Ohaus GraviTek Titration Scale User Manual

GraviTek™ Titration Scale

Instruction Manual

Compliance

Compliance to the following standards is indicated by the corresponding mark on the
product

This product conforms to the EMC directive 2004/108/EC and the Low
Voltage Directive 2006/95/EC. The complete declaration of Conformity is
available from you local dealer

Disposal

I

n conformance with the European Directive 2002/96 EC on Waste
Electrical and Electronic Equipment (WEEE) this device may not be
disposed of in domestic waste. This also applies to countries outside the
EU, per their specific requirements.

Please dispose of this product in accordance with local regulations at the
collecting point specified for electrical and electronic equipment.

If you have any questions, please contact the responsible authority or the
distributor from which you purchased this device.

Should this device be passed on to other parties (for private or professional
use), the content of this regulation must also be related.

Thank you for your contribution to environmental protection.

FCC Note
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.

• Consult the dealer or an experienced radio/TV technician for help

Industry Canada Note
This Class B digital apparatus complies with Canadian ICES-003.

Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada

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GraviTek™ Titration Scale

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1. INTRODUCTION

This manual contains installation, operation and maintenance instructions for the
GraviTek
scale.

TM

Titration Scale. Please read the manual completely before using the

1.1 Safety Precautions

Please follow these safety precautions:

• Verify that the Power Adapter input voltage matches the local power supply
voltage.

• Use the scale only in dry locations.

• Do not operate the scale in hostile environments.

• Do not drop heavy loads on the pan.

• Do not place the scale upside down on the pan.

• Service should be performed only by authori zed personnel.

1.2. LCD Display & Controls

LCD Display Indicators:

Battery Power Indicator

* Stability Indicator Figure 1-1. LCD Display &

Controls

g Gram Indicator

88 Test Type Number

g

PPM Indicator

ppm

TABLE 1-1, CONTROL FUNCTIONS

Button Name Function

• Primary function (Short Press) – If scale is Off, turn On.

On-Zero

Off
Yes

If scale is on, perform Zero/Tare function

• Secondary function (Long Press) – Turn scale Off

• Menu function – (Yes) This key is used to accept the

currently displayed setting

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GraviTek™ Titration Scale

Button Name Function

• Primary function (Short Press) – When in the Test Mode

Accept

Menu

Accepts the displayed value for input.

• Secondary function (Long Press) – Enters the User

Menu.

• Primary function (Short Press) – Send the current

Print

Cal

display value to serial port if installed

• Secondary function (Long Press) – Starts a Span

calibration

• Primary function (Short Press)– Advances to next

available Test Type or Weighing Mode

Mode

Test

No

• Secondary function (Long Press) – Scrolls through the

available Test Types and Weighing Modes.

• Menu function – (No) This key is used to reject the

displayed setting and advance to next available setting

2. INSTALLATION

2.1 Package Contents

• Scale

• Pan

• Draft Shield

• Calibration Weight

2.2. Location

Use the scale on a firm, steady surface. Avoid locations with excessive air currents,
vibrations, heat sources, or rapid temperature changes. Adjust the leveling feet so the
bubble is centered within the smaller circle. See Figure 2.1.

• Power Adapter

• 4 Alkaline Batteries

• USB Module

• USB Driver Mini-CD

Level Bubble

Figure 2-1, Leveling Adjustments

GraviTek™ Titration Scale

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2.3. Transportation Lock, Calibration Lock & Pan Installation

Before using the scale the Transportation Lock must be released. At the bottom of the
scale slide the locking pin to the position. See Figures 2-2.

If the scale is to be calibrated by the user ensure that the Calibration Lock is set to
position. See Figure 2-3.

Install the metal pan over the plastic sub-platform.

Figure 2-2. Release Transportation
Lock

Figure 2-3. Release Calibration Lock

2.4 Connect Power

A Power Adapter may be used to power the scale. Connect the Power Adapter to an
AC power outlet (see Figure 2-4) and insert the power plug at the back of the scale
(see Figure 2-5)

For use only with UL or CSA
Certified (or equivalent approved)
power adapter, which is a Class 2 or a
Limited Power Source device.

Figures 2-4, Power Adapter Figure 2-5, Power Plug

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GraviTek™ Titration Scale

2.5 Battery Installation and Use

The scale may also be powered by batteries. Remove the battery cover and install four
alkaline AA (LR6) type batteries. Refer to Figure 2.6 to properly install the batteries.
Under battery power a battery symbol is shown on the left side of the display. The
Auto-Off setting is useful for conserving battery power, see section 4.2.1.

Figures 2-6, Battery Installation

2.6 Initial Calibration

Power on the scale by pressing On-Zero. Allow at least one minute for the scale to
stabilize before calibrating. Press and hold the Print/Cal button until [CAL] is
displayed. The display flashes [-C-] while zero reading is taken. The display flashes
the required span mass. Place the indicated calibration mass on the pan and press Yes.
The display flashes [-C-]. When calibration is complete, [DonE] is displayed.

Note: Calibration is also available in the Setup menu, see section 4.2.1.