U.S. Solid USS-HMA01 Instruction Manual Download

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8. Troubleshooting

Problem:

Display remains off after switching on.

Possible causes:

•

Power cord is not connected

•

Power line fuse blown

•

Power supply interrupted

•

Instrument faulty

Problem:

Display does not change when loading samples.

Possible causes:

•

The sample pan/pan holder is not installed correctly.

Problem:

Weight display is constantly changing or unstable.

Possible causes:

•

The sample pan is in contact with the draft shield or heating chamber

•

Air movement

•

Test bench vibration

•

Electromagnetic field interference

Problem:

Drying does not start

Possible causes:

Summary of Contents for USS-HMA01

Page 1: ...Instruction Manual USS HMA01 Moisture Analyzer ...

Page 2: ...ation 12 4 3 Installing parts 13 4 4 Leveling the moisture analyzer 13 4 5 Connect to power 15 5 Settings and calibration 16 5 1 Measurement Methods Setting 16 5 1 1 Preset and storage of measurement methods 16 5 1 2 Drying Mode setting 17 5 1 3 Ending Mode setting 18 5 2 Calibration 20 6 First Measurement 21 7 Maintenance 24 7 1 Cleaning 24 7 1 1 Cleaning the sample chamber 24 7 1 2 Cleaning the ...

Page 3: ...e manual completely and follow the usage instructions before installation and operation 1 1 About Halogen Moisture Analyzer Moisture analyzers work according to the thermogravimetric principle Moisture is determined by the direct weight lost by the sample due to heating from an intense halogen light The U S Solid USS HMA01 Halogen Moisture Analyzer determines the initial weight of the sample The s...

Page 4: ...ecautions below to ensure safe and trouble free operation of your moisture analyzer 2 1 Definition of Warning Symbols Electrical shock Inflammable explo sive substance Hot surface Toxic substance Acid Corrosion General hazard 2 2 Warnings The Analyzer has a 3 pin power socket equipped with a ground terminal To prevent electric shock and to maintain stability in operation of the analyzer be sure to...

Page 5: ...when the sample is dried Keep flammables away from the analyzer Parts of the analyzer become very hot Materials placed near it might catch fire Do not touch the heater cover the halogen lamp glass housing pan handle sample pan or sample without adequate protection burns or scalding may result Parts of the analyzer are very hot when a measurement finishes For operation use the specified grips of th...

Page 6: ...w at least 1 meter of free space above the Analyzer Do not place anything on top of the heater cover Use appropriate personal safety equipment such as safety glasses gloves and protective clothing If an abnormal situation occurs for example a burning odor is smelt remove the power cable immediately When the device will not be used for a long period of time turn the power off and disconnect the pow...

Page 7: ...gn and Function 3 1 Components 1 Observation window 2 Heater cover 3 Heater 4 Temperature sensor 5 Sample pan 6 Sample pan holder 7 Sample pan handle 8 Draft shield 9 Display panel 10 Leveling foot 11 Keyboard ...

Page 8: ...7 1 Fan 2 Power inlet 3 Level bubble 4 RS 232 connector ...

Page 9: ...pan is placed and this key is pressed MENU Opens the menu during the standby state measurement display CONVERSION Switches measurement results CONFIRM Applies the setting and advances the next setting RESET short press Returns to the weighing mode long press calibrates the balance DOWN Decreases the value backlight off UP Increases the value backlight on ...

Page 10: ...ature Fast Increases the drying temperature rapidly Soft Increases the drying temperature slowly 3 Ending Mode Automatic The test will automatically stop at a certain point in time when the moisture content does not change within 45 seconds under the automatic stop mode This mode takes effect after 15 seconds of heating ...

Page 11: ...time the heating will stop automatically when the specified time is reached 4 Time Testing Length of time the test has been run Setting Preset drying time 5 Temperature Testing Current temperature Setting Preset drying temperature 6 Percentage Moisture content 7 Value Testing Current moisture content Setting Weight of the sample ...

Page 12: ...e Pan Holder 1 Sample Pan Handle 1 Draft Shield 1 Power Cable 1 100g Calibration Weight 1 Instruction Manual 1 Quality Certification Unpacking and checking the instrument for transport damage Immediately inform U S Solid customer service if you have any complaints or parts are missing Note Keep all all of the packaging This packaging guarantees the best possible protection for the transport of you...

Page 13: ... 30 C before switching it on Make sure that the relative humidity is between 20 and 80 and that non condensing conditions are met The power plug must be easily accessible Select a firm horizontal location that is free from vibrations as possible Avoid direct sunlight No excessive temperature fluctuations Surroundings should be as free from dust as possible Sufficient clearance around the instrumen...

Page 14: ...t Align the pan holder with the draft shield and insert them onto the bottom 4 Place the sample pan handle 5 Place a sample pan Place a sample pan on the pan holder so that the brim of the holder can secure the sample pan 4 4 Leveling the moisture analyzer Accurate horizontal positioning is a necessary condition for repeatable measurements and exact results To compensate for small irregularities o...

Page 15: ... level indicator is located under the cover towards the rear of the Moisture Analyzer Position of air bubble Adjustment method up Turn both feet clockwise down Turn both feet counterclockwise Left Turn left foot counterclockwise right foot clockwise Right Turn left foot clockwise right foot counterclockwise ...

Page 16: ...e analyzer to the power source Connect a power cable a Insert the female end of the power cord into the power inlet located at the rear of the main unit b Plug the male end of the power cord into the outlet Note To obtain accurate results the moisture analyzer must be warmed up for at least 30 minutes each time it is connected to an AC power source or after a power outage of more than 30 minutes O...

Page 17: ...f measurement methods from 0 to F Test settings such as drying mode ending mode and drying time can be set for each group 1 In the weighing state press the MENU button to set the parameters and the serial number 0 will be displayed 2 Press the UP or DOWN to select the number where 0 is the factory setting can t be changed and 1 F is the adjustable setting ...

Page 18: ...o select the required drying mode and confirm by pressing CONFIRM 1 Standard drying mode This mode is the default setting and is suitable for most samples The heating temperature can be set the sample is heated to the set temperature during the test and the temperature is maintained until the test ends automatically ...

Page 19: ...3 Soft drying mode This mode is suitable for samples with low moisture content The time required for the heater to rise to the set temperature is longer and the temperature rises evenly and slowly The time during the temperature rise phase can be set manually 5 1 3 Ending Mode setting After drying mode is set the icons for ending mode and the currently set drying mode flashes Press the UP or DOWN ...

Page 20: ...lay shows the sample moisture content heating time and current temperature 2 Manual ending mode The sample is in the test state and press the START STOP button to terminate the test After the test is completed the display shows the sample moisture content heating time and current temperature Manual stop is only available in this modes 3 Timing ending mode Preset an analysis time the heating will s...

Page 21: ...d permissible error limits Procedure 1 Press and hold the Reset button until CAL is displayed 2 Wait until the value 100 000 of the desired adjustment weight flashes 3 Put the calibration weight carefully into the center of the sample pan should be displayed 4 Remove the calibration weight after 100 000 is again displayed then should again be displayed 5 Wait until 0 000 appears the calibration is...

Page 22: ...toried measurement method will be displayed 2 Use the UP or DOWN buttons to select desired serial number of a method and confirm it by pressing the CONFIRM button The icon of the currently set drying mode flashes 3 Confirm all flashing indicated parameters in turn by pressing the CONFIRM button or change them as needed ...

Page 23: ... sample evenly on the sample pan 7 Close the heater cover and start drying by pressing START STOP During the drying process the current temperature time and temporary results will be continuously updated and displayed 8 When the drying is completed an audible signal will sound and the result will be displayed 9 Press the CONVERSION button to switch to different displays of results ...

Page 24: ...23 10 Open the heater cover and use the sample pan handle to remove the sample pan ...

Page 25: ... not use any aggressive cleaning agents solvents abrasive cleaning agents etc or organic solvents to clean the analyzer Clean the moisture analyzer using a piece of lint free cloth which has been wet with a mild detergent soap only 7 1 1 Cleaning the sample chamber Remove sample pan sample handle sample holder and draft shield for cleaning Ensure that no liquid seeps into the device Dry with a dry...

Page 26: ... to clean the tubular heating element 7 1 3 Cleaning the display panel and keyboard Wipe the panel with a damp cloth Do not use a chemical dust cloth as it may damage the paint surface and display panel 7 2 Disposal Disposal of equipment and packaging must be carried out by the operator in accordance with relevant laws of the country or region in which the equipment is to be used ...

Page 27: ...roblem Display does not change when loading samples Possible causes The sample pan pan holder is not installed correctly Problem Weight display is constantly changing or unstable Possible causes The sample pan is in contact with the draft shield or heating chamber Air movement Test bench vibration Electromagnetic field interference Problem Drying does not start Possible causes ...

Page 28: ...ssible causes Incorrect ending mode selected Problem Measurements are not repeatable Possible causes The samples are not homogeneous Drying time is too short The temperature selected is too high and the sample has been oxidized The temperature sensor is contaminated or defective The sample is not completely dry ...

Page 29: ... 199 Time setting range 1 99 min Drying mode Standard Fast Soft Ending mode Auto Timing Manual Displays of results m moisture content dry content g residual weight in grams Adjustment External calibration weight 100g Pan size φ90 mm Interface RS 232 Power 110V 60Hz AC Dimensions 240 365 180 mm Net weight 4 9kg Shipping weight 7 1kg ...

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