PR2 Analogue Profile Probe, 40cm, PR2/4
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- The PR2/4 has sensing elements at 10/20/30/40 cm
- Dual-purpose: installed and portable
- Uses access tubes for easy probe insertion and removal
- Highly reliable field-proven instrument
- Soil moisture content—not just trends
- Out-of-the-box solution, supplied with calibrations for common soil types
- Low salinity and temperature sensitivity
- GP2 and DL6 Logger options for continuous monitoring
- Portable meter option for multi-site measurement
- Please note that analogue and SDI-12 probes cannot be mixed on the same cable system
Optional accessories are available for purchase separately. If you require a customised solution, please contact our technical specialists by selecting the "Add to enquiry" button and using our enquiry form or at sales@lasec.com.
Installation, training and special delivery requirements, such as the need for tail-lift trucks and additional labour and installation for large equipment and hazardous material (Hazmat) packaging, are chargeable in addition to standard freight and will be quoted separately before dispatch.
Online ordering is currently limited to South African customers, but our full range is still available. If you are ordering from outside South Africa, please log an enquiry or email internationallabsales@lasec.com, and our international sales team will gladly assist you through our traditional sales channels.
Availability:On Request
SKU
IDELPR2-4
BrandDelta-T Devices
The PR2 Profile Probe provides easy and accurate soil moisture profiles. No other soil moisture probe system enables you to easily and flexibly monitor your soil water profiles. Install an access tube into the soil, insert the PR2 Profile Probe, and press the HH2 [Read] button to display an instantaneous reading, or connect the PR2 to a data logger (GP2 or DL6) and leave the system to record soil moisture changes over time.
The PR2 soil moisture probe is built around patented sensing technology, which provides unprecedented performance in all soil types, with minimal influence from either salinity or temperature. The PR2/4 model measures soil moisture at 4 depths down to 40 cm; the PR2/6 measures at 6 depths down to 100 cm. The PR2/4 has sensing elements at 10/20/30/40 cm. The PR2/6 has sensing elements at 10/20/30/40/60 and 100 cm
HH2 Meter
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.
Loggers for analogue Profile Probes
Delta-T offers a choice of two suitable data loggers. Both have dedicated PR2 Profile Probe input channels and connectors. The DL6 Data Logger can log one PR2/6 or one PR2/4 Profile Probe. The GP2 Data Logger can log up to two PR2/6s or three PR2/4s.
Applications
- Soil moisture profiles
- Agriculture
- Hydrology
- Civil engineering
| Measurement | Volumetric water content |
| Accuracy | ± 0.04 m3 .m-3 (4%) With soil-specific calibration |
| Soil moisture measurement range | Full accuracy over: 0 to 0.4 m3.m-3 Full range: 0 to 1.0 m3 .m-3 |
| Salinity range | 50 to 400 mS.m-1 Salinity errors included in calibration |
| Temperature range | Full accuracy over: 0 to 40°C |
| Output | (ANALOGUE) 0 to 1.0 V differential PR2/6: x6 outputs, PR2/4: x4 (SDI-12) Digital |
| Power requirement | (ANALOGUE) 5.5-15 V, PR2/6: ~120 mA for 1s PR2/4: ~80 mA for 1s Minimum 7.5 V with 100 m cable (SDI-12) Power consumption < 60 mA at 12 V DC Sleep current < 2 mA at 12 V DC |
| Environmental | IP67 (when installed in access tube) |
| Sample volume | -95% sensitivity within a cylinder of diameter 200mm Sample volume is weighted towards soil immediately surrounding the rods |
| Dimensions | PR2/6: length 1350 mm PR2/4: length 750 mm Both: 25.4 mm diameter |
| Weight | PR2/6: weight 1.2 kg PR2/4: weight 0.8 kg |
| Sensor calibrations | Individual sensors are interchangeable. Recalibration advised every 3 years (depending on use). |
| Soil calibrations | Generalised mineral and organic soil calibrations are supplied. |
| Brand | Delta-T Devices |
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