STQY1-3 Improved Osmometer

    Technical parameter：
    Cr Mix compression osmotic can determine uplift coefficient of permeability Cr
    Can determine the foundation soil uplift coefficient of permeability Kre Kre
   
    Specimen’s dimensions：30cm²high2cmDuplex
    Max soil pressure: Consolidation pressure1000Kpa
    Osmotic pressure：200Kpa
    Min.output transducer：1Kpa
　

   ST55-2 Improved Permeameter

    Technical parameter：
    Specimen’s dimensions：Ф61.8mm×40mm
    Max water leakage：100Kpa
    Characteristic: Features: Pack installed convenient, even by force (Middle hand spinning round) and good sealing

   ST55-3 Measuring board for the permeameter

   It is suitable for the improved permeameter ST55-2.

    ST-70 Permeability Testing Machine

   It is used to determine the penetration coefficient when the sand soil and the incoherence soil which has few broken-stones to carry on the permeability test under constant head.

   Inside diameter of the cylinder：Φ100mm，Height of the cylinder:400mm

  Three measuring pressure holes

  Supply-water bottle

  Distance between the measuring pressure holes：100mm

  Size of the instrument：400×226×146mm

    STGD-3 Photoelectricity Liquid Plastic Limit United Device(76g 100g)

    he cone’s angle is 30°, the depth in the earth is optically amplified and projected, with high precision, no friction, and automatically reading.

    Technical parameter：
    Cone’s weight：76g、100g
    Working voltage：AC220V
　

  STYS-1 Digital Liquid Plastic Limit United Device

    The equipment used for determination of soil liquid and plastic limits .It’s for determining soil types to calculate natural consistency, plasticity index provide reliable data. It's use digital display technology and can automatically regular measurement and display. With stable performance, reliable data, and high accuracy, intuitive readings, clear and easy to operate, high efficiency
    Technical parameter：
    1.Max.range：22mm
    2.Resolution：0.1mm
    3.measure nonlinear error：<2％
    4.Contact sensitivity instructions：>10M
    5.cone’s weight：100g（±0.1g） 76g（±0.1g）
    6.Cone：30° ±2°
    7Measuring Time：5 S
    8.Working voltage：200V ±10％ 50HZ
    9.Work time：8小时
    10.The weight of machine：5.3kg
    11.Outer dimension：240mm×158mm×320mm
　

    STDS-1 Disc Type Liquid Limit Device

    The apparatus contains a brass pan, which is used to accommodate soil specimens, a base made from fine vulcanite, an impacting device, that is to say, a cam, which is used to set the distance between the pan and the base at 1 cm, a calculator and a groove handler.
 
    USE FOR：
    It is used to determine the liquid limit of the soil, to classify the soil, to provide soil consistency and plastic index needed in design and construction.

    Technical parameter：
    1.Electric motor as power
    2.Infall frequency of the disc: 120 strikes/min
    3.Embedded a strike counter
　

   DW-1 Electric Strain Controlled Unconfined Compression Apparatus 

   The Electric Strain Unconfined Compression Tester is used to determine the unconfined compressive strength and the sensitivity of soft clay of stronger saturation.

   The journey of the lift plate per round the wheel rotates：0.2mm

   Max. journey of the lift plate：30mm

   Max. axial load：0.6KN

   STSC-10A moisture teller 

  Weighting range：10g

  Division value：5mg

  Range of the staff gauge：0-1g

  Precision of the moisture content：±0.2%

    STLQ-1 Pavement material strength tester

   Max. rated load：100KN

   Max. elevating distance of the plate of the lead screw：200mm

   Controllable velocity： High-speed:50mm/min  Low-speed:1mm/min

   Manual speed：1/6mm

   Rating of machine：JW7134  550W、380V、1400RPM
　

    STLQ-3 Digital Pavement Material Intensity Test Apparatus (Can print)
    It can perform unconfined strength test, CBR test, Masher test, Rebound modulus test, Lighting test on materials of pavement and roadbed

    Technical parameter：
    Max load：100KN
    Stability：±0.5%
    Precision：±1%
    Allowed overload：＋30%digital display, limit overload
    Display speed：20T／S Scanning speed：100T／S
    Lift speed: variable speed

    STLQ-3A Digital Pavement Material Strength Tester

   Max load：100KN
   It can perform unconfined strength test, CBR test, Masher test, Rebound modulus test, Lighting test on materials of pavement and roadbed
   Stability：±0.5%
   Precision：±1%
   Allowed overload：+30%（Digital display）digital display, limit  overload
   Display speed：20次/秒  Scanning speed：100次/秒
   Lift speed：variable speed 　

  STLQ-5  Microcomputer Control Pavement Material Strength Tester

   Max load：100KN

   Function: It can carry on the test for the bituminous mixture as following: single axial compression test, the bending test, Marshall test and the split test. It can also do the unconfined compressive strength test and CBR test for the roadbed materials.

   STCBR-1 CBR Tester (CBR)

    Technical parameter：
    Max load：30KN
    Lift speed：1mm/min
    Diameter of the penetration cone：Ф50mm
　

   STCBR-3 Digital CBR Tester

   Max.load：30KN

   lift speed：1mm/min

   penetration cone：Ф50mm

    CBR Accessories for Water Immersion Expansion

   cylinder size：Φ152×120mm

   Weight of the loading plate：1.25Kgs per piece

   STZJ-1 Heavy-duty Portable Compactor（special）

   Technical parameter ：
    Hammer weight：4.5Kg
    Diameter of the hammer：50mm
    Buttom runby：450mm
    Dimension of the compacting cylinder：Ф152*120mm

    STDJ-3型数显多功能电动击实仪（中间击一锤）

   Digital Multifunction Electric Portable Compactor (Middle one hammer)
   Weight of Heavy-duty hammer：4.5Kg
   Height of the fall：450mm
   Weight of light-duty hammer：2.5Kg
   Bottom runby of hammer：300mm
   Diameter of compacting cylinder：Ф100mm、Ф152mm
   Diameter of hammer head：Ф50
   Motor：370W  380V  1400转/分
   Outer dimension：1130×400×650（mm）
   Feature:Microcomputer control, base plate can automatically pull  and push, strike one hammer in the center

　

    STDJ-3A Digital Multifunction Electric Portable Compactor (Middle one hammer)

    Technical parameter：
    Weight of Heavy-duty hammer：4.5Kg
    Bottom runby of hammer：450mm
    Weight of light-duty hammer：2.5Kg
    Bottom runby of hammer：300mm
    Diameter of compacting cylinder：Ф100mm、Ф152mm
    Diameter of hammer head：Ф50
    Motor：370W 380V 1400转／分
    Outer dimension：130mm×400mm×650mm
    Base plate can be drawn automatically; hammer striking in-between
　

    STTM－3 Multifunction Hydraulic Bulldozer

    STTM－4Instant Multifunction Stripper

    Characteristic:：he jack’s stroke is 250mm

  　STDT-2 Electric Multifunction Stripper

    Technical parameter
    Size of sample(mm)：Ф100、Ф101.6、Ф102、Ф150、Ф152（mm）
    Max. Axial force：150KN
    Piston stroke：230mm
    Lift speed：450mm/min
    Working voltage：AC380V 50HZ
　

   STM-2型 Electric Hydraulic Stripper(Automatic Unloading overloading)

  Automatic outloading when overload

  Size of sample：Ф100、Ф101.6、Ф102、Ф150、Ф152（mm）

  Max. axial output load：150KN

  Piston stroke：250mm

   STM-3 Electric Hydraulic Stripper(Automatic Unloading overloading)

   have Pressure revealed and automatically unload when overloaded

    Technical parameter
    Size of sample：Ф100、Ф101.6、Ф102、Ф150、Ф152（mm）
    Max. axial force：300KN
    Piston stroke：250mm
    Working voltage：AC380V 50HZ
　

   STYY-1 Digital Surface Vibration Compactor

    Technical parameter ：
    Power：0.75～1KW
    Librate frequency：45～50HZ
    Range of vibration force：2.5～4.2KN

　

   STZM-1 Vibration Table Method Max. Dry Density Tester

  This instrument uses the vibration table method to determine the max. dry density of the large grain soil with coherent freely draining water.

  Area of the vibration table：600×600（mm）

  Load bearing of the vibration table：＞250kg

  Vibration frequency：50HZ  60HZ
　

    STHT-150 Resilience Modulus Test Apparatus

    Lever ratio：10：1

   101－A Digital Constant Temperature Blast Drying Cabnet Series

    Technical parameter
    Temperature control range：50～300℃
    Temperature control accuracy：±1℃
    Heater：2group
    Work voltage：AC220V 、AC220V

    STZK-82 vacuum drying oven

    STMGS-1 Capillary Bundle Water Height Meter

    The apparatus is used to estimate the possibility to soak and the degree of the roadbase when water goes up.

    STXD-2 Electric Relative Density Meter(Improved)

    It's used for granule soil with diameter less than 5mm, without agglomerate
     Technical parameter
    Vessel：Ф5cm×12.7cm
    Weight of the hammer：12.5Kg 32次／min
    Working voltage：AC220V

    STFSJ-5 Large pulverizing machine

   capacity：16cm3
   Diameter of the broken soil sample： 0.1-0.7mm
   Timing range：0-4min
   engine power：4KW（三相电机，380V）
   rotation speed of the blade：1440road/min
   installation size：570×790mm

    STCLD-1 Static Penetration Testing Apparatus

    This machine can carry on the static penetration test. It also can match with the four-bladed vane to carry on the vane test, so it is convenient to exchange the data. This machine is light, easy to operate and has simple structure and stable performance. It doesn't need the outside power source
　

    SRJX Box Resistance furnace

   The series resistance furnace were found cycle mode of operation for the laboratory, industrial and mining enterprises, and scientific research units for elemental analysis and heating when determination of ordinary steel quenching, annealing, tempering heat treatment.

   Rated power：2～8KW

   Rated voltage：AC220V or AC380V

   Rated temperature：950℃～1300℃

   Feature： Warming up fast and small heat loss

    Vacuum air extraoto Dcvice

    Natural Grading Instrument