multicomp pro MP780620 User manual

SOUND, TEMPERATURE AND HUMIDITY
DATALOGGER
MP780620 & MP780621

Contents
1. Product Introduction........................................................................................1
1.1 Product Safety Instructions.......................................................................1
1.2 Model Selection Sheet ............................................................................1
2. Product Image and Button Description............................................................2
2.1 Product Appearance ................................................................................2
2.2 Introduction of Button Functions ...............................................................2
2.3 LCD ........................................................................................................ 3
3. Technical Parameter ......................................................................................4
4. Operating Instructions.....................................................................................5
4.1 Install the Battery ......................................................................................5
4.2 Power on..................................................................................................5
4.3 Power off ..................................................................................................5
4.4 Recording Function..................................................................................5
4.5 Display Description ..................................................................................6
4.6 Convert File..............................................................................................7
4.7 Alarm Description .....................................................................................7
4.8 PC Software Description ..........................................................................8
5. Screen Display Description .................................................................................................................9

1
1. Product Introduction
This series of temperature and humidity data loggers are equipped with
professional PC software. Users can configure instrument parameters, view
and analyze data through the software. This series of instruments have the
advantages of high precision and good stability, and can be used in the
environment of home, food or drug cold chain, production and
transportation.
1.1 Product Safety Instructions
Please read the following safety instructions carefully before using the
instrument:
(1) Precision instruments, please do not disassemble there are no user
serviceable parts inside;
(2) When the instrument is not used for a long time, please take out the
battery and store it carefully;
(3) Dispose of waste batteries according to local WEEE regulations, do
not incinerate;
(4) Please avoid contact with corrosive chemicals;
(5) Avoid use in areas of high static electricity or magnetic fields.
1.2 Model Selection Sheet
Model
Function
MP780620 MP780621
Temperature /Built-in
○
○
Temperature /External
○
○
Temperature and humidity
/Built-in
●
○
Temperature and humidity
/External
○ ●
Record
●
●
●means that this function is supported;
○means that this function is not supported.

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2. Product Image and Button Description
2.1 Product Appearance
2.2 Introduction of Button Functions
Button
Operation
Left button
(MAX/MIN
START/STOP)
Right button
(℃/℉
ON/OFF)
Button
combination
Short press
Switch between
maximum and
minimum values
Switch
temperature
display units
Turn off
buzzer alarm
Long press
Start / stop
recording Poweron / Power off
Note: The button combination is to press the left key and the right key at the same time.

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2.3 LCD
Temperature Temperature and Humidity
①Minimum values ⑦Humidity units
②Maximum values ⑧Humidity value display area
③Record prompt symbol ⑨Date and time
④Storage capacity Icon ⑩Battery level
⑤Temperature units ⑪Humidity over-limit alarm prompt
⑥Temperature value display area ⑫Temperature over-limit alarm prompt
(1) When the "LOG" symbol is displayed, it means that the instrument is in the recording
state.
(2) The screen refresh interval is 5s;
(3) The time polling sequence is: year, month-day, hour-minute, refreshed every 5s;
(4) LCD display real-time value;
(5) After the battery is installed, the instrument must be configured through the
PC software, otherwise the time and date will not be displayed.

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3. Technical Parameters
Model MP780620 MP780621
Measurement parameters Temperature and Humidity
Measuring range
Built-in:
- 30~70℃;
0~100%RH (non-condensing)
External:
- 40~125℃;
0~100%RH (non-condensing)
Accuracy
Built-in:
±0.5℃(0~60℃);
±0.8℃(others);
±3.5%RH (20~80%RH,25℃);
±6%RH (others)
External:
±0.3℃(0~60℃);
±0.9℃(others);
±3%RH (20~80%RH, 25℃);
±5%RH (others)
Resolution
0.1
℃
0.1
℃
; 1%RH
Storage capacity 17280 sets of measured values (per channel)
Recording interval 10~65530s can be adjusted
Measuring interval 5s
Operation/ stored
environment
- 10~65℃
Power supply 2 1.5V AAA alkaline batteries
Battery life About 1 year (1 minute sampling interval, 25℃)
Power interface Mini USB
Protection class IP40
Shell material ABS
Dimensions 120*74*24mm
Weight About 107g (without battery and probe)

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4. Operating Instructions
4.1 Install the Battery
Remove the battery cover, insert the battery noting the polarity indications
inside the battery compartment, and close the battery cover.
4.2 Power on
(1) After changing the battery, the red indicator light is on and the LCD is fully
displayed for 3s is turned off 1s after the LCD is displayed.
(2) To power on, press and hold the right button for about 3s, the instrument
will be turned on, and the LCD will be fully displayed for 3s to detect the
screen.
Note: After the battery is reinstalled, the instrument must be configured
through PC software, otherwise the recording function is unavailable and the
date and time are not displayed.
4.3 Power off
(1) Press and hold the right button for about 3s, the instrument will turn off.
(2) When low battery is detected, the instrument stops recording and turns
off.
4.4 Recording Function
(1) Long press the left button, the instrument starts to record (multiple
records by default). If the user needs to record a single time, then connect
to the PC software and uncheck "Restart". After the change, the instrument
can only record the data once; if you press and hold the left button again
after the recording is stopped, the "LOG" flashes three times and then
disappears, and the instrument cannot record further data.
(2) In the recording state, long press the left button to stop recording.

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Note: If the PC software does not check "Stop by button", long press the left
button, the instrument will not stop recording.
(3) Other conditions of stopping recording:
a. When the number of recording points reaches the maximum limit, the
instrument automatically stops recording. At this time, the screen displays
the capacity icon and does not display "LOG".
b. When connecting USB to convert files, the instrument automatically
stops recording.
c. When low battery level is detected, the instrument stops recording and
turns off.
4.5 Display Description
4.5.1 Switch Unit
Short press the right button to switch the temperature display unit.
Note: The unit of recorded data is the unit configured by the PC
software, and the user can set it in the "Configure" column.
4.5.2 View Maximum and Minimum Values
(1) In the non-recording state, short press the left button to switch to display
the maximum or minimum value of the current measurement.
(2) In the recording state, short press the left button to switch to display the
maximum or minimum value of the recorded data.
4.5.3 View Storage Status
(1) In the non-recording state, long press the left button to start recording,
and the screen displays "LOG" and the storage capacity icon. Icons are
displayed in segments to indicate storage capacity.
(2) In the recording state, long press the left button to stop recording, the
screen does not display "LOG", only the storage capacity icon is displayed,
and the icon displays the final storage status, such as .

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4.6 Convert File
(1) Connect the USB in the power-on state, and the temperature value
display area will display the file type being converted. During file
conversion, the red indicator light flashes once every 1s. After the
conversion is completed, the green indicator light stays on, and the
screen prompts "uSb".
After unplugging the USB, if the file conversion is completed, the instrument
displays normally; if the file conversion is not completed, the instrument
flashes “Err” and returns to the measurement interface after flashing three
times.
(2) When the USB is connected to convert the file in the power-off state, the
response mode of the instrument is the same as that in the startup state, but
after the USB is unplugged, the instrument remains in the power-off state.
Note: After the file conversion is completed, you can find the U disk in "My
Computer" and export the file to the computer. If not exported, the newly
converted file will overwrite the original file in the U disk.
4.7 Alarm Description
The instrument does not have any alarm in the non-recording state. In the
recording state, the over-limit alarm prompt is as follows:
(1) The data is normal, and the green indicator flashes every 10s.
(2) When the data exceeds the limit in the power-on state, the screen
prompts “ ”, and the buzzer and red indicator light respond once every
0.5s. At this time, short press two buttons at the same time to turn off the
buzzer alarm.
Note: When the data returns to normal and exceeds the limit again,
the buzzer will automatically alarm.
(3) When the data exceeds the limit in the power-off state, the buzzer does
not respond, and the red indicator light responds every 10s.

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4.8 PC Software Description
Connect the instrument to the computer via a USB cable, open the software, and
configure the instrument functions and parameters.
4.8.1 Recording Interval
After connecting, open the software and set the recording interval in the
"Configure" column.
4.8.2 Start Delay
Open the software after connecting, and set the start delay time in the
"Configure" column.
Note: After setting, long press the left button, the screen will prompt "LOG",
the instrument will not start recording until the delay time is reached.
4.8.3 Data Fetch
After connecting, open the software, you can read the instrument data in the
"Read" column.
4.8.4 File Format
After connecting, open the software and set the file format in the "Configure"
column, including five formats: pdf, xls, txt, csv and dlg.
4.8.5 Calibration
After connecting, open the software, you can calibrate the instrument in the
"Configure" column.

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5. Screen Display Description
Number
Display interface
Instruction
Figure 1
Instrument not configured via PC
software
Figure 2
The instrument enters the recording state
Figure 3
Data exceeded prompt in power-on
state
Figure 4
The instrument is converting the pdf
file
(The actual display, please refer to the
configured file format)
Figure 5
File conversion complete
Connect USB

INFORMATION ON WASTE DISPOSAL FOR CONSUMERS OF
ELECTRICAL & ELECTRONIC EQUIPMENT.
When this product has reached the end of its life it must be treated as
Waste Electrical & Electronic Equipment (WEEE). Any WEEE marked
products must not be mixed with general household waste, but kept
separate for the treatment, recovery and recycling of the materials
used. Contact your local authority for details of recycling schemes in
your area.
Made in China
PO Box 13362 Dublin 2
PR2 9PP
Number
Display interface
Instruction
Figure 6 File conversion not complete
Figure 7
Probe notconnected or poor contact
Sensor fault