Hanna Instruments HI 300N Manual de usuario

www.hannainst.com

Instruction Manual

HI 300N - HI310N

HI301N - HI311N

HI302N - HI312N

HI303N - HI304N

HI322N - HI324N

Magnetic Stirrers

The Hanna series of magnetic stirrers are

designed with simplicity of use for stirring

and mixing solutions in a wide range of labo-

ratory applications. Several models are avail-

able in an extensive range covering:

• general purpose stirrers

• dual-speed range

• auto-reverse cycle stirring

• rpm indication

• timer control

All models employ a motorized magnet to

rotate a stirring bar to create a forced vortex

rotational flow in the solution with a constant

angular speed which is adjustable with an

external speed knob.

Unlike conventional stirrers, all Hanna stirrers

use the concept of pulse-driven drive to give

the full power required to effectively stir the

fluid regardless of the speed.

This eliminates the need to start the motor at

high speed and the user is now able to

control the speed precisely.

Dear Customer,

Thank you for choosing a Hanna product.

Please read this instruction manual carefully before

using the meter. If you need additional technical infor-

mation, do not hesitate to e-mail us at

[email protected].

These meters are in compliance with directives.

TABLE OF CONTENTS

Preliminary Examination................................... 3

General Description ......................................... 3

Application Guide .............................................. 5

Electrical Connections...................................... 6

Accessories....................................................... 6

Functional Description & Specifications.......... 7

HI 300N & HI 310N ........................................ 8

HI 301N & HI 311N ...................................... 10

HI 302N & HI312N ....................................... 12

HI 303N ......................................................... 14

HI 304N ......................................................... 16

HI 322N & HI 324N ...................................... 18

Operational Guide for

HI 300N & HI 310N ...................................... 20

HI 301N, HI 303N & HI 311N ...................... 22

HI 302N, HI 304N & HI 312N ...................... 24

HI 322N & HI 324N ......................................... 26

PRELIMINARY EXAMINATION

Remove the instrument from the packing ma-

terial and examine it to make sure that no

damage has occurred during shipping. If there

is any damage, notify your Dealer.

Each stirrer is supplied complete with a mag-

netic stir bar.

Note: Save all packing material until you are

sure that the instrument functions cor-

rectly. All defective items must be re-

turned in the original packing with the

supplied accessories.

GENERAL DESCRIPTION

WARRANTY

All Hanna Instruments products are warranted for two years

againstdefectsin workmanshipandmaterialswhenused fortheir

intended purpose and maintained according to the instructions.

Damages due to accidents, misuse, tampering or lack of pre-

scribedmaintenancearenot covered. Thiswarrantyislimited to

repairorreplacement free ofcharge.If service isrequired,contact

the dealer from whom you purchased the instrument. If under

warranty, report the model number, date of purchase, serial

numberandthenature of thefailure.Ifthe repair isnotcoveredby

the warranty, you will be notified of the charge for repair or

replacement.If the instrument is to be returned toHanna Instru-

ments, obtain a Return Goods Authorization from the Customer

ServiceDepartmentfirstandthensenditwithshipment costprepaid.

Whenshippingany instrument, makesureit is properlypackaged

forcompleteprotection.

APPLICATION GUIDE

APPLICATION MODEL

Newtonian fluids HI 300N

up to 2.5 liters HI 301N

HI 302N

HI 304N

Non-Newtonian fluids HI 310N

up to 5 liters whose HI 311N

viscosity changes HI 312N

during stirring or

Newtonian fluids up

to 5 liters or mixing

operation where load

changes during stirring

Repetitive stirring in HI 303N

Newtonian fluids up

to 2.5 liters

Repetitive stirring in HI 304N

multiple samples with

the same stirring speed

Routine stirring HI 322N

application with a

predetermined stirring time

Repetitive stirring in HI 324N

multiple samples with

the same stirring speed

and predetermined

stirring time

Each stirrer is equipped with an opto-sensor

for speed monitoring, and a speed limiter

circuit that prevents hazardous operation when

the load is suddenly removed.

The power required to effectively stir a fluid is

affected by the torque load on the stirrer

which is dependent on the capacity, type and

viscosity of the fluid. The speed of the stirrer

decreases as the torque load increases and

vice versa, unless the power delivered changes

accordingly.

For Newtonian fluids like water, the viscosity

remains constant during stirring. General pur-

pose, normal stirrers are ideal for this kind of

fluids.

For some fluids like oil and clay, the viscos-

ity changes during the stirring process, mak-

ing it necessary to adjust the power to main-

tain a constant speed during the stirring.

Hanna Auto-Speed stirrers (HI 31X series)

are designed with automatic feedback control

to maintain constant speed when the torque

load changes and are therefore ideal for stir-

ring non-Newtonian fluids where the viscosity

changes during stirring.

They are also ideal for mixing applications

where one solution is added to another which

changes the capacity and thereby the torque

load on the stirrer.

The Auto-Speed stirrers maintain a constant

stirring speed during the mixing up to the full

capacity of 5 liters. They can also be used

with Newtonian fluids up to a capacity of

5liters.

Hanna Instruments reserves the right to

modify the design, construction and appear-

ance of its products without advance notice.

See the following pages for specifications of

each model.

The capacity is referred to stirring water with

a viscosity of 0.001 N·s/m2at 25ºC.

Specifications for all models

Speed ON/OFF and continuously

Control variable with potentiometer

knob

Drive Direct drive D.C. Motor with

magnet

Power 4 W

Consumption

Torque 85 g·cm

Delivered

Power 115 or 230 Vac, 50/60 Hz

Supply depending on models

Fuse 400 mA/250 V; 20x5 mm

Stirring Bar Teflon®coated,

L 50 x dia 7 mm

FUNCTIONAL DESCRIPTION

AND SPECIFICATIONS

1. ON/OFFswitchforpowersupply

2. Fuse holderfor 400 mA/250 Vfuse

3. ACpowercord.

Unplug the stirrers from the power sup-

ply before replacing the fuse.

ELECTRICAL CONNECTIONS

ACCESSORIES

HI 731320 Magnetic stir bar (10 pcs)

Recommendations for Users

Before using these products, make sure that they are entirely suitable for the

environment in which they are used.

Operation of these instruments in residential area could cause unacceptable

interferences to radio and TV equipments, requiring the operator to take all necessary

steps to correct interferences.

Any variation introduced by the user to the supplied equipment may degrade the

instruments' EMC performance.

Unplug the stirrers from the power supply before replacing the fuse.

To avoid damages or burns, do not place these stirrers in microwave ovens.

HI300N HI310N

Maximum 2.5 Liters 5 Liters

Stirring (0.66gallons) (1.3gallons)

Capacity

SpeedRange

Min 100rpm

Max 800to1000rpm

Auto-Speed notapplicable standard

PowerSupply

HI 300N-1 110/115 Vac, 50/60 Hz

HI 300N-2 220/240 Vac, 50/60 Hz

HI 310N-1 110/115 Vac, 50/60 Hz

HI 310N-2 220/240 Vac, 50/60 Hz

Installation II

Category

Cover AISI 316 stainless steel

Material

Environment 0 to 50ºC (32 to 122ºF);

RH max 95%

Dimensions 180 x 180 x 70 mm

(7.1 x 7.1 x 2.8")

Weight 1.4 kg (3.1 lb.)

HI 300N & HI 310N

GENERAL PURPOSE STIRRERS

These general purpose stirrers are suitable

for daily stirring applications in the labora-

tory.

HI 300N normal stirrer and HI 310N autospeed

stirrer are covered with a corrosion resistant

stainless steel top.

1. Power indicator (LED lights up when the

stirrer is powered)

2. ON/OFF/SPEED knob, to turn the stirrer

ON and OFF, and set the stirring speed

(continuously variable up to the maximum)

MAGNETIC STIRRER

HI 300N

POWER

SPEED

OFF MAX

HI 310 AUTOSPEED

MAGNETIC STIRRER

POWER

SPEED

OFF MAX

HI301N HI311N

Maximum 2.5 Liters 5 Liters

Stirring (0.66gallons) (1.3gallons)

Capacity

SpeedRange

Low 100to 500 rpm

High 100to800/1000rpm

Auto-Speed notapplicable standard

PowerSupply

HI 301N-1 110/115 Vac, 50/60 Hz

HI 301N-2 220/240 Vac, 50/60 Hz

HI 311N-1 110/115 Vac, 50/60 Hz

HI 311N-2 220/240 Vac, 50/60 Hz

Installation II

Category

Cover AISI 316 stainless steel

Material

Environment 0 to 50ºC (32 to 122ºF);

RH max 95% RH

Dimensions 180 x 180 x 70 mm

(7.1 x 7.1 x 2.8")

Weight 1.4 kg (3.1 lb.)

HI 301N & HI 311N

TWO-SPEED STIRRERS

HI 301N normal stirrer and HI 311N autospeed

stirrer, are ideal for long duration stirring which

require slow speed and accurate speed con-

trol (for example in electrolysis applications).

The selectable HIGH/LOW range allows to

set the speed precisely.

1. Power indicator (LED lights up when the

stirrer is powered)

2. ON/OFF/SPEED knob, to turn the stirrer

ON and OFF, and set the stirring speed

(continuously variable up to the maximum)

3. HIGH/LOW switch (for selecting low or

high speed range)

MAGNETIC STIRRER

HI 301N

POWER

SPEED

OFF MAX

HIGH

LOW

HI 311 AUTOSPEED

MAGNETIC STIRRER

POWER

SPEED

OFF MAX

HIGH

LOW

HI302N HI312N

Maximum 2.5 Liters 5 Liters

Stirring (0.66gallons) (1.3gallons)

Capacity

SpeedRange

Min. 100rpm

Max. 800to1000rpm

Reverse from30seconds

Interval to 3 minutes

Auto-Speed notapplicable standard

PowerSupply

HI 302N-1 110/115 Vac, 50/60 Hz

HI 302N-2 220/240 Vac, 50/60 Hz

HI 312N-1 110/115 Vac, 50/60 Hz

HI 312N-2 220/240 Vac, 50/60 Hz

Installation II

Category

Cover AISI 316 stainless steel

Material

Environment 0 to 50ºC (32 to 122ºF)

95% RH max.

Dimensions 180 x 180 x 70 mm

(7.1 x 7.1 x 2.8")

Weight 1.4 kg (3.1 lb.)

HI 302N & HI 312N

AUTO-REVERSE STIRRERS

HI 302N normal stirrer and HI 312N autospeed

stirrer allow to stir the fluid in both directions

and are ideal for powder mixing applications

to ensure a homogeneous final product and

complete dissolution of hard-to-wet powders.

The reverse stirring period is adjustable from

30 seconds to 3 minutes. When set to

1 minute, the fluid will rotate in one direction

for minute and then reverse its rotation for

another minute at the desired speed in a

repeated cycle until the stirrer is switched off.

1. Power indicator (LED lights up when the

stirrer is powered)

2. ON/OFF/SPEED knob, to turn the stirrer

ON and OFF, and set the stirring speed

(continuously variable up to the maximum)

3. REVERSE PERIOD knob with the ON/

OFF and continuously variable selection

of inversion cycle time in minutes, from

0.5 to 3 minutes

MAGNETIC STIRRER

HI 302N

POWER

SPEED REVERSE

PERIOD

OFF

OFF MAX

0.5’

3’

132

HI 312 AUTOSPEED

MAGNETIC STIRRER

POWER

SPEED REVERSE

PERIOD

OFF

OFF MAX

0.5’

3’

132

HI303N

Maximum 2.5 Liters

Stirring (0.66gallons)

Capacity

SpeedRange

Low 100to 500 rpm

High 100to1000rpm

Tachometer 4-digitLCD

PowerSupply

HI 303N-1 110/115 Vac, 50/60 Hz

HI 303N-2 220/240 Vac, 50/60 Hz

Installation II

Category

Cover AISI 316 Stainless Steel

Material

Environment 0 to 50ºC (32 to 122ºF);

RH max 95%

Dimensions 180 x 180 x 70 mm

(7.1 x 7.1 x 2.8")

Weight 1.4 kg (3.1 lb.)

HI 303N

TWO-SPEED STIRRER WITH TACHO-

METER

HI 303N stirrer incorporates an LCD tachom-

eter.

This model allows precise stirring repeatabil-

ity by using two separate ranges. In each

range, the speed can be fine tuned for exact-

ing accuracy.

1. rpm LCD displays the rpm speed

2. Power indicator (LED lights up when the

stirrer is powered)

3. ON/OFF/SPEED knob, to turn the stirrer

ON and OFF, and set the stirring speed

(continuously variable up to the maximum)

4. HIGH/LOW switch (for selecting low speed

range or high speed range)

MAGNETIC STIRRER

HI 303N

SPEED IN RPM

POWER

SPEED

OFF MAX

HIGH

LOW

HI304N

Maximum 2.5 Liters

Stirring (0.66gallons)

Capacity

SpeedRange

Min. 100rpm

Max. 800to1000rpm

Tachometer 4-digitLCD

PowerSupply

HI 304N-1 110/115 Vac, 50/60 Hz

HI 304N-2 220/240 Vac, 50/60 Hz

Installation II

Category

Cover AISI 316 stainless steel

Material

Environment 0 to 50ºC (32 to 122ºF);

RH max 95%

Dimensions 180 x 180 x 70 mm

(7.1 x 7.1 x 2.8")

Weight 1.4 kg (3.1 lb.)

HI 322N & HI 324N

TIMER-CONTROLLED STIRRERS

HI 322N and HI 324N are autospeed stirrers

equipped with timer control to start and auto-

matically stop the stirring process after an

user-selectable period (from 5 minutes to

2 hours). They are the ideal stirrers for routine

applications where the required stirring time is

known, and for non-Newtonian fluids whose vis-

cosities change during stirring or Newtonian fluids

up to 5 liters capacity.

1. rpm LCD displays the rpm speed

2. Power indicator (LED lights up when the

stirrer is powered)

3. TIME knob for setting the stirring time

from 5 minutes to 2 hours

4. SPEED knob, to turn the stirrer ON and

OFF, and set the stirring speed (continu-

ously variable up to the maximum)

5. START/RESET switch for starting and re-

setting the time control

HI 324 TIMER CONTROL

MAGNETIC STIRRER

POWER

rpm

TIME SPEED

5 min

OFF

2 hr

1.5 hr

0.5 hr

1 hr1 hr

MAX

2431 5

START

RESET

HI 322 TIMER CONTROL

MAGNETIC STIRRER

POWER

TIME SPEED

5 min

OFF

2 hr

1.5 hr

0.5 hr

1 hr

MAX

132 4

START

RESET

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