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Beijing Ruiding Environmental Technology Co., Ltd
SKS20/SPE20 Soil Pore Water Sampling System
NegotiableUpdate on 07/01
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Overview
SKS20/SPE20 soil pore water sampling system is used to extract liquid phase from soil for analysis. The sampler extracts solution from soil under the negative pressure of a vacuum pump.
Product Details
SKS20/SPE20Soil pore water sampling system
The soil pore water sampling system is used to extract the liquid phase from the soil for analysis, and the sampler extracts the solution from the soil under the negative pressure of a vacuum pump.
The actual composition of the pore water sampler is a semi permeable material sampling cup, extraction tube, and related accessories. The material may vary depending on the sampling purpose.
There are various types of vacuum pumps suitable for sampling different purposes.
The following are introductions to several types of pore water samplers and vacuum pumps, which can be optionally combined according to needs.
sampler
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Ceramic cups made of sintered alumina materials can be used for sampling and analysis of nitrates and common organic and inorganic substances. application l continuous/Discontinuous extraction l Nitrates, chlorides, sulfates, calcium, sodium, ammonium, phosphates l Not suitable for heavy metals advantage l Dead volume（Dead Volume）Very small l The spindle and cup are replaceable l pHscope4to9 Technical specifications Spindle:Ø2.5cmAcrylic resin Porous ceramics:Ø2 cm, Long6 cm Bubble point:-100 kPaOnly the upper limit of water flow is allowed-20 kPa） Suction pipe:PE，Ø0.2cm x Ø0.4cm Protection tube:PVC, diameter1.1cm Sampling quantity: Maximum value: In free water, the vacuum degree is-50 kPaAt that time, every10minabout5 mL； Minimum value: In sandy loam soil, the vacuum degree is-50 kPaAt that time, every1habout5 mL |
Containing membranes specifically designed for heavy metal sampling, porous ceramic cups are usually not suitable for such sampling. application Used for detecting herbicides, pesticides, and heavy metals advantage l The materials in contact with the sample are nylon and polyethylene l Low adsorption rate Technical specifications Spindle:Ø2 cmAcrylic resin Porous ceramics:Ø2 cm, Long6 cm Bubble point:-100 kPaOnly the upper limit of water flow is allowed-20 kPa） Suction pipe:PE，Ø0.16 cm x Ø0.28 cm Protection tube:PVC，Ø 1.1 cm Sampling quantity: Maximum value: In free water, the vacuum degree is-50 kPaAt that time, every10minabout5 mL； Minimum value: In sandy loam soil, the vacuum degree is-50 kPaAt that time, every1habout5 mL |
vacuum pump
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VS-proControllable vacuum pump VSThe series of vacuum pumps can maintain a constant vacuum volume.
Constant vacuum sampling method By using a controllable vacuum pump, the vacuum volume can be maintained at atmospheric pressure and85kPaBetween settings Tension meter control sampling method A tensiometer can measure soil water tension.VSThe series of vacuum pumps can provide an equivalent vacuum volume. Due to the multiple functions of this unit, optimization processing can be implemented for sampling tasks. application Long term monitoring projects, research on leachate under specified conditions, sampling from soil water with a certain pore size advantage High precision vacuum pump Constant vacuum pumping or tension gauge controlled vacuum pumping Rechargeable battery Multiple configuration options Integrated data acquisition technical indicators Power supply:10.5to15 VDC Energy consumption: Average during work period: approximately16mA Standby: Approximately2mA Adjustment period:50to800 mA Interface:tensioLINK，RS485 Analog output:2 x 0 . .. 1 V，... 2 V，... 5 V Vacuum volume setting: Scope:0to-85kPa Accuracy:±0.05 kPa memory5000reading Appearance specifications:26cm ×16cm×10cm Three defense levels:IP 66 Operating Temperature-10℃to45℃ Shell: Aluminum |
VacuPorter electronic vacuum pump Evacuate the sampling bottle to approximately 50 kPaWhen the soil moisture tension is lower thanAt 50kPa, the soil water solution will be extracted until the tension between the sampling bottle and the soil moisture is balanced. This portable vacuum pump has a rechargeable battery that can easily collect pore water samples.
application Qualitative analysis of soil water quality advantage low cost Easy to operate shortcoming Discontinuous sampling Undefined sampling technical indicators Maximum volume: within1bar atmWhen is-85 kPa Maximum pressure:4bar Capacity:10L/min Battery capacity: Running7hour Appearance dimensions:30 x 25 x 13 cm quality10.6 lbs/4.8kg |
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Origin and Manufacturer: United StatesMETERcompany
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