1. We measure it.
TESTOsolutions
The measurement data monitoring
system testo Saveris in greenhouses
Climate control and measurement data monitoring in the greenhouses of
the North West German Forestry Research Institute*
Photograph: Testo AG
The cuttings and microcuttings from in-vitro cultures in the provide the scientists at the foresty institute with an
greenhouses of the Nordwestdeutsche Forstliche overview of the development of all important parameters.
Versuchsanstalt* (NW-FVA) require tailor-made climatic
conditions in order to be able to develop optimally. The T h e b e n e fi t s a t a g l a n c e :
prerequisites for fast growth and excellent quality are • Uninterrupted, centralised monitoring of temperature
constant temperatures between 25 and 40 degrees and humidity values
centigrade, and an air humidity close to 100 percent (high • Use of robust, highly accurate humidity transmitters
humidity). testo 6681 humidity transmitters and testo 6614 under high-humidity conditions
high-humidity probes monitor the temperature and • Precise control of high-pressure mist systems in the
humidity values in the greenhouses accurately and reliably. greenhouses
The transmitters simultaneously control the high-pressure • Fast alarms by SMS and e-mail when limit values are
mist systems which ensure the necessary humidification exceeded
of the plants. If upper or lower pre-set temperature and • Automated reporting: Daily, weekly and monthly
humidity values are exceeded, the measurement data reports in PDF format
monitoring system testo Saveris alarms the person • Display of the current measurement data on a PC
responsible for the process by SMS and e-mail. Daily and • User-friendly transmitters and measurement data
weekly reports, also created automatically by Saveris, monitoring systems
*North West German Forestry Research Institute

2. The measurement data monitoring system testo Saveris in greenhouses We measure it.
The task The solution
The Nordwestdeutsche Forstliche Versuchsanstalt* Seven testo 6681 humidity transmitters with testo 6614 high-humidity probes monitor
needed measuring instruments in order to be able temperature and air humidity in the NW-FVA* greenhouses. The high-pressure mist
to monitor the temperature and humidity in its systems are controlled, and switched on and off according to the pre-set humidity limit
greenhouses precisely and reliably, despite the values, via relay outputs. The transmitters are connected to the company network and
tough high-humidity conditions. An additional the measurement data monitoring system testo
challenge was to provide the senstitive, in-vitro- Saveris via Ethernet. Saveris compiles the
grown forestry plants and cuttings optimally with measurement data into tabular and graphic daily
water, depending on their development stage. For and weekly reports, and alarms those responsible
this purpose, the high-pressure mist systems for the process via SMS and e-mail when limit
needed to be switched on and off automatically values are exceeded. In addition to this, the data
depending on the respective required humidity are visible via intranet. Saveris wireless probes
limit values. Other requirements of the NW-FVA record among other things the temperature and
were fast alarms when upper or lower humidity humidity values outside the greenhouses.
limit values were exceeded, as well as up-to-date
information provided to the scientists thanks to
regularly created reports.
testo 6681 humidity transmitters regulate and monitor the
Photograph: NW-FVA air humidity in the greenhouses.
*North West German Forestry Research Institute
Benefits for the customer
Whether poplar, willow, wild
cherry, birch or aspen – cultivating
fast-growth, especially high-per-
formance forestry plants is no
longer a problem at the NW-FVA,
even under high-humidity condi-
tions. Simultaneously to the mon-
itoring of the ambient conditions,
the high-pressure mist systems
are fully automatically controlled
by the transmitters, and the sen-
sitive experimental plants opti-
mally provided with water. Risks
which arise from the cultivation of allow the scientists efficient Cultivation under high-humidity
costly cuttings from different tracing as well as quick and conditions: The in-vitro-grown plants
must first become acclimatised to the
areas of Europe are thus thorough analysis of causes of soil and the conditions outside the
minimised. Clearly designed error. sterile laboratory conditions. Images: NW-FVA
measurement re-ports ensure
transparency. They
The customer
Die Nordwestdeutsche Forstliche itics. The central mandates are the in Hann. Münden supplies, among
Versuchsanstalt (NW-FVA) is a long-term observation and moni- other things, high-quality plant-
joint research facility of the states toring of forests, applied reasearch ings for poplar, willow, wild cherry,
of Hesse, Lower Saxony, Saxony- as well as knowledge transfer. The birch and aspen.
Anhalt and Schleswig-Holstein. Göttingen and Hann. Münden
The NW-FVA conducts practical sites employ 129 permanent staff. Photograph: NW-FVA
forestry research and advises for- Under the brand names silvaSE- Grounds of the department of
est owners and forestry business LECT ® und nwplus ® , the depart- forestry genetic resources of the
operators, administrators and pol- ment of forestry genetic resources * NW-FVA with greenhouse facility.
*North West German Forestry Research Institute
Testo Limited
Newman Lane, Alton, Hampshire, GU34 2UR
Email: saveris@testo.co.uk www.testolimited.com