Rice Lake RL-DBS Instrucciones de funcionamiento

118764 - Rev A

RL-DBS

Digital Baby Scale

Technical & Operating

Instructions

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en Español

Visite ricelake.com/spanish

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RLWS disponibles en Español

Contents

1.0 Introduction.................................................................................................................................. 1

2.0 Assembly Instructions ................................................................................................................. 2

3.0 Scale Setup.................................................................................................................................. 3

4.0 Scale Operation ........................................................................................................................... 4

5.0 Calibration ................................................................................................................................... 5

6.0 Troubleshooting & Testing........................................................................................................... 6

7.0 Maintenance ................................................................................................................................ 7

7.1 Basic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

7.2 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

8.0 Specifications.............................................................................................................................. 7

RL-DBS Digital Baby Scale Limited Warranty ..........................................................................................8

Technical training seminars are available through Rice Lake Weighing Systems.

Course descriptions and dates can be viewed at www.ricelake.com or obtained

by calling 715-234-9171 and asking for the training department

May, 2013

ii Technical and Operating Instructions

Rice Lake continually offers web-based video training on a growing selection

of product-related topics at no cost. Visit www.ricelake.com/webinars.

1.0 Introduction

The RL-DBS Digital Baby Scale provides precise weighing of babies. Highly sophisticated microprocessor

technology allows accurate, reliable, and repeatable weighments every time. Movement compensation

technology eliminates errors caused by spontaneous movement of the baby and the weight display can be

displayed in pounds/ounces or in kilograms.

This manual can be viewed and downloaded from the Rice Lake Weighing Systems web site at

www.ricelake.com/health. Rice Lake Weighing Systems is an ISO 9001 registered company.

Figure 1-1. RL-DBS Digital Baby Scale

With the RL-DBS Digital Baby Scale, there are certain precautions that should be taken to prevent injury to the

baby and damage to your scale. Please follow these instructions carefully;

• Do not transport the scale while the infant is on the weighing tray.

• Do not drop the scale or subject it to violent shocks.

• For accurate weighing, the scale must be placed on a flat, stable surface.

• For accurate weighing, verify proper operation according to the procedure described in this manual

before each use.

• Do not use around flammable liquids.

• Operation at other voltages and frequencies than specified could damage your equipment.

Standard Features

• Convenient LB/KG toggle key

• Large, easy-to-read 1 inch LCD (Liquid Crystal Display)

• Built in measuring tape

• Recall key to view the last weight measurement

• Power: four AA batteries (included), 120V or 230V AC adaptor (included)

• Automatic shut off ensures long battery life.

Internet

2Technical and Operating Instructions

2.0 Assembly Instructions

The RL-DBS Digital Baby Scale comes fully assembled and includes the scale and a 120V or 230V AC adaptor.

To set up the scale:

1. Select a sturdy, flat surface on which to place the scale on.

2. Plug in the 120V or 230V AC adaptor. The AC power adaptor plugs into the back of the indicator as

shown below in Figure 2-1.

Figure 2-1. AC Power Connection Site

The RL-DBS Digital Baby Scale is also capable of running on four (4) AA batteries if no additional power

source is available. If the Lo prompt is showing on the display, replace the battery or connect the scale to an AC

power source as soon as possible for accurate weighing.

Figure 2-2. Low Battery Indicator

AC Power Plug in

Location

Technical and Operating Instructions - Scale Setup 3

3.0 Scale Setup

Figure 3-1. RL-DBS Display

Use the following table to identify what each part of the display does.

Item Description Function

ON/TARE key

On Function:

One short push for On

One push for Off (approx. five seconds)

Tare Function:

One short push to Tare out the scale

This key turns the scale on and off

With weight on the scale, press this key to

tare out the scale and return it to zero.

LB/KG key

One short push

This key selects either pounds/ounces or

kilograms.

RECALL key

When the scale is turned on, use one short

push

This allows the user to recall the last

weighment, ie: you can remove the baby,

press the recall key and see the baby’s

weight again.

Negative or Minus indicator When the scale is on, this display shows a

negative weight reading.

zero ZERO indicator When the scale is on, this display indicates

that the scale is stable and ready for use.

mem Memory indicator

Motion indicator This is displayed when a weight reading is

complete.

It is not displayed while the weight reading is

being calculated.

6-Digit LCD digital display The LCD displays the infant weight in

pounds/ounces or kilograms and shown by

the LB or KG indicator on the right side of

the display.

LB/OZ indicator When the scale is on, this display indicates

that the scale is weighing in pounds/ounces

KG When the scale is on, this display indicates

that the scale is weighing in kilograms

Table 3-1. Front Panel, Showing Annunciators

ON/TARE

LB/KG

RECALL

zero mem

ON/TARE

LB/KG

RECALL

4Technical and Operating Instructions

The RL-DBS Digital Baby Scale is pre-calibrated from the factory.

Use the following steps to set up your RL-DBS Digital Baby Scale when you initially power it up.

1. To operate the unit using the AC adaptor, plug the AC adaptor cable into the back of the scale as shown

in Figure 2-1, and the AC adaptor plug into a power source.

2. Press the ON/TARE key to turn on the scale.

3. When the self test function is complete, the digital display should read: 0:00.00 if set up in Lb/Oz or 0.00

if set up to read in Kg.

4. Place a weight (not exceeding 40 lb) on the scale. The weight calculation is complete once the motion

indicator turns on.

5. Press the LB/KG key to select the weight mode, either in pounds/ounces or kilograms.

6. Remove the weight from the scale. If you want to view the weight that was just on the scale, press the

RECALL key.

If the setup procedure failed, refer to the troubleshooting section of this manual. If the problem is not

resolved, refer to a qualified service provider.

4.0 Scale Operation with Tare

The RL-DBS Digital Baby Scale can accurately weigh babies up to 44 Lb (20 Kg). Use the following steps to

weigh a baby.

1. Press the ON/TARE key to turn the scale on.

2. Wait until the 0:0.0 (if set up in Lb/Oz) appears on the digital display or 0.00 if set up in Kg.

3. Place a pad on the weighing tray. Make sure that the edges of the pad are on the tray and are not touching

the surface on which the scale is positioned. The weight calculation is complete once the motion

indicator turns on ( ).

4. Press the ON/TARE key to tare the weight of the pad or other accessory that is on the weighing tray. The

display should return to zero.

5. Place the infant on the scale. The weight calculation is complete once the motion indicator turns 

on ( ).

If the scale is being used with batteries and is not used for two minutes, it switches off to save battery life

and power. To restart the scale, press the ON/TARE key.

Note

Technical and Operating Instructions - Calibration 5

5.0 Calibration

To perform a calibration, connect the AC adaptor or install four (4) AA batteries and ensure that the scale is

sitting on a level surface.

The scale can be calibrated with either Lb or Kg weights. The unit is defaulted to calibrate with Lb weights so if

you are using LB weighs, proceed to Steps 1-7 (below). If you want to calibrate using Kg weights, perform Steps

A through D first and then proceed on to Steps 1-7.

A. Press and hold the LB/KG and the ON/TARE keys until the scale displays CAL. Release the keys and the

scale now displays the raw A/D counts.

B. Press the RECALL key and the display shows CAL with the LB indicator on. Press the LB/KG key to switch

between LB and KG and the display will now show CAL with the KG indicator on.

C. Press the ON/TARE key until the scale turns off.

D. Proceed to steps 1-7 shown in Table 5-1.

The following chart illustrates the calibration procedure.

Step Display

1To enter the Calibration Mode, press and hold the LB/KG

key and then press the ON/TARE key to turn on the scale.

- CAL -

then the raw A/D counts

2Press the ON/TARE key again. LB: Shows C20 w/ LB indicator symbol on

KG: Shows C10 w/ KG indicator symbol on

3When the scale returns back to zero, load the scale with a

20 LB (10 KG if calibration is set to KG), test weight and

press the ON/TARE key.

LB: Shows C40 w/ LB indicator symbol on

KG: Shows C20 w/ KG indicator symbol on

4When the scale returns back to zero, load the scale with a

40 LB (20 KG if calibration is set for KG), test weight and

press the ON/TARE key to finish the calibration.

- End -

5Unit turns off automatically

6Remove the 40 Lb (20 KG) weight from the scale.

7Press the ON/TARE key to turn on the scale and place a

known weight onto the baby tray to confirm the correct

weight. If not, perform calibration again.

Table 5-1. Calibration Menu

6Technical and Operating Instructions

6.0 Troubleshooting & Testing

Refer to the following instructions to check and correct any failure before consulting service personnel.

Symptom Possible Cause Corrective Action

Scale does not turn on when using just

batteries

Dead batteries Connect the scale to a power source or

change batteries

Scale does not turn on Dead battery Connect the scale to a power source

Faulty electrical outlet Use a different electrical outlet

Bad power supply Replace adaptor

Questionable weight or the scale does

not zero

External object is interfering with the scale Remove the infant/interfering object from

the weighing tray from the scale

Display did not show 0.0 before weighing Remove the infant, zero the scale and

begin the weighing process again

Scale is not placed on a level surface Place the scale on a stable surface and

begin the weighing process again

The weighing tray is not placed properly Place the weighing tray in its proper place

Scale is out of calibration Check the scale with a known weight

value

The display shows o_Ld message The load on the scale exceeds the

capacity

Remove the excess weight and use the

scale according to its stated limit

The display show Err The RECALL key was pressed with

insufficient weight on the scale.

Place more than 2 Lb, 30 Oz on the scale

Table 6-1. Troubleshooting Table

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