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OHAUS Navigator Instruction Manual

Summary of Navigator

  • Page 1

    1 instruction manual balances ohaus corporation ohaus corporation ohaus corporation ohaus corporation ohaus corporation 29 hanover road florham park, nj 07932-0900

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    2 iec1010-1 & en60950:1992 safety regulations iec1010-1 & en60950:1992 sicherheitsbestimmungen iec1010-1 & en60950:1992 consignes de sécurité iec1010-1 & en60950:1992 disposiciones sobre seguridad iec1010-1 & en60950:1992 prescrizioni . Di sicurezza en55022:1987 emissions en50082-1:1992 immunity not...

  • Page 3

    3 iso 9001 certificate for ohaus corporation. Ohaus corporation, usa, was examined and evaluated in 1994 by the bureau veritas quality international, bvqi, and was awarded the iso 9001 certificate. This certifies that ohaus corporation, usa, has a quality system that conforms with the international ...

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    4 table of contents overview of controls ........................................................................................................................ 6 overview of display indicators ...................................................................................................... 7 ...

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    5 table of contents (cont.) 4.3 good laboratory practices (glp) data ............................................................................................................. 30 4.4 good laboratory practices (glp) set .................................................................................

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    6 overview of controls 1 3 4 2 5 6 8 9 10 7 no. Designation function 1 i on/off button power on/off button. 2 mode button selects standard weighing, percent, parts counting, animal weighing and checkweighing modes. 3 units button selects weighing units. 4 setup button selects various menus: calibrat...

  • Page 7

    Overview of display indicators no. Function 1 2 3 5 6 7 8 9 10 12 13 4 14 no. Function 1 use (pointer group) key to change - used to prompt the user while navigating through the menu system. 2 standard (7) segment numeric characters. Six characters are available and are used for display- ing weight ...

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    8 ••••• pan 3" diameter • ••••• pan support, round 3" • ••••• pan 4.75 diameter • • ••••• pan support, round 4.75" • • ••••• pan 6"x5.5" • • • • ••••• pan support, rectangular • • • • ••••• ac power adapter • • • • • • • ••••• scoop • ••••• windshield • • • • ••••• 30g calibration mass • ••••• glass...

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    9 do not install the balance: • next to open windows or doors causing drafts or rapid temperature changes. • near air conditioning or heat vents. • near vibrating, rotating or reciprocating equipment. • near magnetic fields or equipment that generates magnetic fields. • on an unlevel work surface. •...

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    10 2.5 connecting power and communications ac power operation connect the cord from the ac adapter supplied to the connector located at the rear of the balance. Connect the ac adapter to an appropriate power source. Battery operation the balance can be operated using 8 aa alkaline batter- ies (not i...

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    11 rs232 power on/off (battery mode only) baud 300, 1200, 2400, 4800, 9600 parity none, -e-, -odd-, -0-, -1- data 7,8 stop 1, 2 lock on/off exit mode weigh on/off percent on/off count on/off animal on/off checkweigh on/off lock on/off exit print auto print off, cont, inter, on stb interval enter 1 s...

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    12 3.2 turning on the balance the balance is ready to operate after the installation procedures are performed. When the balance is first turned on and it completes its checks, it can be used to weigh or tare materials without setting the menus. It is recommended that you read this manual carefully a...

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    13 calibration masses linearity span only capacity masses masses 32g 10g and 30g 30g 210g 100g and 200g 100g or 200g 410g 200g and 400g 200g or 400g 810g 400g and 800g 400g or 800g 2100g 1000g and 2000g 1000g or 2000g 4100g 2000g and 400g 2000g or 4000g 8100g 4000g and 8000g 4000g or 8000g it is rec...

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    14 3.3.1 internal calibration (incal tm ) on navigator tm balances equipped with the incal tm feature, calibration can be accomplished using the internal calibra- tion mass. Incal tm requires use of the ac adapter supplied with the balance. When the balance requires calibration, a screen prompt of c...

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    15 3.3.2 calibration message on navigator tm balances equipped with the incal tm feature, a screen prompt of cal now appears when the balance requires calibration. This display can be turned off if it is desired not to have the balance indicate that calibration is required. Turning the display off h...

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    16 3.3.3 calibration adjust balances with incal tm contain software which allows the internal calibration value to be adjusted by + 100 divisions at full scale capacity using an external mass which is traceable to a certified standard. Procedure • perform the internal calibration procedure. • press ...

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    17 3.3.4 span calibration span calibration utilizes two calibration points, one at zero and a choice of either half capacity or full capacity. All balances will prompt for a particular weight which is shown in the table. If the prompt calls for a half capacity mass, you can use a full capacity mass,...

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    18 3.3.5 user calibration user calibration is used when it is desired to calibrate the balance using a mass of known value. User calibration limits are no less than the 1/2 nominal capacity point and no more than the display over limit. For example, on a 210g balance, it's no less than 100.00g and n...

  • Page 19

    19 procedure • clear the pan. • press the setup button, cal is displayed. • press enter button, cal typ is displayed. • press enter button. • press button and scroll to select linearity calibration, cal typ lin is displayed. • press enter button, busy is displayed. Note: if a weight is left on the p...

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    20 3.3.7 calibration test calibration test feature allows a check of a known calibration mass against the last stored calibration information in the balance. Sample display illustrates a 210g balance. Procedure • clear the pan. • press the setup button, cal is displayed. • press enter button, cal ty...

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    21 3.3.8 calibration glp printout if any option in the glp set menu is turned on, glp automatically prints data after calibration is completed. - - - - - span cal - - - - - - 12/01/98 1:00:00 pm bal id 1234 cal: 200.00g old: 200.00g dif: 0.00g wt.Ref...................................... User no 205...

  • Page 22

    22 3.4 weighing navigator tm balances are shipped with grams only enabled. When the balance is to be used with other units of mea- sure, the desired unit must be enabled. Refer to paragraph 4.8 to enable other measuring units. 32g models are shipped ready to weigh in g, oz t, dwt and ct. Zero/tare w...

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    23 3.5 percent weighing percent weighing is enabled only when percent is turned on in the mode menu under setup. Percent weighing permits you to place a reference load on the balance, then view other loads as a percentage of the reference. The load you place on the pan as a reference may be displaye...

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    24 3.6 parts counting parts counting is enabled only when count is turned on in the mode menu under setup. In the parts counting mode, the balance displays the quantity of parts you place on the pan. Since the balance determines the quantity based on the average weight of a single part, all parts mu...

  • Page 25

    25 procedure • press the mode button. • press button until animal is displayed. • press enter button to continue, level is displayed. • press or button to change sampling level, 0, 1, 2 or 3. 0 level is used for an inactive subject, 3 is used for a very active subject. • press enter button to contin...

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    26 procedure • press the mode button. • press button until check is displayed. • press enter button to continue, nom wt is dis - played. The numerical display indicates 0000.00 with the first digit flashing. The sample display indicates 0200.00g • press to change the digit and to go to the next digi...

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    27 3.9 printing data printing data to an external computer or printer requires that the communications parameters in the setup menu, print options and communication parameters be set first. Refer to page 23 print menu settings and page 25 for rs232 communication settings. Procedure • press the print...

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    28 4. Setting up your balance 4.1 setting date and time your navigator tm balance provides date and time data which can be viewed on a computer or printed out on an external printer. When you put your new instrument into operation for the first time, you should enter the current date and the time. T...

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    29 4.2 readout the readout menu is used to adapt the balance to environmental conditions. It contains four menus: stable, auto 0, filter, lock and exit. Lock, when set on, locks the readout settings entered, providing the lock switch underneath the balance is also set on. Procedure to select any of ...

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    30 4.3 good laboratory practices (glp) data the glp data menu enables the storage of a user identification number (6 digits) and/or a project number (6 digits). When entered into the balance, the identification number and project number are available when printing, provided they are turned on in the...

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    31 4.5 print the print menu provides a number of options which can be turned on or off. It contains eight menus: auto print, feature which includes selection of off, continuous, interval and on stability, interval, specifies time interval for automatic output of displayed data, stable data-only feat...

  • Page 32

    32 glp once after tare when the glp tare function is set on, it allows the balance to output the glp selections and weight measurement once after tare. Off is the default setting. The following example is with glp once after tare. Reference when the reference function is set on, it prints the value ...

  • Page 33

    33 4.6 rs232 the rs232 menu provides communication parameters which can be set to accommodate external printers or comput- ers. It contains six menus: power, baud rate, parity, data, stop bits and lock on or off. Lock, when set on, locks the communication settings entered, providing the lock switch ...

  • Page 34

    34 4.7 mode the mode menu permits the selection of five modes which can be turned on or off. These modes are: weigh, percent, count, animal weighing, checkweighing. Weigh is turned on and all others have a default setting of off. When any of the modes are turned on, they can be selected for operatio...

  • Page 35

    35 4.8 units the units menu permits the selection of the measuring units which can be turned on or off and locked. Procedure • press the setup button. • press button until global is displayed. • press enter button to continue, list is displayed. • press or button until eitherlist, reset, ver, lock o...

  • Page 36

    36 lft is off mode menu weigh= on percent= off count= off animal= off lock switch is off menu locks rs232= off readout= off glpset= off mode= off units= off print= off glp data = off cal= off global= off custom= off enabled units: g custm c. Units: 1.000000 e0 x 1 4.9 global (cont.) list this menu c...

  • Page 37

    37 4.10 custom unit custom unit is enabled when custom unit setup under units menu is turned on. This feature can be used to create your own custom weighing unit. It permits entering a conversion factor which the balance will use to convert grams to the desired unit of measure. Conversion weight wei...

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    38 lsd’s lsd .5 adds one decimal place display counts by 5’s. Lsd 1 display counts by 1’s. Lsd 2 display counts by 2’s. Lsd 5 display counts by 5’s. Lsd 10 display counts by 10’s. Lsd 100 display counts by 4.10 custom unit (cont.) procedure (cont.) • press enter button to continue, lsd is displayed....

  • Page 39

    39 4.11 auto shut-off an energy saver is incorporated in the balance to prolong battery life and to conserve ac power. A built-in timer in the balance can be set from 1 to 60 minutes. If the balance is not used or disturbed during the entire timer period, the balance will shut off after the specifie...

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    40 4.12 menu lock-out protection access to the various menus can be disabled by setting the lock switch located on the printed circuit board inside of the balance to on position. The lock switch locks out all menus which have had lock turned on. The default setting for the lock switch is off. Proced...

  • Page 41

    41 probable cause(s) power cord not plugged in or properly connected to balance. Balance was not re-zeroed before weighing. Balance not properly calibrated. Desired unit not enabled. Enter was not used. Menu locked. Print menu settings not set properly. Cable connections. Cable configuration (not oh...

  • Page 42

    42 command character description ? Print current mode nnnna set auto print feature to “nnnn” (see table). Rs232 command table field: mode stab cr lf length: 5 1 1 1 blank if stable “ ? ” if unstable nnnn = 0 turns feature off nnnn = s output on stability nnnn = c output is continuous nnnn = 1-3600 s...

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    43 rs232 command table (cont.) 0 = minimum level 1 = 2 = 3 = maximum level 1 = milligrams 2 = grams 3 = kilo grams 4 = dwt 5 = carats 6 = ounces 7 = ounces troy 8 = grains 9 = taels hk (hong kong) 10 = taels sg (singapore) 11 = taels rc (taiwan) 12 = mommes 13 = pounds 14 = 15 = newton 16 = tical 17...

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    44 command character description xz set auto zero to “x”,where x = 0 to 3 ). 0=off, 1=0.5d, 2=1d, 3=5d. X% set % reference function. Uses x (real number) as current percent reference. * reference weight must be entered in grams. X# set pc reference function. Uses x (real number) as current part refe...

  • Page 45

    45 5.3 error codes list error codes list the following list describes the various error codes which can appear on the display and the suggested remedy. Data errors 1.0 transient error (hardware error, probably static discharge). If error persists, the balance must be serviced. 1.1 balance temperatur...

  • Page 46

    46 5.5 service information if the troubleshooting section does not resolve or describe your problem, you will need to contact an authorized ohaus service agent. For service assistance in the united states, please call aftermarket, ohaus corporation toll-free at (800) 526-0659. An ohaus product servi...

  • Page 47

    47 5.8 specifications capacity 32 210 410 810 2100 4100 8100 readability 0.002g 0.01g 0.01g 0.01g 0.1g 0.1g 0.5g repeatability 0.002g 0.01g 0.1g 0.1g 0.1g 0.1g 0.5g linearity ± 0.002g ± 0.01g ± 0.01g ± 0.1g ±0.1g ±0.1g ±0.5g units/modes g, mg, oz , lb, gn, n, oz t, dwt, ct, taels (3), tola, ti, m, c...

  • Page 48

    48 limited warranty ohaus products are warranted against defects in materials and workmanship from the date of deliv- ery through the duration of the warranty period. During the warranty period ohaus will repair, or, at its option, replace any component(s) that proves to be defective at no charge, p...

  • Page 49

    49 ohaus corporation 29 hanover road, florham park, nj 07932, usa tel: (973) 377-9000, fax: (973) 593-0359 with offices worldwide. © ohaus corporation 1999, all rights reserved. P/n 300280-020