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OHAUS Explorer Instruction Manual
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OHAUS Explorer Instruction Manual

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INSTRUCTION MANUAL
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  • Page 1 INSTRUCTION MANUAL Balances...
  • Page 3 Ohaus Corporation, USA, was examined and evaluated in 1994 by the Bureau Veritas Quality International, BVQI, and was awarded ISO 9001 registration. This certifies that Ohaus Corporation, USA, has a quality system that conforms with the international standards for quality management and quality assurance (ISO 9000 series). Repeat audits are carried out by BVQI at intervals to check that the quality system is operated in the proper manner.
  • Page 4 V1D125 V1RW60 V0RW60 V1RW62 V0RW62 V1RW65 V1D110 V0D110 V1D112 V0D112 V1D115 V1F110 V0F110 V1F112 V0F112 V1F115 V1H110 V0H110 V1H112 V0H112 V1H115 V16130 V06130 V16135 V1F120 V0F120 V1F122 V0F122 V1F125 New Jersey, 07058, USA 22, Jun. 01 Ohaus Corporation, Pine Brook,...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS OVERVIEW OF CONTROLS ........................ 1 OVERVIEW OF DISPLAY INDICATORS ..................... 2 GETTING TO KNOW YOUR BALANCE ....................3 Introduction ............................3 INSTALLATION ............................ 3 Unpacking and Checking the Standard Equipment ................3 Selecting the Location ........................... 4 Setting Up and Leveling the Balance ....................
  • Page 6 TABLE OF CONTENTS (Cont.) Print ..............................25 RS232 ..............................27 Legal for Trade (LFT) .......................... 28 Mode ..............................29 Units ..............................30 4.10 Global ..............................30 4.11 Custom Unit ............................32 4.12 Menu Lock-Out Protection ........................34 CARE AND MAINTENANCE ......................35 Troubleshooting ..........................

  • Page 7: Overview Of Controls

    OVERVIEW OF CONTROLS Mode Stable Change Units Setup Mode Custom Center Units % PG N of Zero lb ozcti kgdwt Setup Enter Print keys to change, press Enter press - O/T - Designation Function Power on off button. Mode button Selects standard weighing, percent, parts counting and animal weighing modes.

  • Page 8: Overview Of Display Indicators

    OVERVIEW OF DISPLAY INDICATORS Mode Stable Change Units Setup Custom Center P G N of Zero l b o z c t i k gdw t keys to change, press Enter press - O/T - Function Function Use (Pointer Group) key to change - used to (British Flag) - Are (14) segment alpha numeric prompt the user while navigating through the characters.

  • Page 9: Getting To Know Your Balance

    OHAUS also has a Customer Service Department to answer any inquiries regarding applications and accessories. To ensure you make full use of the possibilities offered by your Explorer balance, we advise you to read through these operating instructions very carefully.

  • Page 10: Selecting The Location

    2.2 Selecting the Location The balance should always be used in an environment which is free from excessive air currents, corrosives, vibration, and temperature or humidity extremes. These factors will affect displayed weight readings. DO NOT install the balance: • Next to open windows or doors causing drafts or rapid temperature changes.

  • Page 11: Installing Pan

    2.4 Installing Pan Balances are shipped with the pan not installed. On bal- ances equipped with a draft shield, slide open the side door and insert the pan into the center hole which is the measuring transducer. 2.5 Wind Shield On 610 g to 4100 g balances with 0.01 g resolution, a wind shield is required to reduce the possibility of air currents from disturbing the pan.

  • Page 12: Operating Your Balance

    3 OPERATING YOUR BALANCE 3.1 The Menu (Basic Settings of the Instrument) The Explorer balance has three basic menus; each is selected by front panel buttons marked Mode, Units and Setup. Mode Button The Mode button, when pressed, permits the selection of four weighing modes which are: weigh, percent, count and animal weighing.

  • Page 13: Turning On The Balance

    3.2 Turning On the Balance The Explorer 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.
  • Page 14 3.3 Calibration (Cont.) Calibration Menu Protection NOTES: • Calibration may be locked out to prevent unautho- rized personnel from changing calibration. If calibra- tion has been locked out, you can only access Cal Test and when installed, Internal Calibration (InCAL •...

  • Page 15: Internal Calibration (Incal Tm )

    3.3.1 Internal Calibration (InCAL On Explorer balances equipped with the InCal feature, calibration can be accomplished using the internal cali- bration mass. When the balance requires calibration, a screen prompt of CAL NOW appears. This display can be turned off as described in paragraph 3.3.2. Also, a software adjust feature is incorporated which permits the internal calibration mass to be adjusted to +100 counts.

  • Page 16: Calibration Message

    3.3.2 Calibration Message On Explorer balances equipped with the InCal 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.

  • Page 17: Calibration Adjust

    3.3.3 Calibration Adjust Procedure • Perform the internal calibration procedure of para- Balances with InCal contain software which allows the graph 3.3.1. internal calibration mass to be adjusted + 100 divisions • Press # button to zero the balance. at full scale capacity. This permits calibrating the balance using an external Class I mass which is traceable to a •...

  • Page 18: Span Calibration

    3.3.4 Span Calibration Span calibration utilizes two calibration points, one at zero and the other at full span or incremental values starting at 25 % of full capacity. As an example, an 8.1 kg balance will accept either 2 kg, 4 kg, 6 kg or 8 kg for span calibration.

  • Page 19: User Calibration

    3.3.5 User Calibration User calibration is used when it is desired to calibrate the balance using a mass of known value. When LFT is set on, the balance will only accept full span calibration, 25 %, 50 % and 75 % values are disabled. To use this calibration feature, proceed as follows: Procedure •...

  • Page 20: Linearity Calibration

    3.3.6 Linearity Calibration Linearity calibration utilizes three calibration points, one at zero, center span and full span. This method minimizes deviation between actual and displayed weights within the balance's weighing range. Three weight values are used; zero, a weight value at midpoint of the balance's weighing range and a weight value at or near the specified capacity.

  • Page 21: Calibration Test

    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 an 8.1 kg balance. Procedure • Press the Setup button, CAL is displayed. Change Setup •...

  • Page 22: Calibration Glp Printout

    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 - - - - - - Span Calibration Printout 12/01/97 1:00:00 PM When performing Span calibration with all GLP options Bal Id 1234...

  • Page 23: Weighing

    3.4 Weighing NOTE: The Explorer balances are shipped with grams only enabled. When the balance is to be used with other Type Approved/Legal for Trade units of measure, the desired unit must be enabled. Refer to paragraph 4.9 to enable other measuring units.

  • Page 24: Percent Weighing

    3.5 Percent Weighing Percent Weighing is enabled only when Percent is turned ON in the Mode submenu under Setup. Percent weighing permits you to place a reference load on the balance, then view other loads as a percentage of the reference.

  • Page 25: Parts Counting

    3.6 Parts Counting Parts Counting is enabled only when Count is turned ON in the Mode submenu under Setup and selected with the Mode button. 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 must be reason- ably uniform in weight.

  • Page 26: Animal Weighing

    3.7 Animal Weighing Animal Weighing is enabled only when Animal is turned ON in the Mode submenu under Setup. Procedure • Press the Mode button. Change Mode Mode • Press button until ANIMAL is displayed. Units • Press Enter button to continue, LEVEL is displayed. Setup Enter Print...

  • Page 27: Weigh Below

    3.8 Weigh Below The Explorer balance is equipped with a weigh below hook at the bottom of the balance. To use this feature, remove power from the balance and remove the pro- BOTTOM OF BALANCE tective cover underneath the balance. See illustration for location.

  • Page 28: Setting Up Your Balance

    4.1 Setting Date and Time Your Explorer 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.

  • Page 29: Readout

    4.2 Readout The Readout menu is used to adapt the balance to environmental conditions. It contains four submenus: Stable, Auto 0, Filter, Lock and Exit. Lock enables you to program balance parameters and to lock the settings. Procedure To select any of the items in the Readout menu, pro- ceed as follows: Change Setup...

  • Page 30: Good Laboratory Practices (Glp) Data

    4.3 Good Laboratory Practices (GLP) Data The GLP Data submenu enables the storage of a user identification number (7 digits) and/or a project number (digits). When entered into the balance, the identification number and project number are available when printing providing they are turned on in the GLP Set submenu.

  • Page 31: Print

    4.5 Print The Print menu provides a number of options which can be turned ON or OFF. It contains eight submenus: Auto Print, feature which includes selection of Off, Continuous, Interval and on Stability, Inter, specifies time interval for automatic output of displayed data, Stable data-only feature, Numeric only or full display data for output, GLPCont, GLPTare, Reference which prints reference weight value and Lock which enable you to program balance param- eters and to lock the settings.
  • Page 32 4.5 Print (Cont.) GLP Continuously When the GLP Continuously function is set ON, allows the balance to output the GLP selections each time a weight value is printed to the printer. OFF is the default setting. The following example is with GLP Cont On. GLP Set Menu Sample Printout Options Turned On...
  • Page 33 4.6 RS232 The RS232 menu provides communication parameters which can be set to accommodate external printers or computers. It contains five submenus: Baud rate, Parity, Data, Stop bit and Lock ON or OFF which enable you to program balance parameters and to lock the settings. Procedure •...

  • Page 34: Legal For Trade (Lft)

    4.7 Legal for Trade (LFT) Legal for Trade (LFT) is a software controlled option which can be set to LFT NET and LFT LOCK. When set to LFT NET, the balance will indicate a NET weight during legal for trade operation. When LFT LOCK is set ON, certain items in the Calibration, Readout, Print, Mode and Units menus are automatically preset and locked to permit the balance to operate in a legal for trade application and works in conjunction with a Lock Switch.

  • Page 35: Mode

    4.8 Mode The Mode submenu permits the selection of five modes which can be turned ON or OFF. These modes are: Weigh, Percent, Count, Animal and Lock. 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 operation from the Mode button.

  • Page 36: Units

    4.9 Units The Units submenu permits the selection of the measuring units which can be turned ON or OFF and locked. Procedure • Press the Setup button, CAL is displayed. Change Setup • Press button until UNITS is displayed. Mode •...
  • Page 37 To use this feature, your balance must be connected to a computer or printer. The default setting is OFF. SAMPLE PRINTOUTS The partial sample shown, indicates the status in the menus. EXPLORER xxxxxx-xxx LFT is Off Sr #x.xx OS#x.xx G#x.xx Mode Menu WEIGH= On...

  • Page 38: Custom Unit

    4.11 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.
  • Page 39 4.11 Custom Unit (Cont.) LSD’s Change Setup LSD .5 Adds one decimal place display counts by 5’s. keys to change, press Enter 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.

  • Page 40: Menu Lock-Out Protection

    4.12 Menu Lock-Out Protection Access to the various menus can be disabled setting the Lock Switch located on the PC board inside the balance to OFF position. The Lock Switch locks out all menus which have had LOCK turned ON. The default setting for the Lock Switch is OFF.

  • Page 41: Care And Maintenance

    5 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 calibration masses in a safe dry place.

  • Page 42: Rs232 Interface

    5.2 RS232 Interface RS232 Connection Explorer balances are equipped with a bidirectional RS232 compatible interface for communication with printers and computers. When the balance is connected directly to a printer, displayed data can be output at any time by simply pressing PRINT, or by using the Auto Print feature.
  • Page 43 RS232 COMMAND TABLE (Cont.) Command Command Command Command Command Character Character Character Description Description Description Character Character Description Description C C C C C Begin span calibration Set 1 second print delay (set x = 0 for OFF, or x = 1 for ON) F F F F F Print current function.
  • Page 44 RS232 COMMAND TABLE (Cont.) Command Command Command Command Command Character Character Character Character Character Description Description Description Description Description Esc R Esc R Esc R Esc R Esc R Resets Setup and Print menus to factory defaults. CAUTION: This will reset RS232 configuration. Turns balance on.

  • Page 45: Error Codes List

    5.3 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 Transient error (hardware error, probably static discharge). If error persists, the balance must be serviced.

  • Page 46: 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 Service Specialist will be available to help you.

  • Page 47: Specifications

    5.8 Specifications Analyticals Capacity (g) 100/210 * Readability (mg) 0.1/1 Weighing units g, mg, oz , oz t, ct, dwt, taels (3), mommes, gn, ti, N, custom unit Application modes Parts counting, animal weighing, percent Features GLP, time, date, lockswitch Repeatability (Std.
  • Page 48 Admissible ambient conditions Use only in closed rooms Temperature range: 5 ºC to 40 ºC Atmospheric humidity: 80% rh @ to 30 ºC Voltage fluctuations: –15% +10% Installation category: Pollution degree: Power supply voltage: 12 V ac, 50/60 Hz or 12 V dc, 1A Power adapter: AP2805E 220 - 240V, 50/60 Hz, 100 mA AP2805 110 - 120V, 50/60 Hz, 150 mA...

  • Page 51: Limited Warranty

    Ohaus. In lieu of a properly returned warranty registration card, the warranty period shall begin on the date of shipment to the authorized dealer.
  • Page 52 19A Chapin Road, 64 Boston Road P.O. Box 2033 Beaumont Leys Pine Brook, NJ 07058-2033, USA Leicester LE4 1AW Tel: (973) 377-9000, England Fax: (973) 593-0359 With offices worldwide. © Ohaus Corporation 1999, 2001 all rights reserved. 11780302B 0103/2.12 xlvi...

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