OHAUS Guardian 5000 Manual de usuario

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Guardian 5000 / 7000

Quick Start Guide

Quick Start Guide Guardian Hotplate-Stirrers

Ohaus Corporation www.ohaus.com EN-iGuardian Hotplate-Stirrers

BASIC FUNCTIONS

Quick Press

Long Press

Press & Hold

Rotate

(.05 sec)

(.3 sec)

(1.5 sec)

/

I/O –Standby

Switch

Turn unit on

(Press switch)

Turn unit off

(Press switch)

Temp Knob

Functions

Change temp settings

(Rotate temp knob)

/

Turn heater on

(Long press temp knob until unit

beeps & green light appears)

Change temperature settings,

while heating

(Rotate temp knob, the setting

will blink, then quick press knob)

/

(If setting is idle for 6 sec, setting

will return to prior value)

Turn heater off

(Long press temp knob until unit

beeps & green light fades)

Enter settings menu

[heater & stirrer must be off]

(Press & hold temp knob until

“MENU” appears)

Speed Knob

Functions

Change speed settings

(Rotate speed knob)

/

Turn stirrer on

(Long press speed knob until

unit beeps & green light

appears)

Change speed settings, while

stirring

(Rotate speed knob, the setting

will blink, then quick press knob)

/

(If setting is idle for 6 sec, setting

will return to prior value)

Turn stirrer off

(Long press speed knob until

unit beeps & green light fades)

Enter timer settings - Guardian

7000 only

[heater & stirrer must be off]

(Press & hold speed knob until

“HH:MM” appears)



Guardian Hotplate-Stirrers Quick Start Guide

Guardian Hotplate-Stirrers EN-ii Ohaus Corporation www.ohaus.com

MENU (Not applicable for Stirrers [e-G51ST07C])

To access the settings menu, the heater and stirrer must be off. Then press and

hold the Temp/Menu knob until “MENU” appears on the screen. (The heater will not

turn on unless the knob is released before “MENU” appears.)

To navigate the settings menu, rotate the knob then quick press the knob to choose

the selection. Once in the selection, rotate the knob to change the setting and quick

press the knob to confirm.

To return to the top level of the settings menu, rotate the knob to “BACK” then quick

press the knob. To return to the main operating screen from the top level of the

settings menu, rotate the knob to “EXIT” then quick press the knob.

To exit the menu at any time, flip the standby switch off and back on. The unit will

return to the main operating screen and will be ready for normal use.

Menu Features:

1. “TLIM” - SmartHeat™ (Guardian 7000 units only)

SmartHeat™ allows the user to change the maximum temperature limit of the

heater.

2. “PROG” – Programs (Guardian 7000 units only)

The Programs menu allows the user to load, store, delete, and run a series of

heater and stirrer functions from a programmable text file on a USB storage

device.

3. “RAMP” – SmartRate™ (Guardian 7000 units only)

SmartRate™ allows the user to change the rate at which the heater and/or

stirrer increases temperature or speed respectively.

4. “SAFE” – SmartPresence™ & SmartLink™ (Guardian 7000 units only)

SmartPresence™ is an optional safety feature designed to automatically turn

the heater off if the unit is unattended for a user-selected time limit.

SmartLink™ is an optional safety feature designed to automatically turn the

heater off if the user travels out of range of the unit for a user-selected time

limit.

Note: SmartLink™ requires the optional Ohaus Wireless Dongle accessory.

5. “CAL” – Single Point Calibration

Single Point Calibration (SPC) improves the accuracy of the heater at user-

selected temperature points. SPC can be used during plate-controlled and

probe-controlled heating.

6. “SYS” – System Settings

i. Enabling / Disabling the Beeper

ii. Changing the Timer Start Setting (Guardian 7000 units only)

iii. Changing the Power Recovery Setting

iv. Resetting to Factory Default Settings

Quick Start Guide Guardian Hotplate-Stirrers

Ohaus Corporation www.ohaus.com EN-iii Guardian Hotplate-Stirrers

DISPLAY (Guardian 7000)

DISPLAY (Guardian 5000)

DISPLAY (Guardian 5000 Hotplate 7 x 7)

DISPLAY (Guardian 5000 Stirrer 7 x 7)

Guardian Hotplate-Stirrers Quick Start Guide

Guardian Hotplate-Stirrers EN-iv Ohaus Corporation www.ohaus.com

L. Heater Indicator Bar: Illuminates when the heater is ≥ 40°C.

M. Heater Temperature: Switches to external probe temperature when the probe

is plugged in and Z is illuminated.

N. Heater Indicator: Illuminates when heater is running

O. Heat Setting

P. Stir Speed

Q. Stirrer Indicator: Illuminates when stirrer is running

R. Speed Setting

S. Temperature Priority Icon

T. Timer: Hours : Minutes / Minutes : Seconds

U. Program Icon: Illuminates when a program is running.

V. SmartPresence™ Icon

W. Bluetooth®Icon: Illuminates when SmartLink™ is enabled.

X. Hot Top Caution Indicator: Illuminates when the heater is ≥ 40°C.

Y. Single Point Calibration Icon

Z. External Probe Icon

AA. SmartHeat™ Icon

BB. SmartRate™ Heater Icons:

•Turtle –slower ramp rate (more precise)

•Rabbit –faster ramp rate

CC. SmartRate™ Stirrer Icons:

•Turtle –slower ramp rate (more precise)

•Rabbit –faster ramp rate

DD. Heat Setting Indicator: Switches Heater Temperature to Heat Setting when

illuminated.

EE. Speed Setting Indicator: Illuminates until stirrer reaches the Speed Setting.

SAFETY INFORMATION

Safety notes are marked with signal words and warning symbols. These show

safety issues and warnings. Ignoring the safety notes may lead to personal injury,

damage to the instrument, malfunctions and false results.

WARNING

For a hazardous situation with medium risk, possibly resulting

in severe injuries or death if not avoided.

CAUTION

For a hazardous situation with low risk, resulting in damage to

the device or the property or in loss of data, or minor or

medium injuries if not avoided.

ATTENTION

For important information about the product. May lead to

equipment damage if not avoided.

NOTE

For useful information about the product.

Quick Start Guide Guardian Hotplate-Stirrers

Ohaus Corporation www.ohaus.com EN-vGuardian Hotplate-Stirrers

Warning Symbols

General Caution, hot Electrical

Hazard surface shock hazard

SAFETY PRECAUTIONS

WARNING: DO NOT use the Hotplate-Stirrer in explosive atmospheres

or with materials that could cause a hazardous environment from

processing. Keep in mind the material flash point relative to the target

temperature that has been set. Also, the user should be aware that the

protection provided by the equipment may be impaired if used with

accessories not provided by the manufacturer.

Always operate unit on a level surface for best performance and

maximum safety.

DO NOT lift unit by the top plate.

CAUTION! To avoid electrical shock, completely cut off power to the

unit by disconnecting the power cord from the wall outlet. Disconnect

unit from the power supply prior to maintenance and servicing.

Spills should be removed promptly after the unit has cooled down.

DO NOT immerse the unit for cleaning. Alkalis spills, hydrofluoric acid

or phosphoric acid spills may damage the unit and lead to thermal

failure.

CAUTION! The top plate can reach 500°C.

DO NOT touch the heated surface. Use caution at all times. Keep the

unit away from explosive vapors and clear of papers, drapery, and

other flammable materials. Keep the power cord away from the heater

plate.

CAUTION! The rear panel of the 10x10-120V unit runs hot to the

touch. Avoid contact during operation. Allow unit to cool before

touching the rear panel.

DO NOT operate the unit at high temperatures without a vessel/sample

on the top plate.

DO NOT operate the unit if it shows sign of electrical or mechanical

damage.

WARNING! Units are NOT explosion proof. Use caution when heating

volatile materials.

Earth Ground –Protective Conductor Terminal. Protective earthing of

the equipment is achieved via connection of the provided power cord to

a compatible grounded power outlet.

Alternating Current

Guardian Hotplate-Stirrers Quick Start Guide

Guardian Hotplate-Stirrers EN-vi Ohaus Corporation www.ohaus.com

COMPLIANCE

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

the product.

Mark

Standard

OHAUS Corporation declares that the Guardian series hotplates,

stirrers, and hotplate-stirrers comply with directives 2011/65/EU,

(EU) 2015/863, 2014/30/EU, 2014/35/EU, and standards EN 50581,

EN 61010-2-010, EN 61010-2-051, EN 61326-1. The full text of the

EU declaration of conformity is available at the following internet

address: www.ohaus.com/ce.

This product complies with directive 2012/19/EU. Please dispose of

this product in accordance with local regulations at the collecting

point specified for electrical and electronic equipment.

For disposal instructions in Europe, refer to www.ohaus.com/weee.

EN 61326-1

CAN/CSA C22 261010-1, CAN/CSA C22 261010-2-010, CAN/CSA

C22 261010-2-051

UL 61010-1, UL 61010-2-010, UL 61010-2-051

Global Notice

Warning: This is a Class A product. In a domestic environment this product may

cause radio interference in which case the user may be required to take adequate

measures.

Canada Notice

This Class A digital apparatus complies with Canadian ICES-003.

FCC Notice

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 Ohaus Corporation could void

the user’s authority to operate the equipment.

Quick Start Guide Guardian Hotplate-Stirrers

Ohaus Corporation www.ohaus.com EN-vii Guardian Hotplate-Stirrers

TROUBLESHOOTING

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

the problem persists, contact OHAUS or your authorized dealer.

Error*

Cause of Error

How to Fix

Unit fails to

power on

Missing or blown fuse

Add or replace fuse as necessary.

Plate RTD open

Not fixable by user, please contact

Ohaus.

Plate RTD short

Not fixable by user, please contact

Ohaus.

No stirring motion /

cannot reach speed

Not fixable by user, please contact

Ohaus.

Probe RTD open

(Removing the probe

while the unit is

heating)

Switch unit to standby, then return

to normal operating mode.

Probe RTD short

(Malfunctioning probe)

Switch unit to standby, remove the

probe from the unit, then return to

normal operating mode.

A/D lock error

Not fixable by user, please contact

Ohaus.

User Probe Error

(Plugging the probe into

the unit while it is

heating)

Switch unit to standby, then return

to normal operating mode.

Plate over temperature

Not fixable by user, please contact

Ohaus.

Plate under

temperature

Not fixable by user, please contact

Ohaus.

E10

Triac fault

Not fixable by user, please contact

Ohaus.

*Note: Error code instances will stop equipment operation by default.

INSTRUCTION MANUAL

For the full instruction manual, please scan the QR code or click the links below:

You can also visit http://www.ohaus.com/support to download user manual.

Guardian 5000

Instruction Manual

Guardian 7000

Instruction Manual

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