Hanna Instruments HI 9271 User Manual

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Instruction Manual

HI 9171 – HI 9174 HI 9181 – HI 9184 HI 9271 – HI 9274

Foodcare

Portable Microprocessor

Printing and Logging

Thermometers

Foodcare

PRT

PAPER

ALT

TEMP

TIME

http://www.hannainst.com

RINTIN

ING

ERM

ETER

LOG

Compliance with the CE Directives

These Instruments are in

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 tech@hannainst.com.

These instruments are in compliance with directives EN 50081-1 and 50082-1.

TABLE OF CONTENTS

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

ISO 9000 Certified Company since 1992

PRELIMINARY EXAMINATION

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 accessories.

GENERAL DESCRIPTION

These Hanna portable thermometers with built-in printers are microprocessor-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 interchangeable 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.

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

°C

LOG INTV

1. Primary Display

2. Secondary Display

DATE TIME

LO BAT

FUNCTIONAL DESCRIPTION

HI 9171 & HI 9174

PAPER

TIME

THERMOMETER

HI 9174

443

PRINTING

RUN

°C

Foodcare

PRT

ALT

TEMP

°C

Foodcare

PRINTING

THERMOMETER

PAPER

HI 9171

RUN

TIME

TEMP

PRT

ALT

556

221

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)

FUNCTIONAL DESCRIPTION

HI 9181 & HI 9184

°C

Foodcare

PRT

ALT

TEMP

°C

Foodcare

PRINTING

AND LOGGING

THERMOMETER

PAPER

HI 9181

LOG

TIME

TEMP

PRT

ALT

556

221

PRINTING AND LOGGING THERMOMETER

PAPER

HI 9184

LOG

TIME

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 9271C/F & HI 9274C/F

instrum nts

PAPER

PRINTING

THERMOMETER

HI 9274C

-50°C .....+150.0°C

DOWN

instrum nts

PAPER

PRINTING

THERMOMETER

HI 9271C

-50°C .....+150.0°C

DOWN

°C

Foodcare

ON/OFF

INTV

0.1/1 LOG

°C

Foodcare

ON/OFF

INTV

0.1/1 LOG

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)

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

Auto Shut-off After 5 minutes of non-use Channels 1 for HI 9171, HI 9271, HI 9181 and

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

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

Environment 0 to 50 °C (32 to 122°F)

Dimensions 220 x 82 x 66 mm (8.7 x 3.2 x 2.6") Shipping Weight 1.4 kg (3.1 lb.)

interval. Socket for 12VDC adapter

4 for HI 9174, HI 9274, HI 9184

using 38 mm plain paper

Max. 95% RH non-condensing

OPERATIONAL GUIDE

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.

TEMP

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

ON/OFF

If the meter does not switch on check the batteries.

PROBE CONNECTION

Choose the most appropriate temperature probe(s) for your application (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.

°C

This could also indicate that probe cable is damaged. "CH" and the channel number are displayed together (HI 9174, HI 9184, HI 9274 only).

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 automatically switched off after 5 minutes of non-use. However, the meter will continue to

TEMP

monitor the temperature if in recording/logging 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

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).

ALT

TIME

DATE

Use  or  to select the year.

When the correct year is selected, press TIME to memorize it. The month will start blinking.

TIME

Similarly set month by  or . Press TIME and the day will start blinking.

TIME

Use  or  to select the correct day. Press the ALT and the TIME keys simultaneously. The display will

switch to the clock mode, and the printing interval will blink.

ALT

TIME

Any interval can be selected from 1, 2, 5, 10, 15, 30, 60, 120 to 180 minutes by using  or .

Memorize the interval by pressing TIME. The hour will start blinking.

TIME

To select the hour press  or  (24 hour clock) and press TIME once more to memorize it. The minutes will start blinking.

TIME

Use  or  to select the minutes. Press the ALT and TIME keys simultaneously. The instrument will now

ask for the password and display "0000".

ALT

TIME

To return to normal operation enter the password or press the ALT and TIME keys again if the password is not to be changed.

The new date, time and printing interval are now stored in the memory even when the meter is switched off.

SETTING THE PASSWORD (HI 9171, HI 9181, HI 9174 & HI 9184 ONLY)

The password is represented by a 4 digit number each selectable from 0 to 6.

By pressing the ALT and the TIME keys at the end of the time/date setting procedure, four zeros appear on the LCD.

ALT

TIME

If you wish to enter a password, press any of the keys corresponding to a number. These numbers are printed on the bottom right hand side of the keys as shown below:

PRT

PAPER

TIME

012

LOG

ALT

TEMP

If no password is necessary, leave the default password as 0000 by

pressing and holding ALT down and then pressing TIME. Once a password has been entered, it is automatically stored in

memory. By pressing ALT and TIME simultaneously the display will switch back to normal operation.

ALT

TIME

Note: If the password is not known or forgotten, remove the batteries

for two minutes and the password is reset to the default 0000.

ENTERING THE PASSWORD

When the display shows "----" it means that the password has to be entered. Press the keys corresponding to the password, e.g. for "1256" press the TIME, TEMP, PRT and PAPER keys in that sequence. If the wrong key is pressed, once all four digits are filled on the LCD, the meter will again show "----" so that the entire password can be reentered.

VIEWING TEMPERATURE, TIME & DATE (FOR HI 9171, HI 9174, HI 9181 & HI 9184 ONLY):

To view the date press the  key.

DATE

To view the time and the printing interval press TIME.

TIME

INTV

TIME

To view temperature press TEMP.

°C

TEMP

HANNEL

Using the  or  keys select channel (HI 9174 and HI 9184 only).

If "°C ----" is displayed, it indicates that the temperature probe or calibration test plug is not connected. This may also indicate the possibility of a damaged probe cable. The channel # is displayed together with "CH" (HI 9174 and HI 9184 only).

°C

SETTING THE PRINTING INTERVAL FOR HI 9271 & HI 9274 ONLY

Turn the meter on by pressing ON/OFF.

ON/OFF

Press the INTV and the UP keys and hold down the INTV key. The display will show the log number while the printing interval will start blinking.

INTV

Any interval can be selected from 1, 2, 5, 10, 15, 30, 60, 120 and 180 minutes by using the UP and DOWN keys.

DOWN

Release the INTV key to exit this mode.

INTV

SETTING THE MEASUREMENT RESOLUTION (HI 9271 & HI 9274 ONLY)

Press the 0.1/1 key to select 0.1° or 1° resolution.

°C

0.1/1

With HI 9274, all four channel readings automatically change by pressing this key.

To return the reading to its original resolution, simply press the 0.1/1 key again.

PRINTING/RECORDING

WITH HI 9171 & HI 9174

To print the measured values shown on the display, press PRT. This function can be activated in normal operation mode as well as

PRT

during recording mode (see below). When in measurement mode, the printout provides the following information:

a – Running sample number b – Date (DD-MM-YY) c – Time (HH-MM) d – Temperature value(s) e – Channel numbers (HI 9174 only)

RECORDING AT AN INTERVAL

Ensure that the appropriate recording interval has been set (see Operational Guide on page 9).

Press ALT and RUN simultaneously to enter the recording mode.

ALT

The log number and the interval time will appear for a few seconds on the display to indicate the correct operational mode.

The meter will print the measurements taken in that moment, and will print at the selected interval thereafter until ALT and RUN are pressed again. The password is also requested to stop printing (unless it remained at default 0000).

Each printout provides the following information: a – Date (DD-MM-YY) b – Printing interval in minutes c – Time (HH-MM) d – Temperature value(s) e – A running log number f – Running sample number (in that particular log) g – Channel number(s) HI 9174 will print only the values of the probes connected. If probes

are added to the remaining channels during the recording mode, the data from the additional probes will not be printed. Data from remaining channels can only be added if the recording mode is exited and re-entered. A blinking "CH" will appear on the display next to the channel numbers not being utilized and/or recorded.

When the meter is in recording mode "LOG" is displayed on the bottom left corner of the LCD together with time and the printing interval.

If no keys are pressed, the meter goes to standby mode to prolong the battery life while the recording function remains active.

RUN

To reactivate the display press TEMP.

TEMP

Notes:

• Once in the recording mode, the printer cannot be stopped unless the password is entered (unless the password is 0000).

• The interval cannot be changed during recording mode. Exit the recording mode first (press ALT and LOG and enter the password) before setting the new interval.

ALT

LOG

• If PRT is pressed while in logging mode, a printout is produced without affecting

PRT

the running sample number.

TO STOP RECORDING

Press ALT and LOG simultaneously. If a password has been entered the printer will require the operator to enter the correct password whereupon it will generate a log exit status printout.

ALT

LOG

Note: If the password is unknown or forgotten, remove the batteries

for two minutes to stop printing and reset the password to

0000. Likewise, the running log number can also be reset.

PRINTING/RECORDING

WITH HI 9271 & HI 9274

To print the measured values press PRINT. Each printout provides the following information:

a – The total accumulative time b – Temperature value(s) c – Channel numbers (HI 9274 only) d – Running sample number

RECORDING AT AN INTERVAL

Ensure that the appropriate recording interval has been set (see Operational Guide on page 9).

Press the LOG key to enter the recording mode.

LOG

The log number and the interval time will appear for a few seconds on the display to indicate the correct operational mode.

The meter will print the measurements taken in that moment, and will print at the selected interval thereafter until the ON/OFF key is pressed again.

ON/OFF

The printout provides the following information:

a – A running log number b – A running sample number (in that particular log) c – Channel numbers (HI 9274 only) d – Printing interval indicator in minutes e – The accumulated time since printing started (HH.MM) f – Temperature value(s)

HI 9274 will print only the values of the probes connected. If probes are added to the remaining channels during the recording

°C

LOG

mode, the data from the additional probes will not be printed. Data from remaining channels can only be added if the recording mode is exited and re-entered. A blinking "CH" will

appear on the display next to the channel numbers not being utilized and/or recorded.

When the meter is in recording mode "LOG" is displayed on the bottom left corner of the LCD together with temperature.

°C

LOG

If no keys are pressed, the meter goes to standby mode to prolong the battery life.

Notes:

• If the PRINT key is pressed while still in recording mode, a printout is produced

without affecting the running number.

• Once in recording mode, the printing interval cannot be changed. Exit the recording mode first by pressing ON/OFF

ON/OFF

and reset the new interval.

TO STOP RECORDING

To quit recording mode, press ON/OFF. This will generate a recording exit status printout.

Log number

ON/OFF

--07-- 0005M

<>0016 *1.15

Total sample number

Exit printing interval & accumulative time

PRINTING/LOGGING

WITH HI 9181 & HI 9184

To print the measured values shown on the display, press PRT. This function can be activated in normal operation as well as during logging and scanning data on display (see page 23). When in measurement mode, the printout provides the following information:

a – Running sample number b – Date (DD-MM-YY) c – Time (HH-MM) d – Temperature value(s) e – Channel numbers (HI 9184 only)

LOGGING MODE WITHOUT PRINTING

This function is particularly useful when measurements have to be taken continuously even in the absence of an operator over a long period of time. In this mode data will be stored directly into memory.

Set the appropriate logging interval (see page 9). Press the ALT and LOG keys simultaneously to enter the logging

mode. The current log number and remaining page numbers will appear for a few seconds on the display to indicate the correct operational mode. The printer will print a complete set of data and the "LOG" symbol will appear on the secondary LCD.

PRT

ALT

LOG

To continue logging without printing, press ALT and PAPER at the same time and the "LOG" symbol on display will start to blink.

ALT

PAPER

°C

LOG

HI 9184 will print only the values of the probes connected. If probes are added to the remaining channels during the recording mode, the data from the additional probes will not be printed. Data from re-

maining channels can only be added if the recording mode is exited and re-entered. A blinking "CH" will appear on the display next

°C

LOG

to the channel numbers not being utilized and/or recorded.

After approximately 5 minutes the display will switch off but the logging function remains active.

To reactivate the display press TEMP. If you wish to restart printing press the ALT

TEMP

and PAPER keys simultaneously again.

Notes:

• Once in the logging mode, the interval cannot be changed. Exit the logging mode by pressing ALT and LOG and entering the password before setting the new interval.

ALT

LOG

• If PRT is pressed while in logging mode, a printout is produced without affecting the running sample number.

PRT

SAMPLE NUMBER

During logging it is possible to know the running sample number. Press the LOG key twice and the display will show the number of values that have been taken in the current log.

2 x

LOG

LOGGING MODE WITH PRINTING

This function is useful in a variety of applications from unsupervised monitoring to satisfying regulatory requirements. In addition to the printouts, the measurements are also stored into the memory.

Press the ALT and LOG key simultaneously to enter the logging mode.

ALT

LOG

The current log number and the remaining page numbers will appear for a few seconds on the display to indicate the correct opera-

LOG

tional mode. The printer will print a complete set of data and the "LOG" symbol will appear on the secondary LCD.

If no key is pressed, the display goes blank after about 5 minutes and comes back to life only to print the next batch of data. During printing, the display shows the time,

LOG INTV

TIME

preselected interval and the “LOG” symbol.

To reactivate the display press the TEMP key. Each printout provides the following informa-

TEMP

tion: a – Date (DD-MM-YY) b – Printing interval in minutes c – Time (HH-MM) d – Temperature value(s) e – A running log number f – A running sample number (in that particular log) It is always possible to switch from the logging with printing function

to the logging without printouts. Press ALT and PAPER at the same time and the "LOG" symbol will start to blink to indicate that the data are now stored into memory but no longer printed.

°C

ALT

PAPER

LOG

Notes:

• It is recommended to use the external power supply during logging with printing mode, especially when many printout are going to be taken.

• Before proceeding with logging with printing, make sure there is enough paper for your measurements. When the paper is run out the meter will not advise the operator and the printouts could be lost. If this happens, data will continue to be stored into memory, and it is always possible to print them at later time (see page

25).

• It is possible to insert a new paper roll during logging session (see

page 32).

• Once in the logging mode, the printer cannot be stopped unless the password is entered (unless the password is 0000).

• The interval cannot be changed during logging mode. Exit the recording mode by pressing ALT and LOG and entering the

password before setting the new interval.

ALT

LOG

• If PRT is pressed while in logging mode, a printout is produced without affecting the running sample number.

PRT

TO STOP LOGGING

Press the ALT and the LOG keys simultaneously and enter the password. This will generate an exit status printout.

ALT

LOG

Log number

Total sample number

==07== 0005M

10-01-96

0016 *16.25 #1 20.0 °C #2 57.3 °C..

LOG EX Date/Tim

TO SCAN STORED DATA ON DISPLAY

Press the LOG key. The display will show the log number and the remaining page numbers.

LOG

While pressing the ALT key, press the  key until the log number to scan appears on the secondary display. The primary display will show the number of samples in that particular log.

ALT

Press the ALT and the TEMP keys simultaneously. This now shows the date when log started.

ALT

TEMP

Press the  key and the time of the most recent sample will be displayed.

Press the  key and the temperature will be displayed.

Continue pressing the  key to display one by one all the memorized data of the same log in the above sequence i.e. time and temperature.

Press the  key to revert back to sampling time and scan the samples.

To exit from the recall mode press the LOG key.

LOG

Note: this mode will not alter data already

in the memory.

TO PRINT STORED DATA

Once a log number is selected (see "TO SCAN STORED DATA ON DISPLAY" on page 23) you can print all or part of that logged section by pressing the ALT and PRT keys. The printer will start to print the logged section beginning with the selected sample number without altering the content of the memory.

ALT

PRT

Note: It is always possible to print

only the sample shown on the

PRT

display by pressing the PRT key.

Note: Before proceeding with printing, make sure there is enough

paper for the data to be printed. When the paper is finished the meter will not advise the operator and the printouts could be lost. If this happens, stop the printer by pressing ALT and

ALT

PAPER

PAPER simultaneously. Insert a new paper roll and repeat the instructions above

starting from the last printed sample number (see chapter "PRINTER MAINTENANCE" on page 32 for changing the paper roll).

WORKING EXAMPLE (HI 9181 & HI 9184 ONLY)

The following is a step by step procedure of a typical monitoring situation where we have assumed that the batteries have been inserted and the date and time correctly set.

In this example, the meter stores the temperature every 2 minutes. It will log 10 samples but print only 3, then displays the data contained in sample number 1 and prints samples 5 through 10.

Example:

Step One - Setting the printing/logging interval at 2 minutes:

Press ALT and TIME. The display will now ask for the password (unless it was left at 0000).

ALT

°C

TIME

Enter password 3434 using the  and  keys.

Press ALT and TIME again. The time will appear on the primary display with an intermittent number representing the printing/logging interval.

ALT

TIME

INTV

Press either the  or  keys until "2" appears blinking.

TIME

INTV

Press the ALT and TIME keys twice to exit. The display will now show the current time together with the selected interval of 2 minutes.

ALT

TIME

INTV

Step Two - Entering the log mode:

Press ALT and LOG. Initially, "L 01" will appear on the primary display.

ALT

LOG

The meter is now in the printing/logging mode utilizing log number 1, page 16. "LOG" and P 15 shown in the secondary display indicate that the meter has entered the log mode, and has 15 available pages of memory remaining. After the initial printout, the time and printing/ logging interval will reappear.

TIME

INTV

Press the LOG key to view the running log and page numbers.

LOG

Press the LOG key again to view the running sample number.

LOG

Step Three - Stopping the printer during the log mode:

After the third printout is completed, press the ALT and PAPER keys. At this point the meter will continue to log data every 2 minutes but will no longer print any information. "LOG" will blink on the secondary display for the remainder of "L 01" (log number 1).

ALT

PAPER

LOG

Note: If the display is shut off, press TEMP to reactivate it and then

press LOG twice to view the running sample number.

Step Four - Leaving the log mode:

Once the number of samples stored in memory has reached 10, press the ALT and LOG keys. The meter will demand a password.

ALT

LOG

Enter the password 3434 using the  and  keys.

3 4 3 4

The meter will exit the log mode after generating a log exit status printout.

10-01-96

==01== 0002M

0010 *00.18

Step Five - Reviewing the stored data in log number 1:

Press LOG to enter the memory recall mode. The next available log and page number will be shown on the display.

LOG

Press the ALT and  keys until the number 10 and "L1" appear, indicating that a total of 10 samples were recorded in log number 1.

ALT

To view the data stored in log number 1 first use the  and  keys to scroll through the sample numbers.

Once the desired sample number is displayed, press the ALT and TEMP keys. The date in which that sample was taken will appear first.

ALT

TEMP

Press the  key to view the time.

Press the  key again to view the temperature.

°C

DATE

TIME

With HI 9184 when more than one probe have been connected, press the  key to view the other channels values.

Step Six - Printing the stored data (samples 5 through 10):

Press and hold the ALT key and press the  key until the total number of samples recorded in log number 1 is displayed.

Scroll through the sample numbers by using either the  or  keys until number "5" appears.

Press the ALT and PRT keys. The meter will automatically printout sample numbers 5, 6, 7, 8, 9 and 10 consecutively.

ALT

PRT

DATA TRANSFER TO PC

(HI 9181 & HI 9184 only)

HI 9181 and HI 9184 contains infrared emitting circuitry. Set the meter to TIME mode and place it on a HI 9200 Infrared Transmitter (ensuring that the infrared LEDs are placed on top of each other). The logged data can be downloaded to your PC through the HI 9200's RS232 port.

During the data transfer the instrument displays "r 232".

Using the HI 9200 Infrared Transmitter, all recorded data can be fed to your Personal Computer for easy reproduction, storage or elaboration without having to connect and disconnect cables between the meter and your PC.

Data can be further elaborated with the new optional HI 92000 Windows® compatible application software.

HI 92000 allows use of commonest spread sheet programs (e.g. Excel, Lotus 1-2-3) and offers a variety of features with an on-line help routine. To install HI 92000, you need a 3.5" drive and a couple of minutes to follow the short instructions conveniently printed on the disk label.

TIME

Windows® is a registered Trademark of "Microsoft Co." Excel© Copyright of "Microsoft Co." Lotus 1-2-3© Copyright of "Lotus Co."

SELF-DIAGNOSTIC FUNCTIONS

HI 9171, HI 9174, HI 9181, HI 9184, HI 9271 and HI 9274 are factory programmed to automatically diagnose a fault and inform the user by displaying an error code on the LCD.

Error codes are: PEr0, PEr1, PEr2 = Short circuit on the system, the meter should be

returned for repair (see Warranty section).

PEr3 = Printer mechanism fault - repair needed (see Warranty

section). PEr4 = Printer clutch jammed - reset the printer (see page 33). PEr9 = Printer jammed - reset the printer (see page 33).

MEMORY ORGANIZATION

(HI 9181 & HI 9184 only)

Capacity

16,000 data samples, divided into 16 pages.

Capacity per page

1000 data with 1 channel monitored; 500 data with 2 channels monitored (four channels versions only); 250 data with 3 or 4 channels monitored (four channels versions only). Each time a new logging mode is entered, it automatically starts a

new page. Once all 16 pages are used up, the meter will overwrite the first lot. During logging, the meter automatically returns to the oldest page in the memory and if it contains data, it will overwrite it. In this case the first log will not correspond to the oldest set of data

It is recommended to periodically “clean” the memory. Save the data in a PC if you need to keep a record and then disconnect the batteries for about 1 minute. If you do this, remember to reset the time and date, once the batteries have been inserted again.

ATTENTION

Data is stored into memory until batteries are removed. If replacement of the batteries is needed and data is not to be lost, first plug in an external 12VDC power supply and then proceed with battery replacement as described on page 34. Only once batteries have been replaced, it is possible to unplug the power supply without losing the previously memorized data.

PRINTER MAINTENANCE

TO CHANGE THE INK CARTRIDGE

When printouts become faint, it might be necessary to change the ink cartridge. Contact your dealer or the nearest Hanna Service Center for this.

TO INSERT PAPER ROLL

HI 9171, HI 9174, HI 9181, HI 9184, HI 9271 and HI 9274 use plain 38 mm wide paper rolls. To insert a new roll gently pull out the printer cover.

Take out the used paper cylinder.

Insert the paper edge in the printer slot and feed the paper through by pressing the PAPER key.

PAPER

Allow about 5 cm (2") of paper to exit from the printer and then replace the cover.

TO RESET THE PRINTER

Take the battery cover off by removing the screws on the back of the meter. Using a blunt

1.5V

pencil press the black reset button. This will reset the printing mechanism.

Before replacing the battery cover, investigate likely cause of the printer jam (e.g. the paper might be caught under the cover preventing the paper from advancing).

Replace the battery cover and tighten the screws.

1.5V

SCREW

POTS

RESET

BATTERY REPLACEMENT

If "LO BAT" appears on the display, it is an indication that the batteries are running down. If it appears during printing, approximately

°C

LOBAT

200 printouts can still be made before the batteries are exhausted. When there is only sufficient power for 100 printouts, the "LO BAT" sign is displayed continuously on the LCD.

Battery replacement must only take place in a non-hazardous area using alkaline AA type 1.5V batteries.

1.5V

SCREW

POTS

RESET

In order to replace run down batteries, simply remove the two screws on the rear cover of the instrument and replace the four 1.5V AA batteries with new alkaline ones, paying attention to the correct polarity.

HI 9171, HI 9174, HI 9181 and HI 9184 will show a clock function that will appear as 0:00 and a default sampling interval of 1 minute.

A 12VDC power source can also be used to power the unit (see Accessories on page 40).

Note: The instrument uses the following configuration.

It is recommended to use Hanna Instruments HI 710005 and HI 710006 voltage adapters that use the proper polarity configura-

tion.

HI 9171, HI 9174, HI 9181, HI 9184, HI 9271 and HI 9274 can also be used with other adapters supplying a 12VDC output. In this case, remember to check the correct polarity of your adapter before connecting it to the meter.

WARNING: With HI 9181 and HI 9184, if the external power

supply or batteries are disconnected, all stored data will be erased. Always employ external power to the instrument when changing the batteries to prevent loss of data.

CALIBRATION

All Hanna thermometers have been accurately precalibrated at the factory.

However, as a general rule, it is recommended to have all thermometers recalibrated at least once a year.

For an accurate annual recalibration, contact your dealer or the nearest Hanna Customer Service Center.

Hanna Test Plugs provide a quick and easy way to check the accuracy of the meter by simply connecting these Test Plugs to the probe connector of the meter.

If the reading differs by more than ±0.4°C (±0.8°F) from the Test Plug values, the unit is due for recalibration.

Choose the right Test Plug to suit your needs:

HI 762-18C Calibration key, –18.0°C ±0.4°C HI 762000C Calibration key, 0.0°C ±.0.4°C HI 762070C Calibration key, +70.0°C ±0.4°C HI 762-004F Calibration key, –0.4°F ±0.8°F HI 762032F Calibration key, +32.0°F ±0.8°F HI 762158F Calibration key, +158.0°F ±0.8°F

TEMPERATURE PROBES

Hanna Instruments offers a wide range of probes to meet all your requirements (from liquids to air and penetration to surface). These probes use highly sensitive thermistor sensors which provide greater accuracy, faster response and a temperature range that is superior to conventional thermistor probes. All Hanna temperature probes are supplied precalibrated from the factory and are ready to be used with your meter. The probes are easily to your meter with a standard connector. Completely interchangeable, these probes make it possible for you to switch from one to another without wasting time and money going through tedious calibration procedures. They are available with different handle colors to avoid cross contamination during testing:

HI 762A Air probe, with 1 m (3.3') cable and white handle HI 762A/10 Air probe, with 10 m (33') cable and white handle HI 762BL General purpose liquid probe, with 1 m (3.3') cable

and black handle

HI 762L General purpose liquid probe, with 1 m (3.3') cable

and white handle

HI 762L/2 General purpose liquid probe, with 2 m (6.6') cable

and white handle

HI 762L/10 General purpose liquid probe, with 10 m (33') cable

and white handle

HI 762PBL Penetration probe with 1 m (3.3') cable and blue

handle

HI 762PBL/10 Penetration probe with 10 m (33') cable and blue

handle

HI 762PG Penetration probe with 1 m (3.3') cable and green

handle

HI 762PG/10 Penetration probe with 10 m (33') cable and green

handle

HI 762PR Penetration probe with 1 m (3.3') cable and red

handle

HI 762PR/10 Penetration probe with 10 m (33') cable and red

handle

HI 762PW Penetration probe with 1 m (3.3') cable and white

handle

HI 762PW/10 Penetration probe with 10 m (33') cable and white

handle

HI 762W Wire probe, without handle (hard-to-reach places)

with 1 m (3.3') cable

HI 762W/10 Wire probe, without handle (hard-to-reach places)

with 10 m (33') cable

HANNA INSTRUMENTS TEMPERATURE PROBES

UN-HOUSED NTC SENSORS

It is often necessary to "customize" tests to meet specific criteria. For this reason, Hanna offers a wide range of NTC thermistor sensors that can be custom mounted in almost any application. Select the sensor that matches your requirements, attach it to the Phono style adaptor and plug it into the meter. You now have a temperature sensor that is custom built for your application. The following is a list of the NTC Thermistor sensors available:

HI 76P2-1/P Phono style plug with 1 meter (3 foot) cord (4 pcs)

HI 76S2-1/P NTC Thermistor sensor. Teflon® coated with hole for

mounting (2 pcs)

300mm

6.4mm

0.25"

25.4mm

1.0"

12"

TEFLON TUBING

HI 76S2-2/P NTC Thermistor sensor. Self-adhesive, foam disk for

mounting (4 pcs)

ALUMINUM

HOUSING

19mm

0.75"

4.8mm

0.19"

7.1mm

0.28"

DIA 3.8mm

0.15"

6.4mm

0.25"

38mm

15"

RELEASE

LINER

38mm

1.5"

MYLAR

FOIL

25.4mm

1.00"

FOAM

DISK

3mm

0.12"

HI 76S2-3/P NTC Thermistor sensor. Eye-connector for mounting

(4 pcs)

406mm

6.4mm

0.25"

16"

EPOXY

TIN PLATED Cu

Teflon® is a registered Trademark of "du Pont de Nemours & Co."

19mm

0.74"

9.6mm

0.38"

#6 STUD SIZE

1mm

0.04"

5.5mm

0.22"

HI 76S2-4/P NTC Thermistor sensor. Molded tip with epoxy seal for

aggressive environments (5 pcs)

6.4mm

0.25"

406mm

16"

EPOXY FILLET

9.6mm

0.38"

2mm

0.08"

MOLDED TIP

HI 76S2-5/P NTC Thermistor sensor. Aluminum tab with mounting

hole (4 pcs)

8mm

0.31"

12.7mm

0.50"

1.6mm

0.06"

4.7mm

0.19"

6.4mm

0.25"

300mm

12"

DIA 3mm

0.12" EPOXY

ALUMINUM

HOUSING

HI 76S2-6/P NTC Thermistor sensor. PVC encapsulated tip for pro-

tection in aggressive environments (4 pcs)

6.4mm

0.25"

25.4mm

1.0"

300mm

12"

15.8mm

0.625"

MOLDED

PVC TIP

7.1mm

0.28"

HI 76S2-7/P NTC Thermistor sensor. Can be housed and used in any

custom application (10 pcs)

2.4mm

0.095"

38mm

1.50"

LEAD DIA

0.2mm

0.008"

ACCESSORIES

Calibration Test Plugs see page 35 Temperature Probes see page 36 Un-housed NTC Sensors see page 38

ADAPTERS/TRANSFORMERS

HI 710005 Voltage adapter from 110VAC to 12 VDC HI 710006 Voltage adapter from 220VAC to 12 VDC

OTHER ACCESSORIES

HI 9200 Infrared Transmitter (for HI 9181 and HI 9184 only) HI 92000 Windows® software for data transfer to PC (for

HI 9181 and HI 9184 only)

HI 710034 10 Plain Paper Spare Rolls HI 710035 1 Spare Ink Cartridge HI 710031 Rugged carrying case MANPRNFCR2 Instruction manual

Windows® is a registered Trademark of "Microsoft Co."

WARRANTY

All Hanna Instruments meters are warranted for two years against defects in workmanship and materials when used for their intended purpose and maintained according to instructions.

The probes are warranted for a period of six months.

This warranty is limited to repair or replacement free of charge. Damages due to accidents, misuse, tampering or lack of prescribed

maintenance are not covered. If service is required, contact the dealer from whom you purchased

the instrument. If under warranty, report the model number, date of purchase, serial number and the nature of the failure. If the repair is not covered by the warranty, you will be notified of the charges incurred.

If the instrument is to be returned to Hanna Instruments, first obtain a Returned Goods Authorization Number from the Customer Service department and then send it with shipment costs prepaid. When shipping any instrument, make sure it is properly packaged for complete protection.

To validate your warranty, fill out and return the enclosed warranty card within 14 days from the date of purchase.

All rights are reserved. Reproduction in whole or in part is prohibited without the written consent of the copyright owner, Hanna Instruments Inc., 584 Park East Drive, Woonsocket, Rhode Island, 02895, USA.

Hanna Instruments reserves the right to modify the design, construction and appearance of its products without advance notice.

OTHER PRODUCTS FROM HANNA

• CALIBRATION AND MAINTENANCE SOLUTIONS

• CHEMICAL TEST KITS

• CHLORINE METERS

• CONDUCTIVITY/TDS METERS

• DISSOLVED OXYGEN METERS

• HYGROMETERS

• ION SPECIFIC METERS (Colorimeters)

• MAGNETIC STIRRERS

• Na/NaCl METERS

• pH/ORP/Na ELECTRODES

• pH METERS

• PROBES (DO, µS/cm, RH, T, TDS)

• PUMPS

• REAGENTS

• SOFTWARE

• THERMOMETERS

• TITRATORS

• TRANSMITTERS

• TURBIDITY METERS

• Wide Range of Accessories

Most Hanna meters are available in the following formats:

• BENCH-TOP METERS

• POCKET-SIZED METERS

• PORTABLE METERS

• PRINTING/LOGGING METERS

• PROCESS METERS (Panel and Wall-mounted)

• WATERPROOF METERS

• METERS FOR FOOD INDUSTRY

For additional information, contact your dealer or the nearest Hanna Customer Service Center. You can also e-mail us at tech@hannainst.com.

CE DECLARATION OF CONFORMITY

DECLARATION OF CONFORMITY

Hanna Instruments Srl V.le delle industrie 12 35010 Ronchi di Villafranca (PD) ITALY

herewith certify that the thermometers

HI9171 HI9174 HI9181 HI9184 HI9271 HI9274

have been tested and found to be in compliance with the following regulations:

IEC 801-2 Electrostatic Discharge IEC 801-3 RF Radiated IEC 801-4 Fast Transient EN 55022 Radiated, Class B

Date of Issue: 19-02-1996

D.Volpato - Engineering Manager

On behalf of

Hanna Instruments S.r.l.

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 areas could cause unacceptable interference to radio and TV equipment.

Any variation introduced by the user to the supplied equipment may degrade the instruments' EMC performance.

Unplug the instruments from power supply before replacing the fuse or making any electrical connections.

HANNA LITERATURE

LAB RECORDING WATER ANALYSIS

ENVIROCARE GENERAL CATALOG

These and many others catalogs, handbooks and leaflets are available from Hanna. To receive your free copy, contact your dealer or the nearest Hanna Customer Service Center.

http://www.hannainst.com

PRINTED IN ITALY

MANPRNFCR2 03/97

Hanna Instruments HI 9271 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual