Conforms to is: 10050-1981, & astm d 4644
This apparatus is used to assess the resistance offered by a rock sample to weakening and disintegration when
Subjected to drying and wetting in a slaking fluid, usually water. The equipment meets the essential
Requirements of is:10050 -1981 & astm d 4644 and comprises the following:
A motor drive with reduction gear mounted on a base board and capable of rotating four drum assemblies at a
Constant speed of 20 rev/min approximately. The motor drive is totally enclosed in a hinged cover for quick
Accessibility. An operating switch is provided in the cover.
Two / four test drums made of brass wire mesh, with one end closed and having a removable cover on the other
End. They have suitable couplings for mounting in the perplex water troughs. The drums are 140 mm in diameter
And have an unobstructed length of 100 mm.
Two / four perplex water troughs, accommodate one test drum each. These drums carry quick couplings on either
End which are in turn coupled with couplings of the motor drive. The troughs allow 40 mm unobstructed clearance
Below the test drum. A water level mark is provided in each water trough 20 mm below the axis of rotation of the
Drum.
Suitable for operation on 220 volts, 50 hz, single phase ac supply.
Order code Lisc-557a Lisc-557b
No. Of test drums 2 4
Brazilian test apparatus It is also called rock tension testing machine. Brazilian test is a test for indirect measurement of tensile strength of rocks. The instrument is useful for testing specimen from 50 mm dia to 100 mm dia and of thickness of half the diameter. The specimen is held in circular jaws, this is primarily similar to a compression machine and consists of a small load frame having sturdy base with two vertical threaded rods and an adjustable cross head. The hydraulic jack is fitted at the centre of the base of the load frame. The jack of the load frame is self retracting and two plain plates are supplied. A pressure gauge capacity 0-200kn x 2 kn is fixed at the base of jack. A maximum pointer is also provided on the gauge, a pair of semi circular platen for 50 mm dia samples also provided. This instrument can be used in field also. Supplied complete with the steel balls. Order code Product Lisc-563 Brazilian test apparatus with 50 mm dia jaws
This method is used for determining the ductility of bituminous / asphaltic materials by measuring the elongation before breaking when two ends of a briquette specimen are pulled apart at a speed of 50mm/min ±25mm per mount at a temperature of 25c ± 0.50c. Specifications: The apparatus consists of a water bath with a digital temp. Controller cum indicator, and a circulating pump to maintain uniform water temperature. One half of the briquette moulds is fixed on a fixed plate in the water bath, the other half of the briquette mould is fixed to a carrier which slides over a rotating threaded shaft with a clutch. The motor and gears to rotate the shaft are housed in a cabinet fixed above the other end of the bath. A Pointer fixed to the carrier moves over a scale graduated from 0-110 cm x 1mm fixed on the bath with “0” (zero) of the scale towards the fixed plate side. The rotating shaft has 2 speeds of travel for the bracket, 5cm/min and 1 cm/min. Selected by a clutch. Water bath inside is stainless steel with an insulation and a water drain. A heater with digital temp. Controller cum indicator is fixed inside the water bath. Control switches for motor, stirrer, heater and indicator lamps are fixed at a convenient place on the water bath. Supplied complete with three ductility moulds and one base plate. Operates on 230 volts a.C. Single phase.
The ZRS-3H Glow-wire Test Apparatus is according to IEC60695-2-1, IEC60695-2-10, IEC60695-2-11, IEC60695-2-12, IEC60695-2-13 (GB/T5169.10, GBT5169.11, GBT5169.12, GB/T5169.13) < Basic testing methods of Glow wire, basic testing methods of Glow wire device>, UL 746A, IEC829, DIN695 and VDE0471.What is glow wire test? The Glow wire tester ZRS-3H/ZRS-3HS is suitable for resistance to abnormal heat and fire test on lighting lamps, electronic products and household appliances. It uses high-temperature coating spraying on steel structure and imported instrument display, with easy operation and stable performance. The glow wire testing equipment is applicable to flame resistance test of all levels of QC departments and corresponding enterprises.Specifications: â?¢ Heating temperature: adjustable continuously within the range of 25~1100�°C, the accuracy of temperature is 1�°C, the resolution of temperature is �±3�°C â?¢ Glow-wire time: 0.1-999.9sï¼?�±0.1s(time range is adjustable) â?¢ Ignition time: 0.1-999.9s, auto record, manual pause â?¢ Flame-out time: 0.1-999.9s (auto record and manual pause) â?¢ Glow wire pressure on test specimen: 1�±0.2N. Limiting pressure depth is 7mm â?¢ Glow wire: �?4 nickel (80ï¼?) and chromium (20ï¼?) Made in specific dimensions. â?¢ Thermocouple: �?0.5 armored nickel & chromium/nickel-chromium wire, K Type. â?¢ Automatic departure: While reaching specified glowing time, test specimen will depart from glow wire automatically.To save the delivery cost for the oversea market, LISUN designed a compact version glow-wire tester weighing less than 50kg. (Customer need to prepare additional ventilation system for ZRS-3HS) What is glow wire capable? The glow wire tester uses simulation technology to evaluate the fire hazard caused by thermal stress caused by heat sources such as hot components or overload resistors in a short period of time. It is one of the series of electrical and electronic components fire hazard test instruments. It is suitable for evaluating the flammability test and light-off temperature test of electrical equipment and its components and parts, as well as solid electrical insulating materials or other solid flammable materials.
Tray thermal extension test apparatus Aging Testing Instrument I. Product introduction: Test standard: It is in line with Standard GB/T2951-2008 and Standard GB5013-2008, and it shall be used together with aging test chamber. II. Key parameters: Maximum number of samples in a test:3 1, temperature setting: rubber products, 180 , crosslinked polyethylene products 200 . 2. When the temperature rises to the required temperature, clamp the dumbbell test piece onto the hot extension clamping device, and add the weight below. 3. Weight distribution calculation: 20.4 x specimen thickness * 4(including clamps, supporting rods and weights). 4, in the middle of the dumbbell specimens on the effective distance of 20 mm (the length of the small dumbbell specimen is 10 mm) tag line, the length of the dumbbell to take three, put hot stretch of a complete set of equipment in have ascended to the temperature of the central part of the aging box. Close the door of the aging chamber and read the elongation of the specimen after 15 minutes. We are Cable Detection Equipment Factory
Originated in the Nordic Countries Nord Test is a trademark of conformity assessment. The emphasis of Nord Test is to develop, promote and innovate Nordic test methods and pre-normative activity. SCOPE: This procedure is for determination of the chloride migration coefficient in concrete, mortar or cement-based repair materials from non-steady-state migration experiments. FIELD OF APPLICATION: The method is applicable to hardened specimens cast in the laboratory or drilled from field structures. The chloride migration coefficient determined by the method is a measure of the resistance of the tested material to chloride penetration. This non-steady-state migration coefficient cannot be directly compared with chloride diffusion coefficients obtained from the other test methods, such as the non-steady-state immersion test or the steady-state migration test. DEFINATONS Migration: The movement of ions under the action of an external electrical field. Diffusion: The movement of molecules or ions under a concentration gradient or, more strictly, chemical potential, from a high concentration zone to a low concentration zone. SAMPLING: The method requires cylindrical specimens with a diameter of 100 mm and a thickness of 50 mm, sliced from cast cylinders or drilled cores with a minimum length of 100 mm. Three specimens should be used in the test. TEST METHOD: Principles: An external electrical potential is applied axially across the specimen and forces the chloride ions outside to migrate into the specimen. After a certain test duration, the specimen is axially split and a silver nitrate solution is sprayed on to one of the freshly split sections. The chloride penetration depth can then be measured from the visible white silver chloride precipitation, after which the chloride migration coefficient can be calculated from this penetration depth. Apparatus: • Vacuum container: capable of containing at least three specimens. • Vacuum pump: capable of maintaining a pressure of less than 50 mbar (5 kPa) in the container. • Migration set-up: includes the following parts: – Silicone rubber sleeve: inner/outer diameter 100/ 115 mm, about 150 mm long. – Clamp: diameter range 105 - 115, 20 mm wide, stainless steel. – Catholyte reservoir: plastic box, 370 × 270 × 280 mm (length × width × height). – Plastic support. – Cathode: stainless steel plate about 0.5 mm thick. – Anode: stainless steel mesh or plate with holes about 0.5 mm thick. • Power supply: capable of supplying 0 - 60 V DC regulated voltage with an accuracy of ±0.1 V. • Ammeter: capable of displaying current to ±1 mA. • Thermometer or thermocouple with readout device capable of reading to ±1 °C. • Any suitable device for splitting the specimen. • Spray bottle. • Slide caliper with a precision of ±0.1 mm. • Ruler with a minimum scale of 1 mm. • Equipment for chloride analysis as required by the test method employed.
Disintegration Test Apparatus
Dissolution Test Apparatus
Disintegration Test Apparatus
Leak Test Apparatus
