Manual - Milwaukee
Contents
1. USER MANUAL MI 407 Ammonia Low Range Meter Milwaukee Dear Customer Thank you for choosing a Martini product This manual will provide you with the necessary information for the correct use of the instrument Please read it carefully before using the meter This instrument is in compliance with directives SPECIFICATIONS Range 0 00 to 3 00 mg L NH3 N Resolution 0 01 mg L Precision 0 04 mg L 1 50 mg L Light Source Blue LED 466 nm Light Detector Silicon Photocell and 466 nm narrow band interference filter__ Method Adaptation of Nessler nethod Environment 0 to 50 C 32 to 122 F 100 RH max Battery Type 1 x 9 volt Auto Shut off After 10 of non use Dimensions 192 x 104 x 52 mm 7 5 x 4 1 x 2 Weight 380 g 1e MEASUREMENT PROCEDURE Turn the meter on by pressing ON OFF When the LCD displays the De 3e 4e Te 8e Oc meter is ready Fill the cuvet with 10 mL of sample up to the mark and replace the cap Place the cuvet into the holder and ensure that the notch on the cap is positioned securely into the groove Press ZERO and SIP will blink on the display After a few seconds the display will show 0 0 The meter is now zeroed and ready for measurement 10 ml Remove the cuvet Open it Add 4 drops of NH3 1 10 drops in case of seawater analysis and swirl gently Add 4 drops of NH3 2 10 drops in case of seawater analys2. ame cuvet for reference zero and measurement e A flashing value of the maximum concentration indicates an over range condition The concentration of the sample is beyond the programmed range dilute the sample and re run the test BATTERY REPLACEMENT Battery replacement must only take place in a non hazardous environment Simply rotate the battery cover on the back of the meter Detach the pe battery from jo b the terminals and attach a fresh 9V battery while paying attention to the correct polarity Insert the battery and replace the cover ACCESSORIES MI507 100 Ammonia LR Reagent 100 tests MI0001 Glass cuvets 2 pcs MI0002 Caps for cuvets 2 pcs M10003 Stoppers for cuvets 2 pcs M10004 Tissue for wipping cuvets 4 pcs MI0005 9V battery 1 pc WARRANTY This instrument is warranted against defects in materials and manufacturing for a period of two years from the date of purchase If during this period the repair or replacement of parts is required where the damage is not due to negligence or erroneous operation by the user please return the meter to either distributor or our office in the original packing and the repair will be free of charge Damages due to accidents misuse tampering or lack of prescribed maintenance are not covered
3. is Replace the cap and shake gently 10 Reinsert the cuvet into the holder and 7 ensure that the Koz notch on the capis positioned securely into the groove 11 Press and hold READ for 3 seconds and the display will show the countdown prior to the measurement Alternatively wait for 3 minutes and 30 seconds and just press READ In both cases SIP will blink during measurement The instrument directly displays concentration in mg L of ammonia nitrogen NH3 N on the Liquid Crystal Display To convert the reading to mg L of ammonia NH3 multiply by a factor of 1 216 12 h e9 e Interferences e Chloramines various aliphatic and aromatic amines glycine positive error To eliminate these distillation is required e Aldehydes alcohols e g ethanol or acetone negative error To eliminate these interferences distillation is required e Sulfide S2 may cause turbidity e Hardness above 1 g L as Calcium Carbonate CaCO3 interferences GUIDE TO DISPLAY CODES This prompt appears for 1 second each time the instrument is turned on The dashes indicates that the meter is in a ready state and zeroing can be performed Sampling In Progress Flashing SIP prompt appears each time the meter is performing a measurement 6 10 0 0 the meter is in a zeroed state and measurement can be performed 00 The blinking BAT indicates that the ba
4. ttery voltage is JP getting low and the battery needs to be replaced DA the battery is dead and must be replaced Once this indication is displayed the meter will lock up Change the battery and restart the meter 7 Loner Conf the meter has lost its configuration Contact your dealer or the nearest Martini Customer Service Center ERROR MESSAGES On zero reading e Blinking 0 0 indicates that the zeroing procedure failed due to a low signalto noise ratio In this case press ZERO again e no L the instrument can not adjust the light level Please check that the sample no i does not contain any debris e L Lo there is not enough light to perform a l measurement t to Please check the preparation of the zero cuvet e L Hi there is too much light to perform a eee measurement Please check the preparation of the zero cuvet On sample reading e SA there is too much light for the sample measurement Please check if the right sample cuvet is inserted e Inv the sample and the zero cuvet are inverted e ZErO a zero reading was_ not My ey l Ba e Un T a m cy i taken Follow the instruction in the measurement procedure for zeroing the meter e Under range A blinking 0 00 indicates that the sample absorbs less light than the zero reference Check the procedure and make sure you use the s
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