ICT PSY1 User manual
PSY1 Stem Psychrometer
Quick Start Guide
Version 4.4 29/10/2014
ICT International
Enabling better global research outcomes in soil,
plant & environmental monitoring.
2
Contents
Quick Start Guide................................................................................................ 3
PSY1 Start Up Check List................................................................................... 4
System Requirements........................................................................................... 5
Hardware................................................................................................................ 5
Software................................................................................................................. 5
Screen Resolution................................................................................................... 5
Power Requirements and Charging the PSY1 Internal Battery...................... 6
Connecting a Power Supply to the Instrument...................................................... 7
Connecting Power Directly via Solar Panel...........................................................8
Connecting Power via External 12V Battery or the ICT CH24.............................9
Connecting Power via External 12V Battery and Solar Panel ............................ 10
Sharing an External 12V Battery and Solar Panel via Daisy Chaining.................11
Clean the Psychrometer Chamber.....................................................................12
Install the PSY1 Software & USB Driver......................................................... 13
Turn the Instrument On.....................................................................................13
Connect to the Instrument via USB Cable........................................................14
Set the Measurement Protocols.......................................................................... 25
Calibrate the Psychrometer................................................................................. 26
Install the Sensor.................................................................................................. 27
Set the Logging Interval...................................................................................... 28
Download Data .................................................................................................... 28
Analyse Data......................................................................................................... 29
Contact Details........................................................................................back cover
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Set Date & Time and Power Management ........................................................24
Instrument Information ......................................................................................23
MCC RF Connection Software Procedure Step 2:..........................................22
MCC RF Connection Software Procedure Step 1:...........................................20
Alternatively: if you are using a MCC1 Wireless Radio Modem...................19
Connecting the Wireless Hardware via a USB Cable.......................................19
USB Connection Software Procedure Step 3:..................................................18
USB Connection Software Procedure Step 2:..................................................17
USB Connection Software Procedure Step 1:..................................................16
Connect via USB Cable.......................................................................................15
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Quick Start Guide
NOTE: This manual should be used in conjunction with the instructional videos
provided by ICT International to compliment each section of operation.
These videos are located on the ICT YouTube site:
http://www.youtube.com/user/ictintl
WARNING – The Thermocouples of the Stem Psychrometer Chamber are
made from very fine wire only 25 µm in diameter. NOTE: Human hair is on
average 100 µm thick. You will require a dissection microscope with a 20X
magnification objective setting to view the thermocouples. You cannot see
them or manipulate their position with the naked eye. Thermocouples are
easily broken if handled incorrectly by unprepared operators. Please WATCH
the video Adjusting the Thermocouples : https://www.youtube.com/watch?
v=kNsZnSYDBPE&list=UUxtXEr9V3UE5XzDQr6wwtRg
before removing the chamber’s calibration lid.
Photo: 25 µm Chromel/Constantan thermocouples viewed under a
dissection microscope at 20X magnification.
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4
Freight: TBA
If you break the microscopic 25 micron
psychrometer thermocouples it will cost:
Replacement Thermocouples: $220
Labour: $120 / hour
Packing & Handling: AU $45
PSY1 Start Up Check List
!Please Read,
Understand and Complete this checklist before unpacking the PSY1
WARNING!
Have you read the manual?
http://ictinternational.com/support/product-manuals/
Have you watched the videos?
http://www.youtube.com/user/ictintl
$
ICT International
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If you are unsure about anything regarding your
Psychrometer contact ICT International before use.
email: [email protected] phone: +61 2 6772 6770
5
System Requirements
Hardware:
The ICT Instrument software does not require a powerful computer.
Minimum Recommended System Specifications:
Intel Atom 1.66 GHz and 1GB RAM or higher.
Software:
Screen Resolution:
The ICT Instrument software is written to a fixed screen resolution of 857 x 660
(it does not Auto Resize) and works best on current model laptops that have a
screen size of 11.6” or larger and a default screen resolution of 1366 x 768 (the
vertical height of 768 being most important otherwise you can't see the bottom of
the software window).
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The ICT Instrument software is compatible with the following
Windows Operating Systems:
a.
b.
c.
d. Windows Virtual OS run from a Mac computer
Windows Vista
Windows 7
Windows 8 and 8.1
Power Requirements and Charging the PSY1 Internal Battery
The PSY1 is a self contained instrument that incorporates a lithium polymer
battery. Before using the instrument, this battery MUST be charged.
To choose from a range of charging options see :
Connecting a Power Supply to the Instrument (pages 7 to 11).
The unique power-bus plug design was developed by ICT International to
simplify the electrical wiring process. It minimises the need for custom tools in
thefield, requiringonlythattheoutercablesheathbestrippedbacktoexpose
thecopper wire. See section: Connecting a Power Supply to the Instrument
(page7)Noothertoolsarerequiredwithallnecessarycomponentsfully
incorporated into the instrument design. Retaining straps ensure that the
power-bus plugs do not separate from the instrument when removed from the
power-bus during wiring preparation and connection of external power.
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The PSY1 can be charged from a range of external voltages via the Bus Plugs,
however there are limits. For the PSY1 to correctly charge, the external power
supply must be within a voltage range of 8Volts DC to 30Volts DC at all
times. If the voltage falls below 8Volts DC the logger will automatically stop
using the supply to charge the internal battery. 30Volts DC is a predetermined
maximum voltage that the PSY1 can handle. Supply voltages that exceed this
level are not recommended and may cause accidental triggering of the
protection circuitry. Triggering this circuit may result in semi-permanent
disabling of the external power which will require the PSY1 to be sent back to
ICT for repair.
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1
2
3
4
5
6
7
8
9
10
see pages 8 - 11
Remove both ICT
bus plugs from
one end of the logger
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Connecting a Power Supply to the Instrument
Individual Power Supply Connections
8
Connecting Power Directly via Solar Panel
Solar Panel
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PSY1
9
External 12V Battery
Connecting Power via External 12V Battery or the ICT CH24
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12V Battery alone does
not guarantee
continuous operation
or charging of the PSY1
PSY1
CH24 Power Supply
is a 24V DC output
charger that trickle
charges the internal
lithium polymer battery
of the ICT Instruments
PSY1
CH24
10
Connecting Power via External 12V Battery and Solar Panel
Solar Panel
External 12V Battery
Solar Regulator
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PSY1
11
Sharing an External 12V Battery and Solar Panel via Daisy Chaining
Solar Panel
External 12V Battery
PSY1 PSY1
PSY1
Solar Regulator
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12
Clean the Psychrometer Chamber
The Stem Psychrometer consists of two very small welded thermocouples
made of very fine wire only 25 µm in diameter. AGAIN NOTE: Human hair
is, on average 100 µm thick. You will require a 20X dissection microscope to
view the thermocouples.
This makes the sensor very sensitive to measuring water potential, but equally as
sensitive to dirt and even mild oxidation. It is recommended that before starting
any measurements you clean the thermocouples. The cleaning process involves
using an organic solvent such as chloroform or an electronics contact cleaner
such as CRC qd Electronics Cleaner or CRC CO Contact Cleaner. Watch the
video: Cleaning the Psychrometer:
https://www.youtube.com/watch?v=-
SaQzdIOOJs&list=UUxtXEr9V3UE5XzDQr6wwtRg
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Install the PSY1 Software & USB Driver
(a) (c)
The PSY1 Stem Psychrometer software can also be downloaded from the
ICT International Software Downloads Page:
http://www.ictinternational.com/support/software/
(b)
Insert the supplied DVD into the computer. The DVD will auto-run and a menu
will appear on-screen. Select "software" (a) then choose "USB Driver" (b) and
then "PSY1 Installation Software" (c).
Turn the Instrument On
When the instrument is turned on the green light (visible through the light tube,
adjacenttothecommunicationport)willflash rapidlyforafewsecondsduring
startup.OncethePSY1hasstartedthegreenlightwillflashonceevery 10
seconds to indicate it is on.
To turn on your PSY1, connect the Instrument to a computer via a USB cable.
Alternatively the PSY1 can either be turned on manually by pressing the power
button or automatically by connecting an external power supply via the Bus Plugs.
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14
Connect to the Instrument via USB Cable
Connect the USB cable to the instrument. The PSY1 will be detected by the
computer automatically and the driver will also install automatically.
Double click the PSY1 software icon on the desktop to open the software.
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LED light pipe
On/Off Switch
USB Port
SD Card
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USB Cable
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Connect via USB Cable
PSY1
16
USB Connection Software Procedure Step 1:
Click the icon “Connect to PSY”
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Double click on the PSY Software Icon on your desktop. Select “Connect to PSY”,
then select “Find Devices” to search for the target instrument, Select the target
instrument from the Available Devices within the Device Selection Window.
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USB Connection Software Procedure Step 2:
You must first choose the connection type “USB” then Click “Find Devices”
to search for the instrument via USB cable.
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USB Connection Software Procedure Step 3:
After you highlight the target device then click “Select Device”.
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Find on the list the device that matches the serial number of the target PSY1.
Double click on the device to connect. Alternatively highlight then click "select
device" to connect.
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Alternatively, if you are using a MCC1 Wireless Radio Modem
Connecting the Wireless Hardware via a USB Cable
Connect the MCC1 to a computer via a USB Cable.
Double click the PSY Software icon on the Desktop to open the software
and click the icon “Connect to PSY”.
USB Cable
MCC1
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PSY1
20
MCC RF Connection Software Procedure Step 1:
Make sure the MCC1 has been detected then highlight.
Choose the connection type “RF” instead of "USB"
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Change the Connection Type from "USB" to "RF" and click “Find Devices”.
When "ICT Compatible RF Modem" appears double click on it to bring up the
RF Device Chooser Window.
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