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OHAUS GT4100DG Instruction manual - Menu Lock-Out Protection

Manual is about: PRECISION Advanced Electronic Balances

Summary of GT4100DG

  • Page 1

    Instruction manual precision advanced electronic balances models gt4100g and gt4100dg ohaus corporation 29 hanover road florham park nj 07932-0900

  • Page 2

    2 the exclamation point within the tri- angle is a warning sign alerting you of important instruc- tions accompany- ing the product. Note: note: note: note: note: this equipment has been tested and found to comply with the limits for a class a digital device, pursuant to part 15 of the fcc rules. Th...

  • Page 3: Table of Contents

    3 table of contents table of contents table of contents table of contents table of contents introduction .................................................................................................. 7 description .....................................................................................

  • Page 4

    4 stability range ............................................................................................ 23 auto-zero .................................................................................................... 24 beep function .............................................................

  • Page 5

    5 rs232 interface ........................................................................................... 42 hardware ..................................................................................................... 42 output formats .............................................................

  • Page 6

    6.

  • Page 7: Introduction

    7 introduction introduction introduction introduction introduction this manual covers installation, operation and troubleshooting for the ohaus preci- sion advanced series of electronic balances, models gt4100g, and gt4100dg. Suffixes after the basic model number are: d = moveable finerange tm , g=g...

  • Page 8: Unpacking

    8 unpacking unpacking unpacking unpacking unpacking your precision advanced balance was shipped with the following items: • platform • platform support • power cord • instruction manual • warranty card • in-service cover • sealing kit it is recommended to save the carton and packing material for sto...

  • Page 9

    9 power requirements power requirements power requirements power requirements power requirements • to avoid shock hazards, always be certain that the power cord is disconnect- to avoid shock hazards, always be certain that the power cord is disconnect- to avoid shock hazards, always be certain that ...

  • Page 10: Operation

    10 press and release press and release press and release press and release press and release: turns on the balance if it is off, zeros the balance. Clears the dockage memory. In the menu system, this button is used to accept a choice or enter a submenu. Extended press extended press extended press e...

  • Page 11

    11 symbols used for operation of the balance symbols used for operation of the balance symbols used for operation of the balance symbols used for operation of the balance symbols used for operation of the balance this instruction manual uses certain symbols to explain various operational proce- dure...

  • Page 12: Naviga

    12 steps 1 steps 1 steps 1 steps 1 steps 1. Start start start start start menu menu menu menu menu 2. 2. 2. 2. 2. Accepts accepts accepts accepts accepts 3. 3. 3. 3. 3. Advances advances advances advances advances to to to to to display display display display display next display next display next ...

  • Page 13: Unit 1

    13 turning the balance on turning the balance on turning the balance on turning the balance on turning the balance on 1. With no load on the platform, connect the power cord to a suitable power source. The balance signals one long beep to indicate power has been applied. 2. Display indications displ...

  • Page 14

    14 weighing weighing weighing weighing weighing 1. To rezero the display. 2. Place the object(s) or material to be weighed on the platform. 3. Wait for the stability indicator to appear before reading the weight. Stabilization stabilization stabilization stabilization stabilization before initally u...

  • Page 15

    15 test weight mode test weight mode test weight mode test weight mode test weight mode a quart measure is required for this procedure. Test weight in lb/bu is calculated as follows: sample wt. (g) x 0.0705479 = test wt. (lb/bu) 1. . 2. Place an empty quart container on the platform, to rezero the b...

  • Page 16

    16 exiting and reentering dockage mode exiting and reentering dockage mode exiting and reentering dockage mode exiting and reentering dockage mode exiting and reentering dockage mode if it desired to use the balance for other weighing modes while a dockage sample is being processed, perform the foll...

  • Page 17

    17 cal cal span cal linearity cal user enter # cal test end, cal print reset yes yes yes yes yes/no communication baud 300, 1200, 2400 2400 2400 2400 2400, 4800, 9600 data bits 7 7 7 7 7 or 8 parity bit odd, even, none none none none none, 1, 0 stop bits 1 or 2 2 2 2 2 end, comm. Glp id # project # ...

  • Page 18: Calibration Menu

    18 note note note note note: cal span, cal linearity and cal user are disabled for type approved/lft balances. Calibration menu calibration menu calibration menu calibration menu calibration menu precision advanced balances features caltest tm which offers a choice of three calibration methods: cal ...

  • Page 19

    19 span calibration span calibration span calibration span calibration span calibration 1. . 2. . 3. , no mass on platform. 4. , value of mass which must be placed on the platform. 5. Place mass on platform. 6. . Do not disturb do not disturb do not disturb do not disturb do not disturb the balance ...

  • Page 20

    20 user calibration user calibration user calibration user calibration user calibration user calibration is used when it is desired to calibrate the balance using a mass of known value. Proceed as follows: 1. . 2. . 3. . 4. . The value of last calibration mass is displayed. 5. To change value of fla...

  • Page 21: User Menu

    21 cal test (cont.) cal test (cont.) cal test (cont.) cal test (cont.) cal test (cont.) 4. , no mass on the platform. 5. , value of mass which must be placed on the platform. 6. Allows the selection of either 25%, 50%, 75%, or 100% of full span to be used to calibrate the balance. 5. Place required ...

  • Page 22

    22 user menu protection user menu protection user menu protection user menu protection user menu protection the user menu may be locked out to prevent unauthorized personnel from changing the settings. If -safe- is displayed, the user menu has been locked out. Settings may be viewed but not changed....

  • Page 23

    23 stability range stability range stability range stability range stability range the stability range specifies how much a displayed weight may change while the stability indicator remains on. When a displayed weight changes beyond the allowable range, the stability indicator turns off indicating a...

  • Page 24

    24 auto-zero auto-zero auto-zero auto-zero auto-zero auto-zero minimizes the effects of temperature changes and shift on the zero reading. By defining a threshold level in divisions, the balance maintains the zero display until the threshold is exceeded. Factory default setting is shown in bold type...

  • Page 25: Setup Menu

    25 setup reset yes yes yes yes yes/no lft on/off off off off off select units g g g g g, oz, lb statistics enable on/off standard dev. Pop, sample, off mean on/off sum on/off high on/off low on/off difference on/off end, statistics glp time on/off bal id # on/off id # on/off proj. # on/off cal on/of...

  • Page 26

    26 setup menu protection setup menu protection setup menu protection setup menu protection setup menu protection the setup menu may be locked out to prevent unauthorized personnel from changing the settings. If -safe- is displayed, the setup menu has been locked out. Settings may be viewed but not c...

  • Page 27

    27 unit selection unit selection unit selection unit selection unit selection the unit selection (sel) submenu permits the selection of weighing units for use during operation. The balance can display weights in every unit of measure listed shown below. The default setting is shown in bold type. G g...

  • Page 28

    28 statistics statistics statistics statistics statistics statistics provides printed display data of: standard deviation either population or sample, mean, sum, high, low and difference readings. Each can be individually set on or off. 1. To select one or more parameters, access the menu. 2. . 3. ....

  • Page 29

    29 good laboratory practices good laboratory practices good laboratory practices good laboratory practices good laboratory practices good laboratory practices (glp) submenu allows the selection of time, balance identification number, identification number, project number, calibration and name data t...

  • Page 30

    30 date date date date date date is a feature which enables the balance to be set to a u.S.A. Date standard or european date standard. U.S. Standard has the month, date followed by the year each separated by (/) in the printout. The european date standard has the day first, followed by the month and...

  • Page 31

    31 date (cont.) date (cont.) date (cont.) date (cont.) date (cont.) 8. To change flashing digit to current month for us or day for european standard. 9. Flashes two centered digits. 10. To change digits. 11. Last two digits are year. 10. To change year. 11. . Lockswitch lockswitch lockswitch lockswi...

  • Page 32: Print Menu

    32 list list list list list this submenu can be used to output a listing of current menu settings via the rs232 interface. When selected, all menu settings for the user, setup and print menus will be output either to an external printer or computer. To use this feature, your balance must be connecte...

  • Page 33

    33 print menu protection print menu protection print menu protection print menu protection print menu protection the print menu may be locked out to prevent unauthorized personnel from changing settings. If safe is displayed, the print menu has been locked out. Settings may be viewed but not changed...

  • Page 34

    34 data bits data bits data bits data bits data bits the total number of bits for data, parity and stop must equal 9 or 10. (see examples). The balance will not permit you to select a combination that does not equal 9 or 10. The default setting is 7 data. To set the number of data bits to 7 or 8: ex...

  • Page 35

    35 parity (cont.) parity (cont.) parity (cont.) parity (cont.) parity (cont.) 4. . Note: note: note: note: note: if all selections do not appear, total number of data, parity and stop bits is currently 10, data or stop bits must be changed. Stop bits stop bits stop bits stop bits stop bits the numbe...

  • Page 36

    36 good laboratory practice (glp) (cont.) good laboratory practice (glp) (cont.) good laboratory practice (glp) (cont.) good laboratory practice (glp) (cont.) good laboratory practice (glp) (cont.) note note note note note: allows going back to the previous digit for correction. 8. To enter project ...

  • Page 37

    37 initialize initialize initialize initialize initialize 1. Access the submenu under the print options submenu. 2. If interval was selected in the auto print submenu, is displayed, and you may continue with step 3. If interval was not selected, is displayed. Proceed to step 7. 3. To enter time inte...

  • Page 38

    38 initialize (cont.) initialize (cont.) initialize (cont.) initialize (cont.) initialize (cont.) 11.After the last digit is entered, is displayed again. For the non-ph high limit. 12 to view the current value for the high end of the range. 13.Change the number as needed using the same procedure as ...

  • Page 39

    39 reference reference reference reference reference when the reference function is set on, prints the value of weight used as a reference in fm % mode. When set to current, the printer prints the current reference immedediately. 1. Access the submenu under the print options submenu 2. To display th...

  • Page 40: Menu Lock-Out Protection

    40 list list list list list this submenu can be used to output a listing of current menu settings via the rs232 interface. When selected, all menu settings for the print menu will be output either to an external printer or computer. To use this feature, your balance must be connected to a computer o...

  • Page 41

    41 type approved balance sealing type approved balance sealing type approved balance sealing type approved balance sealing type approved balance sealing precision advanced electronic balances with a "g & dg" suffix, may be sealed for type approved applications. Type approved balances include a lead ...

  • Page 42: Rs232 Interface

    42 rs232 interface rs232 interface rs232 interface rs232 interface rs232 interface precision advanced balances are equipped with a bi-directional rs232 compatible interface for communication with printers and computers. When the balance is connected directly to a printer, displayed data can be outpu...

  • Page 43

    43 command command command command command character character character character character description description description description description ? ? ? ? ? Print current mode nnna nnna nnna nnna nnna set auto print feature to “nnn” (see table). C c c c c begin span calibration xd xd xd xd xd ...

  • Page 44

    44 command command command command command character character character character character description description description description description p p p p p print display data when “numeric only” display data is selected for output in the rs232 menu, the mode field is not output. Xs xs xs xs x...

  • Page 45: Care and Maintenance

    45 care and maintenance care and maintenance care and maintenance care and maintenance care and maintenance to keep the balance operating properly, the housing and platform should be kept clean and free from foreign material. If necessary, a cloth dampened with a mild detergent may be used. Keep cal...

  • Page 46

    46 error codes list error codes list error codes list error codes list error codes list the following list describes the various error codes and which can appear on the display and the suggested remedy. Data errors data errors data errors data errors data errors 0.0 transient error (hardware error, ...

  • Page 47: Service Information

    47 error codes list (cont.) error codes list (cont.) error codes list (cont.) error codes list (cont.) error codes list (cont.) checksum errors 8.2 power-on load out of specification: balance was turned on with load on platform or platform off balance. No load may be on platform when turned on and p...

  • Page 48: Replacement Parts

    48 replacement parts replacement parts replacement parts replacement parts replacement parts description ohaus part no. In-service cover kit 76901-00 in-service cover plate 76815-01 power cord, 120 v, u.S. 6569-00 fuses 100/120 v .315 at 90167-45 220/240 v .160 at 90167-42 accessories accessories ac...

  • Page 49: Specifications

    49 model model model model model gt4100 gt4100 gt4100 gt4100 gt4100g g g g g gt4100dg gt4100dg gt4100dg gt4100dg gt4100dg capacity (g) 4100 410/4100* oz avd 144 14.4/144* lb avd 9 0.9/9* readability (g) 0.1 0.01/0.1* oz avd 0.0005 0.0005/0.005* lb avd 0.00002 0.00002/0.0002* weighing modes g, oz , l...

  • Page 50

    50

  • Page 51: Limited Warranty

    51 limited warranty limited warranty limited warranty limited warranty limited warranty ohaus products are warranted against defects in materials and workmanship from the date of delivery through the duration of the warranty period. During the warranty period ohaus will repair, or, at its option, re...

  • Page 52

    52 ohaus corporation ohaus europe ltd. 29 hanover road, england florham park, nj 07932, usa tel: +44 (0) 1954 251343, tel: (973) 377-9000, fax: +44 (0) 1954 250205 fax: (973) 593-0359 with offices in germany, france, spain, italy, poland, canada, mexico and japan. P/n 76769-19 r1097 © ohaus corporat...