OHAUS ACHIEVER e-A51ST020 Manuel utilisateur

ACHIEVERTM Overhead Stirrer

e-A51ST020

e-A51ST040

e-A51ST060

e-A51ST100

e-A51ST200

User Guide

Please visit www.ohaus.com/support to download user manual.

ACHIEVERTM Overhead Stirrers EN-1

1. General Information

Before using the unit, please read the following instruction manual carefully.

Do not dispose of this equipment as urban waste, in accordance with EEC

directive 2012/19/EC.

This unit must be used for laboratory applications indoor only. The

manufacturer declines all responsibility for any use of the unit that does not

comply with these instructions. If the product is used in a not specified way by

the manufacturer or with not specified accessories, product's safety may be

compromised.

This unit has been designed and manufactured in compliance with the

following standards:

- Safety requirements for electrical equipment for measurement, control

and for laboratory use: IEC/EN 61010-1 IEC/EN 61010-2-051

- Electrical equipment for laboratory use: UL 61010-1

- General requirement - Canadian electrical code: CAN/CSA-C22.2

No.61010-1

The EU Declaration of Conformity is available online at www.ohaus.com/ce.

OHAUS reserves the right to modify the characteristics of its products with the

aim to constantly improving their quality.

1.1. Safety Regulations

The plug disconnects the instrument. Therefore, place the instrument where it

can be quickly disconnected.

The values indicated on the rating plate of the instrument must correspond to

those of the power supply.

Position the instrument on a flat surface, with a distance from the wall of 30 cm

(at least).

Fasten the unit to the support rod (30586771) using the double clamp

(30586773). Secure the receptacle using the ribbon clamp (30586774).

Safe working conditions are ensured only when the accessories described in

the dedicated chapter are used.

The working speed set on the instrument must be such as to avoid wobbling

and/or splashes.

Do not use with explosive or dangerous materials for which the equipment is

not designed. The stirrer must not be used in explosive atmospheres, in bain-

marie or to stir harmful liquids prior using protective measures according to the

safety standards of the processed products and/or in force in the laboratories

including personal protective equipment and the presence of an extraction

hood which ensures at least 10-fold air change in accordance with the

standards EN 14175 and DIN 12924.

It is dangerous to run the unit with the stirring blade turning in free air. Always

place the stirring shaft in the receptacle before turning the unit on.

It is responsibility of the user appropriately decontaminate the instrument in

case of dangerous substances fall on or in it.

EN-2 ACHIEVERTM Overhead Stirrers

It is also responsibility of the user to use safety substances for cleaning or

decontaminating, which do not react with internal parts of the instrument or

with the material contained in it. In case of doubts on the compatibility of a

cleaning solution, contact the manufacturer or local distributor.

The solution may release toxic, dangerous or poisonous gases. Adequate

safety measures must be taken, in accordance with the safety regulations in

force, including the presence of hood and personal protective equipment

(masks, gloves, goggles, etc.).

Switch off the the stirring before opening chuck locking ring. Switch off the

instrument before removing chuck.

1.2. Introduction

The overhead stirrers with electronic speed control, brushless motor, and advanced

safety features are able to satisfy the most difficult laboratory applications in terms

of viscosity and volume. The new chuck ensures higher safety for the operator and

allows to use a passing rod of up to 8.5mm in diameter.

．

7 Segment Display LED

Timer LED (for e-A51ST200) /

Upper lock LED for other models

Torque indicator bar

Timer key (for e-A51ST200) /

Lock key for all models

Low speed LED (only e-A51ST200)

Lower Lock LED

Gear key (only e-A51ST200) /

Timer key for other models

Main switch

High speed LED (only e-A51ST200) /

Timer LED for other models

Keyless chuck

Speed control knob

Figure 1

Figure 2. Frontal view

ACHIEVERTM Overhead Stirrers EN-3

2. Assembly and Installation

2.1 Unpacking

Check the integrity of the unit after unpacking.

The box includes:

e-A51STxxx Digital overhead stirrer

Power supply cable

User Guide

Allen key and allen head screw

Shaft support overhead stirrer

2.2 Installation

Place the unit on non-flammable surface

Fix the shaft support to the instrument with the allen head screw

Fasten the unit to the support rod (30586771) using the double clamp

(30586773).

Secure the receptacle using the ribbon clamp (30586774).

Slide the stirring shaft into the chuck and tight it

Make sure that the rating value of the instrument corresponds to the one of

the power supply

Ensure that the socket provided, with grounding, is compliant with the

current safety norms and easy to reach.

3. Working

Commissioning

Switch on the instrument through the main switch (J)

Display (A) shows software version, last set point value and OFF (if

“Mode” is set on Stop, see chapter 4.

Stirring

Set the operating speed range by clicking Gear key (D) (Only e-

A51ST200).

Adjust speed set point by turning the speed control knob (F).

Click the knob to start stirring.

Speed increases until set point achievement.

A microprocessor ensures constant speed even when the viscosity

changes (counter-reaction).

Switch off the stirring by clicking the knob.

Timer

Click Timer key (D or H). HH:MM appears on display.

Rotate speed control knob (F) to set the desired value. Click to confirm.

Once timer is set, timer LED lights up:

- (G) for e-A51ST200

- (E) for other models

The LED lights continuously until the instrument starts to stir. When the

instrument stirs, the LED flashes.

It’s possible to visualize (or modify) countdown in each moment during

the analysis by clicking timer key.

When countdown finishes, “End” is visualized on the display.

EN-4 ACHIEVERTM Overhead Stirrers

Gear (only for

e-A51ST200)

Set the operating speed range by clicking Gear button (D).

The gear set has its relative LED (C or E) lighted on.

It’s possible to select between two gears:

- Gear 1: Low speed (6 –400 rpm) High torque (till 200 Ncm).

- Gear 2: High speed (30 –2000 rpm) Low torque (till 40 Ncm).

Torque

The torque indicator bar (B), made by four LEDs, shows the intensity of

the torque applied

Lock

Holding the Lock key (H) for 3 seconds it’s possible to lock the control

panel.

Unlock the control panel by holding key H for 3 seconds.

When the instrument is locked,

- LED (I) lights on for e-A51ST200

- LED (G) and (I) light on for other models

4. Menu

Hold the control knob (F) for 3 seconds to enter into the setting mode when stirring

is off. Turning the control knob (F) it is possible to pass from one of the following

parameters to the next one. Click the knob to modify

Parameter

shown on

display

Default value

Range

Description

NOdE

StOP

StOP -run

Set starting mode:

Stop: when the

instrument is switched

on through the main

switch, OFF is displayed.

Run: when the

instrument is switched

on, it restarts to work

with the last set points.

LINt

e-A51ST200

400 (1)

2000 (2)

100 - 400

100 - 2000

Set the maximum value of

speed set point.

e-A51ST100

1300

100 - 1300

e-A51ST060

2000

100 - 2000

e-A51ST040

2000

100 - 2000

e-A51ST020

2000

100 - 2000

COun

Running time in H. If “.” is

showed before the number, the

running time is in Day.

UPGr

To install a new software

version

rSEt

YES -nO

To restore default setting

parameters

CAl

YES -nO

To reset torque zero value

ACHIEVERTM Overhead Stirrers EN-5

5. Keyless Chuck

Keyless chuck (K) allows to fix stirring shaft with one hand.

Open the chuck: From work position (Figure 3), turn Locking Ring 90°to the

left (Figure 4). Pull Locking Ring down (Figure 5).

Close the chuck: Push Locking Ring up (Figure 6) and turn it 90°to the right.

6. Maintenance

6.1 Cleaning

WARNING: Electric Shock Hazard. Disconnect the equipment from

the power supply before cleaning.

Make sure that no liquid enters the interior of the instrument.

Attention: Do not use solvents, chemicals, alcohol, ammonia or

abrasives to clean the housing or control panel.

The housing may be cleaned with a cloth dampened with a mild detergent if

necessary.

6.2 Troubleshooting

The following table lists common problems and possible causes and remedies.

To remove the error message, disconnect the instrument from the power supply.

If the problem persists, contact OHAUS or your authorized dealer.

Error Code

Possible Cause

AL1

Motor doesn’t start stirring

AL2

High internal motor temperature

AL3

Motor overload

AL4

High driver temperature

AL5

Safety relay fault

Figure 3.

Working position

Figure 4.

Intermediate position

Figure 5.

Open position

Figure 6.

Intermediate position

EN-6 ACHIEVERTM Overhead Stirrers

6.3 Service Information

If the troubleshooting section does not resolve or describe your problem, contact

your authorized OHAUS service agent. For service assistance or technical support

in the United States call toll-free 1-800-672-7722 ext. 7852 between 8:00 AM and

5:00 PM EST. An OHAUS product service specialist will be available to provide

assistance Monday through Friday. Outside the United States, please visit our web

site, www.ohaus.com to locate the OHAUS office nearest you.

7. Technical Data

Models

e-A51ST020,

e-A51ST040,

e-A51ST060,

e-A51ST100,

e-A51ST200

e-A51ST020,

e-A51ST040,

e-A51ST060,

e-A51ST100,

e-A51ST200

General

features

Power supply

230 V / 50-60 Hz (+/-10%)

115V / 60 Hz (+/-10%)

Dimensions

(WxHxD)

e-A51ST200

90x315x235 mm

(3.54x12.40x9.25 in)

90x315x235 mm

(3.54x12.40x9.25 in)

Other Models

90x285x235 mm

(3.54x11.22x9.25 in)

90x285x235 mm

(3.54x11.22x9.25 in)

Weight

e-A51ST200

4,6 kg (10,14 lb)

e-A51ST100

4,1 kg (9,04 lb)

Other Models

4,1 kg (9,04 lb)

Power input

190 W

Construction material

(structure)

Aluminum

Working in continuous

Admitted

Settable restart modality

Stop or work

Noisiness

<< 60 dBa

Environmental temperature

admitted

+5…+40 °C

Storage temperature

admitted

-10…+60 °C

Max humidity

80%

Level of electrical protection

CEI EN60529

IP 54

Overvoltage category

Pollution degree CEI

EN61010-1

Max altitude

2000 m

Stir

Stirring

capacity

e-A51ST200

100 l H2O

e-A51ST100

100 l H2O

e-A51ST060

40 l H2O

e-A51ST040

25 l H2O

e-A51ST020

25 l H2O

e-A51ST200

6-400rpm (1) –30-2000rpm

(2)

6-400rpm (1) –30-2000rpm

(2)

ACHIEVERTM Overhead Stirrers EN-7

Programma

ble speed

range

e-A51ST100

30-1300rpm

e-A51ST060

30-2000rpm

e-A51ST040

30-2000rpm

e-A51ST020

30-2000rpm

Motor type

BLDC

Speed selection

1 rpm step

Stirring alarm

Motor fault

Motor rating output

150 W

Torque

Max torque

admitted

e-A51ST200

200 Ncm (1) –40 Ncm (2)

e-A51ST100

100 Ncm

e-A51ST060

60 Ncm

e-A51ST040

40 Ncm

e-A51ST020

20 Ncm

Counters

Motor counter

Working hours

8. Accessories

30586771

Support Stand Universal-H

30586778

Stirrer Shaft 40x0.7 cm,

Folding Blade

30586772

Support Stand Telescopic-H

30586779

Stirrer Shaft 51x0.7 cm,

Paddle 6 Holes

30586773

Double clamp

30586780

Stirrer Shaft 40x0.7 cm,

Propeller

30586774

Ribbon clamp

30586781

Stirrer Shaft 40x0.7 cm,

Turbine

30586775

Stirrer Shaft 40x0.7 cm,

Anchor Blade

30586782

Stirrer Shaft 40x0.7 cm, Turbo

Propeller

30586776

Stirrer Shaft 40x0.7 cm,

Fixed Blade

30586842

Chuck Cover e-A51

30586777

Stirrer Shaft 40x0.7 cm,

Floating Blade

9. Wiring diagram

1. Main switch /

2. Main board /

3. Electric motor /

5. Display board /

EN-8 ACHIEVERTM Overhead Stirrers

FCC Supplier Declaration of Conformity

Unintentional Radiator per 47CFR Part B

Trade Name: OHAUS CORPORATION

Model or Family identification: e-A51…

Party issuing Supplier’s Declaration of Conformity:

Ohaus Instruments (Changzhou) Co., Ltd.

2F, 22 Block, 538 West Hehai Road, Xinbei District, Changzhou

Jiangsu 213022

China

Phone: +86 519 85287270

Responsible Party –U.S. Contact Information:

Ohaus Corporation

7 Campus Drive, Suite 310

Parsippany, NJ 07054

United States

Phone: +1 973 377 9000

Web: www.ohaus.com

FCC Compliance Statement:

Note: This equipment has been tested and found to comply with the limits for a Class

A digital device, pursuant to part 15 of the FCC Rules. These limits are designed to

provide reasonable protection against harmful interference when the equipment is

operated in a commercial environment. This equipment generates, uses, and can

radiate radio frequency energy and, if not installed and used in accordance with the

instruction manual, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause harmful interference

in which case the user will be required to correct the interference at his own expense.

Changes or modifications not expressly approved by the party responsible for

compliance could void the user’s authority to operate the equipment.

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