Hanna Instruments HI 9271 Manual de usuario

Instruction Manual

HI 9171 – HI 9174

HI 9181 – HI 9184

HI 9271 – HI 9274

Portable Microprocessor

Printing and Logging

Thermometers

Foodcare

PRT

PAPER

ALT

TIME

TEMP

LOG

PRINTING

ANDLOGGING

THERMOMETER

Foodcare

210

http://www.hannainst.com These Instruments are in

Compliance with the CE Directives

Dear Customer,

Thank you for choosing a Hanna Product.

Please read this instruction manual carefully before using the instru-

ment. This manual will provide you with the necessary information for

a correct use of the instrument, as well as a precise idea of its

versatility. If you need more technical information, do not hesitate to

e-mail us at [email protected].

These instruments are in compliance with directives

EN 50081-1 and 50082-1.

ISO 9000 Certified

Company since 1992

PRELIMINARY EXAMINATION......................................................... 3

GENERAL DESCRIPTION ................................................................ 3

LCD DISPLAY FUNCTIONAL DESCRIPTION ....................................... 4

FUNCTIONAL DESCRIPTION HI 9171 & HI 9174............................ 5

FUNCTIONAL DESCRIPTION HI 9181 & HI 9184............................6

FUNCTIONAL DESCRIPTION HI 9271C/F & HI 9274C/F .................. 7

SPECIFICATIONS HI 9271 & HI 9274 ........................................... 8

OPERATIONAL GUIDE ................................................................... 9

PRINTING/RECORDING WITH HI 9171 & HI 9174 .......................15

PRINTING/RECORDING WITH HI 9271 & HI 9274 .......................18

PRINTING/LOGGING WITH HI 9181 & HI 9184 ........................... 20

DATA TRANSFER TO PC............................................................... 30

SELF-DIAGNOSTIC FUNCTIONS .................................................... 31

MEMORY ORGANIZATION ............................................................ 31

PRINTER MAINTENANCE ............................................................. 32

BATTERY REPLACEMENT.............................................................. 34

CALIBRATION ............................................................................. 35

TEMPERATURE PROBES .............................................................. 36

UN-HOUSED NTC SENSORS ........................................................ 38

ACCESSORIES ............................................................................40

WARRANTY ................................................................................ 41

CE DECLARATION OF CONFORMITY .............................................. 43

TABLE OF CONTENTS

Remove the instrument from the packing material and examine it

carefully to make sure that no damage has occurred during shipping.

If there is any damage, notify your Dealer or the nearest Hanna

Customer Service Center.

Each Printing Thermometer is supplied with:

• Paper Rolls (5 pcs)

• 1.5V x AA size Batteries (4 pcs)

• Rugged Carrying Case

Note: Save all packing material until you are sure that the instru-

ment functions correctly. All defective items must be returned

in its original packaging together with the supplied accesso-

ries.

PRELIMINARY EXAMINATION

These Hanna portable thermometers with built-in printers are micro-

processor-based to accurately measure temperature and record data.

The instrument housing is made of rugged and lightweight material,

specifically designed for the food industry.

Measurements can be performed with lab-grade precision in the field

without compromising accuracy. A 12VDC adapter can also be used to

power the unit for prolonged use.

Common features include: use of precalibrated and completely inter-

changeable probes, user-selectable printing/logging intervals, printing

on plain paper, automatic shut-off capability, low battery warning,

clock and calendar (HI 9171, HI 9174, HI 9181 and HI 9184),

memorization of logged values (HI 9181 and HI 9184), all opera-

tions password protected (HI 9171, HI 9174, HI 9181 and HI 9184)

and 2 year warranty.

HI 9181 and HI 9184 have a memory capacity of 16,000 individual

temperature readings with selectable recording intervals. Using the

HI 9200 infrared transmitter, all the recorded data can be fed to a PC

for reproduction, storage or elaboration without having to connect and

disconnect cables and cords.

GENERAL DESCRIPTION

Different versions are divided into:

HI 9171, HI 9174, HI 9181, HI 9184, HI 9271C and HI 9274C

measuring in degrees Celsius, and HI 9271F and HI 9274F for

Fahrenheit measurements.

LCD DISPLAY

FUNCTIONAL DESCRIPTION

LOG INTV LO BAT

TIME

DATE

°C

1. Primary Display

2. Secondary Display

FUNCTIONAL DESCRIPTION

HI 9171 & HI 9174

°C

PRT

PAPER

ALT

TIME

TIME TEMP

TEMP RUN

RUN

PRINTING

THERMOMETER

PRINTING

THERMOMETER

Foodcare

HI 9171 HI 9174

1. Temperature Probe Connector(s)

2. Socket for External 12VDC Power Supply

3. Liquid Crystal Display

4. PAPER (to move paper up)

5. PRT (to obtain printout of current date, time and temperature)

6. ALT (alternate function key)

7. TEMP (to read temperature and to reactivate meter when in

standby mode)

8. (to scan data or to set date, time and printing interval, or

to select channel # for HI 9174 only)

9. (to scan data or to set date, time and printing interval, or

to select channel # for HI 9174 only)

10. TIME (to display time and printing interval)

11. RUN (to enter and exit recording mode)

1. Temperature Probe Connector(s)

2. Socket for External 12VDC Power Supply

3. Liquid Crystal Display

4. PAPER (to move the paper up)

5. PRT (to obtain printout of current date, time and temperature)

6. ALT (alternate function key)

7. TEMP (to read temperature and to reactivate meter when in

standby mode)

8. (to scan data or to set date, time and printing interval, or

to select channel # for HI 9174 only)

9. (to scan data or to set date, time and printing interval, or

to select channel # for HI 9174 only)

10. TIME (to display time and printing interval)

11. LOG (to enter and exit the logging and printing mode)

FUNCTIONAL DESCRIPTION

HI 9181 & HI 9184

°C

PRT

PAPER

ALT

TIME

TIME TEMP

TEMP LOG

LOG

PRINTING

AND LOGGING

THERMOMETER

PRINTING

AND LOGGING

THERMOMETER

Foodcare

HI 9181 HI 9184

1. Temperature Probe Connector(s)

2. Socket for External 12VDC Power Supply

3. Liquid Crystal Display

4. PAPER (to move paper up)

5. ON/OFF (to switch meter on/off or to reactivate meter when

in standby mode)

6. INTV (to select printing interval)

7. 0.1/1 (to select resolution)

8. UP (to set printing interval or to select channel # for

HI 9274 only)

9. DOWN (to set printing interval or to select channel # for

HI 9274 only)

10. PRINT (to obtain printout of sample # and temperature)

11. LOG (to enter and exit recording mode)

FUNCTIONAL DESCRIPTION

HI 9271C/F & HI 9274C/F

instrum nts

°C

instrum nts

°C

ON/OFF

PAPER

INTV UP

DOWN

0.1/1 LOG

PRINTING

THERMOMETER

-50°C .....+150.0°C

PRINTING

THERMOMETER

-50°C .....+150.0°C

Foodcare

ON/OFF

PAPER

INTV UP

DOWN

0.1/1 LOG

Foodcare

HI 9271C HI 9274C

SPECIFICATIONS

HI 9171 – HI 9174 HI 9271F

HI 9271C – HI 9274C HI 9274F

HI 9181 – HI 9184

Range -50.0 to 150.0°C -55.0 to 300.0°F

Resolution 0.1°C / 1°C 0.1°F / 1°F

Accuracy ±0.4°C ±0.8°F

(@ 20°C/68°F) for one year, excluding probe error

Typical EMC Deviation ±0.4°C ±0.8°F

Power Supply 4x1.5V AA size, max. 500 hours with 60' printing

interval. Socket for 12VDC adapter

Auto Shut-off After 5 minutes of non-use

Channels 1 for HI 9171, HI 9271, HI 9181 and

4 for HI 9174, HI 9274, HI 9184

Printer Low-power impact belt type, 14 characters per line

using 38 mm plain paper

Printing/Logging 1, 2, 5, 10, 15, 30, 60, 120 and 180 minutes

Intervals

Environment 0 to 50 °C (32 to 122°F)

Max. 95% RH non-condensing

Dimensions 220 x 82 x 66 mm (8.7 x 3.2 x 2.6")

Shipping Weight 1.4 kg (3.1 lb.)

INITIAL PREPARATION

Each meter is supplied complete with batteries. Remove the back

cover, unwrap the batteries and install them while paying attention to

the polarity (see also page 34).

To switch HI 9171, HI 9174, HI 9181 and HI 9184 on, press TEMP.

To switch HI 9271 and HI 9274 on, press ON/OFF.

If the meter does not switch on check the batteries.

PROBE CONNECTION

Choose the most appropriate temperature probe(s) for your applica-

tion (see page 36) and connect it (them) to the probe connector(s)

located on the top of the instrument. All the probes have been

precalibrated at the factory and no calibration is needed.

HI 9171, HI 9181 and HI 9271 take a single probe while HI 9174,

HI 9184 and HI 9274 can take up to four probes.

With the meter facing you, channel #1 is the first connector on the

top left corner.

If neither a temperature probe nor a calibration test plug is connected

to the instrument, the meter will display "°C ----" to alert the user.

This could also indicate that probe cable is damaged. "CH" and the

channel number are displayed together (HI 9174, HI 9184, HI 9274

only).

TEMP

ON/OFF

°C

OPERATIONAL GUIDE

Note: To ensure accuracy, it is recommended that the temperature

probes be connected to consecutive channels beginning with

channel #1. For example, if only one probe is to be used,

connect it to channel #1. If 2, 3 or 4 probes are used, connect

them to channels 1, 2, 3, and 4 in ascending order.

AUTO SHUT-OFF

To maximize battery life the display is auto-

matically switched off after 5 minutes of

non-use. However, the meter will continue to

monitor the temperature if in recording/log-

ging mode.

To revive the display, press any key (except ALT with HI 9171,

HI 9174, HI 9271 and HI 9274).

SETTING DATE, TIME, PRINTING OR LOGGING

INTERVAL (FOR HI 9171, HI 9174, HI 9181

& HI 9184 ONLY)

Turn the instrument on by pressing the TEMP

key.

Press ALT and TIME simultaneously. These instruments have a pass-

word security feature. The default password is 0000. When the meter

is used for the first time, it allows time and date to be set until a

password is entered. If a password has been entered (see page 12)

"----" appears on display and one can only proceed after digiting the

password. Otherwise the display will show the date setting with the

year blinking (shown as the last 2 digits of the year i.e. 95 = 1995).

Use or to select the year.

TEMP

ALT TIME

DATE

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