Thermosense HH-521BT Instruction Manual
HH-521BT
4-Channel Thermocouple Data Logger (with Bluetooth)
(Types K, J, T, N, E, R, S)
Instruction Manual
HH-521BT 4-Channel Thermocouple Data Logger Instruction Manual v1.1
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 Saved 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 Set Bluetooth ON/OFF ...................................................................................................... 9
7.3.2 Select thermocouple type: K, J, E, T, N, R or S ................................................................. 9
7.3.3 Setting interval time for data storing ................................................................................ 10
7.3.4 Set offset to compensate for probe errors ....................................................................... 10
7.3.5 Set alarm point (only for channel T1) ............................................................................... 10
7.3.6 Set T1-T2 subtraction mode ............................................................................................ 11
7.3.7 Set auto power off time ................................................................................................... 11
7.3.8 Set system clock ............................................................................................................. 11
7.4 Clearing Data Logger Records ................................................................................................ 11
7.5 Clearing Instant Read-out Memory .......................................................................................... 12
7.6 Connecting to a computer ....................................................................................................... 12
8. POWER AND BULETOOTH ADAPTER PREPARATION .............................................................. 12
8.1 Battery Replacement .............................................................................................................. 12
8.2 Bluetooth Adapter Installation .................................................................................................. 13
9. MAINTENANCE ............................................................................................................................ 13
10. TESTLINK SE-521 SOFTWARE.................................................................................................. 14
HH-521BT 4-Channel Thermocouple Data Logger Instruction Manual v1.1
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, N, R, S type thermocouple
Temperature alarm function
Fast response and sampling rate
32000 data logger records each channel
Instant recall function
Wirelessly connect to PC or mobile device via Bluetooth Adapter
iOS and Android APP available to download from APP store
USB PC interface with Windows software included
Adjustable auto power off timer
HH-521BT 4-Channel Thermocouple Data Logger Instruction Manual v1.1
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)
N:-200°C ~1300°C(- 328°F ~ 2372°F)
R, S: 0°C ~1767°C( 32°F ~ 3212°F)
Resolution：
K-,J-,E-,T-,N-type
0.1°C < 600°C / 0.1°F < 1000°F,
1°C ≧ 600°C / 1°F ≧1000°F
R-,S-type
0.2°C < 600°C / 0.5°F < 1000°F
1°C ≧ 600°C / 1°F ≧1000°F
Accuracy：
J-,K-,E-,T-,N-type: ±(0.1% of reading+0.7°C)
±(0.1% of reading+1.3°F)
below -100°C（-148°F）
±(0.5% of reading +0.7°C) ±(0.5% of reading +1.3°F)
R- and S-type: ±(0.2% of reading+1.4°C)
±(0.2% of reading+2.5°F)
Temperature coefficient：
0.01% of reading + 0.05°C(0.0028°F) per °C [<18°C(64°F) or
>28°C(82°F)]
Sample rate：
2 time per second
Battery type：
UM-4 or AAA 1.5V battery x 4
Battery lifetime：
Bluetooth OFF: Approx. 120 hours (alkaline battery)
Bluetooth ON: Approx. 30 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-521BT 4-Channel Thermocouple Data Logger Instruction Manual v1.1
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
: Bluetooth indicator (Connecting mode)
: Bluetooth indicator
(Standby/Pairing mode)
: Thermocouple type (N type)
: Thermocouple type (R type)
: Thermocouple type (S type)
HH-521BT 4-Channel Thermocouple Data Logger Instruction Manual v1.1
Thermosense Limited
www.thermosense.co.uk
Page 5
(1) Thermocouple Input
(9) RECALL Saved Reading Button
(2) Display Screen
(10) SETUP Button
(3) Power ON/OFF Button
(11) MEM Button (Set 100 Memory)
(4) Back Light Button
(12) USB Interface
(5) MAX MIN AVG Button
(13) Bluetooth Adapter
(6) DATA HOLD Button
(14) Bluetooth Compartment
(7) °C , °F Button
(15) Tilt Stand
(8) REC Button
(16) Battery Compartment
HH-521BT 4-Channel Thermocouple Data Logger Instruction Manual v1.1
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 (32,000 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 Saved Reading Button
Press the
button to recall saved readings. The “ ” symbol lights up on the screen.
Note: When the meter is during connection section, this function is disabled.
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-521BT 4-Channel Thermocouple Data Logger Instruction Manual v1.1
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.
Note: When the meter is during connection section, setup options cannot be entered.
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 Bluetooth ON/OFF.
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