User manual HANNA INSTRUMENTS HI 93414

[. . . ] Instruction Manual HI 93414 Turbidity and Free/Total Chlorine Meter w w w. c o m 1 Dear Customer, Thank you for choosing a Hanna Instruments product. This manual will provide you with the necessary information for correct use of the instrument. Please read this instruction manual carefully before using the instrument. [. . . ] Replace the cap. · Wipe the cuvet thoroughly with a lint-free cloth to remove any fingerprints, dirt or water spots. · Place the cuvet into the instrument. Align the mark on the cuvete with the sign on the instrument top and close the lid. Note:If you have a cuvet with orientation mark place the cuvete with the orientation mark aligned with the sign on the instrument top. · Press ZERO/AVG . The dashes will blink on the primary LCD. If the zeroing procedure was successful, the display will show "-0. 0-". 25 SINGLE SAMPLE READ · Remove the cuvet from the instrument. · Add the content of one packet of the specific test reagent, for: Free Chlorine 1 packet of or HI 93701-0 Total Chlorine 1 packet of HI 93711-0 · Replace the cap and shake gently for 20 seconds (or 2minutes in case of seawater analysis). · Replace the cuvet into the holder and ensure that the mark on the glass is matched with the mark on the instrument top. The display will show the hourglass blinking and the countdown prior to measurement. Alternatively wait for: Free Chlorine Total Chlorine 1 minute or 2 minutes and 30 seconds and then just press READ/TIMER . In both cases blinking dashes will appear during measurement. The instrument directly displays the concentration in mg/L of free or total chlorine. Note:If the value is over range, the maximum value (5. 00 mg/L) will blink. or 26 MULTIPLE SAMPLES READ · Place the second cuvet with the reacted sample into the holder and ensure that the mark on the glass is matched with the mark on the instrument top. · Hold READ/TIMER for 3 seconds. The display will show the hourglass blinking and the countdown prior to measurement. Alternatively wait for: Free Chlorine Total Chlorine 1 minute or 2 minutes and 30 seconds and then just press READ/TIMER . In both cases blinking dashes will appear during measurement. The instrument directly displays the concentration in mg/L of free or total chlorine. Note: It is recommended to make a zero before each measurement. Note: If the signal to noise ratio is too high, the zero value will blink. INTERFERENCES The colorimetric measurements are affected by the following interfering agents: · Bromine (positive error). · Chlorine dioxide (positive error). · Oxidized Manganese and Chromium (positive error). · Alkalinity above 250 mg/L CaCO3 or acidity above 150 mg/L CaCO3 will not reliably develop the full amount of color or it may rapidly fade. [. . . ] a rt n o t oih Clibaio sa d rd ae in ete . a r t n t n a s r vr d T e re ann b ttey life is to lo . h mi i g a r ow T e b tteie ae to dsh rg d fo h a r s r o i ca e r c rret m a ue e ts o c e s r mn . 50 ACCESSORIES REAGENT SETS HI 93414-11 CAL CHECKTM Calibration set for Free & Total Chlorine (1 set) HI 93701-01 Reagents for 100 Free Chlorine tests HI 93701-03 Reagents for 300 Free Chlorine tests HI 93703-58 Silicon oil (15 mL) HI 93711-01 Reagents for 100 Total Chlorine tests HI 93711-03 Reagents for 300 Total Chlorine tests HI 98703-11 Calibration set for turbidimeter(<0. 1, 15, 100 and 750 NTU) OTHER ACCESSORIES HI 710005 Voltage adapter from 115V to 12 Vdc (USA plug) HI 710006 Voltage adapter from 230V to 12 Vdc (European plug) HI 710012 Voltage adapter from 240V to 12 Vdc (UK plug) HI 710013 Voltage adapter from 230V to 12 Vdc (South Africa plug) HI 710014 Voltage adapter from 230V to 12 Vdc (Australia plug) HI 731318 Tissue for wiping cuvets (4 pcs. ) HI 731331 Glass cuvets (4 pcs. ) HI 731335N Caps for cuvets (4 pcs. ) HI 740027P 1. 5V AA battery (12 pcs. ) HI 740234 Replacement lamp for EPA turbidimeter (1 pcs. ) HI 92000 Windows® compatible software HI 920005 5 tag holders with tags HI 920011 5 to 9 pins RS232 connection cable HI 93703-50 Cuvets cleaning solution (230 mL) RECOMMENDATIONS FOR USERS Before using this product, make sure that it is entirely suitable for your specific application and for the environment in which it is used. Operation of this instrument may cause unacceptable interferences to other electronic equipments, requiring the user to follow all necessary steps to correct interferences. [. . . ]