Thermosense HH-250 Manuale utente

HH-520

4-Channel Thermocouple Data Logger

(Types K, J, T, E)

Instruction Manual

HH-520 4-Channel Thermocouple Data Logger Instruction Manual

Thermosense Limited

www.thermosense.co.uk

Page 1

CONTENTS

1. GENERAL DESCRIPTION..............................................................................................................2

2. SAFETY INFORMATION.................................................................................................................2

3. FEATURES......................................................................................................................................2

4. SPECIFICATIONS...........................................................................................................................3

5. SYMBOL DEFINITION & BUTTON LOCATION ..............................................................................4

6. BUTTON INSTRUCTIONS ..............................................................................................................6

6.1 Power ON/OFF Button..............................................................................................................6

6.2 Backlight Button........................................................................................................................6

6.3 Data-Hold Button ......................................................................................................................6

6.4 REC Button...............................................................................................................................6

6.5 MEM Button..............................................................................................................................6

6.6 RECALL Save Reading Button..................................................................................................6

6.7 MAX/MIN/AVG Button...............................................................................................................7

6.8 Selecting Temperature Units .....................................................................................................7

6.9 SETUP Button ..........................................................................................................................7

7. OPERATING INSTRUCTIONS ........................................................................................................7

7.1 Setup Options...........................................................................................................................7

7.2 Menu Item.................................................................................................................................7

7.3 Menu Description......................................................................................................................9

7.3.1 Select thermocouple type: K, J, E, or T .............................................................................9

7.3.3 Set offset to compensate for probe errors .........................................................................9

7.3.4 Set alarm point (only for channel T1).................................................................................9

7.3.5 Set T1-T2 subtraction mode............................................................................................10

7.3.6 Set auto power off time...................................................................................................10

7.3.7 Set system clock.............................................................................................................10

7.4 Clearing Data Logger Records................................................................................................ 11

7.5 Clearing Instant Read-out Memory.......................................................................................... 11

7.6 Connecting to a computer.......................................................................................................11

8. POWER PREPARATION............................................................................................................... 11

8.1 Battery Replacement .............................................................................................................. 11

9. TESTLINK SE-520 SOFTWARE....................................................................................................12

10. MAINTENANCE ..........................................................................................................................18

HH-520 4-Channel Thermocouple Data Logger Instruction Manual

Thermosense Limited

www.thermosense.co.uk

Page 2

1. GENERAL DESCRIPTION

Thank you for choosing our data logger thermometer. To ensure the safety and the best performance

of this instrument, we recommend you to read and follow the manual carefully before operation.

Data can be stored in the meter or directly saved on a computer through PC interface. Recorded

data can be further processed by PC computer.

2. SAFETY INFORMATION

Read the following safety information carefully before attempting to operate or service the meter.

Use the meter only as specified in this manual; otherwise, the protection provided by the meter may

be impaired.

ENVIRONMENT CONDITIONS

Altitude up to 2000 meters

Relatively humidity: 90% max

Operation ambient temperature: 0°C to 50°C

MAINTENANCE & CLEANING

Repairs or servicing not covered in this manual should only be performed by qualified personnel.

Periodically wipe the case with a dry cloth. Do not use abrasives or solvents on this instrument.

SAFETY SYMBOLS

Comply with EMC

When servicing, use only specified replacement parts.

3. FEATURES

Four-channel inputs

Support K, J, E, T type thermocouple

Temperature alarm function

Fast response and sampling rate

16,000 data logger records each channel

Instant recall function

USB PC interface with Windows software included

Adjustable auto power off timer

HH-520 4-Channel Thermocouple Data Logger Instruction Manual

Thermosense Limited

www.thermosense.co.uk

Page 3

4. SPECIFICATIONS

Measurement range：

K: -200°C ~1372°C (- 328°F ~ 2501°F)

J: -200°C~1000°C (- 328°F ~ 1832°F)

E: -200°C~750°C (- 328°F ~ 1382°F)

T: -200°C~400°C (-328 °F ~ 752°F)

Resolution：

0.1°C < 600°C / 0.1°F < 1000°F,

1°C ≧600°C / 1°F ≧1000°F

Accuracy：

Accuracy is specified for ambient temperatures between

18°C (64°F) and 28°C (82°F). The specifications do not

include thermocouple sensor error.

±(0.1% of reading+0.7°C) ±(0.1% of reading+1.4°F)

below -100°C（-148°F）

±(0.4% of reading +0.7°C) ±(0.4% of reading +1.4°F)

Temperature coefficient：

0.01% of reading + 0.05°C per °C (<18°C or >28°C)

Sample rate：

2 time per second

Battery type：

UM-4 or AAA 1.5V battery x 4

Battery lifetime：

Approx. 100 hours (alkaline battery)

Operation temperature：

0°C to 50°C (32°F to 122°F)

Operation humidity：

10 to 90%RH (no condensing)

Storage temperature：

-20°C to 60°C (-4°F to 140°F)

Storage humidity：

10 to 75%RH

Dimensions/ Weight：

187mm(L) × 75mm(W) × 29mm(H)/ Approx. 290g

Standard Accessories：

Instruction manual, battery 1.5V AAA x 4 pcs, Windows

software, micro USB cable, K type bead probe x 2 pcs,

carrying case.

HH-520 4-Channel Thermocouple Data Logger Instruction Manual

Thermosense Limited

www.thermosense.co.uk

Page 4

5. SYMBOL DEFINITION & BUTTON LOCATION

: Battery condition indicator

: Minimum indicator

: Maximum indicator

: Average indicator

: Setup option indicator

: Auto Power Off enabled indicator

: Recording data logger indicator

: Memory full indicator

: Memory group indicator

: Recall Memory group reading indicator

: Thermocouple type

: Temperature reading

: Temperature channel

: Temperature subtraction mode

: Temperature alarm indicator

: Hi Temperature alarm indicator

: Lo Temperature alarm indicator

:Compensate for probe errors

: Temperature measurement units

: Data hold indication

HH-520 4-Channel Thermocouple Data Logger Instruction Manual

Thermosense Limited

www.thermosense.co.uk

Page 5

(1) Thermocouple Input

(8) REC Button

(2) Display Screen

(9) RECALL Saved Reading Button

(3) Power ON/OFF Button

(10) SETUP Button

(4) Back Light Button

(11) MEM Button (Set 100 Memory)

(5) MAX MIN AVG Button

(12) USB Interface

(6) DATA HOLD Button

(13) Tilt Stand

(7) °C , °F Button

(14) Battery Compartment

HH-520 4-Channel Thermocouple Data Logger Instruction Manual

Thermosense Limited

www.thermosense.co.uk

Page 6

6. BUTTON INSTRUCTIONS

6.1 Power ON/OFF Button

Press the button to turn on the meter. Press and hold button for 3 seconds to turn off.

6.2 Backlight Button

Press to turn on the LCD backlight. This makes it easier to read in dark environment. Press

again to turn off backlight. The backlight will be automatically turned off after 30 seconds to

save battery power.

6.3 Data-Hold Button

Press button to freeze the data shown on the LCD screen. Press it again to exit Data-Hold

mode.

Note: When the unit is in the Data-Hold mode, , , , and buttons are disabled.

6.4 REC Button

Press button to start recording data. The “REC” symbol will display on the screen. To stop

recording, press button again.

Note: During recording period, most of the buttons are disabled, such as the , . All

settings must be made before starting the data logger function.

Note: When the memory is full (16000 recorders), “FULL” symbol will blink on the LCD screen.

The data logger stops.

Note: When battery power is low ( “ ” symbol lights up on the screen), data logger cannot be

started. If the battery is running low during data logging, it will stop recording automatically.

6.5 MEM Button

Press button to save readings on the LCD screen. The “ ” symbol lights up on the

screen for 2 seconds. Press the button again to store next group readings.

The store readings on the LCD screen for 00~99 group.

6.6 RECALL Save Reading Button

Press the button to recall saved readings. The “ ” symbol lights up on the screen.

Press the , , , or button to select MEM group. The LCD shows

“hour:minute:second”on the screen for 2 seconds, and then shows the readings.

Press or button to exit RECALL mode.

HH-520 4-Channel Thermocouple Data Logger Instruction Manual

Thermosense Limited

www.thermosense.co.uk

Page 7

6.7 MAX/MIN/AVG Button

Under this mode, the unit simultaneously monitors and stores the maximum, minimum and

average value in the memory. The unit will keep updating/refreshing the data.

To start:

(1) Press button. “MAX”symbol lights up on LCD, the reading shows the maximum data.

(2) Press button again to show minimum data; the “MIN”symbol lights up on LCD.

(3) Press button again to show average data; the “AVG” symbol lights up on LCD.

(4) Press button again, the “MAX, MIN and AVG”symbol blinks together, the readings

shows real time data.

To exit MAX/MIN/AVG mode:

Press and hold button for 2 seconds to exit MAX/MIN/AVG mode.

6.8 Selecting Temperature Units

Press the button to switch between Celsius (°C) and Fahrenheit (°F).

6.9 SETUP Button

Press the button to enter setup options. Press again to exit setup mode anytime.

7. OPERATING INSTRUCTIONS

7.1 Setup Options

(1) Press the button to enter setup options. Press it again to exit anytime.

(2) Using the , , , button to adjust parameters or move setting items.

(3) Press the button to save changes and move to next setting option.

7.2 Menu Item

(1) Fig.1 Set thermocouple type.

HH-520 4-Channel Thermocouple Data Logger Instruction Manual

Thermosense Limited

www.thermosense.co.uk

Page 8

(2) Fig.2 Set interval time for data logging.

(3) Fig.3 Set offset to compensate for probe errors.

(4) Fig.4 Set alarm point.

(5) Fig.5 Set T1-T2 subtraction mode.

(6) Fig.6 Set auto power off time.

HH-520 4-Channel Thermocouple Data Logger Instruction Manual

Thermosense Limited

www.thermosense.co.uk

Page 9

(7) Fig.7 Set system clock.

7.3 Menu Description

7.3.1 Select thermocouple type: K, J, E, or T

Press the or button to select thermocouple type.

(see Fig.8)

7.3.2 Setting interval time for data storing:

(1) Press the or button to set minute or second. (see Fig.9)

(2) Press the / button to increase / decrease value.

Note:

Set interval time range: 1

Second (00:01) to 60 minutes 59 seconds (60:59)

7.3.3 Set offset to compensate for probe errors

The user can adjust the readings of thermometer to compensate for the errors against a specific

thermocouple.

(1) Press the or button to select thermocouple channel.

(see Fig.10)

Setting thermocouple channel blinks on the LCD screen.

(2) Press the / button to increase / decrease value.

Note:

The offset to compensate for probe errors range: ±5°C or ±9°F.

7.3.4 Set alarm point (only for channel T1)

Want to set window. (see Fig.11 or Fig.12)

(1) Press the or button to turn on or off.

(2) When setting on mode, press the button

to set Hi and Lo limit. (see Fig.13)

Fig.8

Fig.9

Fig.10

Fig.11

Fig.12

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