Milwaukee SM301 User's Manual
Contents
1.2. ppm for SM401 J Ess 6 4 g L ppt for SM402 e The calibration is now complete and the meter is ready for use The instrument should be re calibrated at least once a month or when the probe or battery is changed BATTERY REPLACEMENT When the battery becomes weak the meter will display V When the low battery indicator appears the battery has only about 50 hours of working time left A low battery will result in unreliable measurements It is recommended to replace im mediately the battery Battery replacement must only take place in a non hazardous area using an alkaline 9V battery Turn the meter off slide off the battery compartment cover at the rear of the meter and replace the 9V battery with a new one Make sure the battery contacts are tight and secure seat the battery in its compartment and insert the cover again WARRANTY This instrument is warranted from all defects in materials and manufacturing for a period of two years from the date of purchase The electrode is warranted for a period of 6 months 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 parts to either dealer or our office and the repair will be effected free of charge Note We reserve the right to modify the design construction and appearance of our products without advance notice
3. SPECIFICATIONS AW Milwaukee RANGE RESOLUTION SM301 0 to 1990 uS cm 10 uS cm SM302 0 0 to 10 0 mS cm 0 1 mS cm SM401 0 to 1990 mg L ppm 10 mg L SM402 0 0 to 10 0 g L ppt 0 1 g L ACCURACY 25 C 2 Full Scale CONVERSION FACTOR SM401 0 5 SM402 0 5 CALIBRATION SOLUTIONS SM301 1413 uS cm M10031B SM302 5 00 mS cm M10039B SM401 1382 mg L M10032B SM402 6 44 g L M10038B CONDUCTIVITY PROBE SM301 amp SM401 MA811D 1 included SM302 amp SM402 MA812D 1 included TEMP COMPENSATION Automatic from 5 to 50 C ENVIRONMENT 0 to 50 C 95 RH max BATTERY TYPE 1 x 9V alkaline included BATTERY LIFE approximately 300 hours of use DIMENSIONS 145 x 80 x 40 mm WEIGHT 220 g with battery meter only OPTIONAL ACCESSORIES M10031B 1413 uS cm solution 20 ml sachet 25 pcs M10039B 5 00 mS cm solution 20 ml sachet 25 pcs M10032B 1382 mg L solution 20 ml sachet 25 pcs M10038B 6 44 g L solution 20 ml sachet 25 pcs MA811D 1 EC TDS probe w DIN connector and 1m cable z MA812D 1 EC TDS probe w DIN connector and 1m cable MA950 Portable meter wall fixing kit 8 MY Milwaukee PORTABLE USER MANUAL CONDUCTIVITY amp TDS METERS MODELS SM301 SM302 SM401 SM402 Smart EC amp TOS Meter va AW Milwaukee SM301 EC meter ON OFF sande 0 1990 pS cem Smart EC Meter OPERATION The meter is supplied complete with a 9V
4. battery Slide off the battery com partment cover on the back of the meter Install the battery while paying attention to its polarity Connect the probe to the meter se curely by aligning the pins with the plug in Make sure that the meter has been calibrated before taking any measure ments see Calibration Procedure Immerse the tip 4 cm of the EC TDS probe into the sample If possible use plastic beakers or containers to mini mize any EMC interference Turn the instrument on by pressing the ON OFF key ae A C SM301 EC meter g j P aa rot j Fa a range 0 1990 yS em Meter Wait for the temperature sensor to reach the thermal equi librium before taking any measurements After use the instrument should be switched off and the probe should be cleaned and dried Whenever needed use alcohol for better cleaning CALIBRATION PROCEDURE Clean the probe with alcohol and let it dry Open a sachet of conductivity calibration solution see Specifications and immerse the probe mak ing sure that the metal pins are completely submerged Wait until the thermal equilibrium is reached and the reading is stable caa LEI e Adjust the calibration trimmer on the rear of the instrument with the supplied screwdriver until the display shows 1410 uS cm for SM301 5 0 mS cm for SM302 1380 mg L
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