User manual HANNA INSTRUMENTS HI 83203

[. . . ] Instruction Manual HI 83203 Multiparameter Bench Photometer for Aquaculture www. hannainst. com This Instrument is in Compliance with the CE Directives 1 Dear Customer, Thank you for choosing a Hanna product. Please read this instruction manual carefully before using the instrument. This manual will provide you with the necessary information for the correct use of the instrument. If you need additional technical information, do not hesitate to e-mail us at tech@hannainst. com. [. . . ] · Press the or to access the second level of functions. · Press the Chem Frm functional key to convert the result in mg/L of ammonia (NH3) and ammonium (NH4+). · Press ZERO key. The display will show "-0. 0-" when the meter is zeroed and ready for measurement. · Press the or to go back to the measurement screen. INTERFERENCES Interference may be caused by: acetone, alcohols, aldehydes, glycine, hardness above 1 g/L, iron, organic chloramines, sulfide, various aliphatic and aromatic amines. Ammonia MR 16 17 Ammonia MR AMMONIA LOW RANGE SPECIFICATIONS Range Resolution Accuracy Typical EMC Deviation Light Source Method 0. 00 to 3. 00 mg/L 0. 01 mg/L ±0. 04 mg/L ±4% of reading ±0. 01 mg/L Tungsten lamp with narrow band interference filter @ 420 nm Adaptation of the ASTM Manual of Water and Environmental Technology, D1426-92, Nessler method. The reaction between ammonia and reagents causes a yellow tint in the sample. Description First Reagent Second Reagent Quantity 4 drops (6 drops for seawater) 4 drops (10 drops for seawater) · Remove the cuvette. · Add 4 drops of HI 93700A-0 First reagent (6 drops for seawater analysis). Replace the cap and mix the solution. x4 · Add 4 drops of HI 93700B-0 Second reagent (10 drops for seawater analysis). Replace the cap and mix the solution. REQUIRED REAGENTS Code HI 93700A-0 HI 93700B-0 · Reinsert the cuvette into the instrument. x4 REAGENT SETS HI 93700-01 Reagents for 100 tests HI 93700-03 Reagents for 300 tests For other accessories see page 46. · Press TIMER and the display will show the countdown prior to the measurement or, alternatively, wait for 3 minutes and 30 seconds and press READ. When the timer ends the meter will perform the reading. The instrument displays the results in mg/L of ammonia nitrogen (NH3-N). MEASUREMENT PROCEDURE · Select the Ammonia LR method using the procedure described in the Method Selection section (see page 11). · Fill the cuvette with 10 mL of unreacted sample (up to the mark) and replace the cap. · Place the cuvette into the holder and close the lid. · Press the or to access the second level of functions. · Press the Chem Frm functional key to convert the result in mg/L of ammonia (NH3) and ammonium (NH4+). 10 ml · Press ZERO key. The display will show "-0. 0-" when the meter is zeroed and ready for measurement. · Press the or to go back to the measurement screen. INTERFERENCES Interference may be caused by: acetone, alcohols, aldehydes, glycine, hardness above 1 g/L, iron, organic chloramines, sulfide, various aliphatic and aromatic amines. Ammonia LR 18 19 Ammonia LR FREE CHLORINE FREE CHLORINE SPECIFICATIONS Range Resolution Accuracy Typical EMC Deviation Light Source Method 0. 00 to 2. 50 mg/L 0. 01 mg/L ±0. 03 mg/L ±3% of reading ±0. 01 mg/L Tungsten lamp with narrow band interference filter @ 525 nm Adaptation of the EPA DPD method 330. 5. The reaction between free chlorine and the DPD reagent causes a pink tint in the sample. · Press ZERO key. The meter will show "-0. 0-" when the meter is zeroed and ready for measurement. · Remove the cuvette. Powder reagents procedure · Add the content of one packet of HI 93701-0 DPD reagent. Replace the cap and shake gently for 20 seconds (or 2 minutes for of seawater analysis). REQUIRED REAGENTS POWDER: Code HI 93701-0 LIQUID: Code HI 93701A-F HI 93701B-F Description DPD Description DPD1 Indicator DPD1 Buffer Quantity 1 packet Quantity 3 drops 3 drops · Wait for a minute to allow the undissolved reagent to precipitate and reinsert the cuvette into the instrument. · Press TIMER and the display will show the countdown prior to the measurement or, alternatively, wait for 1 minute and press READ. When the timer ends the meter will perform the reading. The instrument displays the results in mg/L of free chlorine. REAGENT SETS HI 93701-F Reagents for 300 tests (liquid) HI 93701-01 Reagents for 100 tests (powder) HI 93701-03 Reagents for 300 tests (powder) For other accessories see page 46. MEASUREMENT PROCEDURE · Select the Free Chlorine method using the procedure described in the Method Selection section (see page 11). 10 mL · Fill the cuvette with 10 mL of unreacted sample (up to the mark) and replace the cap. Liquid reagents procedure · To an empty cuvette add 3 drops of HI 93701A-F DPD1 indicator and 3 drops of HI 93701B-F DPD1 buffer. Swirl gently to mix, and immediately add 10 mL of unreacted sample. [. . . ] When shipping any instrument, make sure it is properly packaged for complete protection. To validate your warranty, fill out and return the enclosed warranty card within 14 days from the date of purchase. Recommendations for Users Before using these products, make sure that they are entirely suitable for your specific application and for the environment in which they are used. Operation of these instruments may cause unacceptable interferences to other electronic equipments, this requiring the operator to take all necessary steps to correct interferences. Any variation introduced by the user to the supplied equipment may degrade the instruments' EMC performance. [. . . ]