WIRELESS HUMIDITY LOGGER LR8514

Temperature and Humidity Data Logger for Managing Production Plants and Agricultural Sites

Hioki Memory HiLoggers are high-speed data loggers for recording multiple channels of voltage, temperature, resistance or humidity signals, some models providing complete isolation between channels and strong noise resistance. The Hioki LR8514 Wireless Humidity Logger provides easy, wireless collection of temperature and humidity data, and is the ideal tool for managing the environmental condition of production plants and agricultural sites.

Key Features

  • High-precision, ±3% RH humidity sensor
  • Convenient for simultaneously recording and comparing temperature and humidity readings at 2 locations
  • Compact, two-channel model fits where other devices don’t
  • Download measurement data to a tablet or computer with Bluetooth® wireless technology or capture in real time with the LR8410
  • Three-way power (AC adapter, AA alkaline batteries, or external 5 to 13.5 V power supply)
  • Store 500,000 data points per channel

Model No. (Order Code)

LR8514 2 ch, sensor is sold separately
Note: The LR8514 alone is not capable of making measurements. Only the temperature and humidity sensors affect the measurement accuracy and are subject to calibration. The LR8514 logger does not require calibration. For the latest information about countries and regions where wireless operation is currently supported, please see the "Specifications" tab. Bluetooth® is a trademark of Bluetooth SIG, Inc. and licensed for use by HIOKI E.E. CORPORATION.
  • Get it on Google Play

Data can be downloaded to tablets and smartphones using Hioki’s dedicated app "Wireless Logger Collector" available from the Google Play (for Android devices).

QR Code link to Hioki’s Android app*

Scan this QR Code with an Android device to access the Google Play download page directly
*QR Code is a registered trademark of Denso Wave Incorporated.

A compact 2-channel humidity logger that’s ideal for recording temperature and humidity

For applications such as
Easily record and manage the surrounding temperature and humidity.
● Construction
● Factories
● Storage
● Agriculture
● Comparison of temperature and humidity levels inside and outside a piece of equipment

A wireless logger whose data can be captured by a smartphone or PC

Built-in Bluetooth(R) wireless technology.

Use your tablet or PC to collect data even as signals are being logged.

No matter what time during measurement you collect the data, data is automatically merged together into one single file.
Review data trends by observing waveforms and numerical values right there in the field.

Real-time monitoring

By using the Hioki LR8410-20 to acquire data, you can view the waveforms in real time.

Furthermore, previous waveforms can be viewed while the device is taking measurements.

A compact wireless logger that you can place anywhere

Pocket size for installation anywhere.
Use the optional MAGNETIC STRAP to hang it on a wall – solving all of your installation space problems.

Installing a data logger in a switchboard or control panel has never been easier.
Gone is the need to feed wiring through the panel-data collection is done wirelessly so you can close the panel door for safe measurements.

The loggers are also useful for measuring in difficult-to-wire locations, like high places or on moving machines.

Power with AA batteries or an AC adapter

The logger will operate for about 20 days on two AA-size alkaline batteries.
(Recording interval: 1 sec, with Bluetooth(R) ON)

Since the batteries will last longer the less time the Bluetooth(R) function is operating, the instrument features a power-saving function that automatically turns on the Bluetooth(R) circuit during predefined time periods.

While communications are disabled, data is reliably stored in the instrument’s large built-in memory, which can hold 500,000 data points per channel.

Use the AC adapter to record data over extended periods of time with peace of mind.

Basic specifications

Functionality [Used as standalone product (Data collected manually) ]
Windows PC or Windows tablet (CD-R with software included)
Android smartphone or Android tablet terminal
(Software can be downloaded free of charge from Google Play.)
*Communication range varies with the performance of the computer or tablet (up to a line-of-sight distance of roughly 30 m)
[Used as logging module (Real-time measurement) ]
Device can be used as an LR8410 logging module to record and display data in real time and to control up to 7 units, Communication distance: 30 m
Number of channels 2 ch for temperature + 2 ch for humidity (2 sensors can be attached)
Measurement items Temperature, Humidity
Measurable Range [Temperature] -40 ˚C to 80 ˚C, Range 100˚C f.s., Max. resolution 0.1˚C
[Humidity] 0 to 100% RH, Range 100% RH f.s., Max. resolution 0.1%RH
Measurement accuracy
(using Z2010/ Z2011)
[Temperature basic accuracy] ±0.5 ˚C (10 to 60 ˚C)
*If outside above temperature range: Add 0.015 ˚C/ ˚C (-40 to 10 ˚C) or 0.02˚ C/ ˚C (60 to 80 ˚C)
[Humidity basic accuracy] ±3% RH (20 to 30 ˚C, 20 to 90% RH), Hysteresis: ±1% RH (Added to the humidity measurement accuracy)
Display items Measurement value, date, time, number of recorded data, maximum value, minimum value, and average value
Functions Alarm, Scaling, Recording operation hold function, Erroneous operation prevention, Comment recording function, Power saving function, Authentication function, Free run
Recording [Capacity] 500,000 data items for each channel [Mode] Instantaneous value [Interval] 0.5 to 30 sec, 1 to 60 min, 14 selections
Power source AC Adapter Z2003 (100 to 240 V AC, 50/60 Hz), AA alkaline batteries (LR6) ×2, External power 5 to 13.5 V DC (can also be supplied from USB bus power, with a conversion cable)
Continuous operating time
([Capacity] 500,000 data items for each channel) (23˚C)
3.5 months (Recording interval of 1 min, Bluetooth® OFF), 20 days (Recording interval of 1 sec, Bluetooth® ON), 5 days (Recording interval of 0.5 sec, during real-time measurement with the LR8410)
Dimensions and mass 85 mm (3.35 in) W × 61 mm (2.40 in) H × 31 mm (1.22 in) D (Excluding protrusions), 95 g (3.4 oz) (Not including the battery)
Accessories CD-R ×1 (Instruction Manual, Logger Utility, Wireless Logger Collector), Measurement Guide ×1, Caution for Using Radio Waves ×1, AA alkaline batteries (LR6) ×2

Countries and regions where wireless operation is currently supported (LR8514)

Last update: October 2021
Countries and regions where wireless operation is currently supported Australia, Austria, Bangladesh, Belgium, Bulgaria, Canada, Chile, China, Colombia, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Georgia, Germany, Greece, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Israel, Italy, Japan, Kenya, Latvia, Liechtenstein, Lithuania, Luxembourg, Macao, Malta, Myanmar, Netherlands, New Zealand, Norway, Poland, Portugal, Romania, Singapore, Slovakia, Slovenia, Spain, Sweden, Switzerland, Taiwan, Thailand, Turkey, United Arab Emirates (UAE), United Kingdom, United States, Viet Nam
Note Use of devices that emit radio radiation requires approval in the country of use. Thus, use of the instrument in a country or region where they have not been approved may be subject to penalty as a violation of law.

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