Specifications

Introduction

About This Manual

The QB Series precision balance is an advanced precision weighing instrument incorporating a

highly-sophisticated electronic tuning fork sensor assembly capable of providing quick, reliable, and stable

weight measurement. This manual is intended to give users guidelines and speciﬁcations to ensure proper use

and care of the device.

1.0 Introduction

The QB Series balance contains several features to provide optimum performance.

Standard features include:

•Twelve program-selectable units of measure, including: grams (g), kilograms (kg), pounds (lb), carats,

decimal oz, troy ounces, pennyweights, grain, Hong Kong tael, Sin tael, Taiwanese tael, or momme

NOTE: Display shows

to indicate unit of measure other than g, kg, or lb.

• Three independent operating modes (straight weighing, piece counting, and over/under checkweighing)

•Virtual immunity from external vibrations

•No warm-up time

•Ultra-fast response time

•Built-in automatic zero tracking

•Die-cast aluminum housing to resist corrosion and EMI

• Liquid crystal display (LCD) – 0.5" (12.5mm)

• Standard 115 VAC adapter (230 VAC adapter optional)

•Automatic shut-off (used with battery operation only)

• Front panel controls

•Automatic sleep mode (when used with internal rechargeable battery pack only)

• Large weighing platform

Options include:

•Glass breeze break (for nominal capacities of 620g and below)

•RS-232C for interfacing with a printer or other peripheral equipment

• Internal rechargeable battery (operates for 32 hours on one charge)

NOTE: There are many AC adapters available in the marketplace. If you should need to replace the AC adapter provided

with this unit, we recommend that you choose the RLWS AC adapter PN 42566 for 115 VAC or PN 42168 for 230 VAC

use. Use of any other AC adapter can void the warranty.

1.1 Unpacking and Inspection

Each QB Series balance comes with the following components (see Figure 1-1 on page 2).

•AC adapter

•Weighing platform (round or rectangle, model dependent)

•Weighing platform support (size is model dependent)

Be sure all components have come with your QB Series balance.

NOTE: Store the packing material and box in a safe, easily accessible place. Should you ever need to transport the

balance across any substantial distance, using the original packing material is the ﬁrst step to protecting your

investment.