Adam Equipment AQT Series Manual de usuario

Adam Equipment

AQT SERIES

(P.N. 4328, Rev. B3, January 2008)

CONTENTS

1.0 INTRODUCTION............................................................................................................2

2.0 SPECIFICATIONS.........................................................................................................3

3.0 SAFETY PRECAUTIONS ..............................................................................................4

4.0 PARTS DESCRIPTION..................................................................................................5

5.0 PREPARATION .............................................................................................................6

5.1 SETTING UP THE BALANCE....................................................................................6

5.2 INSTALLING BATTERIES AND POWER...................................................................6

6.0 WEIGHING ....................................................................................................................7

6.1 BEFORE WEIGHING.................................................................................................7

6.2 WEIGHING PROCEDURES.......................................................................................7

7.0 SETTING OF FUNCTIONS............................................................................................8

7.1 ENTER FUNCTION SETTING MODE........................................................................8

7.2 SELECTION OF AUTO SHUT OFF MODE................................................................8

7.2 SELECTION OF AUTO BACKLIGHT MODE .............................................................8

7.3 UNITS SELECTION (FOR AQT 200 ONLY) ..............................................................9

8.0 CALIBRATION.............................................................................................................10

8.1 AUTO CALIBRATION (FOR AQT 200 ONLY)..........................................................10

9.0 ERROR MESSAGES...................................................................................................11

10.0 REPLACEMENT PARTS AND ACCESSORIES.............................................................12

11.0 SERVICE INFORMATION..............................................................................................12

1.0 INTRODUCTION

The AQT series includes an economical range of balances tailored for

varied weighing applications. The main features are as follows.

•Runs using battery or AC Adapter supplied as standard

•Auto power off to save the battery

•Low battery indicator

•Net weight/stability indication

•Auto zero tracking

•Various weighing units available

•Integral security bracket

•Spirit level for balancing

•Large LCD (6 digits 15 mm high)

•Auto backlight

•Draft shield as standard on all models

•Large stainless steel weighing pan

•Auto calibration using the keypad

2.0 SPECIFICATIONS

Model # AQT-200 AQT- 250 AQT-600 AQT-1500 AQT-2600 AQT-2000 AQT-5000

Maximum

Capacity 200g 250g 600g 1500g

2600g 2000g 5000g

Readability 0.01g 0.1g 0.1g 0.1g 0.1g 1g 1g

Resolution 1:20,000 1:2500 1:6000 1:15,000 1:26000 1:2000 1:5000

Repeatability

(Std Dev) 0.02g 0.1g 0.1g 0.2g

0.2g 1g 1g

Linearity ± 0.02g 0.1g 0.1g 0.2g 0.2g 1g 1g

Units of

Measure g/ct./ oz/

dwt/ tLT/

tLS/ tLH g / ct. / oz. / dwt kg / g / lb /oz

Stabilisation

Time 3 seconds 2 seconds 3 seconds 2 seconds

Operating

Temperature 0ºC to 40ºC

32ºF to 104ºF

Power

Supply 12VAC @ 150mA adapter or 6x AA batteries

Calibration Push button calibration using external mass

Calibration

Mass 200g 250g 600g 1500g 2000g 2000g 5000g

Display 6 digit LCD, 15mm digits, with backlight

Draught

shield

(w x d x h)

180 x 158 x 82mm

(7.1" x 6.2" x 3.2")

Balance

Housing ABS Plastic

Pan Size 130mm diameter (5.1” diameter)

Overall

Dimensions

(w x d x h)

195 x 240 x 70mm

(7.7" x 9.4" x 2.8")

without breeze shield

Net Weight 1.2 kg. (2.6 lb)

Features Low battery, Stable and Zero indications

3.0 SAFETY PRECAUTIONS

All safety messages are identified by the following words "WARNING" and

"CAUTION". These words mean the following:

WARNING Important information to alert you to a

situation that might cause serious

injury and damage to your property if

instructions are not followed.

CAUTION Important information that tells how to

prevent damage to equipment.

When using the balance, following safety precautions should always be followed

WARNING

Use the AC adapter designed by the manufacturer for the balance. Other

adapters may cause damage to the balance.

CAUTION

•Avoid installing the balance in direct sunlight- this may cause poor

performance or malfunctions.

•Do not mix different type of batteries. Replace all the batteries at the

same time.

•If the balance is not to be used for a long period of time, remove all

batteries from the battery compartment to avoid leakage which may

cause damage to the instrument.

•Avoid overloading or dropping material onto the platform as that

could damage the balance.

•Do not spill liquids on the balance as it is not water-resistant. Liquids

may damage the case and if it gets inside the balance it may cause

damage to the electronics.

•Material that has a static electric charge could influence the

weighing. Discharge the static electricity of the samples, if possible.

Another solution to the problem is to wipe both sides of the pan and

the top of the case with an anti-static agent.

4.0 PARTS DESCRIPTION

BEHIND

AC adapter socket

TOP

Stainless Steel pan

Platform

LCD display

[On/Off] key

Turns the balance power

on/off

[Unit] key

Changes weighing units. Also

used when calibrating

[Tare] key

Sets display to zero or tares

the balance

BOTTOM

Battery compartment

Battery compartment cover

Batteries are not included

DISPLAY

ZERO indicator

Indicates when the balance

zero is correct.

STABLE indicator

Indicates when the reading is

stable.

Weighing units

Low battery indicator

5.0 PREPARATION

5.1 SETTING UP THE BALANCE

CAUTION

•Avoid installing the balance in direct sunlight that may cause poor

performance or malfunctions.

•Place the balance on a firm weighing table so that the balance is

levelled. The balance will not perform accurately when it is not

levelled.

•Level by adjusting the feet to centre the bubble in the spirit level.

•Remove the shipping protection screw and round cover as shown

below using the Allen key supplied in the box. (It is advisable to keep

the shipping protection screw and the round cover along with the

packing box for using during shipping to another location in future).

Shipping protection screw

Round cover around the screw

•Place the platform (comes separately packed) in the receptacles on

the top cover. Place the stainless steel pan. (See the diagram on

page 5).

•Do not press with excessive force as it could damage the load cell

inside.

•Place the balance on a firm and flat surface for accurate weighing.

5.2 INSTALLING BATTERIES AND POWER

Remove the battery compartment cover and insert six batteries (R6P/LR6

/AA size) into the battery compartment. Take extreme care in placing the

positive and negative polarities correctly.

Alternately, plug in the AC adapter into the socket at the rear of the

balance. The AC input requirement could be 100, 120, 220, 230 or 240

Volts (50/60Hz) depending on the location where it is used. Verify the

adapter is correc

6.0 WEIGHING

6.1 BEFORE WEIGHING

Be aware of the Automatic power-off function. If the Automatic power-off

function is active it will turn the balance off after 2 minutes of inactivity.

6.2 WEIGHING PROCEDURES

•Press [On/Off] to turn on the balance.

When power is turned on, all display segments appear on LCD for a

few seconds and finally on the display "0.00" will appear along with

the last selected units.

•Select the weighing unit with [Unit].

Press [Unit] to select a weighing unit, eg. "g" / "ct" / "oz" or "dwt" .

Once the unit has been selected, the weight will be displayed in the

selected unit and a symbol for the weight will be shown.

•Start weighing

•If you do not use a container for weighing

Verify the reading is "0.00". If not, press [Tare] to display "0.00".

Place the objects on the weighing pan to weigh.

When the reading becomes stable, the stable indicator is displayed.

•If you use a container for weighing

Place an empty container on the pan.

Wait for the stability indicator to be displayed and press [Tare].

Place the objects to be weighed in the container.

When the reading becomes stable, the stable indicator is displayed.

Only the net weight is displayed.

7.0 SETTING OF FUNCTIONS

7.1 ENTER FUNCTION SETTING MODE

•Press [On/Off] to turn the power off.

•Press [Tare] first, then press [On/Off], while keeping [Tare]

pressed. The display will show "A-On" or "A-OFF".

7.2 SELECTION OF AUTO SHUT OFF MODE

•When the display shows "A-On" or "A-OFF" press [Unit] to select auto

shut off setting mode.

•Press [Tare] to choose "On" or "OFF" mode,

"A-On" means auto shut off function is active.

"A-OFF" means this function is inactive.

•Turn off the power and then turn it on again to enter the normal

weighing mode. The delay time will be about 2 minutes.

7.2 SELECTION OF AUTO BACKLIGHT MODE

•Next press [Unit] to enter the backlight setting mode. The display

will show "L-On" or "L-OFF".

•Press [Tare] to choose "On" or "OFF" mode,

"L-On" means auto backlight function is active.

"L-OFF" means this function is inactive, i.e. backlight is shut off.

•Turn off the power and then turn it on again to enter the normal

weighing mode.

7.3 UNITS SELECTION (FOR AQT 200 ONLY)

•Next press [Unit] to enter the units selection mode, the display will

show "On ct".

•Press [Tare] to select On or OFF.

On means this weighing unit is enabled,

OFFmeans this unit is disabled.

•Press [Unit] to go to the next weighing unit. The following weighing

units can be selected in sequence.

ct – oz – dwt – tL.H – tL.S – tL.T (Note: g is always activated)

•Turn the balance off and back to on again to return to normal

operation.

NOTE: It is recommended that the balance is used in a location with

sufficient light so that the backlight function can be turned off to

maximise the battery life.

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