ENTEK INSTRUMENTS (INDIA) PRIVATE LIMITED

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Rock Testing Equipments

depending on the needs of the customer, powered by an engine or an electronic motor. According to need, diamond blades up to 500 mm in length can be supplied. A water tank is used to supply cooling systems to the trolley in which the engine is installed. There are also arrangements to control the depth. The diamond blade also features a safety guard. The machine has two wheels for simple mobility.
Rock Bolt Pull Out Test Apparatus
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Rock Bolt Pull Out Test Apparatus

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IS 11309, ASTM D 4435

Specification:

The objective of the test method is to measure the working and ultimate capacities of rock bolt anchors. The system comprises of a central hole jack, hand pump with a load gauge, directional control value (only for central hole jacks above the capacity of 500 kn), flexible hose pipe 5 mts, truss high tensile bolts with coupling. In general the pullout force is indicated on the load gauge,  how ever a load cell with digital indicator can be used to measure the pull out load. Arrangement is provided for fixing the dial gauge for estimating deflection again the load
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Motorised Core Drilling Machine
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Motorised Core Drilling Machine

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Features:

 

  • Compact size with light weight as well as safety in operation
  • The drills are equipped with a friction clutch as well as over load current protection for protecting motor
  • High-strength gear to keep the drill working long hours constantly
  • Excellent speed, smooth and stability during drilling
  • Out setting water swivel seal facilitate making 
  • replacement when the seal worn out
  • Bits capacity: 25mm Dia - 150mm Dia

 

Specification:

  • Rated Voltage: 220 V / 50Hz
  • Power Input: 2800W
  • No-Load Speed: 840rpm
  • Max. bit diameter: 50mm/100mm/150mm
  • Shaft Male: 1 1/4UNC
Complete Combination:

The core drill includes drill motor, base, column, carriage, control  panel, friction clutch, motor mount plate, rack, gear-box, out setting  water swivel seal, hydraulic system. Optional parts include water pump, rod for ceiling jack, water  container, adapters.

Application:

The Core Drill is the industry standard, designed for concrete,  reinforced concrete, Asphalt and brick in construction
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Asphalt And Concrete Floor Saw
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Asphalt And Concrete Floor Saw

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Driven by electrical motor or by engine as per customers  requirement. Diamond blade from 350 to 500 mm maximum can be supplied as per requirement. The trolley in which the engine is fitted is supplied with cooling arrangements with the help of a water tank. Arrangements to control the depth is also provided. A safety guard is also provided on the diamond blade. Two wheels are provided for easy movability of the machine
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Core Cutting Grinding Machine
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Core Cutting Grinding Machine

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  • Table Mounted
  • Stable Construction Feed arrangement for cutting
  • Feed arrangement for cutting
  • Cooling water arrangement
Specification:

This unit is designed for cutting and grinding cylindrical rock specimens  up to NX size. The outfit includes 200mm dia diamond impregnated  cutter, a fine diamond impregnated grinding wheel a water supply  system and sampler holder. A V-Vice, to hold the sample up to 55mm dia x 140mm long to be cut  parallel and square to the longitudinal axis is provided. Cores longer  that 140 mm can be prepared by reversing the specimen and holding  against the vice ,A hand feed arrangement is provided to facilitate the  specimen with a uniform and smooth feeding motions. This unit is provided  with a 3HP,Three Phase,440VA.C.Motor.
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Polishing And Lapping Machine
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Polishing And Lapping Machine

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  • Compact table model
  •  20 cm dia top and Adapter to 
  • hold polishing cloth or paste
  • Sample Holders to
  • accommodate up to NX size Cores
  • Continuous water feed
  • arrangement during operation
Specification:

This unit is provided with a 1 HP  Single Phase, A.C. motor This bench mounted single spindle lapping machine is Ideally suited jar the final polishing of mounted rock or concrete specimens. Two sample holders of sample size ordered for are provided with each machine as standard supply Sample holders of other size can also be provided on request. This is a motor driven unit with 450/500 rpm. A swing-in tap, for  continuous water supply during operation is also provided.
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Point Load Index Tester
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Point Load Index Tester

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Point Load Index tester, a rock testing instrument for  determining the Diametrical  Point Load Strength Index of  rock cores and Irregular Lumps  which may be tested without any treatment. The  Point Load Test is primarily as index Test for strength classified of rock materials. This instrument is mainly intended for field measurements on rocks specimen, but it can be used in the laboratory. The results of the test may also be

Features 

 

  • Equipment is light and portable
  • Rock core specimens can be tested without any preparation
  • The instrument can be used in the laboratory as well as at the drilling site
  • The results of the test may also be used to predict the  uniaxial compressive strength of rock.
  • With this instrument, a wide range of core size can be tested
  • The frame has adequate adjustments to align perfectly the  loading axis passing through the centre of the bearing plates and loading platens at the position of the ram of the hydraulic jack

 

The equipment comprised the followings:
  • A Loading Frame, fitted with Hydraulic Jack,  hand operated,capacity100KN(10,000kgf)
  •  Load Gauge,25KN (2,500kgf)to read up to 0.25KN(25kgf)
  • Load Gauge,100KN (10,000kgf)to read up to 0.50KN(50kgf)
  • Conical Loading Platens
  •  Diaphragm Bolt

 


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Linear Shrinkage Mould
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Linear Shrinkage Mould

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Specification:

A simple mould which is filled with the soil under test. This is then dried and the resulting decrease os length of the specimen measured is expressed as the linear  shrinkage. It is 25 mm Dia. x 12.5mm Height x140 mm Length
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Semi Automatic Cone Penetrometer
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Semi Automatic Cone Penetrometer

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Used to determine the moisture content at which clay soils pass from a plastic to a liquid state. Two Version are available. One the standard one & the other is semi- automatic with timer where the cone is allowed to free fall for a period of 5 seconds including one each of 50 gm. & 100 gm. weight, one penetrationc one, preset counter& measuring cup.
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Liquid Limit Device With Counter
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Liquid Limit Device With Counter

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Specification:

Cas a grande method in mechanical form is known as liquid limit method and has been in use for soil mechanics for a number of decades. The liquid limit data of soils is useful to correlate mechanical properties of soil, such as compressibility and lower shear strength. Liquid limit is the water content at which soil passes from zero strength to an infinite strength, hence the true value of liquid limit cannot be determined. For determination purpose liquid limit is that water content at which apart of soil, cut bya groove of standard dimensions, will flow together for a distance of 1.25 cm under an impact of 25 blows in a standard liquid limit apparatus. The soil at the water content has some strength which is about 0.17N/cm. sq. (17gms/sq.cm.) . At this water content soil just passes from liquid state to plastic state. It consists on a brass cup held on an adjustable bracket. The cup can be adjusted for a fall of 1 cm and can be raised an dropped on a
rubber base of standard hardness by cam action. Complete with one Casagrande grooving tool, one ASTM grooving tool and a height gauge block. A counter to register the number of blows
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Grain Size Analysis Pipette Method
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Grain Size Analysis Pipette Method

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Specification:

This is for the determination of the sub sieve particle distribution in a soil  sample by mechanical analysis. An analysis of this kind expresses quantity the proportions by weight of the various sizes of particles present in the soil. It is recommended as a standard procedure to use dispersion agent to avoid flocculation. The apparatus consists of a sliding panel which moves up and down by
means of a screw allowing Anderson pipette fixed to it to be raised or lowered vertically. A sedimentation tube is held by a laboratory clamp provided on the stand below the pipette. The depth of immersion is measured by a scale graduated in mm at the side of the sliding panel. Supplied complete with Anderson pipette 10ml. At the side capacity made from glass, and a sedimentation tube also of glass of 500 ml capacity and 50 nos. Test form pads.

Accessories & Spares: (on extra cost)
  • Sedimentation Pipette(Anderson pipette)25ml.
  • Sedimentation tube 100ml
  • Sedimentation pipette 10ml
  • Sedimentation tube 500ml
  • Test forms pad of 50

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Sand Equivalent Test Set
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Sand Equivalent Test Set

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Specification:

Used to determine there levant proportions of clay-like or Plastic fines and dusting ranular soils & fine aggregate


Consists of:

 

  • Acrylic graduated cylinder 
  • Rubber stopper for cylinder
  • Graduated Steel rule 450mm
  • Funnel 100mm plastic
  • Aspiratorbottle5ltsplasticwithrubbercock
  • Stand for the aspirator bottle with siphon assembly
  • rrgation tube with stopp inch cock& weighted foot assembly

 

Optional : Stock solution can be supplied at an extra cos 

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Motorised Sand Equivalent Shaker
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Motorised Sand Equivalent Shaker

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ASTM D2419, AASHTO T 176
  • Stroke Travel(EN) 200 mm +/-1 mm
  • Stroke Travel(ASTM) 203.2 mm +/-1.02 mm
  • Rate(EN) 180mm +/-  2/min
  • Rate(ASTM)175 mm +/- 2/min
  • Dimensions mm (w x l xh )  240x800x 340
  • Weight Kg  27.5

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Heavy Compaction Test
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Heavy Compaction Test

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Dynamic Cone Penetrometer
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Dynamic Cone Penetrometer

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Speedy Moisture Meter
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Speedy Moisture Meter

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The unit consists of a pressure vessel with clamp for sealing cap,  capacity is 20 gms. Rubber sealing gasket, pressure gauge  calibrated in percentage moisture content 0-25% x 0.25% on the wet
weight basis, an electronic balance for weighing sample, a scoop for measuring carbide reagent, a bottle of reagent, one cleaning brush and a set of 4 steel balls for thorough mixing . Complete in highly polished wooden carrying case with handle.

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Rapid Moisture Meter
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Rapid Moisture Meter

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The unit consists of a pressure vessel with clamp for  sealing cap, capacity is 6 gms. Rubber sealing gasket,  pressure gauge calibrated in percentage moisture  content on the wet weight basis, a counter poised  balance for weighing sample, a scoop for measuring  carbide reagent, a bottle of reagent, one cleaning brush and a set of 4 steel balls for thorough mixing . Complete in highly polished wooden carrying case with handle.

Pressure gauge calibrated

0-50% x 0.50%

B : Pressure gauge calibrated

0-25% x 0.25%

Spares:

Carbide reagent in bottles of 500gms.each available on extra cost 

 


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Relative Density Test
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Relative Density Test

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The equipment is used for the determination of the relative density of cohesion less free draining soils and meets the essential requirements

Specification:

The equipment consists one each of: Vibratory table, with a cushioned steel vibrating decks about  75cm x 75cm. It has a frequency of approximately 3600  vibratory table, minute under a 11.5kg load. Amplitude is  variable in between 0.65mm in step of 0.05 to 0.25mm, 0.25 to 0.45 mm and 0.45 to 0.65mm. Suitable for  operations on 415V, Three Phase supply. Cylindrical  metal unit weight mould, 3000ml capacity. Guide sleeve with clamp assembly. Surcharges base plate for mould.  Handle for surcharge base plate. Surcharge weight.

The total weight together with surcharge base plate and handle is equipment to140kg./cm2 .For mould. Cylindrical metal unit weight mould 15000 ml. capacity. (Total weight together with the above mould & surcharge weight is equivalent to 140 kg./ cm2 ) dial gauge 0.01mm x 50mm travel.Extensionpiece25mm for dial gauge.  

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Earth Resistivity Meter
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Earth Resistivity Meter

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ASTM G 57

Capable of measuring earth voltage(VA.C.) 2mA measuring current permits the testing of earth  resistance without tripping earth leakage current  circuit breakers in the circuit. Auto power off function. The t i merop era t es auto power  off function. The time operates the PUSH  BUTTON SWITCH and  TIMER ON BUTTON are pressed together. This will  keep the test NO for.

Then auto power off.

 

  • Battery operated
  • Data hold function
  • Small and light weight
  • IEC1010CAT I II 200V
  • Calibration performed with supplied test  leads

 

Specifications:

 

  • Measurement Ranges
  • Earth Resistance: 0-20W/0-
  • 200W/0-2000W
  • EarthVoltage:0-200VAC(40-500Hz)
  •  

 

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Dead Weight Type Oil And Water Constant Pressure System
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Dead Weight Type Oil And Water Constant Pressure System

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This device is used to maintain cell pressure constant for along duration and the system can be used in place of conventional constant pressure system using mercury pots where certain minimum heights are required. Problems like de-airation of pump, leakage of mercury etc. is eliminated in this system . This unit is smaller in volume and can be used in mobile laboratory also. This can maintain pressure in the cell up to 20kg/cm sq. Pressure is maintained constant in the system by a balancing calibrated weights on a spindle against a column o foil, operating under constant feedback.

Construction:

The system consists of an oil pump continuously driven by an electric motor during the test period. The internal components are housed in a strong compact housing. The piston on which weights are kept rotates with minimum friction. A transparent oil water vessel is provided to transmit pressure to the cell. A hand pump provided facilitates priming and to maintain constant pressure during power failure

Specification :

 

  • Range 0-20 bar (0-20kg/cm
  • Steps of pressure 0.5bar (0.5kg/cm
  • Accuracy +0.5%
  •  Electric supply 230V, Single Phase, 50Hz, AC supply. Supplied complete with pressure gauge, flow valves, 
  • connecting pressure hose and set of weights to give  maximum pressure of 20 bar (20kg/cm

 


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