GrainSense Measuring Device Manual de usuario
GrainSense
User Manual
april 2019
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GRAINSENSE USER MANUAL
Imprint
Issue: 04.2019
Manufacturer
GrainSense Oy
Tutkijantie 9
90590 Oulu
Finland
Contact details can be found on the back page of this
manual.
Information
The information included in this manual corresponds
with our current state of knowledge and is no claim for
completeness. The recommended usage instructions are
non-binding.
Always refer to the latest version of the User Manual.
Declaration of conformity
GrainSense device comes with type label included.
It proves that the device conforms with applicable
regulations. The Declaration of Conformity is available
upon request.
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Table of contents
Imprint...................................................................... 2
Table of contents ............................................................ 3
1. Information for correct use ................................................. 5
1.1 Correct use ...............................................................5
1.2 Measurement errors ......................................................5
1.3 Exclusion of warranty .....................................................5
2. Products .................................................................. 6
2.1 The GrainSense device ....................................................7
2.1.1 Mode of function......................................................7
2.1.2 Scope of supply .......................................................7
2.1.3 Technical specifications ..............................................8
2.1.4 Overview of the device ................................................9
2.2 GrainSense cloud services ................................................10
2.2.1 GDPR Guidance .....................................................10
2.2.2 Data infrastructure and protection ....................................10
2.2.3 User registration .....................................................10
2.2.4 Data handling .......................................................11
2.2.4 User data control ....................................................11
2.3 Mobile application .......................................................11
2.4 Farmer DashBoard.......................................................11
3. Operation ................................................................ 12
3.1 Starting up ..............................................................12
3.1.1 Downloading the application from the app store ........................12
3.1.2 Registering to GrainSense cloud.......................................12
3.1.3 Login to an account ..................................................13
3.1. 4 Connecting the device and mobile phone ..............................13
3.1. 5 Configuring the device ...............................................14
3.2 Requirements for reliable measurements ..................................14
3.3 Doing a measurement ...................................................15
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3.3.1 Sample size and placement of kernels on the tray ......................15
3.3.2 Measurement procedure .............................................16
3.3.2.1 Pairing the device and the phone ....................................17
3.3.2.2 Taking a measurement .............................................18
3.3.2.3 Viewing the results, adding notes and averaging and sharing results . . . 19
3.4 Maintenance and servicing ...............................................20
3.4.1 Updating the calibrations on the device ................................20
3.4.2 Replacing the batteries...............................................20
3.4.3 Cleaning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.4.4 Transport and storage ...............................................20
3.4.5 Disposal.............................................................20
4. Help ..................................................................... 21
4.1 Troubleshooting .........................................................21
4.2 FAQ .....................................................................22
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1. Information for correct use
Please read this user manual carefully before using the GrainSense
solution. Incorrect use of the GrainSense device can lead to wrong
measurements of grain quality which may affect decision making.
1.1 Correct use
The following points must be observed in order to use the device in a
correct manner:
• 3.2 Requirements for reliable measurements from Operation part
(page 14)
• Adherence to the maintenance and servicing instructions from (page 20)
The device can be used during light rain. The device must never be
completely soaked or immersed in water.
1.2 Measurement errors
Observe the following points in order to avoid incorrect measurements:
• Do not take measurements when kernels are green or unripened,
GrainSense calibration does not include green colors and
measurements results cannot be assured to be accurate in such case
• Do not perform all measurements on the same plant when measuring a
component average content for the field
• Do not perform all measurements on a small area of the field when
measuring a component average content for the field
• Do not measure using an old calibration version, remember to connect
regularly the device to your phone to save data and update the latest
calibrations
• Do not measure if there is water/humidity on the tray as it will affect
moisture measurement
• Do not measure if batteries are too low, change the batteries every 50 to
150 measurements depending on battery quality and type of use
1.3 Exclusion of warranty
The manufacturer is not liable for the following damages to the device:
• Damage to the device following impacts or vibration
• Damage to the device resulting from penetrating moisture or dust
• Damage to the display resulting from pressure application and
scratches
• Malfunctions from cleaning the sample tray with cleaning agents
containing alcohol or other chemicals
• Damage caused by heat or intensive solar radiation: The device must
not be placed in the immediate vicinity of heat sources or be exposed to
direct sunlight
• Incorrect storage (see Transport and storage on page 20)
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The three pillars in the GrainSense system are connected as follows:
1. GrainSense Device measures and analyzes protein, moisture,
carbohydrates and oil contents from any calibrated species and
interacts with the GrainSense Mobile application via Bluetooth.
2. The mobile application connects with cloud account and uploads
calibration and other settings to the Device and measurements
results to the database.
3. A cloud-based database and API to store the measurement
results and provide updated calibrations to the Devices (via Mobile
application). The cloud services include the GrainSense Mobile App
and the Farmer Dashboard.
2. Products
The key components of the GrainSense solution are the GrainSense
device, mobile application, and cloud-based database.
GrainSense
Measuring
Device
GrainSense
Cloud
Services
GrainSense
Mobile App
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2.1 The GrainSense device
2.1.1 Mode of function
The technical principle of the device is based on near-infrared
spectroscopy by transmittance in the third overtone spectral range. This
technique has been available in labs for years, but GrainSense is the first
that has been able to incorporate it into a handheld device.
Optical method comparison
2.1.2 Scope of supply
When buying a GrainSense device, the end-user receives a package that
includes the following content:
• GrainSense device
• AA batteries (installed)
• A set of 4 GrainSense sampling spoons
• Official Cap
• Carrying case
• Quick guide
Diffuse reflection
Traditional laboratory method
- Small fraction of the sample is
measured
- Requires expensive infrared
detectors
- Long measurement time
Diffuse transmission
Advanced laboratory method
- Wet sampling not possible
- Requires large sample
- Long measurement time
- Technology complicated for
portable and affordable
devices
GrainSense
360˚ light penetration method
(integration sphere)
+ Works with simpler and
more affordable technology
+ Device can be small
+ Enables small samples
+ Wider use than grain
as other types of samples
possible
+ Short measurements time
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2.1.3 Technical specifications
Technical specifications
Size Hand-held (footprint 270 mm x 115 mm)
Weight 820 grams (without batteries)
Batteries 6 x AA Alkaline (recommended to use batteries
designed for industrial/heavy use)
Battery operation 50 to 150 measurements depending on battery
quality and type of use
Measurement principle Near infrared transmittance spectroscopy
Sample size ≈ 3 grams (60–80 cereal kernels)
Measurement time About 30 seconds, including the device warm-up
and the user loading the sample
Species
E.g. wheat, barley, rye, oat and rapeseed
New species can be added according to needs /
Note: Species are country specific
Operational conditions +5 to +45 C
20 to 90 % RH (non condensing)
Storage temperature -10 to +60 C
Protection Designed for outdoor use - except raindrops on the
sample tray will affect the moisture result
Bluetooth LE 4.1
Language Multiple languages (based on ISO 8859-1 character
set)
Mobile application Android/iOS
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2.1.4 Overview of the device
GrainSense device is a handheld and battery-powered device which
measures grain kernels in the field and determines protein (% dry
base), moisture (% wet base), carbohydrates (% dry base), and oil
(% dry base) contents. Those concentration units are default units for
cereals in European countries; calculation of percentages can be of any
combination of wet, dry or fixed moisture.
The device has:
• A LCD display
• A dedicated power button
- Power off by pressing the button until the display turns off
• Up and down arrow buttons to select and change view content
- If arrows are shown in the screen
• A confirmation button to move to the next phase of the
measurement process
• A Bluetooth LED to indicate a connection
- Blink: seeking connection
- Steady: connected
• A power LED to indicate battery levels
- Green: battery good
- Red: change batteries as soon as possible
Note! As batteries differ widely in performance, the LED color is a rough
indication and the user should change the batteries regularly (every 100
measurements).
AA batteriesLCD displayKernels
Integrated sphere
Sampling tray
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2.2 GrainSense cloud services
Grainsense gathers data of all registered users to:
• Provide calibration and other data to users and their devices
• Verify account status and level
• Store all measured data to provide an access to it from different
devices and backup
• Communicate any issues, guidance or other important messages
Grainsense gathers the following information:
• User details: email, address, phone number, profession
• Measurement results with user id, GPS location, time and date, and
notes
2.2.1 GDPR Guidance
GDPR is active after 25.5.2018 and involves all companies handling data
from EU citizens. Data controllers (i.e. company) and data processors
(company or subcontractor) are required to comply and give more power
to a person regarding his data, that includes to:
• Ask explicit consent for all different data types (GPS, email marketing,
etc), describe how to data is used and for what purpose
• Allow users to control the data (delete and export)
Companies must also have an internal guidance (this chapter of the
User Manual) on GDPR.
Note! GrainSense is fully compliant with GDPR.
2.2.2 Data infrastructure and protection
Grainsense acts as a data controller and processor, but for processing,
it uses outsourced infrastructure (Amazon AWS). Graisense has taken
measures to protect user data by:
• Applying standard encrypted HTTPS (TLS) communication
• Using proper authorization and authentication methods
• Using enterprise level framework (Java Spring)
• Taking nightly backups of the data (last 30 days)
• Limiting admin rights to the databases (two key persons have access
to user’s personal data)
2.2.3 User registration
The user registers to Grainsense cloud via the web registration wizard
(www.grainsense.com/register). The user is asked to fill personal details,
which some are optional, in the end, the user is asked to consent to:
Terms of use*, Privacy policy*, Location data use, Marketing use.
*Terms of use and privacy policy are compliant to GDPR
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