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Enabling better global research outcomes in soil, plant & environmental monitoring.


About us

ICT International has been providing solutions for soil, plant and environmental monitoring since 1982.

In the early 1980’s, Dr Peter Cull, having completed his PhD in irrigation monitoring, sought to expand his research and bring together scientific theories with their practical applications especially in soil and plant sciences. For Peter, water was always the key and he believed that developing precision instruments to accurately measure, monitor and understand water would make a significant difference to some of the major challenges in food production and land use. That was thirty years ago. Since then, Peter and his wife Susan have developed ICT International into a highly successful manufacturing and export company providing scientific measuring and monitoring solutions in some of the world’s harshest and most vulnerable environments. Peter, Susan and their team have built on the immense wealth of scientific knowledge to design, develop and manufacture their quantitative monitoring technologies and work collaboratively with leading soil, plant and environmental scientists in Australia and overseas as part of their world-renowned research and development program.


In 2006 ICT International launched an innovation program which produced the company’s first outstanding signature products; the SFM1 Sap Flow Meter and the PSY Stem Psychrometer. The SFM1 Sap Flow Meter determines how much water a plant is using and features digital point of measurement data processing to log data. The PSY1 Stem Psychrometer measures the plant’s ability to access water and features the same digital point of measurement data processing, to log changes in the plant water status. ICT International’s instruments are manufactured in Armidale, NSW, and designed and tested in the field. They have been installed to measure plant water use (sap flow), the effects of weather and environmental change in regions across the world including: the Amazon rainforests, California’s ‘tallest trees in the world’, mine sites in Australia and Peru, agricultural land in Dubai and trees growing on the permafrost in Northern Canada. ICT International now exports their precision instruments to more than 50 countries with their customers including environmental and forestry researchers and managers; mine site rehabilitation officers; agricultural, horticultural and glasshouse businesses; governments; scientific agencies; and universities throughout North and South America, Europe, the Middle East, India and Asia.

Through its commitment to innovative research, collaboration, and the manufacture and export of their precision monitoring instrumentation, ICT International is proud to provide world class scientific solutions enabling a greater understanding and improved management of water, soil, vegetation and the environment.

Listen to our CEO Susan Cull speak at a radio interview following ICT International winning an award at the NSW Premiers Export Awards. (14mb)


World’s best monitoring solutions focused on plant water use,
plant water potential and soil moisture management.

Scientific instrumentation developed for scientists by scientists.

The ICT International products are specifically designed to be deployed in rugged field environments, use low-power, have wireless and internet connection and firmware and software for detailed and sophisticated measurement and data processing in the field. In this regard they are totally ground-breaking, state of the art and unique.

There are no other products on the market today with the same functionality or application.

This unique family of digital sensors and data loggers grew out of an R&D innovation program which ICT International commenced in 2006. By committing a large percentage of its annual turnover to the innovation program which involved product research and design, cutting edge engineering design and active engagement and collaboration with the leading scientists in Australia and Internationally. ICT International has produced new scientific instrumentation needed by scientists to better understand how plants respond to the ever increasing problem of water shortage in our natural environment. The practical outcome being the accurate measurement of key plant and soil parameters for the advancement of plant and soils research to address plant physiology limitations to water availability, climate change, evaluation of plant genetics/breeding programs or fundamental understanding of plant function.

An environmentally sealed, low-power data logging platform forms the basis of ICT International’s technology for environmental monitoring and control applications.

The products of ICT International that have all been developed with the data logging platform.

SFM1 Sap Flow Meter for continuous monitoring of plant water use.

PSY1 Stem Psychrometer for continuous monitoring of plant water potential and leaf water potential.

HFD Heat Field Deformation Sap Flow Meter for measurement of radial sap flow profiles, hydraulic redistribution and hydraulic lift in response to plant water potential gradients.

SFT Sap Flow Tool specialist software for processing and displaying plant water use and hydraulic redistribution.

SMM Soil Moisture Meter for measuring Volumetric Soil Water (%).

STM Soil Tension Meter for measuring Soil Water Potential.

SOM Soil Oxygen Meter for measuring Soil Oxygen Content (%).

AML Advanced Multifunction Logger and the AWS Automatic Weather Station.

See www.ictinternational.com for case studies where instruments utilising this logging platform are being deployed from the Arctic permafrost to the Amazon and the deserts of the Middle East.

A thorough and detailed understanding of plant response to water and the environment was developed from years working as a scientist and cotton consultant by Dr Peter Cull. Subsequent interaction with scientists around the world further developed this understanding.

This field experience and the appreciation of its scientific and commercial value have been transferred into instrumentation by engaging with the leading scientists in this field in Australia and internationally and experienced Australian engineers to develop the products.

The applications knowledge and experience of ICT International combined with scientific collaboration builds solutions that are recognised as world’s best and hence sought after by leading scientists worldwide.

What makes this unique product line innovative?

The innovation behind the family of ICT International products is the  underlying data logging platform, software and firmware protocols to interface an extensive sensor library both in terms of measurement parameter and output protocol. The wireless communications protocols to transmit data locally or internationally across any communications network. This technologically advanced data logging platform has been proven to function in environmental extremes using low-power.

The need to measure sensors within a range of both relative and absolute terms, depending upon the fundamental physical property of measurement, is paramount for high accuracy, repeatability and precision. In order to achieve satisfactory levels of resolution from µV to nanovolt resolution, solutions range from involving complex signal processing algorithms that can be included in onboard sensor microchips and require sophisticated output protocols to transmit the data to dedicated all in one logging solutions. The data logging solutions eliminate analogue signal noise caused by cable resistance and provide onboard signal conditioning and noise filtering to achieve the highly stable thermal noise conditions under which a measurement requiring nanovolt resolution can be resolved under ambient field conditions.

The ICT International data logging platform has been designed to accommodate all levels of sensor design, complexity and measurement principle by integrating all input variables from simple analogue millivolt inputs through to complex measurement principles requiring standalone, point of measurement data processing and logging instruments; that can seamlessly synthesise all of them into a single CSV file or MySQL database using a low power, unlicensed wireless protocol and GSM mobile telemetry solution.

The competitive innovative advantage of the encapsulated field experience, scientific knowledge and engineering detail has resulted in instruments which are sought by plant scientists worldwide. In fact, the continuous monitoring of plant water potential and leaf water potential, as measured by the PSY1 digital stem psychrometer has been sought by the plant science community for more than 40 years. The ability to measure low flow and reverse flow by the SFM1 digital sap flow meter is a world first and is enabling new discoveries of plant adaption to the environment.

Typical research topics include; hydraulic redistribution of water in trees in the Czech Republic, to measuring sap flow to determine water use of the different tree species in the Brazilian Atlantic Rainforest; to investigating tree recovery from drought in the USA.


Listen to our CEO Susan Cull speak at a radio interview following ICT International winning an award at the NSW Premiers Export Awards. (14mb)

Why we do the things we do!

ICT International has been in business since 1982 providing the world’s best monitoring solutions, focusing on plant water use and soil moisture monitoring. In 2006 ICT International embarked on an innovation program to research and design new plant sensors, new soil moisture sensors and new data logging platforms. We are passionate about researching new instruments, which scientists can use worldwide, to solve the ever-increasing problem of our limited water resources and the effects of water shortage in our natural environment.

In 2013 ICT International was awarded three NSW State Awards for innovation and excellence in export achievement. These awards recognised our commitment, resilience and determination in the innovation of a unique new family of digital data logging sensors. The recognition was fantastic and signified we had achieved what we set out to do.

ICT International’s CEO, Susan Cull recounted in a radio interview.

“We know we’re on the right track because we’re exporting these new sensors – this new family of instruments – our Sap Flow sensor, our Stem Psychrometer to scientists in over 50 countries on an annual basis.

These awards gave ICT International confirmation and acknowledgement of all the hard work, all our passion, our commitment and our focus in getting these digital data logging sensors developed. We understand the market – we’ve been in the market for thirty-five years – we understand the application knowledge, we know what scientists are trying to achieve and the value of their research. A precise, rugged instrument that can be left in the Tundra, or the trees in Brazil or the desert in Australia or Dubai, is invaluable.

Our products are now are contributing to new scientific knowledge worldwide. This knowledge, in plant science, soil science, and environmental science is adding to the scientific data that will carry the planet forward in managing an increasing volatile climate. For the scientist’s working on research programs around the world, utilising the new unique family of digital data logging sensors, is pivotal in helping them effect better research outcomes.

The fundamental connection to our scientific customer base is ‘science 101’.

ICT International is a science based company with PHD scientists on staff. When you dialogue with a scientist in Brazil, or the Middle East, or Africa – it doesn’t matter where the scientist is, you’re talking the same language – it’s Science 101. We send our scientists – our staff, our PhD salespeople – we send them to the Tundra, we send them to Brazil. They’re out there in the field with fellow scientists. No other company in the world does this, no other company has the focus, the commitment and the vision to say, this is what scientists are doing now, they’re solving these problems as to how plants are responding in the changing environment.

This is our focus and commitment to our scientific customers and what inspires us to innovate new data logging Sap Flow sensors (SFM1), Stem Psychrometer sensors (PSY1) and other data logging sensors.”

International Distributors

ICT International Australasia/Asia Ph: +612 6772 6770
Middle East & North Africa
Monitoring MENA Dr. Ghazi Abu Rumman
Tel: +962 777 054 400
Email: sales@monitoring-mena.com
Website: www.monitoring-mena.com
East Africa
Keshav Global Trading Vikas Brahmbhatt
Tel. + 254 735 787 513

Harikrashna Brahmbhatt
Tel. + 254 737 520 558

Email: info@keshavglobaltrading.com

P.O. Box 64150-00620, Nairobi-Kenya

Latin America
LAPACA S.A. Latin American Dealer Manager
Mr. Alvaro Arias Mora
Oficina: 506-2279-7062
Cellular: 506-8891-9891
Website: www.lapacacr.com
No. 30 Quezon Avenue
Quezon City 1113 PHILIPPINES
Telefax No.:+632-7090585 / +632-5223758 / +632-8813615
E-mail: sales@philinstrumentscorp.com.ph
Website: www.philinstrumentscorp.com.ph
Trung Hai Scientific Instrument Địa chỉ: 435/25, Lê Văn Thọ, Phường 9, Quận Gò Vấp, TP.HCM
Điện thoại: 08.22442724 – 66709045 – 66789145.
Fax: 08.35899952
Email: thscientific@vnn.vn; contact@thscientific.com
Website: http://thscientific.com/
PT. LABODIA PRIMA Ruko Kelapa Gading Hypermall Blok A-16
Jl. Boulevard Barat Raya Kelapa Gading
Jakarta Utara 14240
Ph. Marketing: 62-851-0064 9944 / 55 / 66
Ph. Admin: 62-851-0064-9977
Fax: 62-21-4585 1192
Mobile Phone: 62-853 1931 7799
Email: labodiaj@gmail.com
Website: www.labodiaprima.co.id
Prof. Dr. Lizhen Zhang Chief of ICT China Office
College of Natural resources and Environmental Sciences of China Agriculture University
Mobile: 13911372712
Email: zhanglizhen@cau.edu.cn
Nanjing Youbd Scientific Co., Ltd. Add: RM622 Shuiziyuan building, No. 305 Hanzhongmen Street, Gulou Dist, Nanjing, China.
Tel: 025-57719553
Fax: 025-83352117
Email: youbd@youbd.cn
Dianjiang Group Limited Add: Room 1510,15/F,New Commerce Centre,
No 19 On Sum Street, Shatin, N.T. HONGKONG
Tel: 852-36901588 Fax: 852-36901586
www.Dianjiangtech.com Email sales@Dianjiangtech.com Shanghai Branch:
Add: Building 42, Caifuxingyuan,
No.188 Maoting Rd,
Chedun, Songjiang, Shanghai, 201611, China
Tel: 86-21-37620451 Fax: 86-21-37620450
E-mail: shanghai@dianjiangtech.com

Beijing Branch:
Add:11F, 4 Cell,Tower C, In.Do Mansion,
No.48A Zhichun Road,
Haidian District, Beijing 100086, China
Tel:86-10-58733448 Fax:86-10-58731059
E-mail: beijing@dianjiangtech.com

Kunming Branch:
Add: Room1001, Building 9, Jintaiguoji,
No.2411 Dianmian Ave,
Wuhua District, Kunming 650106, China
Tel:+86-871-68215582 Fax: +86-871-68215582
E-mail: Kunming@Dianjiangtech.com

Hefei Branch:
Add: Room 1306, 13/F, Building 8,
Zhongtianzuoan, No.1 Tongling Road Bridge,
Yaohai District, Hefei, Anhui Province, 230011, China
Tel:86-551-63656691 Fax:86-551-63656697
E-mail: hefei@dianjiangtech.com

Uni-Tech Trading Corporation Uni-Tech Trading Corporation
STX W-Tower 1109, 90 53-gil
Gyeongin-ro, Guro-go
Seoul, South KoreaTo : B.Y. Lee & Angelo Key
Tel : 82-2-2689-3200 (REP)
Fax : 82-2689-3500Email: unitech77@korea.com
Website: www.unitechcorp.co.kr
Spectra Agritec Spectra Agritec India
Email: sales@spectragritec.com
Website: www.spectragritec.com
Umwelt Geräte Technik Ltd (UGT) Umwelt Geräte Technik Ltd Germany
Email: info@ugt-online.de
Website: www.ugt-online.de
ICT International Worldwide Ph: +612 6772 6770
award-premiers-export-finalist MEM 1442 Finalist logo_V2
Listen to our CEO Susan Cull speak at a radio interview following ICT International winning an award at the NSW Premiers Export Awards. (14mb)
nsw-export-award-2013-photo NIIA_2013_0609

ICT International wins in Premier’s Export Awards

One of the great things about Australian exporters is their resilience and sense of determination. Armidale’s ICT International has exhibited those two admirable traits in being awarded a Highly Commended in the category of Agribusiness in the 2013 NSW Premier’s Export Awards.

“We are thrilled to receive this recognition”, said ICT International’s CEO, Mrs Susan Cull. “We recognised the need to innovate to produce new scientific instruments needed by scientists to better understand how plants respond to the environment. For the last 8 years ICT International dedicated 20% of annual turnover to an innovation program involving product research and design, cutting edge engineering design and the development of manufacturing and assembly capability. In the last four years ICT International has gone from being a net importer of soil and plant science instrumentation to a net exporter of its own ICT International product – Australian IP and Australian engineering- whilst located regionally in Armidale, NSW. Over 60% of total sales are generated by export income as we export annually to over 45 countries worldwide.”

The unique signature ICT International products resulting from the innovation program are the Digital Sap Flow Meter, The Digital Stem Psychrometer and an environmentally sealed, low-power data logging platform. This family of new scientific instruments is being used by scientists worldwide to solve the ever increasing problem of limited water resource and the effects of water shortage in our natural environment. Examples include monitoring Boreal forests as the permafrost melts in the Arctic Circle, measuring sap flow in trees to select more drought tolerant species in Peru, measuring soil moisture to increase citrus production in the Middle East, and measuring the effects of climate change on forests in Latvia.

Ian Murray, Executive Chairman of the Export Council of Australia said: “Last night in Sydney the state’s best of the best exporters were rewarded for excellence at the NSW Premier’s NSW Export Awards. The Premier’s NSW Export Awards showcased the state’s best of the best exporters, in front of an audience of over six hundred guests and Guest of Honour the Hon Andrew Stoner, Deputy Premier of NSW. This year’s awards showcased some truly innovative companies, particularly in all export sectors and we congratulate ICT International on their success.”

A thorough and detailed understanding of plant response to water and the environment was developed by Dr Peter Cull, Managing Director of ICT International, from years working as a scientist and cotton consultant. This field experience and the appreciation of its scientific and commercial value has been transferred into instrumentation by engaging with the leading scientists in this field, in Australia and internationally, and with experienced Australian engineers to develop the products.


The applications knowledge and experience of ICT International, combined with scientific collaboration, builds solutions that are recognised as the world’s best and hence sought after by leading scientists worldwide.

Contact: Susan Cull ph: 02 6772 6770 susan@ictinternational.com.au


ICT International wins Region’s Innovation Awards

The 6th Regional Development Australia Northern Inland Innovation gala awards dinner was held at Wests Leagues Club in Tamworth on Friday night (8/11/13). The overall Innovation of the Year Award went to Armidale-based ICT International, which included a $15,000 scholarship from The Sharemarket College.

“It is important that we recognise and promote how we are being innovative and what sets us apart. This fantastic awards program attracted 49 top quality entries from every major centre in the region and almost 140 people attended the awards night to hear their success stories,” Chair of Regional Development Australia Northern Inland (RDANI), Mal Peters said.

ICT International is essentially scientists creating precision equipment for fellow scientists; technological solutions for soil, plant, water and environmental monitoring. Up to 20 percent of annual turnover over the past eight years has gone into research and design. ICT’s innovations have transformed the business from an importer of soil and plant instrumentation to an exporter of its own. What has been developed by ICT is unique and demand is global, with exports to 45 countries each year. Staffing levels have grown from 6 to 21 in the past four years.

ICT International’s environmentally sealed, low-power consuming data logging units come in varied models for specific purposes, with internet connectivity and software for complex measuring and processing in the field, and can be found in Australian and Amazon mangroves, deserts in the Middle East and the Arctic permafrost. Remote data logging or transmission solutions are what truly set ICT’s scientific devices apart. Managing Director, Dr Peter Cull said that the recognition means a great deal to his team. “This accolade is important for our business, particularly as they add credibility and a point of difference when starting a new overseas business relationship,” he said.

The innovators recognised at the awards night ranged from Bindaree Beef to UNE, ITC Agriculture in Narrabri to local government (Tamworth Regional Council, Liverpool and Moree Plains Shire Councils). Local produce was presented to sponsors and MC Jennifer Ingall (ABC radio New England North West Regional Content Manager). There was a presentation by the inspiring BackTrack Youthworks lads and a pair of working dogs in training. Guest Speakers were business coach, Greg Alder and 2012 Innovation of the Year recipient, Graham East from educational software developer, EdAlive.

RDA Northern Inland Executive Officer, Nathan Axelsson, described it as a significant night for the region’s development, which highlighted the secrets of numerous high-achieving businesses and organisations throughout the region. “Whether we’re talking about overcoming the tyranny of distance, creating a competitive edge or finding new markets, we need to incorporate innovation into everyday practice and get our positive stories out there.”


Electronic Production Assembly

ICT International researches, designs, manufactures and deploys bespoke, integrated, wireless monitoring solutions for commercial agriculture, scientific and environmental research in the natural and built environments. ICT International exports these technologies to over 51 countries annually from its manufacturing base in Armidale.


ICT International is looking for a full-time person to assist with the manufacturing and production of ICT International instrumentation. The production processes are micro-assembly based, incorporate soldering and making precision components towards many end products.

The position requires a self-motivated organized person with the ability to work without supervision and to be quality driven. Most importantly you must have very good eyesight, dexterity and fine motor skills. Proficiency in the standard Office suite of software is essential as is the ability to adapt to various propriety software packages.

While exposure to an assembly environment and soldering experience is desirable, technical aptitude is a must. An interest in electronics and environmental sciences will also be an advantage. Full training will be provided. Salary commensurate to skills and experience.


  • Relevant work-related experience; or an equivalent alternative combination of relevant knowledge, training and /or experience.
  • Or a great drive and passion to learn a manufacturing process as you have the necessary essential skills.
  • Demonstrated initiative and ability to work independently under limited supervision.

Appropriate on the job product manufacture training will be provided.

Selection Criteria
Required skills

  • Able to follow procedure instructions precisely
  • Demonstrated knowledge of practical electronics, technical aptitude
  • Mechanical aptitude; ie solder, assemble, and disassemble, instruments.
  • Knowledge of micro-assembly based production
  • Have an attention to detail, fine motor skills, good dexterity and good eye sight
  • Be self-motivated but capable of working in a cohesive team environment
  • Work to weekly deadlines in times of normal and high flow capacity whilst maintaining quality output
  • Sound computer literacy skills and the ability to adapt to various propriety software packages
  • Demonstrated organisational office skills, initiative, diligence and common sense

Preferred additional skills but not essential

  • Exposure to an electrical/electronics assembly environment and soldering is preferred although not essential.
  • Minimum Trade Certificate in Electronics.

See http://ictinternational.com/about-us/job-vacancies/ for job description. Forward applications addressing selection criteria and resume to susan@ictinternational.com.au

Enquiries to CEO, phone 02 6772 6770 closing date 26th November 2017.

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