LR8520
HIOKI LR8520B960-06
Instruction Manual
WIRELESS FUNGAL LOGGER
Be sure to read this manual
before using the instrument.
When using for the rst time Troubleshooting
Safety Notes
p.4
Fungal Index
Collecting Measurement Data
Using a Windows
Collecting Measurement Data
Using an Android
Dec. 2020 Revised edition 6
LR8520B960-06 20-12H
®
PC
TM
Termina
p.16 Maintenance and Service
p.31 Troubleshooting
p.83 Error Display
l
p.125
p.127
p.130
EN
HIOKI LR8520B960-06
Contents
HIOKI LR8520B960-06
Introduction ........................................................................................1
Trademark ..........................................................................................1
Verifying Package Contents .............................................................2
Options ................................................................................................. 3
Safety Notes ....................................................................................... 4
Usage Notes ....................................................................................... 7
1 Overview 15
1.1 Overview and Features .......................................................... 15
1.2 Fungal Index ...........................................................................16
1.3 Parts Names and Functions .................................................. 17
1.4 DisplayConguration ............................................................ 19
2 Preparation for Measurements 21
2.1 Inspection Before Use ...........................................................21
2.2 Inserting/Replacing Batteries ...............................................22
Installation (Replacement)..................................................................23
Battery indicator display ..................................................................... 24
Battery life indication .......................................................................... 24
2.3 Connecting the AC Adapter ...................................................25
External Power Supply ....................................................................... 25
2.4 Installing the Strap (optional) ...............................................26
2.5 Connecting Cables ................................................................. 27
Connecting the temperature and humidity sensor..............................27
Connecting the alarm output cable.....................................................28
3 Collecting Measurement Data Using a
Windows
LR8520B960-06
®
PC 31
i
Contents
HIOKI LR8520B960-06
3.1 SoftwareSpecications ......................................................... 31
System requirements .........................................................................31
Function specications ....................................................................... 32
3.2 MeasurementWorkow .........................................................33
3.3 Installing the Software ........................................................... 35
Installation .......................................................................................... 35
Startup procedure...............................................................................36
Termination procedure........................................................................36
Uninstallation ...................................................................................... 37
3.4 DisplayConguration ............................................................ 38
3.5 Basic Operation Procedure ................................................... 39
Operation ow .................................................................................... 39
Selecting multiple wireless loggers ....................................................40
3.6 Registering/Deleting a Wireless Logger ..............................41
Registering a wireless logger ............................................................. 41
Deleting a wireless logger .................................................................. 44
Grouping wireless loggers .................................................................. 45
3.7 Setting Measurement Conditions .........................................47
Setting measurement ......................................................................... 48
Setting the channel.............................................................................50
Setting scaling (as needed) ................................................................ 52
Setting the alarm function (as needed) ..............................................55
Setting the power saving function (as needed) .................................. 58
Setting the environment .....................................................................59
Communications.................................................................................61
Copying the settings ........................................................................... 63
Initializing the settings ........................................................................ 64
3.8 Sending/Receiving the Setting Conditions .......................... 65
Sending the settings ........................................................................... 65
Receiving the settings ........................................................................ 66
3.9 Starting and Stopping Measurement and Monitoring ........67
Starting and stopping measurement ..................................................67
Starting and stopping status monitoring ............................................. 68
Starting and stopping value monitoring .............................................. 69
3.10 Collecting Measurement Data ............................................... 70
ii
Contents
HIOKI LR8520B960-06
Starting and stopping data collection .................................................70
3.11 Browsing/Analyzing Measurement Data .............................. 71
Browsing measurement data..............................................................71
Exporting measurement data ............................................................. 72
Deleting measurement data ............................................................... 74
3.12 Performing Wireless Logger Maintenance ..........................75
Setting the clock ................................................................................. 75
Self-diagnosis ..................................................................................... 76
Checking the version number.............................................................77
Updating the rmware version............................................................78
3.13 Convenient Functions ...........................................................79
4 Collecting Measurement Data Using an
TM
Android
4.1 SoftwareSpecications ......................................................... 83
System requirements .........................................................................83
Function specications ....................................................................... 83
4.2 MeasurementWorkow .........................................................84
4.3 Installing the Software ........................................................... 87
Installation .......................................................................................... 87
Startup procedure...............................................................................88
Uninstallation ...................................................................................... 88
4.4 DisplayConguration ............................................................ 89
4.5 Registering/Deleting a Wireless Logger ..............................94
Registering a wireless logger ............................................................. 94
Deleting a wireless logger .................................................................. 95
Grouping wireless loggers .................................................................. 96
4.6 Setting Measurement Conditions .........................................98
Setting measurement ......................................................................... 99
Setting the channel...........................................................................100
Advance settings .............................................................................. 101
Initializing the setting ........................................................................ 102
4.7 Sending/Receiving the Setting Conditions ........................ 103
Sending the settings ......................................................................... 103
Terminal 83
iii
Contents
HIOKI LR8520B960-06
Receiving the settings ...................................................................... 104
4.8 Starting and Stopping Measurement and Monitoring ......105
Starting and stopping measurement ................................................105
Starting and stopping monitoring......................................................106
4.9 Collecting Measurement Data ............................................. 108
Starting and stopping data collection ...............................................108
4.10 Browsing/Analyzing Measurement Data ............................ 109
Browsing measurement data............................................................109
Exporting measurement data ........................................................... 111
Deleting measurement data ............................................................. 114
4.11 Performing Wireless Logger Maintenance ........................ 115
Setting the clock ............................................................................... 116
Checking the version number........................................................... 116
5 Specications 117
5.1 LR8520 Wireless Fungal Logger ......................................... 117
5.2 Z2010, Z2011 Humidity Sensor ...........................................122
6 Maintenance and Service 125
6.1 Repair, Inspection, and Cleaning ........................................125
6.2 Troubleshooting ................................................................... 127
6.3 Error Display ......................................................................... 130
6.4 Disposal ................................................................................131
Removing lithium batteries ............................................................... 131
Appendix Appx.1
Recording interval and recording time.........................................Appx.1
Target collection time...................................................................Appx.1
Initial setting list ...........................................................................Appx.2
Handling Data..............................................................................Appx.2
For customers who are using the LR8410 Wireless Logging
Station .........................................................................................Appx.3
Using the LR8410 as a Unit ........................................................Appx.4
iv
Introduction
HIOKI LR8520B960-06
Introduction
Thank you for purchasing the HIOKI LR8520 Wireless Fungal Logger. To obtain
maximum performance from the product, please read this manual rst, and keep it
handy for future reference.
There are the following instruction manuals available for this instrument. Please refer
to the appropriate manuals for the intended usage.
Model Manual contents
For customers who use this instrument for
Measurement Guide
Instruction Manual
(this manual)
Precautions Concerning
Use of Equipment That
Emits Radio Waves
Logger Utility*
User Manual
*: To install the PC application software, Logger Utility, see “3.3 Installing the Software” (p. 35).
For information about its operating procedure, see the Logger Utility User Manual contained in
the accompanying CD-R.
the rst time, this manual describes the basic
operation procedures.
Describes details of the functions, operations,
and specications of this instrument.
Precautions relating to use of equipment that
emits radio waves, countries in which the
instrument has been certied, etc.
Describes how to operate the PC application
software.
Printed
editionCDedition
–
–
–
–
Trademark
• Microsoft, Windows, and Microsoft Excel are either registered trademarks or
trademarks of Microsoft Corporation in the United States and other countries.
• The Bluetooth
SIG, Inc. and any use of such marks by Hioki E.E. Corporation is under license.
Other trademarks and trade names are those of their respective owners.
• Adobe and Adobe Reader are either trademarks or registered trademarks of Adobe
Systems Incorporated in the United States and other countries.
• Android and Google Play are trademarks of Google, Inc.
®
word mark and logos are registered trademarks owned by Bluetooth
1
Verifying Package Contents
HIOKI LR8520B960-06
Verifying Package Contents
• When you receive the instrument, inspect it carefully to ensure that no damage
occurred during shipping. In particular, check the accessories, panel keys,
and connectors. If damage is evident, or if it fails to operate according to the
specications, contact your authorized Hioki distributor or reseller.
Check the package contents as follows.
Instrument
LR8520 × 1
Accessories
Logger Application Disc (CD-R)*
• Instruction Manual (PDF)
• Logger Utility
• Wireless Logger Collector
• Logger Utility Instruction Manual (PDF)
*: The latest version of the application software can be
downloaded from our website.
Measurement Guide
Precautions Concerning Use of Equipment That Emits
Radio Waves
LR6 Alkaline battery × 2
L1010 Connection Cable (length approx. 1.5 m) × 1
2
Verifying Package Contents
HIOKI LR8520B960-06
Options
The options listed below are available for the instrument. To order an option, please
contact your authorized Hioki distributor or reseller.
Options are subject to change. Please check Hioki’s website for the latest information.
Z2010 Humidity Sensor
(Length including the sensor: Approx. 50 mm)
Z2011 Humidity Sensor (Cable length: Approx. 1.5 m)
Z2003 AC Adapter (power cord attached)
Z5004 Magnetic Strap
Z5020 Magnetic Strap
L1010 Connection Cable (length approx. 1.5 m)
Supported instrument
LR8410 Wireless Logging Station
3
Safety Notes
HIOKI LR8520B960-06
Safety Notes
This instrument is designed to conform to IEC 61010 Safety Standards, and has been
thoroughly tested for safety prior to shipment. However, using the instrument in a way
not described in this manual may negate the provided safety features.
Before using the instrument, be certain to carefully read the following safety notes.
DANGER
Mishandling during use could result in injury or death, as well as damage
to the instrument. Be certain that you understand the instructions and
precautions in the manual before use.
WARNING
If you do not have knowledge or experience of electrical measurements,
use this instrument under supervision of experienced personnel.
Notation
In this manual, the risk seriousness and the hazard levels are classied as follows.
DANGER
WARNING
CAUTION
IMPORTANT
Windows
Dialog Windows dialog boxes are referred to as dialogs.
[ ]
Indicates an imminently hazardous situation that will result in death or
serious injury to the operator.
Indicates a potentially hazardous situation that may result in death or
serious injury to the operator.
Indicates a potentially hazardous situation that may result in minor
or moderate injury to the operator or damage to the instrument or
malfunction.
Indicates information related to the operation of the instrument or
maintenance tasks with which the operators must be fully familiar.
Indicates a strong magnetic-eld hazard.
The eects of the magnetic force can cause abnormal operation of
heart pacemakers and/or medical electronics.
Indicates prohibited actions.
Indicates an action that must be performed.
Additional information is presented below.
Windows 7, Windows 8, and Windows 10 are referred to as
″Windows″, otherwise specied.
The names and keys on the screen including menus, commands,
dialogs, dialog button names, etc. are enclosed in brackets [ ].
4
Symbolsaxedtotheinstrument
HIOKI LR8520B960-06
Indicates cautions and hazards. When the symbol is printed on the instrument,
refer to a corresponding topic in the Instruction Manual.
Indicates a grounding terminal.
Indicates DC (Direct Current).
Symbols for various standards
Indicates the Waste Electrical and Electronic Equipment Directive (WEEE
Directive) in EU member states.
Indicates that the instrument conforms to regulations set out by the EU Directive.
Indicates that the product incorporates Bluetooth® wireless technology.
Safety Notes
FCC ID
Indicates the ID number of the wireless module certied by the U.S. Federal
Communications Commission (FCC).
Indicates the identication number of a wireless module approved by Industry
IC
Canada (IC).
Screen display
The instrument screen displays the alphanumeric characters as follows.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
1 2 3 4 5 6 7 8 9 0
5
Safety Notes
HIOKI LR8520B960-06
Accuracy
We dene measurement tolerances in terms of rdg. (reading) and dgt. (digit) values,
with the following meanings:
(Maximum display value or scale length/range)
f.s.
rdg.
dgt.
The maximum displayable value or scale length. This is usually the name of
the currently selected range.
(Reading or displayed value)
The value currently being measured and indicated on the measuring
instrument.
(Resolution)
The smallest displayable unit on a digital measuring instrument, i.e., the input
value that causes the digital display to show a “1” as the least-signicant digit.
Measurement categories
To ensure safe operation of measuring instruments, IEC 61010 establishes safety
standards for various electrical environments, categorized as CAT II to CAT IV, and
called measurement categories.
DANGER
• Using a measuring instrument in an environment designated with
a higher-numbered category than that for which the instrument
is rated could result in a severe accident, and must be carefully
avoided.
• Using a measuring instrument without categories in an environment
designated with the CAT II to CAT IV category could result in a
severe accident, and must be carefully avoided.
CAT II: When directly measuring the electrical outlet receptacles of the primary
electrical circuits in equipment connected to an AC electrical outlet by a
power cord (portable tools, household appliances, etc.)
CAT III: When measuring the primary electrical circuits of heavy equipment (xed
installations) connected directly to the distribution panel, and feeders from
the distribution panel to outlets
CAT IV: When measuring the circuit from the service drop to the service entrance,
and to the power meter and primary overcurrent protection device
(distribution panel)
6
Distribution panel
Service entrance
Service drop
CAT IV
Power meter
Internal wiring
CAT III
Fixed installation
CAT II
Outlet
Usage Notes
HIOKI LR8520B960-06
Usage Notes
Follow these precautions to ensure safe operation and to obtain the full benets of
the various functions.
Bluetooth
This instrument, the LR8410 uses radio waves of a band frequency of 2.4 GHz.
No radio station license is required to use this product, however, be aware of the
following.
®
WARNING
• Do not use this instrument in a system that requires high safety and
reliability.
• Do not use this instrument near any medical equipment, such as a
pacemaker, etc.
• Do not modify, disassemble, or repair the instrument.
CAUTION
• If this instrument is used near any equipment that uses the same
frequency band, such as wireless LAN equipment, etc., communications
may become unstable or other equipment may be aected.
• The line-of-sight distance between the instrument and the LR8410 is
30 m. If there is an obstacle (wall, metal screen, etc.), communications
may become unstable or the communications distance may become
shorter. In addition, even if multiple instruments are installed in the same
environment, each instrument may show a dierent radio-eld strength
(antenna-like indication).
• Communications between the instrument and the LR8410 are encrypted
by SSP, however, the condentiality of any information is not guaranteed.
We are not responsible for any leakage of measurement data by wireless
communications.
• This instrument, the LR8410 generates electric waves. Usage of electric
waves requires permission and authorization in each country. Using
electric waves in any country or region other than the ones listed in
the attached document “Precautions Concerning Use of Equipment
That Emits Radio Waves” is against the law and may be subject to
punishment.
When the instrument is positioned on a stand instead of directly on the oor,
communications can become more stable.
7
Usage Notes
HIOKI LR8520B960-06
Check before use
Verify that it operates normally to ensure that no damage occurred during storage or
shipping. If you nd any damage, contact your authorized Hioki distributor or reseller.
Installation
WARNING
Installing the instrument in inappropriate locations may cause a
malfunction of the instrument or may give rise to an accident. Avoid
the following locations.
• Exposed to direct sunlight or high temperature
• Exposed to corrosive or combustible gases
• Exposed to water, oil, chemicals, or solvents
• Exposed to high humidity or condensation
• Exposedtoastrongelectromagneticeldorelectrostaticcharge
• Exposed to high quantities of dust particles
• Near induction heating systems (such as high-frequency induction
heating systems and IH cooking equipment)
• Susceptible to vibration
For details on the operating temperature and humidity, see the
specications.
• This instrument is not drip-proof. Water that drips on the connector could
• Do not allow any condensation to form. Condensation can form
• Do not allow the instrument to become wet or take measurements with
• Do not position the instrument on an unstable table or inclined surface.
Handling of this instrument
Avoid any vibration or impact to prevent damage to the instrument during
transportation and handling. Be especially careful regarding the impact by
a fall.
This instrument may cause interference if used in residential areas. Such use must
be avoided unless the user takes special measures to reduce electromagnetic
emissions to prevent interference to the reception of radio and television broadcasts.
8
CAUTION
cause a malfunction.
particularly in an environment where the temperature changes drastically.
wet hands. Doing so may cause a malfunction.
When the instrument falls or tips, an injury or malfunction can occur.
CAUTION
Handling of cords and cables
HIOKI LR8520B960-06
Makesuretousethespeciedpowercordwhenusingtheinstrument.
Otherwise,aremaybecaused.
• Avoid stepping on or pinching the cables to prevent damage to the
cables. Do not bend or pull the cables.
• To prevent any wires from breaking, pull on the connector end, not the
cable, to disconnect the output connector.
• To prevent any wires from breaking, pull on the connector end, not the
cord, to disconnect the power cord from the outlet or the instrument.
• The cables become sti below 0°C. If the cables are bent or pulled in this
condition, the cable insulation may be damaged or the wires may be cut.
• Observe the following precautions when making a connection to the
alarm output terminal to prevent damage to the instrument.
(1) Turn o the power to the instrument to be connected before making a
connection.
(2) Do not make any connection that exceeds the rating of the alarm
output terminal.
Maximum rating: 30 V DC, 200 mA
Usage Notes
WARNING
CAUTION
Position the sensor cable away from the power line or ground cable.
Before turning on the power
• When operating the instrument using a UPS (uninterruptible power
• Make sure that the power voltage connection is correct. Connection
The instrument and measurement unit will not fail due to a momentary power
failure under 40 ms. If the power failure is longer than 40 ms, the power may be
shut o temporarily. Install the instrument in consideration of power conditions at
the installation location.
CAUTION
supply) or DC-AC inverter, do not use any square-wave and pseudo sinewave UPS or DC-AC inverter. Doing so may damage the instrument.
errors could damage the internal circuit.
9
Usage Notes
HIOKI LR8520B960-06
Magnet of the optional strap
Those with medical electronics such as pacemakers should not use
the Z5004/Z5020 Magnetic Strap. Nor should such persons approach
the Z5004/Z5020. It is extremely dangerous. The electronics may not
operate properly and the life of the operator may be put at great risk.
Swallowing magnets could be life-threatening. Keep any magnets
out of reach, especially of small children. If you accidentally swallow
magnets, immediately seek medical attention.
• Do not use the Z5004/Z5020 in locations where it may be exposed to
rainwater, dust, or condensation. In those conditions, the magnet may be
decomposed or deteriorated. The magnet adhesion may be diminished.
In such case, the instrument may not be hung in place and may fall.
• Do not bring the Z5004/Z5020 near magnetic media such as oppy disks,
magnetic cards, pre-paid cards, or magnetized tickets. Doing so may
corrupt and may render them unusable. Furthermore, if the Z5004/Z5020
is brought near precision electronic equipment such as PCs, TV screens,
or electronic wrist watches, they may fail.
• Keep magnets away from any impact by a fall. The magnets may chip or
crack due to impact.
DANGER
WARNING
CAUTION
10
AC adapter
HIOKI LR8520B960-06
• Make sure to use the optional Z2003 AC Adapter. The rated power
voltage for the AC adapter is 100 V to 240 V AC and the rated
power frequency is 50 Hz/60 Hz. Do not use the AC adapter at any
voltage other than the above to avoid damage to the instrument and
electrical accidents.
• Before turning on the power, make sure that the power voltage
indicated on the AC adapter matches the power voltage to be used.
UsingtheACadapteroutsidethespeciedpowervoltagerange
could cause damage to the instrument or AC adapter or electrical
accidents.
• Connect the output plug to the instrument and then connect the plug to
an outlet. Connecting the energized output plug to the instrument may
damage the instrument.
• When connecting an external power supply, connect the output plug to
the instrument and then supply external power.
Handling of batteries
Usage Notes
WARNING
CAUTION
• Do not short circuit, disassemble, or incinerate batteries. Do not
• In order to prevent electric shocks, remove measurement cables
• After battery replacement, reattach and screw down the battery
• To prevent damage to the instrument or electric shocks, make sure
WARNING
charge alkaline batteries. Doing so may cause an explosion. Handle
and dispose of batteries in accordance with local regulations.
and then replace the batteries.
cover before use.
to use the battery cover screw (screw with a spring) that is attached
atthetimeofshipment.Ifyoulosethescreworspringorndany
damage, contact your authorized Hioki distributor or reseller.
11
Usage Notes
HIOKI LR8520B960-06
CAUTION
Poor performance or damage from battery leakage could result. Observe
the cautions listed below.
• Do not mix new and old batteries, or dierent types of batteries.
• Be careful to observe the battery polarity during installation. Poor
performance or damage from battery leakage could result.
• Do not use batteries after their recommended expiry date.
• Do not allow used batteries to remain in the instrument.
• To avoid corrosion from battery leakage and/or damage to the instrument,
remove the batteries from the instrument if it is to be kept in storage for
an extended period.
IMPORTANT
The displayed remaining battery level may be dierent from the actual remaining
battery level due to the battery characteristics, settings during use, temperature or
consumption level. When a battery is used in a low temperature environment or
a weak and deteriorated battery is used, the power may shut o regardless of the
battery indicator display.
Batteries
The battery indicator display and battery life are based on the use of a new alkaline
battery.
Use of nickel-metal hydride batteries
When nickel-metal hydride batteries are used, the battery indicator display does
not operate correctly.
The battery life varies depending on the capacity, charging condition, deterioration
due to repeated use, etc. Use batteries in consideration of the factors above.
Use of manganese dioxide batteries
Do not use manganese dioxide batteries as the instrument may not be able to
measure or communicate.
12
Usage Notes
HIOKI LR8520B960-06
Wire connection
DANGER
Do not permanently connect the instrument in an environment where
there is a possibility of surges exceeding the dielectric withstand voltage.
Doing so may damage the instrument and result in personal injury.
WARNING
Donotconnectanyequipmentotherthanthespeciedtemperature
and humidity sensor to the instrument. Doing so may cause electric
shocks or damage to the instrument.
The power supply ground and alarm output terminal (ground) are
common and not isolated. When using an external power supply, use
an isolated external power supply or connect the wires so that there
isnopotentialdierencebetweenthegroundoftheexternalpower
supply and the object for which an alarm is to be output to prevent
damage to the instrument or electric shocks.
Handling of CD
• Do not allow any dirt or scratches on the disk recording surface. When writing on
the label face, use a pen with a soft tip.
• Store the disk in a protective case and do not expose the disk to direct sunlight
or high temperatures and humidity.
• We are not responsible for any trouble in the Windows
this disk is used.
®
computer system when
13
Usage Notes
HIOKI LR8520B960-06
Handling of temperature and humidity sensor
CAUTION
• The temperature and humidity sensor is not dustproof or waterproof. Do
not use the sensor in locations where it may be exposed to dust or water.
It may cause a malfunction of the instrument.
• The temperature and humidity sensor is not drip-proof. Water that drips
onto the connector could cause a malfunction.
• Sensor sensitivity and precision will degrade over time, even under normal
operating conditions. To maintain the instrument’s ability to make measurements
that conform to the accuracy specications, it is recommended to replace the
temperature and humidity sensor with a new unit once it has been used for one
year after being opened.
• When the sensor is used outside the specied operating (storage) environment,
the sensor accuracy may deteriorate even within the 1 year accuracy warranty
period and accurate measurement cannot be performed.
• In principle, the surface of the instrument’s temperature and humidity sensor
may become contaminated if exposed to an environment containing organic
gases (ketone, acetone, ethanol, toluene, etc.), increasing the error component
of humidity measurement.
• Do not expose the temperature and humidity sensor to any concentrated
chemical solvent for an extended period of time while it is used or stored.
• The sensor may become contaminated by organic gases released from some
types of vinyl chloride and packaging material.
• When the temperature and humidity sensor is not used, place it with a drying
agent in a plastic bag, seal the bag completely, and store it in a cool, dark place.
• Do not allow any condensation to form. Condensation can form particularly in
any environment where the temperature changes drastically.
• This instrument does not come with a guarantee against any problem when the
sensor is used outside the specied operating (storage) environment.
• Due to a humidity change (from low to high humidity or high to low humidity),
up to ±1% RH of change (hysteresis) occurs in the measured humidity value.
Precautions during shipment
• To avoid damaging the instrument, remove accessories and options from
• Avoid any vibration or impact to prevent damage to the instrument and
14
CAUTION
the instrument.
humidity sensor during transportation and handling. Be careful especially
with impact by a fall.
1
HIOKI LR8520B960-06
Overview
1.1 Overview and Features
Possible fungal growth at a glance
A fungal index enables you to predict a time period before fungal growth starts.
Easy operation
You can start recording immediately by pressing the REC/STOP key as soon as the
instrument is installed. Data is collected and managed as a batch by the terminal.
Analyze the data using the software provided with the instrument.
LR8520
Android
tablet
Mass memory installed
The memory capacity per channel is 500,000 data units.
3-way power supply
You can choose a power supply from LR6 alkaline batteries, AC adapter, and external
power supply (5 V to 13.5 V).
Compatible with HIOKI LR8410
When the instrument is used as a unit for the LR8410, data can be collected in real time.
For the connection procedure, see the instruction manual for each instrument.
LR8520
smartphone
LR8410
Android
Windows
LAN/USB
communications
®
PC
Windows® PC
15
Fungal Index
40
HIOKI LR8520B960-06
1.2 Fungal Index
A fungal index is an indicator to help predict how
fungi are likely to grow. Fungal growth correlates
with temperature and relative humidity and a
fungal index can be calculated from temperature
and relative humidity.
30
20
7
20
40
80
160
It is mainly used to quantitatively indicate the
climate of fungal growth indoors as a numerical
value (Japanese Patent Number 2710903).
The instrument calculates a fungal index between
0 and 200 from temperature and humidity using a
highly accurate temperature and humidity sensor.
Fungal
index
1 2 months 10 years or more • Dry area
2 1 month 8 years
5 2 weeks 3 years
10 5 days 2 years
20 3 days 1 year • Underoor
50 1 day 4 months
100 12 hours 2 months
200 6 hours 1 month
Fungal contamination starts even more quickly in an environment where the contamination is
already progressing or fungi are fed and nourished.
Time period before
fungal growth starts
(estimate)
Time period before
fungal contamination
starts (estimate)
10
Temperature [°C]
0
70 80 90 100
Relative humidity [% RH]
Example of indoor living
environment
• Living space
• Closet
• Shoe cabinet
• Bathroom
• Inside air-conditioner during
cooling operation
Predicted fungal growth
Fungal growth is predicted at 5 levels (measurement value: 0 to 4) from the
accumulated fungal index.
The following symbols appear in the display of the instrument.
(No symbol)
No new
spores are
growing.
Measurement
value: 0
A fungal index is a highly reliable indicator based on academic research,
however, it does not guarantee that fungal growth is completely controlled in any
environment with a low fungal index.
16
A hypha
starts
extending.
Measurement
value: 1
New spores
are growing.
Measurement
value: 2
Spores start
spreading.
Measurement
value: 3
A lot of spores
are spreading
(the spore
part in the
display blink).
Measurement
value: 4
1.3 Parts Names and Functions
HIOKI LR8520B960-06
Front Rear
(Common areas of each model are described.)
Parts Names and Functions
Display
Battery cover
1 2 3
Operation keys Pressbriey Hold down (for at least 2 seconds)
Power
1
Display
2
Measurement
3
Left side
Serial number label
The serial number consists of 9
digits. The rst two (from the left)
indicate the year of manufacture,
and the next two indicate the month
of manufacture.
It is necessary for production control
requirements such as the product
warranty. Do not peel o the label.
AC adapter connection
terminal
Bluetooth ON/OFF Power ON/OFF
Display change
YES (During operation
verication)
NO (During operation
verication)
Measurement start/stop
―
Right side
Sensor connection
terminal
Alarm output terminal
(p. 25)
(p. 27)
(p. 22)
17
Parts Names and Functions
HIOKI LR8520B960-06
Display
1 4
2 3
Display Description
1
2
Channel (CH)
Blinking: During monitoring
Maximum value
MAX
MIN
Minimum value
AVG
Average value
Data number
Unit number (1 to 7)
Date and time
Operation verication
Measurement
Lit: Performing measurement
Blinking: Waiting for a
measurement start to be
preset
Alarm
Lit: The current measurement
value is outside the range.
Blinking: There was a value
that was outside the range
but the current value is in the
range. (Alarm hold)
Display Description
2
3
4
Fungal index display
Predicted fungal growth display
Average recording mode
AVG
MODE
(Not used for this instrument)
Lit: Bluetooth ON
Blinking: Bluetooth OFF
(The power saving function is
enabled.)
O: Bluetooth OFF
Bluetooth connection status
(3 levels)
(Signal strength
1: Weak to 3: Strong)
Blinking: Security lock
O: Bluetooth not connected
Operating with the AC adapter
Battery indicator display
(p. 24)
Displays the unit of
measurement values.
• While the Bluetooth is being connected (the antenna symbol ( ) is lit), it cannot
be turned o.
• The power cannot be turned o during measurement.
• During real-time measurement using the LR8410 Wireless Logging Station, the
measurement cannot be stopped with key operation on the instrument.
18
1.4 DisplayConguration
HIOKI LR8520B960-06
Display Conguration
Fungal index
Time
Date
*4
*4
*1, *2, *5
Temperature and humidity measurement value
Fungal index statistic (maximum and minimum)*
Screen
change
Fungal index statistic (average value)
Temperature and humidity statistic (maximum)
*1, *2, *5
1, *2, *5
*1, *2, *5
*1, *2, *5
Unit number (1 to 7)
Number of measurement data
*3
Temperature and humidity statistic (minimum)
*1, *6
Temperature and humidity statistic (average)
*1, *2, *5
*1, *2, *5
19
Display Conguration
HIOKI LR8520B960-06
*1
Update for each sample during measurement.
*2 The unit of the channel for which the scaling setting is ON is not displayed. If it matches the
unit for which a segment is prepared, however, the unit is displayed.
*3 It is displayed only when connected to the LR8410.
*4 The current time is set from the wireless logger collector. (p. 75) It can also be set from
the LR8410. For more details, refer to the LR8410 instruction manual.
*5 When scaling is set to ON, the allowable display range is indicated in the following table.
Scaling
displayed
digit setting
Automatic -10,000 or less ±0.001 to ±9,999 +10,000 or more Less than ±0.001
0 digit -10,000 or less ±1 to ±9,999 +10,000 or more Less than ±1
1 digit -1,000.0 or less ±0.1 to ±999.9 +1,000.0 or more Less than ±0.1
2 digits -100.00 or less ±0.01 to ±99.99 +100.00 or more Less than ±0.01
3 digits -10.000 or less ±0.001 to ±9.999 +10.000 or more Less than ±0.001
*6 If the value is 10,000 or more, it is displayed at the top and bottom.
U.F display
(Underow)
Allowable
display range
O.F. display
(Overow)
0 display
(Zero)
20
2
HIOKI LR8520B960-06
Before using the instrument, make sure to refer to “Usage Notes” (p.7).
Preparation for Measurements
2.1 Inspection Before Use
Before using the instrument for the rst time, verify that it operates normally to ensure
that no damage occurred during storage or shipping. If you nd any damage, contact
your authorized Hioki distributor or reseller.
“Before sending the instrument for repair” (p.127)
Checking the instrument appearance and operation
Check item Action
Is there any damage to the
instrument and connection cable?
Does the display turn on when
the power is turned on/batteries
are inserted?
Does the battery indicator
display
Is the temperature and humidity
value displayed?
?
If it is damaged, there is a risk of electric shocks. Do not
use the instrument but instead send it for repair.
If the display does not turn on, send the instrument for
repair.
When is displayed, replace the current batteries with
new batteries.
If the temperature and humidity values are not displayed,
completely insert the Z2010 or Z2011 Temperature and
Humidity Sensor.
21
Inserting/Replacing Batteries
HIOKI LR8520B960-06
2.2 Inserting/Replacing Batteries
Insert two LR6 Alkaline batteries. Before measurements, check that the battery level
is sucient. When the battery charge is low, replace the batteries.
CAUTION
Stop measurement and then replace the batteries. Replacing the
batteries during measurement may damage the data.
IMPORTANT
Batteries
The battery indicator display and battery life are based on the use of a new
alkaline battery.
Use of nickel-metal hydride batteries
When nickel-metal hydride batteries are used, the battery indicator display does
not operate correctly.
The battery life varies depending on the capacity, charging condition, deterioration
due to repeated use, etc. Use batteries in consideration of the factors above.
Use of manganese dioxide batteries
Do not use manganese dioxide batteries as the instrument may not be able to
measure or communicate.
• Even when the batteries are low in charge or replaced, the data and
measurement conditions saved in the instrument are not deleted.
• When the battery voltage drops to the point where the
instrument cannot operate properly, the screen on the
right is displayed. Measurement or communications
cannot be made in this condition. When the Z2003 AC
Adapter is connected or the batteries are replaced, the
instrument returns to the normal operation.
22
Installation (Replacement)
HIOKI LR8520B960-06
WARNING
To prevent damage to the instrument or electric shocks, make sure
to use the battery cover screw (screw with a spring) that is attached
atthetimeofshipment.Ifyoulosethescreworspringorndany
damage, contact your authorized Hioki distributor or reseller.
Required items
LR6 Alkaline battery × 2, Phillips screwdriver (No. 2)
Remove the connection cables.
1
Using a Phillips screwdriver, remove the
2
screw (1 location) from the battery cover.
The screw cannot be removed from the
battery cover. Do not try to remove the screw
forcefully.
3
2, 7
6
Slide up and remove the cover.
3
Inserting/Replacing Batteries
5
4
Remove the old batteries (for battery
4
replacement).
Insert new batteries, being careful with the
5
battery polarity.
Slide down and reattach the battery cover.
6
Secure the cover with the screw.
7
23
Inserting/Replacing Batteries
HIOKI LR8520B960-06
When batteries are installed, the following screen is displayed.
All indicators on Model Version number
Battery indicator display
Displayed at the upper right corner of the display.
Fully charged.
As the battery charge diminishes, black charge bars disappear, one by one, from
the left of the battery indicator.
The battery voltage is low. Replace the batteries as soon as possible.
(Blinks) The battery is drained. Recording or communications cannot be made in
this condition.
O
The battery indicator display turns o when the AC adapter or an external power
supply is connected.
IMPORTANT
Thedisplayedremainingbatterylevelmaybedierentfromtheactual
remaining battery level due to the battery characteristics, settings during
use, temperature or consumption level. When a battery is used in a low
temperature environment or a weak and deteriorated battery is used, the
powermayshutoregardlessofthebatteryindicatordisplay.
Battery life indication
The battery life varies depending on the recording interval.
Real-time measurement
Bluetooth ON
Manual data collection
Bluetooth ON
Manual data collection
Bluetooth OFF
24
Recording interval
0.5 sec. 1 sec. 10 sec. 1 min.
Approx. 5 days Approx. 7 days Approx. 10 days Approx. 14 days
Approx. 20 days Approx. 20 days Approx. 20 days Approx. 20 days
Approx. 2.5
months
Approx. 3
months
Approx. 3.5
months
Approx. 3.5
months
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