Acculab Vi series User manual

VI-

Series

VIR-

Series

Instruction Manual

for Models:

• VI-1mg • VI-200 • VI-2400

• VI-3mg • VI-350 • VI-4800

• VI-400 • VI-4kg

• VI-600 • VI-6kg

• VI-1200 • VI-10kg

400025.12 Rev. B

Certificate

of Calibration

We hereby certify that this instrument

was manufactured in the United States and that

it has been calibrated using appropriate reference

standards traceable to the

National Institute of Standards and

Technology.

This instrument has been fully

inspected and has passed all quality tests as speci-

fied by

Acculab quality procedures.

To assure proper measurements, it is

necessary to periodically recalibrate the instrument

using appropriate standards

as specified in the operating manual.

Phone: 800-656-4400

267-988-8702

Fax: 800-356-0338

303-940-2250

Sales Office: 67 Buck Road, Suite 131

Huntingdon Valley, PA 19006

www.acculab.com

VI/ VIR-Series Balances

Thank you for purchasing the Acculab VI / VIR-Series Electronic Balance. With proper care and treatment it will

provide years of reliable service.

Please read all operating instructions carefully and be sure to activate your warranty per the instructions listed

under the WARRANTY section of this manual.

BEFORE YOU BEGIN

• Avoid lengthy exposure to extreme heat or cold. Your balance works best when operated within the

temperature limits listed in the specifications. Always allow the unit to acclimate to a stable temperature before

calibration.

• Allow at least 30 minutes of warm up time before starting calibration to give internal components sufficient time

to stabilize.

• Keep your operating environment as clean as possible. Electrostatic fields, gravitational fields, dust, dirt,

moisture, vibration, air currents, and proximity to other electronic equipment can all have an adverse effect on

the reliability and accuracy of your unit.

• Handle with care. Carefully set weighing tray onto top of unit until level. Gently apply all items to be weighed

onto the center of tray top. Although designed to be quite durable, avoid rough treatment as this may

permanently damage the internal sensor.

TABLE OF CONTENTS

SECTION 1: VI-1mg, VI-3mg

• Operation ..................................................................................................... 4

• Calibration ..................................................................................................... 4

• Features ..................................................................................................... 5

• Keypad Functions ....................................................................................... 5

• Error Codes .................................................................................................. 6

• Accessories ............................................................................................... 6

• Specifications ............................................................................................... 7

SECTION 2: VI-200, VI-350, VI-400, VI-600, VI-1200, VI-2400, VI-4800, VI-4kg, VI-6kg, VI-10kg

• Operation ..................................................................................................... 9

• Calibration ..................................................................................................... 9

• Features ..................................................................................................... 10

• Keypad Functions ....................................................................................... 10

• Error Code ................................................................................................... 11

• Accessories ............................................................................................... 12

• Specifications ............................................................................................... 12

SECTION 3: Technical Appendices

• Memory Function ........................................................................................ 13

• RS-232 Operation (VIR Models only) .......................................................... 14

WARRANTY............................................................................................. inside back cover

Model #

VI-1mg

VI-3mg

VIR models include RS-232 interface for computer or

printer capability. Data output control in seven categories

including baud rate, manual or auto print and stability and

ambient condition presets.

Bubble level and leveling feet on all VI/VIR models.

New housing design directs

spills away from the keypad.

Brushed stainless steel weighing surfaces.

Built in lock down bracket (cable

lock sold separately).

Sealed keypad

with raised

buttons for

tactile feel

along with audio

function tone.

Large angled LCD display.

AC adapter and calibration weights

included with all models.

Housing is constructed of

sturdy ABS material with

special structural

cross-bracing

for added rigidity.

SECTION 1

For Models VI-1mg & VI-3mg

page 3

OPERATION

AC Adapter Operation:

1) Power - Use only the AC adapter provided with the unit. Use of another adapter may

damage the balance. This unit does not operate by battery power.

2) Start Up - Plug in provided adapter. Turn the unit on and allow sufficient warm up time

of at least 30 minutes.

3) Set Up - Always set up the unit on a level surface in a clean draft-free area. Place

the stainless steel spill ring base onto the raised lip on the top of the balance. Place the

stainless steel tray top on the center post and GENTLY turn until you feel the tray top

settle onto the pin stand. Place the glass draft shield on the stainless steel spill ring

base and (as needed) place the stainless steel cover on the glass draft shield. For best

results always use the draft shield assembly.

Place components listed below on the balance in the order shown.

(1) Spill Ring

(2) Weighing Tray

(3) Glass Draft Shield Cylinder

(4) Stainless Draft Shield Cover

CALIBRATION

IMPORTANT:

Please follow the calibration procedure described below. Only use the calibration weights provided or OIML

Class F1 weights. Calibration is always recommended when first using the balance or after the unit has been

moved or subjected to an extreme change in temperature. Always perform the calibration procedure AFTER the

unit has been allowed to properly warm up (at least 30 minutes). It is always recommended to recalibrate the

unit periodically during long periods of use and to always start a procedure by taring the unit to re-zero the bal-

ance.

External calibration is performed through the use of the key pad controls and proper calibration weight. Internal

factory calibration is preset and performed by accessing internal components. Access to internal components by

other than a factory authorized technician will void warranty coverage of the unit.

Calibration Procedure:

1) After allowing unit to warm for 30 minutes, remove all items from the tray top and tare the balance. The spill

ring and glass draft shield should be in place without the stainless cover.

2) After observing a stable ZERO with a stable arrow in the (g) gram mode, press and hold the CAL/MODE but-

ton until calibration weight value appears on the display.

3) Gently place the correct calibration weight as provided (or equivalent F1 Class weights) onto the tray top.

4) The + sign will disappear. Wait approximately ten seconds as the unit performs internal calibration.

IMPORTANT - Do not disturb the balance during this time. Avoid vibration and air currents.

5) When calibration is complete the unit will beep, correct calibration weight value will disappear for one second

then reappear as an active weight value. The balance is now calibrated.

6) Remove calibration weight and press the TARE button to reset the zero point. NOTE: If calibration weight

value remains on the LCD display, an improper calibration weight has been used. Remove improper weight and

repeat calibration procedure with correct weight.

Model #

VI-1mg

VI-3mg

(4)

(3)

(2)

(1)

page 4

FEATURES

• Power Up Segment Test: When first turning on the unit, all segments of the LCD

display will appear as shown. This display will remain for approximately three seconds and then reset to zero.

• Stable Reading Indication: A right-facing arrow appears on the right side of the display indicating the

weighing mode in which the unit is operating. This arrow will disappear during weighing while the unit stabilizes,

and then reappear when a stable value is reached.

• Key Tone: Pressing the ON, TARE and CAL/MODE buttons on the front panel will emit a tone indicating

registry of the function. There is no key tone with the OFF keypad.

• Overload: When an applied load exceeds the unit’s capacity, “H” will appear on the display. Remove

excessive load immediately. The unit should return to normal operation.

• Negative Value: Any tared value will be displayed as a negative number once all weight is removed from the

weighing surface. The negative sign will appear and tared value will be displayed.

• Tare: The tare feature is designed to allow the user to reset the balance to zero at any time. Tare can also be

used to eliminate the value of a pan liner, scoop, beaker, etc. from a sample or procedure, when the weighed

material needs to be held in a container and only the net weight of the material is desired. Place the container

only (without material) on the weighing tray, wait for a stable reading and then press tare. The unit returns to

zero and the weight value of the container is permanently removed from the remainder of the procedure. When

all weight is removed from the weighing tray, the tared value of the container will be displayed as a negative

number. Press the TARE key again to return the balance to zero. NOTE: The total weight of the container plus

material cannot exceed the capacity of the balance.

• Lock Down Bracket: A molded piece is attached to the back of the balance housing that can be used on an

optional basis to secure the unit. An optional cable lock can be incorporated and is sold separately as an accessory.

KEYPAD FUNCTIONS

• ON/MEMORY: Press to turn on balance. For Memory function operation refer to page 13 in Section 3.

•OFF: Press to turn off balance.

• CAL/MODE: Press and hold this key to begin calibration procedure as outlined under the CALIBRATION

section. After unit is on or calibrated, briefly pressing the same key will change the weighing mode. When

balance is turned on the unit initially defaults to the gram (g) mode. However, if the mode is changed the

balance will default to the last mode used when turned on again. The following modes may also be selected:

ounces (oz), carats (ct),and penny weight (dwt).

The right facing arrow will point to the weighing mode the unit is currently displaying. To change modes briefly

press the CAL/MODE key to scroll between grams, ounces, carats, and penny weights.

•TARE: Press tare to reset the balance to zero. Tare can be used to eliminate the weight value of a container

from a sample or procedure. The container weight is permanently removed from the remainder of the procedure.

When all weight is removed from the weighing tray, the tared value of a container will be displayed as a negative

number. Press TARE again to return the balance to zero.

▲

▼

8.8.8.8.8.8.

▲▲▲▲

Model #

VI-1mg

VI-3mg

page 5

ERROR CODES

Following is a description of typical error codes that may appear on VI/VIR-Series balances.

1) LThis indicates that the balance is under loaded. Check to see if the weighing

pan is properly installed and seated on the top of the unit.

2) HThis indicates that there may be an excessive weight applied to the weighing pan. It is critical

not to exceed the maximum load capacity by more than 150% or damage to the balance may

occur.

3) E-01 Capacity of LCD digit readout has been exceeded in CT and DWT modes.

4) E-02 Usually detected when the calibration operation is being attempted. It is usually the result of

the balance being exposed to vibrations, air drafts, or unstable environments. The balance

must be placed in a stable environment before calibration occurs. Before pushing the

CAL/MODE button as part of the calibration process, the LCD should display a stable ZERO

with the mode arrow stable on the gram (g) mode.

5) E-10 This will be displayed only if there is a value stored in memory and the tare button is pressed.

Memory must be cleared or the unit turned off in order to restore the normal tare function.

6) E-30 This is an indication that an electronic malfunction has occurred. The unit must be returned to

the factory for evaluation.

7) E-54 This fault will appear on the display when the unit is powered on. This occurs when the

electronics are no longer within the factory set parameters. The most common cause is from

objects being dropped onto the weighing pan or from the balance itself being dropped. The

balance must be returned to Acculab or an authorized service center for electronic evaluation

and repair.

8) ▲(in the upper left corner of display) Following are the most probable causes of this error code.

The balance must be returned to Acculab or an authorized service center for electronic

evaluation and repair.

1. There is something causing the sensor to function out of specification.

2. Rough, improper handling of the balance.

3. Liquids and other materials spilled into the balance.

NOTE: Do not attempt to access internal components or make any unauthorized repairs since this will void the

warranty.

SUPPLIED ACCESSORIES

• AC Adapter (DC 12V):

#AC-1 -For use in USA/Canada (AC 120V 60Hz) #AC-3 -For use in U.K. (AC 240V 50Hz) #AC-5 -For use in AUS/NZ (AC 240V 50Hz)

#AC-2 -For use in Europe (AC 240V 50Hz) #AC-4 -For use in Japan (AC 100V 50/60Hz)

• Calibration Weight:

#VI-1mg - One (1) 100g weight to calibrate balance at 100g OIML Class F1

#VI-3mg - Two (2) 100g weight to calibrate balance at 200g OIML Class F1

• Draft Shield & Spill Ring:

Glass Draft Shield with stainless steel cover

Stainless steel spill ring

OPTIONAL ACCESSORIES

• Cable lock, carry case

Model #

VI-1mg

VI-3mg

page 6

Acculab Model Numbers VI-1mg VI-3mg

CAPACITY 120g / 4.2328oz / 300g / 10.5821oz /

600.005ct / 77.1610dwt 750.000ct / 96.4500dwt

READABIITY (g) 1mg / 0.001g

PRECISION (g) ±2mg / 0.002g ±4mg / 0.004g

WEIGHING MODES g, oz, ct, dwt

TARE RANGE To capacity by subtraction

CALIBRATION Auto calibration from keypad w/included weight

STABILIZATION TIME (sec) 3

MAXIMUM OVERLOAD 150% of capacity

OVERLOAD INDICATION “H” reading on LCD

UNDERLOAD INDICATION “L” reading on LCD

OPERATING TEMPERATURE 50˚ - 86˚F (10˚ - 30˚C)

OPERATING HUMIDITY Less than 80% RH

DISPLAY TYPE LCD / .75” high with segment test

AUDIO TONE At startup and function keys

POWER REQUIREMENTS AC adapter only(included)

PLATFORM SIZE/TYPE 100mm diameter (4”), stainless steel

DIMENSIONS H x W x D 4.75”x5.75”x10.25” (120 x 146 x 260mm)

NET WEIGHT (lb/kg) 4/1.8

DRAFT SHIELD Glass & stainless steel w/ spill ring

SECURITY Built-in lock-down bracket, cable lock sold separately

INCLUDED ACCESSORIES Calibration weight, AC adapter

OPTIONAL ACCESSORIES Cable lock, carry case

Model #

VI-1mg

VI-3mg Specifications

Performance specifications measured within optimum temperature range after recommended warm up and proper calibration.

Specifications subject to change without notice.

page 7

Model #

• VI-200 • VI-2400

• VI-350 • VI-4800

• VI-400 • VI-4kg

• VI-600 • VI-6kg

• VI-1200 • VI-10kg

New housing design directs

spills away from the keypad.

Brushed stainless steel weighing surfaces.

Built in lock down bracket (cable

lock sold separately).

Sealed keypad

with raised

buttons for

tactile feel

along with audio

function tone.

Large angled LCD display.

9V battery operation on many models

for complete portability.

AC adapter included with all models

and calibration weights included with

all models under 1200g.

Housing is constructed of

sturdy ABS material with

special structural

cross-bracing

for added rigidity.

SECTION 2

For Models VI-200, VI-350, VI-400, VI-600, VI-1200,

VI-2400, VI-4800, VI-4kg, VI-6kg, VI-10kg

VIR models include RS-232 interface for computer or

printer capability. Data output control in seven categories

including baud rate, manual or auto print and stability and

ambient condition presets.

Bubble level and

leveling feet only

on VIR models.

page 8

VI-350

VI-2400

OPERATION

AC Adapter Operation:

CAUTION: Use only a 12V Adapter with a negative tip, as provided, to supply AC power. Use of another type of

adapter may permanently damage the unit and will void the warranty.

1) Model # VI-350 will operate on AC 120V or AC 240V, only.

2) Insert the female plug into the receptacle at the rear of the unit, and then into the desired electrical outlet.

Check you use of any extension cord which may affect power output. Unplug AC adapter when not in use for

extended periods.

Battery Operation:

1) Model #’s VI-200, VI-400, VI-600, VI-1200, VI-2400, VI-4800, VI-4kg, VI-6kg, VI-10kg operate on one 9V

Alkaline battery, or AC adapter as provided.

2) To install battery, open battery cover on bottom of balance and connect battery to snap. Place battery into its

compartment and replace the cover. Always handle battery lead wires with care. DO NOT USE EXCESSIVE

FORCE!

3) Remove battery when balance is not used for extended periods. Replace battery when LCD indicates “LO”.

CALIBRATION

**PLEASE NOTE: Calibration weights are NOT supplied with Models VI-1200, VI-2400, VI-4800, VI-4kg, VI-6kg,

or VI-10kg. All balances are factory calibrated and ready to operate. Calibration weights may be purchased

separately from your ACCULAB dealer (see Optional Accessories).

IMPORTANT: The calibration procedure is described below. Only use the calibration weights provided or OIML

Class weights. Calibration is always recommended when first using the balance or after the unit has been

moved or subjected to an extreme change in temperature. Always perform the calibration procedure AFTER the

unit has been allowed to properly warm up (at least 30 minutes). It is also recommended to recalibrate the unit

periodically during long periods of use and to always start a procedure by taring the unit to re-zero the balance.

External calibration is performed through use of the keypad controls and proper calibration weight. Internal fac-

tory calibration is preset and performed by accessing internal components. Access to internal components by

other than a factory authorized technician will void warranty coverage of this unit.

Calibration Procedure:

1) After allowing unit to warm for 30 minutes, remove all items from the tray top and tare the balance.

2) After observing a stable ZERO with a stable arrow in the (g) gram mode, press and hold the CAL/MODE but-

ton until calibration weight value appears on the display.

3) Gently place the correct calibration weight as provided (or equivalent OIML Class weights) onto the tray top.

4) The + sign will disappear. Wait approximately ten seconds as the unit performs internal calibration.

IMPORTANT - Do not disturb the balance during this time. Avoid vibration and air currents.

5) When calibration is complete the unit will beep, correct calibration weight value will disappear for one second

then reappear as an active weight value. The balance is now calibrated.

6) Remove calibration weight and press the TARE button to reset the zero point. NOTE: If calibration weight

value remains on the LCD display, an improper calibration weight has been used. Remove improper weight and

repeat calibration procedure with correct weight.

page 9

Model #

• VI-200 • VI-2400

• VI-350 • VI-4800

• VI-400 • VI-4kg

• VI-600 • VI-6kg

• VI-1200 • VI-10kg

FEATURES

• Power Up Segment Test: When first turning on the unit, all

segments of the LCD display will appear as shown. This display will remain for approximately three seconds

and then reset to zero.