AZ pF Soil Hydraulic Parameter Laboratory Measurement Kit

AZ pF Soil Hydraulic Parameter Laboratory Measurement Kit

1、 Purpose: To measure the soil moisture characteristic curve and saturated and unsaturated hydraulic conductivity curves of natural soil conditions.

IIAZ pF Soil Hydraulic Parameter Laboratory Measurement KitPrinciple:

Measuring soil using the pressure plate methodpFThe curve and tensiometer method are used to measure the unsaturated hydraulic conductivity of undisturbed soil, and the saturated hydraulic conductivity is measured under constant and non constant water pressure.

3、 Technical parameters

Moisture characteristic curve measurement unit one:

Fully automatic wet dry alternation measurement, capable of measuring hysteresis curves.

measurement0~1mMeasure soil inside the water columnpFCurve, make up for it15barInsufficient measurement of low water suction.

Intake value: greater than1000hPa

Vacuum control system: microprocessor with pressure sensor

display: 3A system pressure display screen

Sample circulation: diameter53mmabout40One, diameter60mmabout30a

Pressure increment: up to50A gradient, adjust each gradient1mmIncremental,1~1000mm

Flow measurement accuracy:0.1ml

Number of wet dry cycles:1to4time

Moisture characteristic curve measurement unit 2:

fully automatic measurement

Simultaneous measurement of soil moisture characteristic curve and soil unsaturated hydraulic conductivity

range+3.0 hPato-1000 hPa

in0 to100kPaCan obtain more than within the range100 A data point

Moisture characteristic curve measurement unit three:

Range: Water potential:0 to-300 MPa

Measurement time: Soil sample 10 to15min(Precision Mode)The<5 min (Quick Mode)

Soil saturated hydraulic conductivity measurement unit:

Fully automatic, high-precision measurement system

Constant head and variable head are optional, suitable for measuring the hydraulic conductivity of different types of soils

Measurement range:0.01cm/dto5000cm/d

Water conductivity of porous plate（Ks）：Ks=14000cm/d

Accuracy of pressure sensor:1Pa

Accuracy of temperature sensor:±0.3℃

KsAutomatic temperature compensation for saturated hydraulic conductivity calculation results

Manual sampling kit:

This kit consists of: undisturbed soil sampler1One, hit the handle1OneTType handle1One100cmextension rod4Root50cmextension rod1Root, pre drilled drill bit1One, energy absorbing hammer1Steel scraper1Take, steel shovel1Clean the brush1Handle, wrench2One, tape measure1One, gloves1Deputy, aluminum box1One.

4、 System composition:

Moisture characteristic curve measurement unit, saturated hydraulic conductivity measurement unitManual sampling kitData analysis software

5、 Origin:China