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Un buon manuale d’uso
Le regole impongono al rivenditore l'obbligo di fornire all'acquirente, insieme alle merci, il manuale d’uso A&D EJ-440. La mancanza del manuale d’uso o le informazioni errate fornite al consumatore sono la base di una denuncia in caso di inosservanza del dispositivo con il contratto. Secondo la legge, l’inclusione del manuale d’uso in una forma diversa da quella cartacea è permessa, che viene spesso utilizzato recentemente, includendo una forma grafica o elettronica A&D EJ-440 o video didattici per gli utenti. La condizione è il suo carattere leggibile e comprensibile.
Che cosa è il manuale d’uso?
La parola deriva dal latino "instructio", cioè organizzare. Così, il manuale d’uso A&D EJ-440 descrive le fasi del procedimento. Lo scopo del manuale d’uso è istruire, facilitare lo avviamento, l'uso di attrezzature o l’esecuzione di determinate azioni. Il manuale è una raccolta di informazioni sull'oggetto/servizio, un suggerimento.
Purtroppo, pochi utenti prendono il tempo di leggere il manuale d’uso, e un buono manuale non solo permette di conoscere una serie di funzionalità aggiuntive del dispositivo acquistato, ma anche evitare la maggioranza dei guasti.
Quindi cosa dovrebbe contenere il manuale perfetto?
Innanzitutto, il manuale d’uso A&D EJ-440 dovrebbe contenere:
- informazioni sui dati tecnici del dispositivo A&D EJ-440
- nome del fabbricante e anno di fabbricazione A&D EJ-440
- istruzioni per l'uso, la regolazione e la manutenzione delle attrezzature A&D EJ-440
- segnaletica di sicurezza e certificati che confermano la conformità con le norme pertinenti
Perché non leggiamo i manuali d’uso?
Generalmente questo è dovuto alla mancanza di tempo e certezza per quanto riguarda la funzionalità specifica delle attrezzature acquistate. Purtroppo, la connessione e l’avvio A&D EJ-440 non sono sufficienti. Questo manuale contiene una serie di linee guida per funzionalità specifiche, la sicurezza, metodi di manutenzione (anche i mezzi che dovrebbero essere usati), eventuali difetti A&D EJ-440 e modi per risolvere i problemi più comuni durante l'uso. Infine, il manuale contiene le coordinate del servizio A&D in assenza dell'efficacia delle soluzioni proposte. Attualmente, i manuali d’uso sotto forma di animazioni interessanti e video didattici che sono migliori che la brochure suscitano un interesse considerevole. Questo tipo di manuale permette all'utente di visualizzare tutto il video didattico senza saltare le specifiche e complicate descrizioni tecniche A&D EJ-440, come nel caso della versione cartacea.
Perché leggere il manuale d’uso?
Prima di tutto, contiene la risposta sulla struttura, le possibilità del dispositivo A&D EJ-440, l'uso di vari accessori ed una serie di informazioni per sfruttare totalmente tutte le caratteristiche e servizi.
Dopo l'acquisto di successo di attrezzature/dispositivo, prendere un momento per familiarizzare con tutte le parti del manuale d'uso A&D EJ-440. Attualmente, sono preparati con cura e tradotti per essere comprensibili non solo per gli utenti, ma per svolgere la loro funzione di base di informazioni e di aiuto.
Sommario del manuale d’uso
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Pagina 1
1WMPD4001917[...]
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Pagina 2
This manual and Marks All safety messages are identified by the following, “W ARNING” or “CAUTION”, of ANSI Z535.4 (American National S t andard Institute: Product Safety Signs and Labels). The meanings are as follows: WA R N I N G A potentially hazardous sit uation which, if not avoide d, could result in death or serious injury . CAUTION A[...]
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Pagina 3
1 CONTENTS 1. INTRO DUCTION ............................................................................................................. 3 2. UNP ACK ING ................................................................................................................... 3 3. P ART NAMES AN D FUNCT IONS ..............................................[...]
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Pagina 4
2 1 1. MAINTE NANCE .......................................................................................................... 34 1 1-1. Notes on maintena nce ..................................................................................................... ..........34 1 1-2. Erro r c odes .......................................................[...]
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Pagina 5
3 1. INTRODUCTION This manual describes how this balance works and how to get the most out of it in terms of performance. EJ series balances have the following features: The EJ series are high-resolution ty pe electronic balances having a display resolution of 1/12,000 ~ 1/60,000. The balance has a counting function, % function and a compar[...]
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Pagina 6
4 3. P ART NAMES AND FUNCTIONS T urns the power on or off. Held down to enter the function setting mode. pcs mode: Enters the sample unit weight storing mode. % mode: Enters the 100% weight storing mode. Clears the display to zero (combined zero and tare). Outputs the weight value to printer . S tores a unit weight, 100% weight or other setting val[...]
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Pagina 7
5 4. SETTING UP 4-1. Setting up your balance 1. Place the weighing pan on the main unit as shown in “2. UNP ACKING”. 2. Adjust the level of the balance using the le veling feet. Use the spirit level to confirm. The bubble should be in the center of the circle. 3. Calibrate your balance before use. (See “7. CALIBRA TION”) Balance location T [...]
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Pagina 8
6 Remove batteries when the balance is not to be used for a long time. They may leak and cause damage to the balance. Damage due to battery leakage is not covered by the warranty . Inst alling batteries 1. T urn of f the balance and disco nnect the AC adapter if used. 2. Slide the battery cover of f. 3. Push the battery box up to unhook and[...]
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Pagina 9
7 5. OPERA TION 5-1. T urn the power ON and OFF 1. Press the ON:OFF key to turn the power ON. All of the symbols are disp layed as shown above. (About units: Only the unit s available will be displayed.) The display turns off except for a weighing unit and the decimal point. The balance waits for the weighing dat a to become stable, and zero will b[...]
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Pagina 10
8 5-3. Unit s The most common unit of weight used around t he world is the gram, but there is often a need to shift to alternative unit s specific to the country where the balance is used or to select modes such as counting or percent. The units and the order they appear in the display are as follows: Among the units, those availa ble for the user [...]
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Pagina 11
9 5-4. Selecting a weighing unit Press the UNITS key to select a unit. The following sections are a description of the three common units: g (gram mode), pcs (counting mode), and % (percent mode). 5-5. Basic operation 1. Select a weighing unit. 2. When the display does not show zero, press the RE-ZERO key to set the display to zero. 3. When using a[...]
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Pagina 12
10 5-6. Counting mode (pcs) Weighs the sample pieces and calculate it s unit weight. Using the sample unit weight, the scale counts the number of p arts or items. As for the minimum unit weight a ccept able, see the function setting “ Umin ”. Selecting the counting mode 1. Press the UNITS key to select . ( :pieces) Storing the sample unit 2[...]
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Pagina 13
11 9. The balance re-calculates the unit weight wh ile the ACAI indicator is blinking. Do not touch the balance or samples on the pan until the ACAI indicator turns off. 10. Counting accuracy is impr oved when the ACAI indic ator turns off. Each ti me the above operation is performed, a more accura te unit weight will be obtained. There is no defin[...]
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Pagina 14
12 6. COMP ARA T OR The results of the comp arison are indica ted by HI, OK or LO on the display . The comparison is as follows: LO < Lower limit value ≤ OK ≤ Upper limit value < HI Operating conditions (see the function setting “ Cp ”): No comparison (comp arator function disabled). Compares all dat a. Compares all st abl[...]
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Pagina 15
13 Entering the upper and lower limit values 6. With Cp Hi displayed, press the PRINT key . Enter the upper limit value using the following keys. SAMPLE key T o select the digit blinking to change. RE-ZERO key T o set the value of the digit selected. Hold down the key to switch the sign “+” and “-“. (“ N ” designates a negative value.) [...]
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Pagina 16
14 7. CALIBRA TION This function adjusts the bal ance for accurate weighing. Perform a calibration in the following cases. When the balance is first used. When the balance has been moved. For regular calibration. 7-1. Calibration using a weight Prepare the calibration weight (sold sep arately) in advance. 1. W arm up the balance for[...]
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Pagina 17
15 5. At step 3, pressing the PRINT key to weigh the zero-point value. Do not touch the pan during weighing. 6. Place the calibration wei ght with the same value as displayed on the pan. Press the PRINT key to weigh it. Do not touch the pan during weighing. 7. end appears. Remove the weight from the pan. When the GLP output (function setting “ in[...]
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Pagina 18
16 7-2. Gravity acceleration correction When the balance is first used or has been mov ed to a different place, it should be calibrated using a calibration weight. But if the calibration weight cannot be prepar ed, the gravity acceleration correction will compensate the balance. Change the gravity acceleration value of the balance to the value of t[...]
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Pagina 19
17 8. FUNCTIONS 8-1. Key operation Cancels the operation and turns off the balance. Item key Selects a class and an item. In the weighing mode, press and hold the key to enter the function setting mode. Enter key Proceeds to the selected class. S tores the settings per class and goes to the next class. Parameter key Selects a p arameter . Cancel ke[...]
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Pagina 20
18 8-3. Setting example T o set auto power-off function to “Enabl ed”, and the ACAI function to “Disabled”. 1. Press and hold the SAMPLE key to display func . 2. Press the PRINT key . The balance displays poff 0 . 3. Press the RE-ZERO key to display poff 1 . 4. Press the SAMPLE key several times to display aCai 1 . 5. Press the RE-ZERO key [...]
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Pagina 21
19 8-4. S toring weighing unit s It is possible to store the weighing units that will be actually used from the units available. For the units available, see “5-3. Unit s”. Select and store the weighi ng units as described below: 1. Press and hold the SAMPLE key to display func . 2. Press the SAMPLE key several times to display Unit . 3. Press [...]
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Pagina 22
20 8-5. Function list Class Item Param- eter Description 0 Auto power-off disabled poff Auto power-off 1 Auto power-off enabled Automatically power off 0 Fast / sensitive 1 2 3 Cond Response 4 Slow / stable Software filtering 0 S table when within ± 0.5d/0.5s 1 S table when within ± 1d/0.5s st-b S tability band width 2 S t able when w[...]
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Pagina 23
21 Class Item Param- eter Description 0 ACAI disabled aCai ACAI function 1 ACAI enabled If “ 0 ” is set, no additional samples required. 0 1 d 1 1/10 d Umin Minimum unit weight 2 total sample weight ≥ 5d ( ** ) d = the minimum display divis ion 0 10 pcs 1 25 pcs 2 50 pcs 3 100 pcs smpl Sample number 4 5 pcs The number of samples s[...]
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Pagina 24
22 9. OPTIONS The following options are available for the EJ series: EJ-02 USB interface EJ-03 RS-232C serial interface EJ-07 Underhook for EJ-3000 / EJ-4100 / EJ-6100 EJ-08 Underhook for EJ-1500 / EJ-2000 EJ-1 1 Breeze break EJ-12 Carrying case EJ-13 Density Determination Kit for EJ -120 / EJ-200 / EJ-300 / EJ-410 / EJ-[...]
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Pagina 25
23 4. Secure the EJ-02 with the screws supplied with the EJ-03. Connector inside the option slot. Interface specifications T ransmission system EIA RS-232C T ransmission form Asynchronous, bi-directional, half-duplex Data forma t Baud rate: 1200, 2400, 4800, 9600 bps Data: 7 bits + p arity 1bit (even or odd) or 8 bits (non-p arity) S tart bit: 1 bi[...]
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Pagina 26
24 Data form at S T , + 0 0000 . 00 g C R L F Header Data Unit T erminator There are four types of headers: ST : S table weighing data (including % dat a) QT : S table counting data US : Unstable weighing dat a (including count and %) OL : Out of weighing range (Over) The data is normally 9 digits including a decimal point and a sign. T[...]
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Pagina 27
25 Key mode Set the function “ prt 1 , 2 or 3 ”. When the PRINT key is pressed while t he weighing data is stable (the ST ABLE indicator is on), the balance transmits the data. When the dat a is transmitted, the display will blink one time. Auto-print mode A Set the function “ prt 2 ”. The balance transmits the weighing dat a when t[...]
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Pagina 28
26 9-3. EJ-07 / EJ-08 Underhook By attaching the underhook to t he bottom of the balance, large objects that are dif ficult to load on the weighing pan can be weighed, and the density (specific gravity) of objects may be measured. Refer to the “9 -6. EJ-13 Density Determination Kit” for the information about the density measurement. EJ- 07 [...]
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Pagina 29
27 9-6. EJ-13 Density Determination Kit Using this option and calculation program, the balance can determine the density (specific gravity) of a sample. EJ-13 Installation Push the fixing frame out, and remove the weighing pan. Att ach the beaker stand to the balance and fit the pan st and to the pan support of the balance. Place a beak[...]
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Pagina 30
28 Change the function table Selecting a way to set the density of a liquid Select the liquid density input method from the function table below . The function table is available only when the density measurement mode is selected. Class Item Param- eter Description 0 W ater temperature func ldin Liquid density input 1 Liquid density The way to [...]
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Pagina 31
29 2. Place a sample on the upper pan. 3. W ait for the ST ABLE indic ator to be displayed and press the SAMPLE key to store the weight in air . 4. The display shows that LO blinks and the balance start s to measure weight in water . 5. Place the sample on the lower pan in water . Adjust the amount of wa ter so that the sample is about 10 mm be[...]
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Pagina 32
30 10. ID NUMBER AND GLP The ID number is used to identify th e balance when Good Laboratory Practice (GLP) is used. The ID number is held in memory even if power to the balance is switched off. The following GLP data is transmitted to a printer or a computer using the optional RS-232C interface. • The result of calibration (“Calibr[...]
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Pagina 33
31 10-2. Output example T o print the GLP report, set the function “ info 1 ” and use MODE 3 of the printer AD-8121B. T o output the GLP report to a per sonal computer , set the function “ info 2 ”. Dat a format for “calibration report” Perform calibration using a weight. Then t he balance will output a calibration report. See ?[...]
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Pagina 34
32 “Title bloc k” and “End block” When a weight value is recorded as the GL P dat a, “Title block” and “End block” are added at a group of weight values in the GLP report. T o output the GLP report to the printer AD-8121B , use MODE 3 of it. 1. With the weight data displayed, press and hold the PRINT k ey until start is disp[...]
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Pagina 35
33 2. CC 0 is displayed. 3. If necessary to change the weight value to check, press the SAMPLE key and change the weight value using the following keys. SAMPLE key T o select the digit blinking to change. RE-ZERO key T o set the value of the digit selected. PRINT key T o store the va lue and return to step 2. 4. At step 2, press the PR INT key . Th[...]
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Pagina 36
34 1 1. MAINTENANCE 1 1-1. Notes on maintenance Do not disassemble the balance. Cont act your local A&D dealer if your balance needs service or repair . Please use the original package for transport ation. Do not use organic solvents to clean the balance. Use a warm lint free cloth dampened with a mild detergent. T o clean aroun[...]
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Pagina 37
35 the unit weight. Note: Pressing the PRINT key without adding samples may reduce counting accuracy . St arting from the 100 samples, 100 - may be displayed when the sample weight is light. This is for your notice and press the PRINT key without adding any samples. When “ aCai 0 ” (ACAI disabled) or “ Umin 2 ” is set, this notice is not sh[...]
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Pagina 38
36 12. SPECIFICA TIONS 12-1. EJ series MODEL EJ-120 EJ-200 EJ -300 EJ-410 EJ-610 Weight cap acity 120 g 210 g 310 g 410 g 610 g Min. display “d” 0.01 g 0.01 g 0.01 g 0.01 g 0.01 g Repeatability (S td. deviation) 0.01 g 0.01 g 0.01 g 0.01 g 0.01 g Linearity ±0.01 g ±0.01 g ±0.02 g ±0.02 g ±0.02 g Sensitivity drift ±20 ppm / °C (10°C~30°[...]
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Pagina 39
37 12-2. Other weighing unit s M O D E L EJ-120 EJ-200 EJ-300 EJ-410 EJ-610 C a p a c i t y 4.233 7.408 10.935 14.462 21. 517 oz. M i n . d i s p l a y 0.001 0. 001 0.001 0. 001 0.001 C a p a c i t y 0.2646 0.4630 0.6834 0.9039 1.3448 lb M i n . d i s p l a y 0.0001 0.0001 0.0001 0.0001 0.0001 C a p a c i t y 3.858 6.7 52 9.967 13.182 19.612 ozt M [...]
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Pagina 40
38 12-3. Options EJ-02 USB interface EJ-03 RS-232C interface EJ-07 Underhook for EJ-3000 / EJ-4100 / EJ-6100 EJ-08 Underhook for EJ-1500 / EJ-2000 EJ-1 1 Breeze break EJ-12 Carrying case EJ-13 Density Determination Kit for EJ- 120 / EJ-200 / EJ-300 / EJ-410 / E J-610 12-4. Dimensions EJ-120 / EJ-200 / EJ-300 EJ-1500 / EJ-2000 / EJ-3000 EJ-410 / EJ-[...]
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Pagina 41
39 GRA V ITY ACCELERA TION MAP V alues of gravity at various locations Amsterdam 9.813 m/s 2 Manila 9.784 m/s 2 Athens 9.807 m/s 2 Melbourne 9.800 m/s 2 Auckland NZ 9.799 m/s 2 Mexico City 9.779 m/s 2 Bangkok 9.783 m/s 2 Milan 9.806 m/s 2 Birmingham 9.813 m/s 2 New Y ork 9.802 m/s 2 Brussels 9.81 1 m/s 2 Oslo 9.819 m/s 2 Buenos Aires 9.797 m/s 2 Ot[...]
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Pagina 42
40 W orld map[...]