A&D MX-50, User Handbook Manual

Page 1: ...yz ze er r U Us se er rs s H Ha an nd db bo oo ok k Version 2 20 April 2003 A D Weighing USA Version T T Te e es s st t t w w wi i it t th h h T T Th h he e e B B Be e es s st t t T T Tr r ru u ue e...

Page 2: ...ment 4 3 Accuracy 6 4 Samples 6 5 Calibration 7 6 Others 8 7 Heating method 9 8 Measurement 9 9 Data Analysis 10 B Data Results Analysis 1 Measurement samples 11 2 Typical measurement results by table...

Page 3: ...ce Card Power Cable 2 Fuses Specifications are subject to change for improvement without notice Standard 85mm 400W straight halogen lamp heating system with SRA filter and SHS weighing technology Halo...

Page 4: ...ials are measured with a stable moisture content rate and a typical material with such character is Sodium Tartrate Dihydrate Known by its name it is a well known material secondarily produced while a...

Page 5: ...e to the one determined by Karl Fischer method Among all moisture analyzers employed with heating method is easy to handle with its good operability and clear formula of operation low profile and can...

Page 6: ...od doesn t however it is suitable for detecting moisture content in a material such as vapor or that with very little moisture in ppm Moisture analyzers using infrared absorption method work in the be...

Page 7: ...rate is when chemically bonded to two water molecules or crystal water and becomes Sodium Tartrate again by releasing the water molecules when heated Its moisture content rate is the ratio of the two...

Page 8: ...atable 9 Does placement of sample such as powder on a pan affect measurement result Yes How to put a sample on a pan determines heat distribution To measure moisture content rate accurately even heati...

Page 9: ...t remove moisture in a sheet dry and store it in a desiccator prior to use 2 Is absolute measurement of moisture content rate possible Can only water content be measured No Minerals such as metal glas...

Page 10: ...ble to see inside the analyzer while heating Being able to see inside of the analyzer gives users a sense of safety Not only water in a sample that can be overheated or is burnable may be vaporized bu...

Page 11: ...aps like burns 9 Data Analysis No Q A 1 Can soybeans or coffee beans be tested as they are NO Usually samples like peas should first be crushed in a blender or mill because temperature of surface and...

Page 12: ...0065 2 13 19 1 By the data there is no evident difference between the two analyzer s results and it could be said that data taken by A D s MX MF can match a Karl Fischer type analyzer 2 As for accurac...

Page 13: ...Bond 6 Commodity Paste 1 Standard MID 200 9 7 61 3 0 309 0 5 Place the sample evenly on the pan Hand Soap 7 Commodity Liquid 1 Standard MID 200 6 92 01 0 157 0 17 Use a glass fiber sheet 8 Commodity...

Page 14: ...140 8 5 3 04 0 01 0 33 Crush with hand mixer 29 Food Butter Peanuts 5 Standard MID 140 9 6 2 1 0 077 3 67 Crush with hand mixer Ground Coffee Beans 30 Food Powder 5 Standard MID 140 9 8 4 43 0 036 0 8...

Page 15: ...051 1 07 47 Food Powder Horse Radish 5 Standard MID 140 11 4 3 7 0 082 2 22 Horse Radish 48 Food Grated 1 Standard MID 200 15 1 39 07 0 123 0 32 Crush the sample from above a glass fiber sheet Ginger...

Page 16: ...rmicelli 2 Standard MID 200 15 8 14 8 0 15 1 01 Cut the sample by about 3cm 63 Food Dried Brown Seaweed 1 Standard MID 200 9 2 11 49 0 367 3 19 Crush with hand mixer Wood Ear 64 Food Sliced 2 Standard...

Page 17: ...383 0 47 Use a glass fiber sheet 84 Food YoghurtB 1 Automatic 0 5 min 180 5 4 88 07 0 209 0 24 Measure after putting the sample between folded glass fiber sheet and pressing it hard 85 Food Soy Milk 1...

Page 18: ...owder 1 Standard MID 200 2 5 11 24 0 591 5 26 104 Industrial Products Activated charcoal Particulate For deodrant use 5 Standard MID 120 6 6 9 96 0 142 1 43 Silica gel 105 Industrial Products Particul...

Page 19: ...oftware WinCT Moisture WinCT Moisture in combined use with heating and drying method moisture analyzer MX 50 and MF 50 manufactured by A D enables easy transfer of measurement data to PC through RS 23...

Page 20: ...ulated from decrease in sample quantity caused by vaporization of moisture from heating It is determined at a point where changes no longer occur displayed on graph with planarized line Measurement re...

Page 21: ...mperatures due to the sample s high heat resistance Measurement of such samples can be completed in a short time by heating at the highest possible temperature Samples with similar measurement process...

Page 22: ...where moisture content is stabilized and rapid changes in curve do not occur When stabilized moisture content curve re inclines it is assumed that materials other than water additives organic matter...

Page 23: ...the same conditions sample quantity heating temperature measurement termination condition with previously set heating temperature and measurement termination condition terminates measurement when the...

Page 24: ...value described with the vertical axis at the left Change of inclination could be seen in change of heating temperature Curve displayed in green plots inclination of moisture content curve red by 1min...

Page 25: ...tent rate curve or primary derivative value Rate min RsTemp is a software designed to determine heating temperature most suitable for the sample from measured and calculated results However it is impo...

Page 26: ...different temperatures The top graph displays results of measurement on starch below on cornstarch The Rate min constantly keeps low values at a higher temperature zone Measurement of such samples cou...

Page 27: ...ncrease again Suspected causes to this increase of Rate above 180C is that either ingredients other than water liquid additives organic matter have vaporized or samples have started to carbonize In su...

Page 28: ...measurement with heat and dry method moisture analyzer However it is possible to measure and evaluate moisture content of such samples by measuring under same conditions sample quantity heating temper...

Page 29: ...ned glass housing affect moisture content rate measurement YES it may Through stained glass heat conduction may not be good enough to heat sample evenly which can lead to low repeatability One of the...