page 8: ...hat problem the following sample pretreatment can be used Equipment 2 Erlenmeyer flasks 300 ml with NS 29 32 connection 2 HCl absorber according to DIN 38409 2 glass stoppers NS 29 32 Pipettes for volumes of 20 and 25ml Magnetic stirrer and magnetic stirring rods Thermometer to measure 0 100 C Ice bath Reagents 12 to 14 g of sodalime 50 ml H2SO4 95 97 1 84 g ml CSB free Hydrochloric acid 10 to cle...

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Page 10: ...COD 200 Instruction Manual 10 ...

Page 11: ...ription Part Number COD 200 Colorimeter 99561 84 Environmental Express HotBlock COD Reactor 115 VAC EW 35200 99 Environmental Express HotBlock COD Reactor 240 VAC EW 35201 99 Disposable Syringe Non Sterile Slip Tip 3 mL 100 Pk EW 07944 04 16 MM Tube Adapter 99562 13 Required Materials Description Part Number COD Reagent LR 25 Pack 99562 05 DI Water 2 ML EW 88401 21 Required Reagents Chemistries ...

Page 12: ...ct measurements and so to avoid this it is important to place the vials carefully in the sample chamber as the method necessitates a build up of precipitate at the bottom of the vial 3 The outer walls of the vial must be clean and dry before the analysis is carried out Fingerprints or water droplets on the vial lead to incorrect measurements Notes About Method 1 The blank is stable when stored in ...

Page 13: ...ank Put 2 ml sample in the sample vial Close vials Carefully invert several times to mix the contents Note Will get hot Remove the vial from the thermoreactor Note vial will be hot Allow vial s to cool to 60 C Invert several times to mix the contents Seal the vials in the pre heated thermoreactor for 120 minutes at 150 C COD LR 3 150 mg l LR ...

Page 14: ...re Place blank in the sample chamber Pay attention to the positioning The result in mg l COD appears on the display COD LR 3 150 mg l LR Press the ZERO button Remove vial from the sample chamber Place sample vial in the sample chamber Pay attention to the positioning Press the TEST button ...

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Page 16: ...COD 200 Instruction Manual 16 ...

Page 17: ...scription Part Number COD 200 Colorimeter 99561 84 Environmental Express HotBlock COD Reactor 115 VAC EW 35200 99 Environmental Express HotBlock COD Reactor 240 VAC EW 35201 99 Disposable Syringe Non Sterile Slip Tip 3 mL 100 Pk EW 07944 04 16 MM Tube Adapter 99562 13 Required Materials Description Part Number COD Reagent LMR 25 Pack 99562 07 DI Water 2 ML EW 88401 21 Required Reagents Chemistries...

Page 18: ...al can lead to incorrect measurements and so to avoid this it is important to place the vials carefully in the sample chamber as the method necessitates a build up of precipitate at the bottom of the vial 3 The outer walls of the vial must be clean and dry before the analysis is carried out Fingerprints or water droplets on the vial lead to incorrect measurements Notes About Method 1 The blank is ...

Page 19: ...nk Put 2 ml sample in the sample vial Close vials Carefully invert several times to mix the contents Note Will get hot Remove the vial from the thermoreactor Note vial will be hot Allow vial s to cool to 60 C Invert several times to mix the contents Seal the vials in the pre heated thermoreactor for 120 minutes at 150 C COD LMR 15 300 mg l LMR ...

Page 20: ...erature and then measure Place blank in the sample chamber Pay attention to the positioning The result in mg l COD appears on the display Press the ZERO button Remove vial from the sample chamber Place sample vial in the sample chamber Pay attention to the positioning Press the TEST button ...

Page 21: ...V1_04 2022 21 ...

Page 22: ...COD 200 Instruction Manual 22 ...

Page 23: ...scription Part Number COD 200 Colorimeter 99561 84 Environmental Express HotBlock COD Reactor 115 VAC EW 35200 99 Environmental Express HotBlock COD Reactor 240 VAC EW 35201 99 Disposable Syringe Non Sterile Slip Tip 3 mL 100 Pk EW 07944 04 16 MM Tube Adapter 99562 13 Required Materials Description Part Number COD Reagent MR 25 Pack 99562 09 DI Water 2 ML EW 88401 21 Required Reagents Chemistries ...

Page 24: ...al can lead to incorrect measurements and so to avoid this it is important to place the vials carefully in the sample chamber as the method necessitates a build up of precipitate at the bottom of the vial 3 The outer walls of the vial must be clean and dry before the analysis is carried out Fingerprints or water droplets on the vial lead to incorrect measurements Notes About Method 1 The blank is ...

Page 25: ...nk Put 2 ml sample in the sample vial Close vials Carefully invert several times to mix the contents Note Will get hot Remove the vial from the thermoreactor Note vial will be hot Allow vial s to cool to 60 C Invert several times to mix the contents Seal the vials in the pre heated thermoreactor for 120 minutes at 150 C COD MR 20 1500 mg l MR ...

Page 26: ...erature and then measure Place blank in the sample chamber Pay attention to the positioning The result in mg l COD appears on the display Press the ZERO button Remove vial from the sample chamber Place sample vial in the sample chamber Pay attention to the positioning Press the TEST button ...

Page 27: ...V1_04 2022 27 ...

Page 28: ...COD 200 Instruction Manual 28 ...

Page 29: ...escription Part Number COD 200 Colorimeter 99561 84 Environmental Express HotBlock COD Reactor 115 VAC EW 35200 99 Environmental Express HotBlock COD Reactor 240 VAC EW 35201 99 Disposable Syringe Non Sterile Slip Tip 1 mL 100 Pk EW 07944 00 16 MM Tube Adapter 99562 13 Required Materials Description Part Number COD Reagent HR 25 Pack 99562 11 DI Water 0 2 ML EW 88401 21 Required Reagents Chemistri...

Page 30: ...to incorrect measurements and so to avoid this it is important to place the vials carefully in the sample chamber as the method necessitates a build up of precipitate at the bottom of the vial 3 The outer walls of the vial must be clean and dry before the analysis is carried out Fingerprints or water droplets on the vial lead to incorrect measurements Notes About Method 1 The blank is stable when ...

Page 31: ...k Put 0 2 ml sample in the sample vial Close vials Carefully invert several times to mix the contents Note Will get hot Remove the vial from the thermoreactor Note vial will be hot Allow vial s to cool to 60 C Invert several times to mix the contents Seal the vials in the pre heated thermoreactor for 120 minutes at 150 C COD HR 200 15000 mg l HR ...

Page 32: ... Place blank in the sample chamber Pay attention to the positioning The result in mg l COD appears on the display Press the ZERO button Remove vial from the sample chamber Place sample vial in the sample chamber Pay attention to the positioning Press the TEST button COD HR 200 15000 mg l HR ...

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