Report CopyRight/DMCA Form For : Geotextile Testing Equipments Last
Meets EN ISO 13433 2006 BS 6906 Part 6 Cone Drop Test Apparatus MI GE 1003 Cross Permeability Test Apparatus Permeability of a geotextile must be substantially greater than that of the protected soil so that water can pass freely from the soil through the fabric without build up of hydrostatic pressure A high value of the
GEOTEXTILE GEOSYNTHETICS TESTING,EQUIPMENTS,MI GE 1001. Thickness Gauge for geotextile, This is used for measuring the thickness of the geotextile The thickness. of the geosynthetic material can be measured with an accuracy of 0 002. mm depend on the dial gauge accuracy for thickness up to 10 mm Dead. weight mechanism is provided to apply desired pressure varying from 2. 20 and 200 kPa surface plate is grounded and is rust free to enable. reproducible results,Meets ASTM D 5199 EN ISO 9863 1 IS 13162 3. Thickness Gauge,MI GE 1002,Cone Drop Test Apparatus. Method to determine the resistance of geosynthetics to penetration by. steel cone dropped from a fixed height as a simulation of dropping sharp. stones on their surface Generally applicable to all geosynthetics. However the test principle may not be applicable to some types of. products The specimen is clamped between two steel rings A steel cone. 45 tip angle 1000 g is dropped from a height of 500 mm onto the centre. of the specimen The degree of penetration is measured by insertion of a. graduated cone into the hole, Note Electrically cone release facility also available. Meets EN ISO 13433 2006 BS 6906 Part 6 Cone Drop Test Apparatus. MI GE 1003,Cross Permeability Test Apparatus, Permeability of a geotextile must be substantially greater than that of the. protected soil so that water can pass freely from the soil through the. fabric without build up of hydrostatic pressure A high value of the. permeability of the geotextile also infers that partial clogging will not. reduce the permeability The constant head test is carried out using a. head of 50 mm of water,Essential Accessories,Overhead Tank. Loading unit 300 kPa capacity,Cross Permeability Apparatus. Cross Permeability Test Apparatus,MI GE 1004,Permittivity Tester. Permittivity Tester, These test methods cover procedures for determining the hydraulic conductivity water permeability of geotextiles. in terms of permittivity under standard testing conditions in the uncompressed state Included are two procedures. the constant head method and the falling head method. In Constant Head Test A head of 50 mm water is maintained on the geotextile throughout the test The quantity. of flow is measured versus time The constant head test is used when the flow rate of water through the geotextile. is so large that it is difficult to obtain readings of head change versus time in the falling head test. In Falling Head Test A column of water is allowed to flow through the geotextile and reading of head changes. versus time is taken The flow rate of water through the geotextile shall be slow enough to obtain accurate. Meets ASTM D 4491 99a IS 14324,MI GE 1005,Dry Sieve Test Apparatus Apparent Opening Size. The test involves sieving rounded particle sizes for which 5 or. less by weight pass through the geotextile The Apparent. Opening Size AOS is defined as Retained On size of that. fraction expressed as a standard sieve number size The test. is widely used for relative comparison amongst the geotextiles. Thus AOS is a means of correlating geotextile pore structure to. an equivalent screen mesh size The apparatus consist of a 20. cm dia brass frame with clamp a receiver and a lid Dry Sieve Dry sieve test apparatus. Test Apparatus,Meets ASTM D4751 87 BS 6906 2 IS 14294. Essential Accessories,MI GE 1005001,Sieve Shaker Table top type. To make the process of sieving easier and quicker electrically. operated mechanical table top type sieve shakers are offered. for dry sieving These Sieve Shakers are popularly used not. only in soil laboratories but also dry sieving the geotextile. Sieve shaker with AOS,MI GE 1005002,Glass beads, The Beads of the following size is available in One Kg pack. Rounded Beads made of glass size 0 85 mm,passing 1 mm and retained at 0 85 mm. Rounded Beads made of glass size 0 425 mm,passing 0 85 mm and retained at 0 425 mm. Rounded Beads made of glass size 0 25 mm,passing 0 425 mm and retained at 0 25 mm. Rounded Beads made of glass size 0 18 mm,passing 0 25 mm and retained at 0 18 mm. Rounded Beads made of glass size 0 15 mm,passing 0 18 mm and retained at 0 15 mm. Rounded Beads made of glass size 0 075 mm,passing 0 15 mm and retained at 0 075 mm Beads. MI GE 1006,In Plane Permeability Test Apparatus, This test is necessary for drainage application The. permeameters can be of parallel flow or radial flow type In either. case flow occurs along the plane of the permeamatre In the. apparatus flow occurs radically outwards from a central hole to. the periphery of a circular specimen The transmissivity is defined. as the volumetric rate of flow per unit width of geotextile and unit. hydraulic head,Essential Accessories,Overhead Tank In Plane Permeability Test. Loading unit 300 kPa capacity,MI GE 1007D,Universal Testing System for Geotextiles with. Digital Load Indicator, The Universal Testing Machine is designed to carry out. various tests on Geotextiles viz Narrow wide Tensile. Strength Trapezoidal Tearing Strength CBR Push, through and Puncture Strength etc The machine gives a. choice of seven constant rates of travel of the lead screw. ranging from a maximum of 320mm min to a minimum of. 50 mm min The capacity of the machine is 100kN, 10000kgf It is provided with two no of load cell 100 KN. MI GE 1007S,Universal Testing System for Geotextile with. Microprocessor control Universal Testing System for Geotextiles with Digital. The unit is Digital Microprocessor control and speed Load Indicator. regulating by servo controlled motor and the speed can. be from 5 mm to 500 mm This frame also be use with. CBR test on soil Marshall stability test on Bitumen and. many more tests where speed required is with in the limit. and maximum load is below 100 KN,Specification,Mounting Floor Standing. Capacity 10000 Kg,Load cell 10000 Kg Tension Compression. Force Measuring Accuracy Better than 1,Speed 50mm min to 350 mm min. Position Measuring Resolution 0 1mm,Computerisation Optional RS 232 Software. Note Additional software is also available viewing the. test on excel format,The following attachments are available for. Geotextile testing,Universal Testing System for Geotextiles with. Microprocessor control,MI GE 1007 1, Wide Width Tensile Strength Wide width strip Method. Meets ASTM D 4595 86 ISO 10319 2008 IS 13162 Part 5. Two clamping systems 8 cm wide and 22 5 cm wide are. mechanical wedge type and facilitate conducting Narrow Strip and. Wide Width Tensile Strength tests as per many international. specifications These grips allow simple and rapid sample loading. Wide Width Tensile Strength,MI GE 1007 2,Grab Tensile Strength Test Breaking load and. elongation of geotextile, This test measures the ability of the geotextile to distribute. concentrated loads Specially devised clamps 25 mm wide with. a gauge length of 100 mm are placed across 200 mm square. samples or 200 mm x100 mm samples The sample is then. subjected to tension at a specified rate until failure occurs It is. widely used by manufacturers as a quality control tool and as. such is the most commonly reported tensile strength value It can. also be used for relative comparisons between geotextiles of the. Meets ASTM D 4632,Grab Tensile Strength Test,MI GE 1007 3. Trapezoidal Tear Resistance Test, Geotextiles can be cut or punctured during field installation which. can create a possible condition by which strength is controlled by. a tearing resistance An outline of an isosceles trapezoid is. marked on a rectangular specimen 150 mm x 75 mm cut for the. determination of tearing strength with a 6 to 9 mm cut and the. nonparallel sides of the trapezoid marked on the specimen are. clamped in parallel jaws of the Tensile Testing System. Meets ASTM D 4533 IS 14293,Trapezoidal Tear Resistance Test. MI GE 1007 4,CBR Push Through Test, Fabric is clamped to give an inner diameter of 15 cm and a 50 mm CBR. plunger is pushed centrally through a fabric at a specified rate The load at. failure is the push through load and when divided by the cross sectional area. of the plunger gives CBR push through resistance,Meets ASTM D 6241 BS 6906 part 4 ISO 12236 2006. CBR Push Through test,MI GE 1007 5,Puncture Test, The geotextile specimen is clamped to obtain an inside dia of 44 45 mm and. force is applied through an 8 mm dia plunger till failure The puncture. strength so obtained is felt to reflect the fabric s ability to withstand aggregate. penetration,Meets ASTM D 4833,Puncture Test,MI GE 1008. Index Puncture Test Ball Bursting Strength of Textiles. The geotextile specimen is clamped to obtain an inside diameter of 44 45 mm and force is applied through steel. ball having 25 mm diameter at the rate of 305 mm min and continue at that speed until the specimen bursts. Record to the nearest 0 5 N the ball bursting strength of the specimen. Meets ASTM D 3787,MI GE 1009,Hydrodynamic Sieve Test Apparatus. The apparatus consists of two test drums of 14 cm dia and 10 cm. effective length with 16 nos of 4 mm dia rods provided. circumferentially at equal spacing to hold the geotextile specimen in. position Two troughs to contain the test drums are supported on. horizontal axis facilitating free rotation and capable of being filled with. distilled water to a level of 20 mm below the drum axis The clearance. between the trough and the geotextile could be maintained at about 40. mm The apparatus is provided with a motor drive and a change gear. assembly to enable rotation of the drums at a speed of 20 rpm Hydrodynamic Sieve Test Apparatus. Note This machine is also available with servo controlled unit having 5 30 rpm speed with digital. MI GE 1005002,Glass Beads, The Beads of the following size is available in One Kg pack. Rounded Beads made of glass size 0 85 mm passing 1 mm and retained at 0 85 mm. Rounded Beads made of glass size 0 425 mm passing 0 85 mm and retained at 0 425 mm. Rounded Beads made of glass size 0 25 mm passing 0 425 mm and retained at 0 25 mm. Rounded Beads made of glass size 0 18 mm passing 0 25 mm and retained at 0 18 mm. Rounded Beads made of glass size 0 15 mm passing 0 18 mm and retained at 0 15 mm. Rounded Beads made of glass size 0 075 mm passing 0 15 mm and retained at 0 075 mm. MI GE 1010,Interface Friction Test Apparatus, This test method covers a procedure for determining the shear resistance of a geosynthetic against soil or a. geosynthetic against another geosynthetic under a constant rate of deformation. Note Direct shear apparatus is to be order separately. Meets ASTM D 5321 02 EN ISO 12957 1 200,MI GE 1011. Abrasion resistance of geotextile, This test method covers the determination of resistance of geotextiles to abrasion using an abrasion tester This. test method at this point has only been evaluated for geotextiles not geomembranes grids etc Therefore the. test method is designated for geotextiles not geosynthetics as all products may not lend themselves to this test. method for abrasion If later developments indicate a wider scope for this test method appropriate changes will be. made The assembly should be two parallel smooth plates one of which makes a reciprocating motion The. speed of the reciprocating plate should be adjustable between 10 and 115 double strokes per minute The stroke. length should be 25 mm 1 in The second plate is rigidly supported by a double lever assembly to provide free. movement in a direction perpendicular to the reciprocating plate This plate is stationary during the test and must. be well balanced so that a vertical load can be maintained by means of dead weights Both plates are equipped. with clamps at each end to hold the test sample and the abrading medium The clamps have gripping surfaces. adequate to prevent slippage of the specimen or the abrading material during the test. Meets ASTM D 4886 91 IS 14714 EN ISO 13427 199,MI GE 1012. Creep tester, It consists of a loading frame for the specimen to be mounted the load to be correctly applied and strain. monitored The connections between jaws and loading apparatus have sufficient freedom that the load is applied. uniformly across the width of the specimen The jaws shall grip the specimen with sufficient firmness to allow. minimum slippage,Meets IS 14739,MI GE 1013,Environmental Chamber. This chamber is capable of maintaining a temperature range from 40 to 100 C and controlled by the PID. controller for better accuracy,Meets ASTM D 4594,SOIL TESTING INSTRUMENTS. COMPACTION, Soil compaction is a fundamental requirement for the construction of earth fill for dams reservoirs canal. embankments highways railways and runways The relationship between soil moisture content and compacted. dry density is very useful for deciding construction specifications and quality control of compacted earth fill While. designing an earth or earth retaining structure the strength and deformation behaviour of soil is evaluated by. testing soil specimen compacted to the density as would be achieved during construction The construction quality. control is essentially to check the density of compacted soil achieved in the field thereby checking its strength. Meets IS 2720 Part 7 1987 IS 2720 Part 8 1990 IS 9198 1979 IS 10074 1982 BS 1377. MI SO 1001,Compaction Test Rammer Manual,We offer two types of modals as follows. Compaction Test Apparatus having 2 86 kg rammer X 300 mm fall light compaction test. Compaction Test Apparatus having 4 89 kg rammer X 450 mm fall heavy compaction test. MI SO 1002,Compaction Test Moulds,Compaction Mould Dia 4 Made of Gun metal. Compaction Mould Dia 4 Made of M Steel,Modified Compaction Mould Dia 6 Made of Gun metal. Modified Compaction Mould Dia 6 Made of M Steel,Compaction Mould. MI SO 1003D,Universal Automatic Compactor Digital, It is a motor driven mechanical compactor useful for soil compaction. Two sets of Rammers are provided The rammer assembly is provided. with a ratchet and pawl arrangement to lift it from the top of the soil. layer When the rammer reaches the required height the pawl release. the rammer which falls freely on soil surface An automatic blow. counter fitted to the compactor is used to set the number of blows The. base plate of the specimen mould is to be fitted to the rotating base. plate of the instrument which marks 1 5 revolution per stroke The. equipment is suitable for operation on 230 V 50 Cycles Single Phase. A C supply,Meets ASTM D 558 BS 1377 4,Note Only one mould is provided with the machines. Universal Automatic Compacter,CONSOLIDATION, This test is for conducting one dimensional consolidation test using either fixed or the floating ring for determining. The consolidation characteristics of soil, Meets IS 2720 Part 15 1986 IS 12287 1988 BS 1377 ASTM D2435. MI SO 1004,Consolidation Apparatus, The standard outfit comprises fixed ring type of consolidometer cell for testing. specimens 60 mm dia x 20 mm thick but the unit is so designed that specimens. of varying sizes from 50 mm dia to 100 mm dia can also be tested Besides the. same loading unit can be used with floating ring consolidometer cells which can. be supplied at extra cost The standard outfit is supplied with a set of weights to. give a total pressure of 10 kg cm2 besides a seating load of 0 05 kg cm2 on the. specimen but an additional set of weights are required to reach the full. capacity of 20 kg cm2 The necessary accessories to perform the permeability. test of the Varying Head type can also be provided at extra cost The outfit is. also available as three gang or six gang in which three six consolidometers are. mounted on a single frame The consolidation may be measured by the. conventional dial gauges or using the transducers and electronic readout unit in. Digital Modals,Consolidation single cell,MILESTONE INSTRUMENTS offers the following models. Consolidation Apparatus 60mm specimen dia single gang. Consolidation Apparatus 60mm specimen dia three gang. Consolidation cell assembly,MI SO 1005,DIRECT SHEAR APPARATUS. Used to determine the resistance to shearing of all types of soil specimens both consolidated and drained. undisturbed or remolded samples, Meets IS 2720 Part 13 ASTM D 3080 IS 2720 Section 1 Part 39 IS 11593 1986 IS 11229 1985. 2720 Part 13 1986,MILESTONE INSTRUMENTS offers the following models. 1 Direct Shear apparatus 2 KN Manual,Specimen Size 60 x 60 x 25 mm. 2 Direct Shear apparatus 2 KN Motorised,Rates of Strain mm min 1 25. Specimen Size 60 x 60 x 25 mm, Power Specifications 230 V 50 Hz Single Phase AC supply. 3 Direct Shear apparatus 2 KN Motorised with Digital. Read Out Digital, Rates of Strain mm min 1 25 Specimen Size 60 x 60 x 25 mm Direct Shear Apparatus Manual. Power Specifications 230 V 50 Hz Single Phase AC supply. 4 Direct Shear apparatus 2 KN, Type of Shear Measurement Direct Residual Operation By stepper motor. Rates of Strain 0 00001 to 9 99999 mm min,Specimen Size 60 x 60 x 25 mm. Digital Display Displacement and Speed with 0 00001 mm resolution. Provided with RS232 for PC connection,Max vertical direct load 3 kg cm2. Power Specifications 230 V 50 Hz Single Phase AC supply. 5 Pneumatic Direct Shear apparatus 2KN, Direct Residual Shear Apparatus utilizes the pneumatic loading concept for applying the vertical load to the. sample It eliminates the need of loading weights used in dead weight type systems. Type of Shear Measurement Direct Residual Operation By stepper motor. Vertical Load is applied by the pneumatic loading concept. Rates of Strain 0 00001 to 9 99999 mm min,Specimen Size 60 x 60 x 25 mm. Digital Display Displacement and Speed with 0 00001 mm resolution. Provided RS232 for PC connection,Max vertical direct load 3 kg cm2. Power Specifications 230 V 50 Hz Single Phase AC supply. 6 Large Direct Shear Apparatus Motorised 30 kN 3 000. For testing sands gravel gravely clays and clay gravels for use. in rolled fill embankments,Type of Shear Measurement. Rates of Strain mm min 72 speeds Ranging from,0 0014 to 10 16mm min. Specimen Size 30 x 30 x 15 cm,Change gears 12,Horizontal Load capacity 30 kN. Vertical load capacity 300 kN m2,Power supply 220 V 50 Hz 1 phase AC supply. Direct Shear Apparatus 50 KN, 7 Large Direct Shear Apparatus Motorised 50 KN 5 000 kgf. For testing sands gravel gravely clays and clay gravels for use in rolled fill embankments. Type of Shear Measurement,Direct Operation Motorised. Rates of Strain mm min 72 speeds Ranging from 0 0014 to 10 16mm min. Specimen Size 30 x 30 x 15 cm,Change gears 12,Shear Load capacity 50 kN. Vertical load capacity 500 kN m2,Net weight 990 kg. Power Specifications 220 V 50 Hz 1 phase AC supply. Meets IS 2720 Section 1 Part 39 IS 11593 1986,MI SO 1006. DYNAMIC CONE PENETROMETER, For determining the resistance of different soil strata to dynamic penetration of a 50 mm cone and thereby obtain. an indication regarding their relative strengths or density or both The method helps survey of large area in a short. time In some cases especially if the depth is great it may be difficult to pull out the cone after the completion of. the test Hence the cone without threads should be used in the case of deep soundings as it may be left in the. ground For shallow depths generally up to 15 m if the conditions permit the cone with threads may be used. It consists of following,Cone Plain 50mm base dia and cone angle 60 deg. Cone adaptor with cone and standard threads for A rod coupling. Cone threaded for A rod coupling 60 deg cone angles 50mm base dia. CALIFORNIA BEARING RATIO, The CBR test is used for determining the relative bearing ratio and expansion characteristics under known. surcharge weights of base sub base and sub grade soils for the design of roads pavements and runways Tests. can be conducted on all types of soils including sand gravel and washed stone passing through 20 mm IS Sieve. The CBR test is used extensively in selection of materials and control of sub grades The procedure consists of. loading soil with a circular piston 50 mm dia face and maintaining a penetration rate of 1 25 mm min The load is. noted and the results of test on natural or recompacted soils in soaked and unsoaked conditions can be. compared with standard test results,Meets IS 9669 1980 IS 2720 Part 16 1979. MI SO 1007,Laboratory CBR Apparatus Manual 50 KN,Same as MI SO 1008 but having manual operation. MI SO 1008, Laboratory California Bearing Ratio Test Apparatus Motorised. The apparatus consists of,Mould 150 mm ID x 175 mm high M steel. Metal Tripod for Dial Gauge,Penetration Piston 50 mm face dia. Circular Metal Spacer Disc with detachable handle 148 mm dia x. 47 7 mm height, Perforated Plate 148 mm dia with adjustable Stem and Lock Nut. Soaking Tank for six CBR mould,Extension Collar 150 mm ID x 50 mm high. Annular Metal Weight 2 5 kg 147 mm dia with 53 mm dia central hole. Slotted Metal Weight 2 5 kg 147 mm dia with 53 mm dia slot. Swell Plate,Cutting Collar,CBR load frame Three,MI SO 1009. Laboratory California Bearing Ratio Test Apparatus Motorised with Digital Display and Multiple. This motorised machine with electronic digital control by microprocessor is suitable to perform all the tests where. the requested speed rate is within 0 1 to 60 0 mm min with Max Load of 50 KN. MI SO 1010, California Bearing Ratio Test Apparatus Field Type. The use of the in situ CBR apparatus on large road construction projects has increased considerably in recent. years This apparatus mounted on a rolled steel joist cantilevered from the back of the truck or fitted to the. underside of a mobile frame can be used to determine the bearing capacity of soils quickly and efficiently This. method of testing in situ using piston penetration is useful for determining the load carrying capacity in the field. when the in place density and water contents are such that the degree of saturation is 80 or greater when the. material is coarse grained and cohesion less so that it is not affected by changes in the water content and when. the material has been in place,Optional Extra,Dial Gauge 0 01x25 mm. Proving Ring 50 kN 5 000kgf capacity,Meets IS 2720 Part 31. MI SO 1011,CONE PENETROMETER METHOD,Available in two options as follows. Cone Penetrometer Automatic, The unit is supplied complete with a stainless steel penetration test cone 35 mm long with a. smooth polished surface and an angle of 30 Facility exists for adjusting cone height in. relation to the specimen Cone Penetrometer consists of one each of the following. Automatic Timer Penetration Test Cone Penetration Test Cup 55 mm dia x 40 mm deep. Cone Penetrometer, Cone Penetrometer consists of one each of the following. Penetration Test Cone Penetration Test Cup 55 mm dia x 40 mm deep. Meets IS 2720 Part 5 1985 IS 11196 1985,Automatic Cone. Penetrometer,MI SO 1012,LIQUID LIMIT, The liquid limit defined as the moisture content at which the soil passes from the plastic state to the liquid state is. very helpful in the classification of the potential properties of the soil material The liquid limit gives a measure of. the shearing resistance which a soil has when mixed with water Casagrande Method or Cone Penetrometer. Method can determine the liquid limit of soil,Meets BS 1377 ASTM 89 IS 2720 Part 5 IS 9259. MILESTONE INSTRUMENTS offers the following models, Liquid Limit Device complete with Casagrande s grooving tool and gauge block. The Liquid Limit Device consists of a hard rubber base carrying a sliding carriage assembly to which a brass cup is. hinged The cup is raised and allowed to fall through a height of 1 cm on to the hard rubber base by the help of a. lead screw provided at the back of the sliding carriage Supplied complete with Casagrande Grooving Tool and. Gauge Block, Liquid Limit Device complete with Casagrande s grooving tool gauge block and Counter. Liquid Limit Device Motorised complete with Casagrande s grooving tool gauge block and. The Liquid Limit Device consists of a hard rubber base carrying a sliding carriage assembly to which a brass cup is. hinged The cup is raised and allowed to fall through a height of 1 cm on to the hard rubber base by the help of of. electric motor which operates on 220 Volts 50 Hz and also lead screw provided at the back of the sliding carriage. Supplied complete with Casagrande Grooving Tool and Gauge Block. Liquid Limit Hand Operated,Liquid Limit Electrical operated. MI SO 1013,Multi speed Universal Load frame 50 KN, This motorised machine with electronic digital control by microprocessor is suitable to perform all the tests. Speed Rate 0 1 mm min to 60 mm min,Max Load 50 KN,Meets BS 1377 4 ASTM D 1883 D 3668. It can be use for the following tests,Triaxial Test for soil. Unconfined test for soil,CBR test for soil,Marshall test of Bituminous Products. Duriez test of Bituminous Products,Indirect Tensile of Bituminous Products. POWER SUPPLY 230 V Single Phase 50 Hz, Note Data logger can also be supplied for recoding the stain and displacements. MI SO 1014,Load Frame Motorised 30 speeds 50 KN 5 000 kgf. Main features of the load frame is for Triaxial and CBR Tests. Specification, The Load Frame consists of a cabinet which houses the gear system and motor with. sturdy angle iron frame The loading is done through the bottom loading platen which is. carried on a lead screw which advances upwards The top load bracket which slides. over two upright pillars can be positioned at any desired height and locked It carries a. hexagonal screw adapter for standard proving rings The loading part of the unit is. detachable from the main unit for ease of transport and to avoid damage to the tension. rods Rates of strain 30 between 6 mm min and 0 00048 mm min By interchanging. the drive and driven gears another set of 24 rates of strain can be obtained Operate on. 230 V 50 Hz single phase AC Supply,MI SO 1015 Load Frame. Load Frame Motorised 12 speeds 200 KN 20 000 kgf, The Load Frame is extremely versatile and designed to conduct triaxial shear test on soil and rock specimens The. instrument consists of a cabinet which houses the gear system and motor with sturdy angle iron frame The. loading is done through the bottom loading platen which is carried on a lead screw which advances upwards The. top load bracket which slides over two upright pillars can be positioned at any desired height and locked It. carries a hexagonal screw adaptor for standard proving rings The loading part of the unit is detachable from the. main unit for ease of transport and to avoid damage to the tension rods Rates of Strain 12 between 1 25 and. 0 00032 mm min Suitable for operation on 230 V 50 Hz Single Phase AC Supply.