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Sartorius LA Reference Series User Manual

Sartorius LA Reference Series
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Sartorius LA Reference Series Specifications

General IconGeneral
ModelLA Reference Series
Readability0.1 mg
Linearity±0.2 mg
DisplayLCD, backlit
Power Supply50/60 Hz
CalibrationInternal calibration options
InterfaceRS232
Operating Humidity15% to 80% (non-condensing)

Summary

Intended Use

Safety Precautions

Operating Design

Getting Started

Setting up the Balance

Leveling the Balance

Compensate for unevenness and achieve horizontal positioning for consistent reproducibility.

Setting the Language

Choose from 5 languages for the information display.

Setting the Date and Time

Procedure for entering the current date and time according to local clock.

Configuration

Setting the Language

Choose from 5 languages for the information display.

Example: Setting the Language to “U.S. Mode”

Step-by-step guide to setting the language to "U.S. Mode" via menu options.

Navigating in the Setup Menu

Setting the Balance Functions (BAL.FUNC.)

Setting the Device Parameters (DEVICE)

Entering or Changing a Password

Extra Functions

Device Parameters (Overview)

Setup – Device parameters

Interfaces

Set parameters for serial interface port and external switch function.

Display

Configure display contrast, background, backlighting, and digit size.

Keys

Assign functions to keys, manage CF function, and block key functions.

Setting the Application Parameters (Application)

Application Parameters (Overview)

Application 1 (Basic settings)

Overview of basic settings for Application 1, including weight units and display accuracy.

Setup – Application 1

Counting

Determine the number of pieces of approximately equal weight.

Percent weighing

Obtain weight readouts in percent proportional to a reference weight.

Animal weighing (averaging)

Determine weights of unstable samples or under unstable ambient conditions.

Recalculation*

Recalculation function for weight values.

Operation

Basic Weighing Function

The basic weighing function is always accessible and can be used alone or in combination with an application program.

Below-Balance Weighing

A port for a below-balance weighing hanger is located on the bottom of the balance.

Soft Key Functions

Lists the functions assigned to soft keys like Cal, isoCAL, S ID.

Device Parameters

Password

Enter a password to block access to the operating menu and functions.

User ID

Enter your own personal password (20 characters max.).

Clock

Set date and time stamp for ISO/GLP/GMP printouts.

Interface

Set parameters for serial interface port and external switch function.

Display

Keys

Assign different functions to keys for input and application deletion.

Extra Functions

Configure acoustic signal and power-on mode.

MP8 Interface Emulation

Connect peripheral devices of MP8 generation via interface emulation.

Calibration/Adjustment

Selecting the Calibration/Adjustment Parameter

In the selection mode: Perform external calibration followed by automatic adjustment with the factory-set weight

Perform external calibration with factory-defined weight and automatic adjustment.

Internal Calibration/Adjustment

Calibration and Adjustment Sequence

Configure balance for automatic or manual adjustment after calibration.

External Calibration/Adjustment* with a User-Defined Calibration Weight

Define the Calibration Weight

Specify the calibration weight for external calibration/adjustment.

isoCAL:

Automatic Calibration and Adjustment

Balance automatically calibrates and adjusts based on temperature or time intervals.

Automatic Calibration and Adjustment at Set Times*

Enter up to three times of day for automatic calibration/adjustment.

Application Programs

Soft Key Functions

Lists functions for Start, Weigh, and other application-specific keys.

Using Verified Balances as Legal Measuring Instruments in the EU*

Note on using application programs on verified balances for legal metrology.

Auto-Start Application When the Power Goes On

Configure the balance to start the last active application automatically.

Toggle between Two Weight Units ( )

Toggle wt. units

Switch display between two weight units by pressing a soft key.

Weight unit 1

Select the primary unit of weight from a list.

Weight unit 2

Select the secondary unit of weight from a list.

Counting

Soft Key Functions

Lists soft key functions like nRef, wRef, Count, Weigh, Start.

Reference Sample Updating

Update average piece weight during counting if AWP update is manual or automatic.

Weighing in Percent

Soft Key Functions

Lists soft key functions like pRef, Wxx%, Perc, Restart, Weigh, Start.

Equations

Formulas used for calculations in weighing in percent.

Animal Weighing

Soft Key Functions

Lists soft key functions for New, Manual start, mDef, Mul, xNet, xRes.

Printout for Animal Weighing

Options to print results automatically after averaging.

Calculation

Soft Key Functions

Lists soft key functions for equation input, operators, and calculation.

Decimal places in calculated result

Define the number of decimal places for the calculated result.

Density Determination

Soft Key Assignments

Lists soft key assignments for Wa, Wfl, Wr, Start, Param, Densit, Weigh, Vol.

Equations Used to Determine Density:

Formulas used for density calculation via Buoyancy, Displacement, and Pycnometer methods.

Differential Weighing

Differential Weighing: Defining the Weighing Sequence

Choose from four sequences for measuring tare, initial, and backweights.

Soft Key Functions

Lists soft key functions for Create lot, Select lot, Save initial weight, etc.

Direct Selection of Lot/Sample/Value

Enter numbers to change lot/sample or access display pages.

Checkweighing

Soft Key Functions

Lists soft key functions like Param, Show, LLHH, Diff, Net.

Response of Control Lines During Checkweighing

Diagrams showing control line responses based on weighing results.

Time-Controlled Functions

Soft Key Functions

Lists soft key functions like Stop, Quit, Interv, Set.

Print Net Values without Printout of Time

Configure printout settings to exclude time from net value prints.

Totalizing

Soft Key Functions

Lists soft key functions like M+, M-, MR, nDef, Nom.

Printout for Totalizing

Details on how transaction or component counters are printed.

Formulation

Soft Key Functions

Lists soft key functions like M+, M-, MR, nDef, Nom.

Printout of Formulation Report

Information on what is included in the formulation report printout.

Statistics

Soft Key Functions

Lists soft key functions like M+, M-, MR, nDef.

Second Tare Memory (Preset Tare)

Soft Key Functions

Lists soft key functions PT1/T1 for storing tare values.

Printout of the Data in the 2nd Tare Memory

Shows the printout format for data stored in the 2nd tare memory.

Second Tare Memory in Legal Metrology

Note on entering and printing tare values in legal metrology.

Individual Identification Codes (ID)

Soft Key Functions

Lists soft key functions ID and Delete.

Product Data Memory

Soft Key Functions

Lists soft key functions ProDat, Delete, Load, Change, Store, Yes, No, New.

SQmin Function

SQmin

Display the required minimum sample quantity based on quality assurance requirements.

DKD Uncertainty of Measurement

DKD Uncertainty of Measurement

Display and print DKD uncertainty of measurement values.

Combining Applications

Data Output Functions

Output to the Display and Control Unit

Information displayed on the balance, application, and sample weighed.

Line for Metrological Data

Displays balance capacity, minimum capacity, verification interval, and readability.

Plus/Minus Sign, Stability Symbol

Shows busy symbol, plus/minus sign, or zero symbol.

Measured Value Line

Application Symbols

Symbols for Applications 1, 2, 3, print job, and ISO/GLP.

Text Line

Contains explanatory text about the application or error codes.

Soft Key Labels

Texts indicating function assigned to each key and parameter settings.

Printouts

Weight ID:

Configure an extra line for identification of weighed or calculated values.

Print application parameters:

Generate a printout of initialization values before measured results.

ISO/GLP-compliant printout:

Print parameters related to weighing conditions for ISO/GLP compliance.

Print animal weights:

Automatic printout of animal weights or weights plus calculated averages.

Line Format (Data Output Format)

Error codes and messages

Care and Maintenance

Service

Information on regular servicing by Sartorius technician for extended service life.

Repairs

Note that repair work must be performed by trained service technicians.

Cleaning

Instructions for cleaning the balance, including stainless steel surfaces.

Recycling

Overview

General View of the Balances

Illustrates and labels components of the LA310S and similar balance models.

Standard Models

General Specifications

Provides general specifications for AC power, frequency, temperature, and power consumption.

Specifications of the Individual Models:

Details specifications like readability, capacity, and repeatability for specific models.

Models Verified by the Manufacturer, with EC Type Approval

General Specifications

Provides general specifications for AC power, frequency, temperature, and power consumption.

Specifications of the Individual Models:

Details specifications like accuracy class, scale interval, and capacity for specific models.

Accessories (Options)

Declarations of Conformity

The C Mark on Sartorius Equipment

Explains the C mark and Sartorius' compliance with EC directives and standards.

Council Directive 89/336/EEC “Electromagnetic compatibility (EMC)”

Details EMC requirements and references to EN 61326-1.

Declaration of Type Conformity to Directive No. 90/384/EEC

Plates and Markings

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