A&D GXA-14 Instruction Manual Download Page 1 | Manualshive

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DENSITY DETERMINATION KIT

GX-124AE/GX-224AE/GX-324AE
GX-124A/GX-224A/GX-324A
GF-124A/GF-224A/GF-324A

1WMPD4003962

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Summary of Contents for GXA-14

Page 1: ...DENSITY DETERMINATION KIT GX 124AE GX 224AE GX 324AE GX 124A GX 224A GX 324A GF 124A GF 224A GF 324A 1WMPD4003962 ...

Page 2: ...avoided may result in minor or moderate injury Note Provides information useful for the user to operate the instrument This is a hazard alert mark Note This manual is subject to change without notice at any time to improve the product The contents of this manual and the specifications of the instrument covered by this manual are subject to change for improvement without notice 2019 A D Company Ltd...

Page 3: ...uid 4 4 4 Influence Of Wire 5 4 5 Surface Tension 5 4 6 Bubbles 5 5 MEASURING THE DENSITY OF A SOLID 6 5 1 Assembling The Kit 6 5 2 Measuring The Density Of A Solid 7 6 MEASURING THE DENSITY OF A LIQUID 9 6 1 Assembling The Kit 9 6 2 Measuring The Density Of A Liquid 9 7 FREQUENTLY ASKED QUESTIONS 10 8 WATER RESISTANT DIGITAL THERMOMETER AD 5625 11 8 1 For Safe Use 11 8 2 Precautions When Handling...

Page 4: ...he results of measurements may be affected by various factors that could cause errors therefore we cannot guarantee them to be 100 accurate Do not use the density determination kit for measuring the density of chemically active substances After using the density determination kit clean all surfaces to remove rust and oxides The balance is precision instrument so avoid shocks or excessive loads To ...

Page 5: ...imedes principle A body immersed in a liquid or a gas is subject to an upward force equal to the weight of the liquid or the gas it displaces The upward force is buoyancy 3 4 Density Of A Solid The density of a solid can be obtained according to the weight of the sample in air the weight of the sample in liquid and the density of the liquid A ρ ρ0 d d A B ρ Density of sample g cm3 A Weight of samp...

Page 6: ...ntain errors When measurement accuracy to the third decimal place or beyond is necessary measure the volume of the float using distilled water A B V 0 0035 ρ d V Volume of float cm3 A Mass of float in air g B Mass of float in liquid g ρ Density of distilled water at t C g cm3 d Density of air at t C g cm3 0 0035 Correction value for the wire diameter of 1 mm of the density pan connecting the upper...

Page 7: ...e to buoyancy such that it is negligible 4 5 Surface Tension In solid density measurement a force surface tension of about 5 mg is exerted on the pan between the wire diameter of 1 mm of the density pan and the liquid surface The surface tension can be reduced by about 1 mg by adding a surfactant for example a wetting agent used for developing photographs Adding 0 1 mL density 1 2 g cm3 of a surfa...

Page 8: ... 6 Place the density pan on the density pan stand 7 Adjust the amount of the liquid so that the sample when placed on the lower pan in the liquid is about 10 mm below the surface of the liquid 8 When the value displayed on the balance is stable press the RE ZERO key to set the displayed value to zero Now the balance is ready for density measurement GX AE GX A GF A series balances are equipped with...

Page 9: ... 0 99970 0 99961 0 99949 0 99938 0 99924 0 99910 0 99894 0 99877 0 99860 0 99841 20 0 99820 0 99799 0 99777 0 99754 0 99730 0 99704 0 99678 0 99651 0 99623 0 99594 30 0 99565 0 99534 0 99503 0 99470 0 99437 0 99403 0 99368 0 99333 0 99297 0 99259 40 0 99222 0 99183 0 99144 0 99104 0 99063 0 99021 0 98979 0 98936 0 98893 0 98849 At sea level 1 atmosphere the density of water reaches maximum at 3 98...

Page 10: ...of sample Weight of sample in air in liquid 8 06 g cm3 Calculated Value A Weight of sample in air g 4 8102 g Value B Weight of sample in air Weight of sample in liquid g 0 5946 g Temperature of liquid C 26 C Density of liquid g cm3 0 99678 g cm3 Atmospheric pressure hpa 1013 hpa Density of air g cm3 0 0012 g cm3 Weight of sample in air ρ Density of liquid Density of air Density of air g cm3 Weight...

Page 11: ...uid Use the following procedure to obtain the density of a liquid 1 With the float hanging record the value This is the weight of the float in air for value A Press the RE ZERO key to set the displayed value to zero 2 Pour the liquid of which you want to measure the density into the beaker Make sure that the float is about 10 mm below the surface of the liquid 3 When the value displayed on the bal...

Page 12: ...re gradually generated on the sample surface and a measurement error occurs What can I do about this Tap water contains dissolved gases such as oxygen and carbon dioxide When tap water is used the released dissolved gases generate bubbles It is recommended that pure water or distilled water which contains few dissolved gases be used When I try to measure a highly water repellent material such as r...

Page 13: ...on Please note that the end of the sheath is sharp so may cause harm to people or objects When being carried or not in use please keep in the sheath holder Please ensure the device is not subject to severe impacts vibrations or electric shocks This may result in mechanical error Do not use the device in direct sunlight for a prolonged period of time in an unventilated vehicle or close to a heat so...

Page 14: ...ge or there is an error in the temperature sensor or internal circuit Hi Appears when the measurement temperature exceeds the upper limit for the display range or there is an error in the temperature sensor or internal circuit LCD ON OFF button AUTO OFF button MAX MINI button Battery cover Sheath Sheath holder Low battery indicator Minimum value display Maximum value display Measurement temperatur...

Page 15: ...k on the main body and the mark on the battery cover join together and turn the battery cover in clockwise direction using a coin until the mark on the battery cover joins the lower mark on the main body The battery cover not secured properly may result in water entering and damaging the device CAUTION Precautions on the battery use The provided battery is for monitoring purpose and its life may t...

Page 16: ...xposed to the steam Otherwise the steam may damage the device When measuring the semisolid material Stick the sensor to the depth where you would like to measure the temperature in the material Attempting to forcibly stick the sensor into the material when the measurement material is too solid may damage the sheath In such case a device that enables smooth insertion of the sensor is required When ...

Page 17: ...isplays the current measurement temperature if no operation is made for 30 seconds while on the maximum or minimum temperature display To check the maximum and minimum temperatures for a new measurement reset the memory before starting the measurement by following the Resetting the maximum and minimum temperature memory described below CAUTION The maximum and minimum temperatures memorized in the ...

Page 18: ... appears at the upper right on the display to show that auto power off function is now enables With the auto power off function the device automatically turns the power off when no operation is made for about five minutes To disable the auto power off function press the AUTO OFF button again The AUTO at the upper right on the display disappears and the auto power off function becomes disabled 2 Tu...

Page 19: ...99 9 3 0 29 9 to 20 0 100 0 to 199 9 4 0 40 0 to 30 0 200 0 to 260 0 Display refreshment interval Every one second Waterproof level JIS IPX7 Waterproof for 30 minutes at a water depth of 1 meter still water at room temperature Power supply CR2032 x 1 pc Battery life Approx 1 year When used for one hour per day Operating temperature and humidity 0 to 40 75 RH or less No condensation Excluding the s...

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Page 24: ...ton South Australia 5031 AUSTRALIA Telephone 61 8 8301 8100 Fax 61 8 8352 7409 A D KOREA Limited 한국에이 엔 디 주 서울특별시 영등포구 국제금융로6길33 여의도동 맨하탄빌딩 817 우편 번호 07331 817 Manhattan Bldg 33 Gukjegeumyung ro 6 gil Yeongdeungpo gu Seoul 07331 Korea 전화 82 2 780 4101 팩스 82 2 782 4264 OOO A D RUS OOO ЭЙ энд ДИ РУС 121357 Российская Федерация г Москва ул Верейская дом 17 Business Center Vereyskaya Plaza 2 121357 Ru...

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