The Ohaus Explorer balances are available in capacities from 120 grams to 10,200 grams. Features Modular Design: Ohaus Explorer balances are composed of two interconnected modules: a Terminal and a Base. Depending on the user’s needs, the unit can be operated with the Terminal either attached to, or remote from, the Base, with a single interconnect cord 1 meter long.
EN-6 EXPLORER BALANCES INSTALLATION Unpacking Carefully remove your Explorer balance and each of its components from the package. The included components vary depending on the balance model (see table below). Save the packaging to ensure safe storage and transport. EX2202 EX223 EX4202 EX124...
EXPLORER BALANCES EN-7 Installing Components Refer to the illustrations and instructions below to identify and assemble your Explorer balance with its components. All components must be assembled before using the balance. 2.2.1 Terminal Setup When the Explorer is delivered, the Terminal is already attached (docked) to the Base. No additional setup is necessary.
EN-8 EXPLORER BALANCES 2.2.4 Installing the Draft Shield Glass and Doors on Draft Shield Models 1. Carefully remove each of the four glass Draft Shield sections from the packaging. NOTE: Before installing side doors, be sure to set the lock tabs in the proper position, as shown here. UNLOCK: LOCK: 2.
EXPLORER BALANCES EN-9 2.2.5 Installing the Weighing Pan & Wind Shield – Non-Draft Shield Models Note: Assembly instructions also apply to models with the suffix M or N. 1. Place the four Support Caps onto the Balance as shown. 2. Place the Weighing Pan on the Support Caps 3.
EN-10 EXPLORER BALANCES Connecting Power 2.5.1 AC Adapter Connect the power cord of the AC Adapter (supplied) to the power receptacle on the rear of the Base. Then connect the AC adapter plug to a suitable electrical outlet. Caution: For use with CSA certified (or equivalent approved) power source, which must have a limited current output.
EXPLORER BALANCES EN-11 Remote Terminal Operation The Terminal communicates with the weighing base via the Terminal cable. This cable must be plugged into the Terminal for the Explorer to display properly. If desired, the Explorer balance may be operated either with the Terminal attached (as-shipped), or remotely (up to 1 meter away).
EN-12 EXPLORER BALANCES OPERATION Overview of Display, Home Screen This equipment utilizes a touch-sensitive display. Touch areas and Buttons to control the equipment’s functions. CONTROLS Touch to access application setup menu Touch to change Touch to access applications available libraries Touch for information menu Instructional Messages Stability (*), Net (NET),...
EXPLORER BALANCES EN-13 Overview of Parts and Features –Draft Shield Models Terminal cable storage clips Data label Weigh Lock switch Below Access Illuminated Foot; Non- Level Adjustable Indicator (hidden) Touchless Sensors Top View Bottom View Draft Shield Light Touchless Sensors with Power Indicator Lights Connection...
EN-14 EXPLORER BALANCES 3.4 Overview of Parts and Features – Non-Draft Shield Models Terminal cable storage clips Data label Weigh Lock switch Below Access Illuminated Level Foot; Non- Indicator Adjustable Touchless Sensors Top View Bottom View Touchless Power Sensors with Leveling Connection Indicator Lights...
EXPLORER BALANCES EN-15 Overview of Parts and Features – Terminal Terminal Hooks Terminal Bracket (to attach Release to base) Buttons Capacity sticker (Approved models only) Angular Adjust Buttons Touchless Sensors with Indicator Lights Foot Top View Side View USB Device Connection Option Port...
EN-16 EXPLORER BALANCES Functions and Their Icons Seven Icons are initially available to operate the Balance and access the Menu. These Icons can be customized based on user preference. For setup information, see User Settings. 3.6.1 Standby Touch Standby to shut down the display. Note: After initial start-up (Section 2), in Standby your balance needs no warm-up time and is immediately available for weighing by touching the Start-up icon.
EXPLORER BALANCES EN-17 3.6.11 Weighing Units The balance can be configured to measure in a variety of weighing units, including three (3) custom units. Touch Units to choose from the displayed list. (Scroll down to see all options.) Note: The active weighing Unit can also be accessed by touching the unit area of the Main Display line;...
EN-18 EXPLORER BALANCES APPLICATIONS The balance can be configured to operate in various Application modes. Touch Applications to choose – or the top button in the Application area: Note: If an application mode does not appear in the list of available Applications it must be enabled in the User Menu: touch Menu, then select Application Modes.
EXPLORER BALANCES EN-19 Weighing Note: Before using any application, be sure the balance has been leveled and calibrated. Use this application to determine the weight of items in the selected unit of measure. Note: The Explorer is shipped with all units enabled. Weighing 1.
EN-20 EXPLORER BALANCES 4.1.2 Application Setup The Application can be customized for various user preferences. Touch the Setup Icon (wrench) to enter Application Setup The Application Setup Menu is now displayed. Select the list item to view or change the setting as desired.
EXPLORER BALANCES EN-21 4.1.3 Statistics for Weighing The Statistics function allows you to compare a number of samples and examine the relative deviation of each sample from the mean, along with other statistical data. A minimum of three samples is required. Statistics can be determined manually (requires key press after each step) or automatically (weights are automatically recorded when stable).
EN-22 EXPLORER BALANCES Parts Counting Use this application to count samples of uniform weight. Three different modes can be selected: Standard Counting, Check Counting, or Fill Counting. 4.2.1 Standard Parts Counting (default) In the upper left portion of the home screen, select Counting. The default (or last) Average Piece Weight (APW) is displayed.
Page 25
EXPLORER BALANCES EN-23 Set a known Average Piece Weight (APW) To adjust the APW value directly, touch the APW button A numeric input window appears. Key in the desired APW Weight, then press The display returns to the previous screen with the new APW value highlighted.
Page 26
EN-24 EXPLORER BALANCES 4.2.1.2 Sample Size The sample size can be 1 to 100 pieces. The default sample size is 10. Once a sample size is changed, the balance will immediately open the Recalculate APW screen, expecting to establish a new APW. The current sample size is shown on the Settings screen.
EXPLORER BALANCES EN-25 4.2.2 Application Setup The Application can be customized for various user preferences. Touch the Setup Icon (wrench) to enter Application Setup. The Application Setup Menu appears. Select the list item to view or change the setting as desired.
EN-26 EXPLORER BALANCES 4.2.3 Parts Counting – Check This feature permits establishing a set quantity of pieces as criteria for similar items that can be quickly checked against a sample. Press the Setup (wrench) button to enter the Counting Setup menu. Change Counting Mode to...
EXPLORER BALANCES EN-27 4.2.4 Parts Counting – Fill This feature permits establishing a set quantity of pieces as a reference, so when pieces are added, their percentage of the reference amount appears. A Progress bar indicates the percentage. In the upper left portion of the home screen, select Parts Counting. (The option will appear if it has been enabled in the Application Modes menu.) Press the Setup (wrench) button...
EN-28 EXPLORER BALANCES The buttons for APW, Samples and Target show default (or previously set) values. To change values, touch the button. A keyboard screen appears. Key in the new value, and press Done. To set a new average piece weight, press Recalculate APW. A new screen appears saying: Place 10 pieces.
Page 31
EXPLORER BALANCES EN-29 Accumulating displayed values & Viewing data – Manual Once Statistics is enabled, two buttons appear on the Application screen; Statistics and Accumulate. To add the sample to the data set, place the item on the pan and press Accumulate.
EN-30 EXPLORER BALANCES Percent Weighing Use Percent Weighing to measure the weight of a sample displayed as a percentage of a pre-established Reference Weight. The default (or last) Reference Weight is displayed. Place an object on the pan. The difference between the sample and the Reference Weight is displayed as both a weight and a percentage.
Page 33
EXPLORER BALANCES EN-31 Establishing a Reference Weight There are two methods to establish the Reference Weight value: 1. Direct: If the actual Reference Weight is known, it can be entered directly; 2. Derived: The sample’s weight can be used to establish the reference weight. Establishing a Known Reference Weight The current Reference...
Page 34
EN-32 EXPLORER BALANCES Reference Weight Adjustment (Reference Adjust) The Reference Weight adjustment can be 1 to 1000 percent. Examples: 100% means the sample is displayed as compared to 100% of the Reference Weight. 25% means the sample is displayed as compared to 400% of the Reference Weight. The Edit Settings screen shows current Reference Adjust value.
EXPLORER BALANCES EN-33 4.3.2 Application Setup The Application can be customized for various user preferences. Press Setup (wrench) from the home screen. The Setup Menu appears. Select the item to view or change. To return to the Application home screen, press Done.
EN-34 EXPLORER BALANCES Check Weighing Check Weighing is used to compare the weight of a sample against target limits. Three different modes can be selected: Over and Under, Nominal Weight Tolerance, or Nominal Percent Tolerance. 4.4.1 Standard Check Weighing (default) In the upper left portion of the home screen, select Check Weighing.
EXPLORER BALANCES EN-35 4.4.3 Application Setup The Application can be customized for various user preferences. Touch the Setup Icon (wrench) to enter the Application Setup from the home screen: The Setup Menu is now displayed. Select the list item to view or change the setting as desired.
EN-36 EXPLORER BALANCES 4.4.4 Check Weighing – Nominal/Weight Mode With this feature you can establish a Target or Nominal weight value and pre-set tolerance in weight. To enable this feature, enter the Setup menu. Change the mode to Nominal/Wt Tolerance. The Check Weighing options screen returns.
EXPLORER BALANCES EN-37 4.4.5 Check Weighing – Nominal/Percent Tolerance Mode With this feature you can establish a Target or Nominal weight value and pre-set tolerance in percent. To enable this feature, enter the Setup menu. Change the mode to Nominal, % Tolerance. The Check Weighing options screen returns. Press Done to begin Check Weighing.
EN-38 EXPLORER BALANCES 4.4.6 Display Settings The results can be displayed with the check status (Under, Accept, or Over) either in the Progress bar (Weighing) or in the main Weighing Line (Check Status). To display the results in the main Weighing Line, set the Display Setting to Check Status, using the Application Setup screen.
EXPLORER BALANCES EN-39 4.4.7 Statistics for Check Weighing Use the Statistics function to compare a number of samples and examine the relative deviation of the samples along with other statistical data. A minimum of three samples is required. Statistics can be determined manually (with key press after each step) or automatically (weights recorded automatically when stable).
EN-40 EXPLORER BALANCES Dynamic/Animal Weighing Use this application to weigh an unstable load, such as a moving animal. Three different start/reset modes can be selected: Manual (start and stop via key press), Semi-Automatic (auto-start with manual reset), and Automatic (start and stop automatically). Dynamic Weighing –...
EXPLORER BALANCES EN-41 4.5.1 Edit Settings To view or adjust the current settings: Press the Edit Settings button. (See Home Screen, previous page.) The Settings screen appears. The Application Settings Screen. Settings available: Averaging Time Functions Available: Return to Application The Averaging Time can be set from 1 to 99 seconds.
EN-42 EXPLORER BALANCES Dynamic Weighing Application Setups (defaults in Bold) Item Available Settings Comments Enabled On, Off Turns Application on/off Auto Sample Mode Manual, To select the Mode Semi Automatic Automatic Statistics Off, Manual, Auto Lock Settings On, Off Press to lock the current setting(s) so they cannot be changed.
EXPLORER BALANCES EN-43 4.5.4 Dynamic Weighing – Automatic The cycle begins when an object (animal) is placed on the pan, and the held value is automatically reset when the object is removed from the pan (10-second delay). To enable this feature, enter the Dynamic Weighing Setup menu. Press Auto Sample, and change the mode to Automatic.
EN-44 EXPLORER BALANCES 4.5.5 Statistics for Dynamic Weighing Use the Statistics function to compare a number of samples and examine the relative deviation of the samples along with other statistical data. A minimum of three samples is required. Statistics can be determined manually (Manual mode, with key press after each step) or automatically (Automatic Mode: weights are automatically recorded when stable).
EXPLORER BALANCES EN-45 Filling This application allows the user to slowly fill a container to a pre-determined target weight. The progress bar displays the filling status, and within 10 percent of the target value the progress bar converts to fine resolution (+/–...
EN-46 EXPLORER BALANCES Using a Sample to establish new Target Weight - Derived To establish a new Target Weight value, press the Recalculate Target Weight button. The New Target Screen appears, with a message: Place the target weight on the pan. Press Accept to continue.
EXPLORER BALANCES EN-47 The Filling Application Setups (defaults in Bold) Item Available Settings Comments Enabled On, Off Turns Application on/off Secondary Unit On, Off To show the Second Display line Statistics Off, Manual, Auto Lock Settings On, Off Press to lock the current setting(s) so they cannot be changed.
Page 50
EN-48 EXPLORER BALANCES Accumulating Displayed Values & Viewing Data – Manual Once Statistics is enabled, two buttons appear on the Application screen: Statistics and Accumulate. To add the sample to the data set, place the item on the pan and press Accumulate. When stable, the Statistics button momentarily lights to show the item is added to the set and the data set quantity increments by one.
EXPLORER BALANCES EN-49 Totalization Totalization measures the cumulative weight of a sequence of items. Two different Totalization accumulation modes can be selected: Manual accumulation (requires key press) and Automatic accumulation. The cumulative total may exceed the capacity of the Balance. 4.7.1 Totalization –...
EN-50 EXPLORER BALANCES 4.7.2 Application Setup The Application can be customized for various user preferences. Touch the Setup Icon (wrench) to enter the Application Setup from the home screen. The Setup Menu appears. Select the list item to view or change the setting as desired.
EXPLORER BALANCES EN-51 4.7.3 Totalization – Automatic The weight of the item is added automatically (when stable). To enable this feature: 1. Touch the Setup Icon (wrench) to enter Application Setup. 2. Press Auto Sample to turn this feature On. Clear the pan (if necessary).
EN-52 EXPLORER BALANCES Formulation Use this application for compounding and recipe making. The number of components can be 2 to 99. Formulation has two available modes of operation: Free Formulation and Recipe Formulation. 4.8.1 Free Formulation (default) This mode of Formulation allows the user to freely add components. A filler material is asked for at the end. In the upper left portion of the home screen, select Formulation.
EXPLORER BALANCES EN-53 4.8.2 Application Setup The Application can be customized for various user preferences. Touch the Setup icon (wrench) to enter Application Setup from the home screen. The Setup Menu appears. Select the list item to view or change the setting as desired.
EN-54 EXPLORER BALANCES 4.8.3 Recipe Formulation Recipe Formulation requires the formula to be entered first, followed component by component. To enable this feature, press the Setup icon (wrench) to enter the Formulation Setup menu. Change the mode to Recipe Based. Press Done in the main setup options screen.
Page 57
EXPLORER BALANCES EN-55 Enter the new name, then press The display returns to the previous screen with the new value highlighted momentarily. To change the default component weight, press Edit Weight. The numeric entry screen appears. Enter the new weight, then press The display returns to the previous screen with the new value highlighted momentarily.
Page 58
EN-56 EXPLORER BALANCES Formulation Results Press Print to send the results to the enabled COM port. To close the Results window and return to the Application home screen, press Close.
EXPLORER BALANCES EN-57 Differential Weighing Differential weighing stores weight values so samples can be dried or processed and the difference in weight calculated. Up to 99 samples can be stored. Differential weighing has two operating modes: • Auto-Process On, where the initial and final weights are sequentially gathered for a one item;...
Page 60
EN-58 EXPLORER BALANCES New items are added with default name and weight information (no initial or final weights). To change the default Item Name, press Edit Name. The alpha-numeric entry screen appears. Enter the new name, then press The display returns to the previous screen with the new value highlighted momentarily.
EXPLORER BALANCES EN-59 4.9.2 Application Setup The Application can be customized for various user preferences. Touch the Setup icon (wrench) to enter Application Setup from the home screen. The Setup Menu appears. Select the list item to view or change the setting as desired. To return to the Application home screen, touch Done.
EN-60 EXPLORER BALANCES 4.9.3 Differential Weighing with Auto-Process On Differential weighing with Auto Process On requires the initial and final weights to be sequentially gathered for a single item. To enable this feature, touch the Setup icon (wrench) from the home screen to enter Application Setup.
4. Porous material (impregnated with oil) A density determination kit is designed to be used with Ohaus Explorer balances. Illustrations in this procedure refer to the density kit. However, you may use whatever lab apparatus that suits the requirements for density measurements.
Page 64
EN-62 EXPLORER BALANCES A numeric input window appears. Enter the actual water temperature, then press Done. The display returns to the previous screen with the new value highlighted. To return to the Density Determination home screen, touch Return to Application. To begin the Density Determination process, press Begin Density Determination.
EXPLORER BALANCES EN-63 4.10.2 Application Setup The Application can be customized for various user preferences. Touch the Setup Icon (wrench) to enter Application Setup from the home screen. The Setup Menu appears. Select the list item to view or change the setting as desired.
EN-64 EXPLORER BALANCES 4.10.3 Measuring the Density of a Buoyant Material Using Water Press the Setup button (the wrench) to open Settings screen. Confirm the following Setups are selected: Density Type: Solid Liquid Type: Water Porous Material: Off Press Done to return to the Density Determination home screen. Follow the same procedure as Solid Material above, except in Density Determination step 2, push the sample down into the liquid until it is fully submerged.
EXPLORER BALANCES EN-65 To return to the Density Determination home screen, touch Return to Application. Begin the Density determination process as per above. 4.10.5 Measuring the Density of a liquid using a Calibrated Sinker (not supplied) Enable this feature, enter the Density Setup menu and select the following; Density Type: Liquid. (See Application Setup.) Note: when the Density Type is set to Liquid, the Liquid type and Porous material selections are disabled.
Page 68
EN-66 EXPLORER BALANCES A numeric input window is displayed. Key in the desired value, then press The display returns to the previous screen with the new value highlighted. To return to the Density Determination home screen, touch Return to Application. Press Begin Density Determination to start the process.
EXPLORER BALANCES EN-67 4.10.6 Measuring the Density of Porous Material Using Oil To enable this feature, enter the Density Determination Setup menu, and set the following: Density Type: Solid Liquid Type: Water Porous Material: On The DENSITY DETERMINATION – POROUS Home screen Main Display Line Second Display Line Reference Fields...
Page 70
EN-68 EXPLORER BALANCES Press Begin Density Calculation. Step 1 of 3 – Weigh the Un-Oiled Sample in Air. Follow the screen instructions then press Accept to store the dry sample weight (in air). Step 2 of 3 – Weigh the Oiled Sample in Air. Follow the screen instructions then press Accept to store the sample weight (oiled).
EXPLORER BALANCES EN-69 4.11 Peak Hold The Peak Hold application allows the user to capture and store the highest stable weight in a series of weight measurements. Three different start/reset modes can be selected: Manual (start and stop the capture via key press), Semi-Automatic (start automatically/reset manually);...
EN-70 EXPLORER BALANCES 4.11.2 Application Setup The Application can be customized for various user preferences. Touch the Setup icon (wrench) to enter Application Setup from the home screen. The Setup Menu appears. Select the list item to view or change the setting as desired.
EXPLORER BALANCES EN-71 4.11.3 Peak Hold – Manual For manual start and reset, choose Manual mode. To enable this feature, enter the Peak Hold Setup menu: Change the mode to Manual. The PEAK HOLD – Manual Home screen Main Display Line Second Display Line Reference Fields Application Buttons...
EN-72 EXPLORER BALANCES 4.11.4 Peak Hold – Automatic For automatic start and reset, choose Automatic mode. To enable this feature, enter the Peak Hold Setup menu. Change the mode to Automatic. The HIGH POINT – Auto Home screen Main Display Line Second Display Line Reference Fields Application Buttons...
EXPLORER BALANCES EN-73 4.12 Ingredient Costing This application allows the user to determine the cost of a formula or recipe based on the known cost and quantity of the components or ingredients. Up to 99 components are allowed. In the upper left portion of the home screen, select Ingredient Costing. Follow the screen instructions to begin.
Page 76
EN-74 EXPLORER BALANCES To change the default item name, Press Edit Name. The alpha-numeric entry screen appears. Enter the new name, then press The display returns to the previous screen with the new value highlighted momentarily. To change the default component cost per unit, Press Edit Cost.
Page 77
EXPLORER BALANCES EN-75 Continue adding items as required, using Add New. New items can be added at any time. To delete an item, touch the item to highlight it, then press Delete Item. To clear all items, press Clear All. A confirmation is required. When finished, press Return to Application.
EN-76 EXPLORER BALANCES 4.12.2 Application Setup The Application can be customized for various user preferences. Touch the Setup Icon (wrench) to enter Application Setup from the home screen. The Setup Menu is now displayed. Select the list item to view or change the setting as desired.
EXPLORER BALANCES EN-77 4.13 Pipette Adjustment Pipette adjustment checks the accuracy and precision values of pipettes by weight analysis. The balance has a built-in density reference table for water at temperatures between 10°C and 30°C. If other liquids are used for pipette calibration, enter the liquid’s density at current room temperature in g/cc.
Page 80
EN-78 EXPLORER BALANCES To adjust the water temperature, touch the Water Temp button. The balance calculates water density based on the water temperature value entered. Measure the actual water temperature using a precision thermometer. A numeric input window is displayed. Key in the desired temperature, then press Done.
EXPLORER BALANCES EN-79 4.13.2 Begin Pipette Adjustment Process Touch Begin Pipette Adjustment. Follow the screen instructions, to Place container on the pan. Then Press Tare. Step 1 – Dispense the First Sample Follow the screen instructions, then press Accept to store the first sample weight (liquid).
EN-80 EXPLORER BALANCES 4.13.3 Application Setup The Application can be customized for various user preferences. Touch the Setup Icon (wrench) to enter the Application Setup from the home screen. The Setup Menu appears. Select the list item to view or change the setting as desired.
EXPLORER BALANCES EN-81 4.14 Statistical Quality Control (SQC) The Statistical Quality control (SQC) feature is useful during various types of process filling operations, to monitor and/or control the process to eliminate under- and over-filling. As samples are weighed and stored in the balance, a Trend Analysis is developed and can be displayed. Up to 10 batches with up to 80 samples in a batch are visible for quality control purposes.
EN-82 EXPLORER BALANCES Continue to enter the required information following the above procedure: Positive Tolerance 1, via the +Tolerance 1 button. Negative Tolerance 1, via the –Tolerance 1 button. Positive Tolerance 2, via the +Tolerance 2 button. Negative Tolerance 2, via the –Tolerance 2 button. Tolerances can be in either weight (default) or percent –...
Page 85
EXPLORER BALANCES EN-83 To view the process results of this batch (and any other saved batch), press the View Batch History button. The Batch History screen shows the basic information – Maximum, Minimum, Average (mean), and Standard Deviation – for all currently saved batches. Press Select to see (and print) the Batch Information screen for any saved batch.
EN-84 EXPLORER BALANCES 4.14.3 Application Setup The Application can be customized for various user preferences. Touch the Setup Icon (wrench) to enter Application Setup from the home screen. The Setup Menu is now displayed. Select the list item to view or change the setting as desired.
EXPLORER BALANCES EN-85 4.15 Statistics Statistics are used to compare a number of samples and examine the relative deviation of the samples along with other statistical data. A minimum of three samples is required. Statistics can operate manually (key press after each step) or automatically (weights automatically recorded when stable).
EN-86 EXPLORER BALANCES Enter the Record name, then press Note: Library Record names can be 8 characters or less. A Record is saved message appears. Press OK, then… Press Return to Application. 4.16.2 Retrieving a Library Record Load a Library record from the home screen. Press the Library bar in the upper right area of the screen.
EXPLORER BALANCES EN-87 4.17 Additional Features 4.17.1 Weigh Below The Explorer Balance is equipped with a weigh below hook for weighing below the balance. Note: before turning the balance over, remove the Pan, Pan Support, Wind Ring/Shield and Draft Shield elements (if present) to prevent damage.
EN-88 EXPLORER BALANCES MENU SETTINGS Menu Navigation All menu navigation is performed by touching the display. To enter the Menu, touch Menu from any Application Home screen. The Main menu appears, with buttons for Main, Back and Done. Continue touching the appropriate list item to navigate to the Menu items or touch a button to change location.
EXPLORER BALANCES EN-89 Main Menu The Explorer balance Main menu structure is illustrated below. Calibration User Balance Application Weighing GLP and Communication Settings Setup Modes Units GMP Data Library Diagnostics Factory Lockout Information Settings Reset Calibration Explorer Balances offer a choice of six calibration methods: Internal Calibration, AutoCal Calibration, Calibration Adjust, Span Calibration, linearity Calibration, and User Calibration.
EN-90 EXPLORER BALANCES 5.3.4 AutoCal™ Adjustment Use this calibration method to adjust the zero calibration point, without affecting the span or linearity calibration. Calibration Adjust may be used to adjust the result of the Internal calibration by +100 divisions. Note: Before making a calibration adjustment, perform an Internal Calibration. To verify whether an adjustment is needed, place a test mass equal to the span calibration value* on the pan and note the difference (in divisions) between the nominal mass value and the actual Balance reading.
EXPLORER BALANCES EN-91 5.3.6 User Calibration User Calibration is used to calibrate the balance using a user defined mass. With no load on the scale, press User Calibration from the calibration sub-menu. The display shows the current full load (span) calibration point and calibration unit of measure. To change the value to a user-defined weight, touch ENTER VALUE.
EN-92 EXPLORER BALANCES User Settings When using the Balance for the first time, enter this sub-menu to set User-defined values like Language, Display Settings, Volume, Functions Configuration and the Touchless Sensor setup. 5.4.1 User Settings Sub-menu Language Volume Display User Functions Sensor Draft Shield...
EXPLORER BALANCES EN-93 5.4.6 Functions Configuration Touch Functions Configuration to see a table of Selected and Available functions. Press > to move a function from Available to Selected, and press < to move them back. To move all functions to the right, Press >> and press << to move them back.
EN-94 EXPLORER BALANCES Balance Setup Enter this sub-menu to customize Balance display functionality. 5.5.1 Balance Set-up sub-menu Stability Filter Level Auto Zero Auto Tare Indicator Range Tracking Gross Indicator Legal For Trade Graduations Date & Time Factory default settings are shown below in bold. 5.5.2 Stable Range Set the amount the reading can vary while the stability symbol remains on.
EXPLORER BALANCES EN-95 5.5.5 Auto Tare Set the automatic Tare. OFF = disabled. ON = enabled. 5.5.6 Gross Indicator Set the symbol displayed for gross weights. OFF = no symbol is displayed. GROSS = the G symbol is displayed. BRUTTO = the B symbol is displayed. 5.5.7 Legal For Trade Use this menu to set the Legal for Trade status.
EN-96 EXPLORER BALANCES Applications Enter this sub-menu to activate the desired Balance Applications. Only one application can be running at a time. (The use of each Application is described in detail in Section 4.) 5.6.1 Turning an Application ON/OFF Touch line of the desired application.
EXPLORER BALANCES EN-97 5.7.2 Turning a Unit ON/OFF Select the desired unit, then touch the item to toggle it either on or off. The current menu item status is shown. = disabled = enabled 5.7.3 Custom Units Use each Custom Unit to display weight in an alternative unit of measure. The custom unit is defined using a conversion factor, where the conversion factor is the number of custom units per kilogram expressed in scientific notation (Factor x 10^Exponent).
EN-98 EXPLORER BALANCES 5.8 GLP and GMP Data Enter this menu to set the Good laboratory Practices (GLP) data. 5.8.1 GLP Data Sub-menu 5.8.2 Header Enables the printing of GLP headings. There are up to 5 headings available. Alphanumeric settings up to 25 characters are available for each Header setting.
EXPLORER BALANCES EN-99 5.9 Communication Enter this menu to define external communication methods and to set printing parameters. Data may be output to either a printer or PC (See Section 5.9.8 for output samples.) Factory default settings are shown in bold. Note: The COM3 menu is only available if the optional Interface is installed.
EN-100 EXPLORER BALANCES 5.9.4 Handshake Set the flow control method. NONE = no handshaking XON-XOFF = XON/XOFF handshaking HARDWARE = hardware handshaking (COM1 menu only) 5.9.5 Alternate Command Enter this sub-menu to set a different command character for the P (Print), T (Tare) or Z (Zero) commands.
EXPLORER BALANCES EN-101 5.9.7 Auto Print Set the automatic printing functionality. = disabled ON STABLE = printing occurs each time the stability criteria are met. INTERVAL = printing occurs at the defined time interval. CONTINUOUS = printing occurs continuously. When ON STABLE is selected, set the conditions for printing. LOAD = Prints when the displayed load is stable.
Page 104
EN-102 EXPLORER BALANCES Header Application Name Set the status. Set the status. = the user defined header is not printed. = the Application Name is not printed. = the user defined header is printed. = the Application Name is printed. USER DEFINED TEXT Application Name: XXXXXXXXXXXX USER DEFINED TEXT...
EXPLORER BALANCES EN-103 NOTE: The Information is dependent on the application and the ACCUMULATE setting. Examples are shown below. Mode Accumulate set OFF Accumulate set ON None Weighing N: 10 Total: 10.000 kg Avg: 1.000 kg Std: 0.001 kg Min: 0.999 kg Max: 1.001 kg...
EN-104 EXPLORER BALANCES Click the Start Menu in Windows XP system and click “Settings” – >open Control Panel. Double click Accessibility Options in Control Panel. Select the General tab in Accessibility Options. Check Use Serial Keys, and click the Settings button. Select the Serial Port, and set the Baud rate to 9600.
5.12.3 Sensors To verify proper operation of each Touchless Sensor. When operated, each sensor should light and make a sound. 5.12.4 Service Menu Used to enter the Ohaus Service menu (Service personnel only). A password is required to access this menu;...
EN-106 EXPLORER BALANCES 5.13 Factory Reset Use this sub-menu to reset the menus to their Factory default settings. 5.13.1 Factory Reset Sub-menu Calibration User Settings Balance Setup Application Weighing Units Reset Reset Reset Modes Reset Reset GLP and GMP Communication I-O Settings Reset All Data Reset...
EXPLORER BALANCES EN-107 5.14 Lockout Use this menu to prevent unauthorized changes to menu settings. When the menu is locked and the security switch is set to ON, the locked menus can be viewed but not changed. Factory default settings are shown in bold.
EN-108 EXPLORER BALANCES 5.14.8 Lock Communication Set the status. = the Communication menu is not locked. = the Communication menu is locked. 5.14.9 Lock Library Set the status. = the Library menu is not locked. = the Library menu is locked. 5.14.10 Lock I/O Settings Set the status.
EXPLORER BALANCES EN-109 5.16 Information Information is available from any application as well as from the Main Menu. A brief descrtiption of the item selected is displayed. This feature is menu based. 5.16.1 Using Information • Touch the Info Icon to bring up the menu (UPPER RIGHT) •...
EN-110 EXPLORER BALANCES LEGAL FOR TRADE When the balance is used in trade or a legally controlled application it must be set up, verified and sealed in accordance with local weights and measures regulations. It is the responsibility of the purchaser to ensure that all pertinent legal requirements are met.
Cal Test operation, and echo print commands sent to the scale. Printer Connection Two printers compatible with Explorer Balances are available from Ohaus. (See Section 9.) Connect a straight-through serial cable to the scale’s RS232 port, or connect using the scale’s USB port.
EN-112 EXPLORER BALANCES Printout Examples Examples for each Application are shown with all items turned ON in the Print Content menu. The default values for Header lines 1-5 are also shown. Weighing Weighing->Statistics Company Name Company Name Address 1 Address 1 Address 2 Address 2 Address 3...
Page 115
EXPLORER BALANCES EN-113 Parts Counting->Fill Parts Counting->Statistics Company Name Company Name Address 1 Address 1 Address 2 Address 2 Address 3 Address 3 Address 4 Address 4 12/7/2010 3:23 PM 12/7/2010 3:11 PM Balance ID: Balance ID: Balance Name: EXPLORER Balance Name: EXPLORER User Name: User Name:...
Page 116
EN-114 EXPLORER BALANCES Check Weigh->Over Under Check Weigh-> Nom, Wt Tol Company Name Company Name Address 1 Address 1 Address 2 Address 2 Address 3 Address 3 Address 4 Address 4 12/7/2010 3:32 PM 12/7/2010 3:34 PM Balance ID: Balance ID: Balance Name: EXPLORER Balance Name: EXPLORER User Name:...
Page 117
EXPLORER BALANCES EN-115 Dynamic Weighing Dynamic ->Statistics Company Name Company Name Address 1 Address 1 Address 2 Address 2 Address 3 Address 3 Address 4 Address 4 12/7/2010 3:38 PM 12/7/2010 3:41 PM Balance ID: Balance ID: Balance Name: EXPLORER Balance Name: EXPLORER User Name: User Name:...
Page 118
EN-116 EXPLORER BALANCES Totalization Formulation->Recipe Company Name Company Name Address 1 Address 1 Address 2 Address 2 Address 3 Address 3 Address 4 Address 4 12/7/2010 3:46 PM 12/7/2010 3:54 PM Balance ID: Balance ID: Balance Name: EXPLORER Balance Name: EXPLORER User Name: User Name: Project Name:...
Page 119
EXPLORER BALANCES EN-117 Differential Peak Hold Company Name Company Name Address 1 Address 1 Address 2 Address 2 Address 3 Address 3 Address 4 Address 4 12/7/2010 3:57 PM 12/7/2010 4:00 PM Balance ID: Balance ID: Balance Name: EXPLORER Balance Name: EXPLORER User Name: User Name: Project Name:...
Page 120
EN-118 EXPLORER BALANCES Pipette Adjustment Ingredient Costing Company Name Company Name Address 1 Address 1 Address 2 Address 2 Address 3 Address 3 Address 4 Address 4 12/7/2010 4:04 PM 12/7/2010 4:09 PM Balance ID: Balance ID: Balance Name: EXPLORER Balance Name: EXPLORER User Name: User Name:...
Page 121
EXPLORER BALANCES EN-119 Company Name Address 1 Address 2 Address 3 Address 4 12/7/2010 4:14 PM Balance ID: Balance Name: EXPLORER User Name: Project Name: Application: SQC Batch Name: x Samples: 4 Unit : g Nominal Weight: 310.000 g Average: 1.141 g Maximum: 1.834 g Minimum: 0.454 g Standard Deviation: 0.514 g...
United States, call toll-free 1-800-526-0659 between 8:00 AM and 5:00 PM Eastern Standard Time. An Ohaus Product Service Specialist will be available to assist you. Outside the USA, pleas visit our website www.ohaus.com to locate the Ohaus office nearest you.
EN-122 EXPLORER BALANCES TECHNICAL DATA Specifications Ambient conditions • Indoor use only • Altitude: Up to 2000 m • Specified Temperature range: 10°C to 30°C • Humidity: maximum relative humidity 80 % for temperatures up to 31°C decreasing linearly to 50% relative humidity at 40°C •...
Page 125
EXPLORER BALANCES EN-123 TABLE 9-1. SPECIFICATIONS MODEL EX124 EX224 EX324 Capacity 120 g 220 g 320 g Readability d 0.1 mg Repeatability (std. dev.) (g) 0.0001 g Linearity (g) + 0.0002 g Span Calibration Points (g) 50g, 100g 100g, 150g, 200g 150g, 200g, 300g Baht, carat, grain, gram, milligram, mesgal, momme, Newton, ounce, Weighing units...
Page 126
EN-124 EXPLORER BALANCES TABLE 9-2. SPECIFICATIONS (Cont.) MODEL EX223 EX423 EX623 EX1103 Capacity 220 g 420 g 620 g 1100 g Readability d 0.001 g Repeatability (std. dev.) 0.001 g Linearity + 0.002 g 100g, 150g, 200g, 300g, 300g, 400g, Span Calibration Points 500g, 1000g 400g...
Page 127
EXPLORER BALANCES EN-125 TABLE 9-3. SPECIFICATIONS (Cont.) MODEL EX2202 EX4202 EX6202 EX10202 Capacity 2200 g 4200 g 6200 g 10200 g Readability d 0.01 g Repeatability (std. dev.) 0.01 g Linearity + 0.02 g 2000g, 3000g, 3000g, 4000g, 2500g, 5000g, Span Calibration Points 1000g, 2000g 4000g...
Page 128
EN-126 EXPLORER BALANCES TABLE 9-4. SPECIFICATIONS (Cont.) MODEL EX6201 EX10201 Capacity 6200 g 10200 g Readability d 0.1 g Repeatability (std. dev.) 0.1 g Linearity + 0.2 g 3000g, 4000g, 2500g, 5000g, Span Calibration Points 5000g, 6000g 7500g, 10,000g Baht, carat, grain, gram, kilogram, mesgal, momme, Newton, ounce, Weighing units pennyweight, pound, Tael (Hong Kong), Tael, (Singapore), Tael (Taiwan), tical, tola, troy ounce, custom (3)
Page 129
EXPLORER BALANCES EN-127 TABLE 9-5. SPECIFICATIONS (Cont.) MODEL EX224x EX324x EX423x EX1103x 220 g 320 g 420 g 1100 g 0.01 g 0.01 g 0.02 g 0.1 g 0.0001 g 0.0001 g 0.001 g 0.001 g 0.001 g 0.001 g 0.01 g 0.01 g Approval Class...
Page 130
EN-128 EXPLORER BALANCES TABLE 9-6. SPECIFICATIONS (Cont.) MODEL EX4202x EX10202x EX10201x 4200 g 10200 g 10200 g 0.5 g 10 g 0.01 g 0.01 g 0.1 g 0.1 g 0.1 g 0.1 g Approval Class Repeatability (std. dev.) +0.01 g +0.1 g Linearity +0.02 g...
EXPLORER BALANCES EN-129 Drawings and Dimensions Fully assembled dimensions 13.8 in. 350 mm 15.5 in. 9.1 in. 393 mm 230 mm Figure 9-1. Draft Shield models 3.9 in. 98 mm 9.1 in. 15.5 in. 230 mm 393 mm Figure 9-2. Non-Draft Shield models...
EXPLORER BALANCES EN-131 Icons List TABLE 9-9. EXPLORER BALANCE ICONS ICON FUNCTION ICON FUNCTION Standby Calibration Menu User Settings Print Menu Balance Setup Applications Menu Application Modes Sensors Menu Weighing Units AutoCal™ Menu GLP and GMP Main Menu Data Menu Communication More Functions…...
Page 134
EN-132 EXPLORER BALANCES TABLE 9-9. EXPLORER BALANCE ICONS (Continued) ICON FUNCTION ICON FUNCTION AutoCal™ Internal Stability Indicator Range Calibration Automatic Filter Level Calibration AutoCal™ Auto Zero Tracking Adjustment Span Calibration Auto Tare User Calibration Gross Indicator Calibration Test Legal For Trade Language Graduations Volume...
Page 135
EXPLORER BALANCES EN-133 TABLE 9-9. EXPLORER BALANCE ICONS (Continued) ICON FUNCTION ICON FUNCTION Weighing Differential Density Parts Counting Determination Percent Weighing Peak Hold Ingredient Costing Check Weighing Dynamic Weighing Pipette Adjustment Statistical Quality Filling Control Totalization Formulation...
Page 136
EN-134 EXPLORER BALANCES TABLE 9-9. EXPLORER BALANCE ICONS (Continued) ICON FUNCTION ICON FUNCTION Milligram unit Momme unit Gram unit Mesghal unit Hong Kong Tael Kilogram unit unit Carat Singapore Tael unit unit Ounce unit Taiwan Tael unit Ounce Troy unit Tical unit Pound unit Tola unit...
Page 137
EXPLORER BALANCES EN-135 TABLE 9-9. EXPLORER BALANCE ICONS (Continued) ICON FUNCTION ICON FUNCTION Header Calibration Reset User Settings Balance Name Reset Balance Setup User Name Reset Application Modes Project Name Reset Weighing Units RS 232 Standard Reset GLP and GMP USB Standard Data Reset Communication...
Page 138
EN-136 EXPLORER BALANCES TABLE 9-9. EXPLORER BALANCE ICONS (Continued) ICON FUNCTION ICON FUNCTION Calibration Lockout User Settings Lockout Balance Setup Lockout Application Modes Lockout Weighing Units Lockout GLP and GMP Data Lockout Communication Lockout Library Lockout I/O Settings Lockout Factory Reset Lockout...
EXPLORER BALANCES EN-137 Communication 9.5.1 Interface Commands Commands listed in the following table will be acknowledged by the balance. The balance will return “ES” for invalid commands. TABLE 9-10. EXPLORER INTERFACE COMMAND LIST Command Function Characters Immediate Print of displayed weight (stable or unstable). Attention: when LFT ON, IP could only print stable displayed weight.
Page 140
EN-138 EXPLORER BALANCES TABLE 9-10. EXPLORER INTERFACE COMMAND LIST (continued) Command Function Characters Print Serial Number. Print base software version, terminal software version and LFT ON (if LFT is set ON). Set Counting APW (x) in grams. (must have APW stored) Print Counting application APW.
Page 141
EXPLORER BALANCES EN-139 General Notes: Commands sent to the indicator must be terminated by a carriage return-line feed (CRLF). Alternate command characters may be defined by the user. Data output is always terminated with a carriage return-line feed (CRLF). Note 1) There is 40-second timeout control for print under stable requirement. If the unstable condition continues over 40 seconds, balance will respond “ES”.
Pin 8: Request to send (hardware handshake) (RTS) The USB Interface The Ohaus USB Interface is a unique solution to the problem of connecting a balance to a computer using a Universal Serial Bus (USB). USB devices are categorized into classes such as disk drives, digital cameras, printers, etc.
Page 143
EN-141 Balance Setup FOR USB INTERFACE A) The Ohaus Interface is preset to communicate using the following settings: 2400 baud, 7 bit, no parity, no handshake. To use different settings, it will be necessary to change either the balance settings, or the computer settings.
Page 144
EN-142 EXPLORER BALANCES Data sent from the Interface is in standard ASCII format terminated with a [CRLF] (carriage return-line feed). The output format is as follows: [weight] 10 characters (right justified) [space] 1 character [unit] 5 characters max (left justified) [space] 1 character [stability indicator] 1 character...
Page 145
EXPLORER BALANCES EN-143 USB INPUT The balance will respond to various commands sent via the interface adapter. Terminate the following commands when with a [CR] or [CRLF]. Explorer Commands print current mode turn Auto-print off Auto-print on, prints on stability Continuous Auto-print (n)A Auto-print on 1 to 3600 second intervals (n = 1 to 3600)
EN-144 EXPLORER BALANCES SOFTWARE UPDATES Ohaus is continuously improving its balance software. To obtain the latest release, please contact your Authorized Ohaus Dealer or Ohaus Corporation.
Standard This product conforms to the EMC Directive 2004/108/EC, the Low Voltage Directive 2006/95/EC and the Non-automatic Weighing Instruments Directive 2009/23/EC. The complete Declaration of Conformity is available online at www.ohaus.com. AS/NZS CISPR 11, AS/NZS 61000.4.3 CAN/CSA-C22.2 No. 61010-1-04 UL Std. No. 61010-1...
Page 148
Ohaus. In lieu of a properly returned warranty registration card, the warranty period shall begin on the date of shipment to the authorized dealer. No other express or implied warranty is given by Ohaus Corporation. Ohaus Corporation shall not be liable for any consequential damages.
Need help?
Do you have a question about the Explorer EX124 and is the answer not in the manual?
Questions and answers