Brochure - Dynamax
Contents
1. R2 Profile Probe Systems The unique PR2 Profile Probe can be installed for continuous data logging and also be used for multi site portable measurements e Soil moisture content not just trends e Low Salinity and temperature sensitivity e Portable meter option for convenient multi site measurement e Dedicated DL6 Logger option for continuous monitoring The PR2 Profile Probe uses newly patented sensing technology making it possible to measure soil moisture content in a range of soil types and across a wide range of nutrient levels including saline soil conditions 1 Patent pending 2 Good accuracy achieved with normal agricultural soils Typical mineral and organic calibrations supplied For less common soils custom soil calibrations can be used for highest accuracy Installation and Connection Users can choose between the PR2 4 measuring at 4 depths down to 40 cm or the PR2 6 measuring at 6 depths down to 100 cm The nominal sensing depths are 10 20 30 40 60 and 100 cm The PR2 access tube requires an installation hole 27mm in diameter allowing easy installation and minimal soil disturbance Access tubes are manufactured to strict tolerances and are exceptionally strong and durable in the soil Correct installation is essential and we recommend the use of our specially designed auguring equipment The PR2 is constructed from the highest grade components and materials to ensure robustness in harsh envi2. hand Only the lower portion of the hole would be augured Comprises 24mm pilot auger stabilization plate access tube insertion rod and user manual PR ASK1 L Augering Starter Kit long For installing both short and long access tubes types ATS1 and ATL1 for PR2 4 and PR2 6 in most soil types Based on the PR ASK1 S short kit plus a finishing auger and a dead blow mallet PR AKC1 Complete Augering Kit For installing both short and long access tubes in most soil types Based on the PR ASK1 L long kit with the addition of a carrying bag cleaning rod and flexicanes PR EXK1 Access Tube Extraction Kit Heavy duty system for removing installed tubes Upgrades Customers with older augering systems such as the PR AK1 may be able to reuse some of the components Please enquire for further details PRASKI G PRASKIL Soll type and depth Starter Kit short Starter Kit ong Complete Kit Ti Normal solls Se ene Normal soils p bo 10cm Pow cry ue 2 Sate de _ __ __ ondared in addition to the selected augering kil s et eee cd oto tela be ordered individually Koy a m Meets basic need am Well suited eee a Wel sulled amp inckacies iterat lor extra convenience Wa Unsuiibia Complete Augering Kit PR AKC1 Shows a Stabilization plate b Pilot auger c Finishing auger d Insertion rod e Short and long access tubes not part of PR AKC1 The key component
3. acy power up recommended for full 81100m is the maximum length for stated performance accuracy Longer cables can be used and compensated for Dynamax Inc 10808 Fallstone Rd 350 Houston TX 77099 USA Tel 281 564 5100 Fax 281 564 5200 admin dynamax com www dynamax com
4. he PRC M12 05 cable any IPAQ 2200 Series Pocket makes connection easy and PC PDA The DeltaLINK theDL6PCsoftwaresimplifies software and connection sensor configuration and cable are available as a kit data collection The DL6 is well suited to both research applications and irrigation monitoring To minimise the need for opening the case data is collected via an external RS 232 socket and the status of the logger can be checked using a vibration activated LED DL6 Loggers include a novel accelerated logging feature to allow the tracking of wetting fronts PR2 Profile Probe Specifications Profile Probe Ordering Information PR2 4 Profile Probe 40cm no cable PR2 6 Profile Probe 100cm no cable All Profile Probes come fitted with IP68 connector and are supplied with user manual protective tube spare centring springs O rings and a 1 5m cable to the HH2 Hand Held Moisture Meter Standard Cables for PR2 PRC d HH2 1 5m cable IP68 M12 connector to 25 way D socket IP54 Connects PR2 to HH2 Moisture Meter PRC M12 05 5m cable IP68 M12 connector to IP68 M12 connector Connects PR2 to DL6 Soil Moisture Logger PRC w 05 5m cable IP68 M12 connector to bare wire Cable connects PR2 to DL2e and other data loggers Extension Cables for PR2 EXT M12 05 5m cable IP68 M12 connector to IP68 M12 connector Connects to PR2 or to any EXT M12 cable Cable is identical to item PRC M12 05 EXT M12 10 10m cable IP68 M12 co
5. m m Full range is from 0 0 to 1 0 m m Accuracy 0 04 m m3 Typical after 0 0 to 0 4 m m 0 to 40 C calibration to a specific soil type 0 0 to 0 4 m m 0 06 m m Typical using the Salinity errors Soil sampling volume Environment Power requirement generalized soil calibrations in normal soils Included in above accuracy figures 50 to 400 mS m 0 5 to 4 dS m pore water conductivity Vertically 95 sensitivity within 50mm of upper ring of each pair Horizontally 95 sensitivity within a cylinder of radius 100mm O to 40 C for full accuracy specification 20 to 70 C full Operating range IP6 rated when installed in access tube Full accuracy achieved within 1 second Minimum 5 5V DC with 2m cable 7 5V with 100m Maximum 15V DC PR2 4 consumption lt 80 mA PR2 6 consumption lt 120 mA 4 PR2 4 or 6 PR2 6 analogue voltage outputs 0 to 1 0V DC corresponding to 0 to 0 6 mm mineral calibration Cable Standard and extension cables see ordering information Construction 25 4mm polycarbonate with pairs of stainless steel rings Size Weight PR2 4 length 29 Weight 1 3 Ibs PR2 6 length 53 Weight 2 Ibs MAccuracy when installed in the field will depend on soil type soil homogeneity and the care taken over installation The quoted accuracy figures were obtained under uniform and controlled conditions IMinimum 1 second accur
6. nnector to IP68 M12 connector Cable connects to PR2 or to any EXT M12 cable EXT M12 25 25m cable IP68 M12 connector to IP68 M12 connector Cable connects to PR2 or to any EXT M12 cable Access Tubes and Profile Probe Accessories ATS1 Access tube short 554mm x 28mm diameter Includes cap bung and collar For use with PR2 4 ATL1 Access tube long 1154mm x 28mm diameter Includes cap bung and collar For use with PR2 6 PR2 SP PR2 Profile Probe spares kit PR CB2 Protective carrying bag suitable for Profile Probe and HH2 Moisture Meter or Pocket PC Includes space for access tube cleaning rod Augering Kits Ordering Information PR ASK1 S Augering starter kit short For access tube installation short tubes only Includes 24mm pilot auger stabilization plate access tube insertion rod and user manual PR ASK1 L Augering starter kit long For access tube installation long or short tubes Includes all items in PR ASK1 S Kit plus finishing auger and mallet PR AKC1 Augering kit complete For access tube installation long or short tubes Includes all items in PRASK L Kit plus flexicanes carrying bag and cleaning rod PR AUG2 25mm spiral auger for dry sandy soils Model types PR2 4 and PR2 6 Sensing depths Measurement Range PR2 6 10 20 30 40 60 100cm PR2 4 10 20 30 40cm nominal Volumetric soil moisture content V m m or vol Accuracy figures apply from 0 to 0 4
7. r deficit The HH2 auto detects the number of sensors present in each Profile Probe e High capacity 15 differential analogue channels expandable to 60 channels e Can log large numbers of Profile Probes e Versatile logs most types of sensor The DL2e is a weatherproof programmable data logger well suited to remote site applications The DL2e can be used with most sensor types and accepts DC AC resistance counter frequency and status inputs This makes it ideal for weather station and other multi sensor environmental monitoring applications Communication options include GSM modems for automatic data collection from remote sites DL6 Data Logger e Ideal for Profile Probes amp ThetaProbes e Complete solution with IP67 weather proof case and battery power e Pocket PC interface for data collection and configuration e 16 000 readings The DL6 is a dedicated data logger optimized for use with Dynamax soil moisture sensors It can be used with combinations of ThetaProbes and Profile Probes and also accepts raingauge and soil temperature probe inputs DeltaLINK Software for Pocket PC DL6 Perfect Partner for Profile Probes The DL6 Logger interfaces seamlessly with a Pocket PC to allow viewing and analysis of data in the field as shown above with later transfer to a PC The DL6 logs a PR2 6 100cm depth or a PR2 4 40 cm depth Full PC software capability is available when used with T
8. ronments Reliable environmentally sealed IP68 connectors enable a wide range of cable length and connectivity options to be supported This flexibility makes sensor connection and disconnection quick and easy A PR2 combined with an HH2 readout unit enables a single probe to be used at different locations providing a low cost multi site solution The PR2 can be permanently installed and teamed with the dedicated DL6 Soil Moisture Logger for continuous soil moisture monitoring Alternatively for multi probe applications the DL2e Logger is ideal handling combinations of Profile Probes and other environmental sensors including weather stations e Out of the box solution supplied with soil calibrations for common soil types 2 e IP68 protected connectors for versatile connectivity e Uses access tubes for easy probe insertion and removal Differences between the PR1 and PR2 The PR1 Profile Probe was an excellent choice for measuring water content profiles in sandy and silty soils but has now been discontinued The PR2 is designed for optimal performance in all soil types even in difficult soils such as heavy clay and saline soils It features e Completely new patented sensing electronics to meet the needs of scientific researchers and discerning growers e Polycarbonate rod for optimal dielectric properties improved performance and superior dimensional stability e Environmentally sealed IP68 connector for versatile connecti
9. s are Stabilization plate to keep the auger vertical A major contribution to readings errors arises from conical enlargement of the hole funneling during the auguring process especially in the top 30cm This results in poor contact between the outside surface of the access tube and the surrounding soil The stabilization plate minimizes this effect NB All new augering kits include a stabilization plate Insertion rod to drive the access tube into an augured hole by applying force to the bottom of the tube normally by hammering This new technique reduces the flexing that can produce air gaps around the access tube and minimizes soil displacement Finishing auger To expand augured pilot holes to the exact diameter required for an access tube a new type of auger has been designed This adjustable finishing auger produces straight smooth sided holes in most soil types see image below e Readout and data storage for Profile Probes and other Dynamax soil moisture sensors e volume and water deficit readings The HH2 is a versatile readout unit that provides an easy and convenient way to display and store readings from Profile Probes With the HH2 and PR2 combination a Probe can be moved from access tube to access tube enabling large amounts of soil moisture data to be collected at multiple sites The HH2 reads and stores the soil moisture content at either 4 or 6 depths simultaneously and can calculate the wate
10. vity The PR2 uses the same access tubes as the PR1 making it easy to upgrade existing installations Mugering Kits amp Access Tube Inst Augering and Extraction Kits e Augering kits for optimal access tube installation Dynamax augering kits help you achieve the best possible access tube installation in virtually any soil Profile Probes are used in access tubes inserted into carefully pre augered holes in the soil Correct access tube installation is absolutely vital for accurate measurement of soil moisture profiles To get the best performance from Profile Probes the augured holes should be straight smooth sided and the correct diameter The goal is to produce optimal contact between the soil and the wall of the access tube However if substantial stoniness or compaction or the presence of voids foreign bodies or soil instability are features of a particular site it may not always be possible to install an access tube successfully Three types of kit are available but please note that for dry sandy soils a PR2 AUG2 25mm spiral auger should be ordered in addition to the selected kit PR ASK1 S Augering Starter Kit short Only recommended for installing short access tubes type ATS1 for PR2 4 in soft soil or if backfilling is acceptable For example in an irrigation monitoring application where accuracy is not a key concern an oversized hole could be partially dug out with a small spade and the soil replaced by
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