Scope Ph meter is a digital display ph meter, which uses blue backlight, double digital display, can display the ph value, temperature value or potential (mv) values. The instrument applies to universities, research institutes, environmental monitoring, industrial and mining enterprises and other departments of the laboratory sample to measure the ph of the aqueous solution and the potential (mv) values, coupled with the orp electrode measurable solution orp (oxidation - reduction potential) values , coupled with ion-selective electrode to measure the value of the electrode potential of the electrode. Features 1. Ph meter with lcd, english operation interface; 2. Ph meter using microcontroller automatic control experiment without human duty; 3. Ph meter assay changes in various parameters, automatic test results; 4. Ph meter has a self-diagnostic function, suggesting operating functions. Technical parameters 1. Instrument level: 0.01 2. Measuring range: ph 0.00 ~ 14.00ph; mv 0 ~ ± 1400mv 3. Resolution: 0.01ph. 1mv. 0.1 ? 4. Temperature compensation range: 0 ~ 60 ? 5. Electronic unit basic error: ph ± 0.05ph; mv ± 1% (fs) 6. Basic instrument error: ± 0.1ph 7. Electronic unit input current: less than 1 × 10 - 11 a 8. Electronic unit input impedance: not less than 3 × 10 11 o 9. Electronic unit repeatability error: ph 0.05ph; mv 5mv 10. Instrument repeatability error: not more than 0.05ph
Scope According to the people's republic of china national standard gb / t 1792 requirements "mercaptan sulfur distillate fuels assay (potentiometric titration)" under the design and manufacture suitable for measuring the content is within 0.0003 ~ 0.01% (m / m) range, no hydrogen sulfide jet fuel, gasoline, kerosene and light diesel mercaptan sulfur. Features 1, the liquid crystal display, english operation interface, can display information about the test parameters and measurement results 2, with pre-titration, preset endpoint titration, blank titration or manual titration functions, and can generate special titration mode according to user habits 3, the choice of different electrodes can be: acid-base titration, redox titration, precipitation titration, complexometric titration, and other non-aqueous titration and ph measurement 4, stirring system uses pwm modulation technology, software speed, low noise 5, perchloric acid titration system using anti-corrosive materials, can be a variety titration Technical parameters The instrument level: 0.05 1, measuring range: Ph: (0.00 ~ 14.00) ph Mv: (- 1800 ~ 1800.0) mv Temperature: (- 5.0 ~ 105.0) ° c 2, resolution: Ph: 0.01ph Mv: 0.1mv Temperature: 0.1 ° c 3, the basic error: Ph: ± 0.01ph ± 1 word Mv: ± 0.03% fs Temperature: ± 0.3 ° c ± 1 word 4, burette capacity tolerance: 10ml burette: ± 0.025ml 20ml burette: ± 0.035ml 5, burette resolution: 10ml burette: 1/10000 20ml burette: 2/10000 6, burette infusion or infusion rate: (50 ± 10) s (buret full degrees) 7, titration analysis repeatability: 0.2% Titration control sensitivity: ± 2 mv 8, stability: (± 0.3mv ± 1 word) / 3h 9, power source: ac (220 ± 22) v, (50 ± 1) hz 10 dimensions (mm): 340 × 400 × 400 11, instrument weight: 10 kg
Scope Engine coolant freezing point tester in accordance with the national standard gb / t2430 "determination of the freezing point of jet fuel, " requires the state petroleum and chemical industry standard sh / t0090 "engine coolant freezing point determination" provides design and manufacture. Choose a different configuration, measuring jet fuel, engine coolant concentrate its freezing point and other indicators may be used separately, is a multi-purpose freezing point tester. Features 1. Double vacuum glass observation window, real-time observation of samples during operation; 2. Using imported compressor refrigeration the cascade technology can reach -70 ° cold bath, noise; 3. Using pid control techniques, temperature control, temperature control accuracy of ± 0.5 °c4, engine coolant freezing point tester using state-of 4. The art electromagnetic stirring, no noise, low failure rate, is the preferred alternative to the traditional mechanical agitation. Technical parameters 1. Power supply: ac 220v ± 10%; 50hz; 2. Work the cold tank: stainless steel cold tank, double vacuum glass viewing window; 3. Cold trough temperature: +20 °c~ -70 °c; 4. Temperature accuracy: ± 0.5 °c; 5. Bath agitation: automatic stirring motor, power 6w, 1200r / m; 6. Refrigeration system: new refrigeration compressor; 7. Sample stirring: electromagnetic stirring, 0 to 120 beats / minute, continuously adjustable; 8. Ambient temperature: 30 °c; 9. Relative humidity: 85%; 10. Total power consumption: not more than 2000w.
Scope Saybolt colorimeter can measure refined petroleum products, including a set of matching samples and equipped with optical indicator of standard tube. In the same light source sample with standard color comparison. Reduce the liquid column height of the sample until the sample was significantly lighter than the standard palette of colors, and use the chart on the instrument to convert saybolt color of height. Three standard color glass on - position color standard pipe may conveniently be replaced swatches. After paraffin saybolt colorimeter is equipped with a heater for the determination of paraffin, during the test, it is not flowing like melted wax. Sample tube has a 200w chrome steel strip heater, with a hinged lid to maintain the heat evenly. Aluminum heater with a 50w fuel element is kept molten wax-like state. Affiliated variable transformer can be used to regulate the temperature of the sample. Optical observation instrument and shelves are fully insulated with a heater. Test tube assembly with a heat-resistant fiber handle. Features 1, in line with gb / t3555, astm d156; din 51411; ftm 791-101; nf m 07-003 and related specifications 2, three color standard pipe (three-position color standard turret) 3, the test of non-liquid wax and liquid petroleum products 4. Determination of refined petroleum products saybolt color (saybolt color). It includes a set of matched sample and standard tube assembly having an optical observation instrument. 5, the key components imported accessories. 6, compact structure, well-made. 7, easy operation and flexible. 8, test data is accurate, fast, at a glance. Technical parameters 1, paraffin saybolt colorimeter 220-240v, 50 / 60hz 2, the entire thickness of standard color (3) 3, semi-thick standard color (1) 4. Making the saybolt color number and column height table sample (1) 5, the day light: 110-240v 6, frosted bulb: 60w, 220v 7, variable transformer: 220-240v
Scope Saybolt colorimeter can measure refined petroleum products, including a set of matching samples and equipped with optical indicator of standard tube. In the same light source sample with standard color comparison. Reduce the liquid column height of the sample until the sample was significantly lighter than the standard palette of colors, and use the chart on the instrument to convert saybolt color of height. Three standard color glass on - position color standard pipe may conveniently be replaced swatches. After paraffin saybolt colorimeter is equipped with a heater for the determination of paraffin, during the test, it is not flowing like melted wax. Sample tube has a 200w chrome steel strip heater, with a hinged lid to maintain the heat evenly. Aluminum heater with a 50w fuel element is kept molten wax-like state. Affiliated variable transformer can be used to regulate the temperature of the sample. Optical observation instrument and shelves are fully insulated with a heater. Test tube assembly with a heat-resistant fiber handle. Features 1, in line with gb / t3555, astm d156; din 51411; ftm 791-101; nf m 07-003 and related specifications 2, three color standard pipe (three-position color standard turret) 3, the test of non-liquid wax and liquid petroleum products 4. Determination of refined petroleum products saybolt color (saybolt color). It includes a set of matched sample and standard tube assembly having an optical observation instrument. 5, the key components imported accessories. 6, compact structure, well-made. 7, easy operation and flexible. 8, test data is accurate, fast, at a glance. Technical parameters 1, paraffin saybolt colorimeter 220-240v, 50 / 60hz 2, the entire thickness of standard color (3) 3, semi-thick standard color (1) 4. Making the saybolt color number and column height table sample (1) 5, the day light: 110-240v 6, frosted bulb: 60w, 220v 7, variable transformer: 220-240v
Scope Applied standards: gb/t7326 Features 1. With integrated design, easy to operate and maintenance; 2. With pid temperature control temperature control system, high precision temperature control, stability; 3. With automatic timing to the alarm system; 4. Using the results of the multi bomb, and to facilitate the operation of parallel experiments. Technical parameters 1. Test tube bath capacity: 6 test jars; 2. Digital precision temperature control; 3. The digital timing device, automatic real-time alarm device ; 4. Machine low noise, environmental protection; 5. Temperature control stability: ±0.1°c.
Scope Applied standards: gb/t269, iso2137, astmd217, ip50 Applied range: the grease by mechanical shearing and consistency change, then with the cone penetration tester were measured to determine the mechanical stability of grease. Features 1. With integrated design, easy operation and maintenance; 2. It adopts imported motor drive, low noise, long life; 3. With automatic timing to the alarm system; 4. Using the results of the double bomb, to facilitate the operation of parallel experiments. Technical parameters 1. Shear rate: 60 times / min; 2. The working stroke: 67 ~ 71mm; 3. The number of significant count: 0 to 10 million times; 4. Count method: automatic; 5. Motor power: 370w
Scope Grease similar viscometer applicable standards: sh/t0048 Grease similar viscosity meter with automatic capillary viscosity meter samples of similar viscosity, mainly suitable for grease. The viscosity of the grease at a certain temperature as the shear rate and becomes variable, called a similar viscosity. The sample was subjected to pressure is designed and made as per a spring acting on the ram within the sample tube, while the outflow from the capillary, the relaxation of the spring, a pressure within the tube is gradually decreased, it can be obtained under similar viscosity values in the series of average shear rate. Features 1. Capillary viscometer, the structure is reasonable and compact, with three variable speed; 2. The magnetic transfer medium circulation pump, no noise; 3. Stainless steel medium bath body; 4. Microcomputer temperature controller, digital display, accuracy of ± 0.5 ° c; 5. Hermetic compressor refrigeration, to ensure the supply of cold; 6. Split structure, convenient to move. Technical parameters 1. Control the temperature: room temperature to -35 ° c ± 0.5 ° c (other temperature optional); 2. Modes of operation: compressor refrigeration cycle, digital temperature control; 3. Temperature control mode: pid temperature control; 4. Power supply:ac220v± 10%, 50hz.
Scope Applicable standards: astm d1831, sh/t0122. Provides an indication of shear stability of lubricating greases by testing the change in worked penetrations after two hours in the roll stability tester. The instrument used in determination of grease consistency changes in the roller testing machine after work, with mechanical shear stability judgment of grease. Features 1. Idler retaining ring control drum work properly; 2. The bottom is equipped with a drive motor, so that speed is maintained at 155 ~ 180r/min; 3. Microcomputer temperature controller, digital display, accuracy ± 5 °c pt100 sensors; 4. Digital timer, record work time with the wind sounded the alarm. Technical parameters 1. Applicable standards: astm d1831 sh/t0122; 2. Heating method: electric coil heating machine power 1000w; 3. Working power: ac220v/50hz, temperature control range of 21 ~ 38°c; 4. Motor speed: 155 ~ 180r/min; 5. The unit of work: unit 2.
Scope Applied standards: gb/t269-91?iso2137-85?astmd217-82?ip50-79 Application range: it’s applied to the viscosity of lubricating grease and malthenes (vaseline) also used to test the materials like solids, particle and powder colloid and froze materials as well as the food raw materials like cream, carbohydrate gum, butter and barmy cream, etc. Features 1. It can allow the test in a different direction, and can even be used in a constant temperature water bath; 2. With digital display depth measuring mechanism, easy to use, good repeatability and high accuracy; 3. Bracket move fast and fretting two kinds of speed, ease of test operation of the tip of the needle at the surface of the sample; 4. It has a table level adjusting mechanism, and easy to adjust; 5. With manual release pin into pieces of bodies, to ensure that in the not automatically controlled release, still normal operation. Technical parameters 1. Time controller Control range: 0-9 minutes and 59 seconds; Control time accuracy: ± 0.1 seconds; 2. Maximum measurable penetration: 620; 3. Standard cone: 102.5g (with gb / t requirements); 4. Standard ram: 47.5g (with gb / t requirements).
Scope This product is to simulate the atmosphere composed of tiny droplets of salt spray dispersion environmental equipment, are widely used in electronics, electrical and automotive, aerospace, mobile communications, motorcycles, plastics, machinery parts, electronic components, metal surface of the material, in whole or protective layer salt spray corrosion test. Features 1. Its key components imported components, low failure rate, good stability; 2. It innovative use of water detection technology, eliminating the inconvenience of artificial water; 3. It using pid temperature control technology, precise temperature control; 4. It with glass viewing window, good visibility.
Scope The applicable standard: sh/t0325, astm d942 The applicable range: using oxygen bomb method to determine the oxidation stability of grease. Features 1. Integrated design, easy operation and maintenance; 2. Pid temperature control temperature control system, high precision and stable; 3. Automatic timing, alarm system; 4. The results of the double bomb, to facilitate the operation of parallel experiments. Technical parameters 1. The applicable standard: sh/t0325, astm d942; 2. Input voltage: ac220v ± 10%, 50hz; 3. Measuring range: room temperature -200°c; 4. Heating power: 1.8kw; 5. Temperature control accuracy: ± 0.5 °c, 113 ± 3°c; 6. Dimensions: 540 × 380 × 490mm.
Scope Petroleum products vacuum distillation analyzer is based on national standards gb / t9168 "petroleum products - determination of distillation under reduced pressure" design, manufacture. For the determination of the maximum temperature of the liquid reaches 400 ?, can be partially or completely evaporated boiling range of petroleum products under reduced pressure. Features Equipment and inputs by the host refrigeration apparatus of two parts. Host by the bath, temperature control portion, glassware, balance tank, the pressure regulating system, solenoid valves, electric heaters and other components. Its main features are as follows; 1, the main instrument is compact, attractive appearance, easy to operate, bath and end table made of stainless steel, corrosion resistance. 2, bath temperature by a digital temperature controller temperature control, temperature control table can visualize circulating water temperature, and can accurately control the temperature. 3, by the vacuum pump, pressure regulating system pressure system, solenoid valves, balance tanks and other components, make the pressure constant within a predetermined range. 4, the flask was heated furnace using a parallel structure, uniform heating, electric can adjust up and down, and with a fan to cool it quickly. 5, into the cold trap by the refrigeration apparatus cooling, convenient and reliable. Technical parameters 1, power: ac220v ± 10% 50hz 2, input power: 1900w host instrument into refrigeration 300w 3, the water bath temperature range: room temperature ~ 99.9 ? 4, temperature control accuracy: ± 2 ? 5, adjusting the pressure range: ac10 ~ 220v 6, pressure adjustment range: 1mmhg ~ 4mmhg 7, the outer shape dimensions: 720x420x680mm
Scope This instrument conforms to sh / t0169 standard Features 1, imported brand compressor, unique metal cold bath, no alcohol and so do the media, cooling speed, good cooling effect. 2, using precision pid temperature control technology, high-precision temperature sensor, temperature control and accurate. 3, the use of integrated design, easy operation and maintenance. Technical parameters 1, temperature range: room temperature -40 ? ± 0.5 ? 2, power supply: ac220v ± 10% 50hz 3, the cooling bath: a container capable of accommodating a sufficient amount of the cooling medium, the freezing point of the solvent can be maintained below 5 ? constant temperature. 4, the outer tube: pyrex test tube, 60mm × 250mm, with a rubber inner tube sese live in the lower part there is a cork ring to the inner support tube 5, inner tubes: heat-resistant glass tube: 45mm × 240mm, with a thermometer and stirrer can put two holes rubber match. 6, stirrer: ring blender glass or other inert material, so that from the thermometer with a diameter of about test tube wall into equidistant, you can use mechanical agitation.
Scope The instrument adopts the viscosity method to measure the molecular of polymer, the instrument has the characteristics of high degree of automation, good repeatability of test results, the measurement method of polymer molecular weight, polymer viscosity method is one of the most commonly used method. Features 1, computer control, man-machine friendly operation interface, prompt input operation 2, the instrument of the experimental process is fully automated, automatic extraction, automatic detection, automatic cleaning, automatic drying, no manual participation 3, 2 independent cleaning control system, it can also be independent of the operation of the experiment 4, double tube detection, but also can be asynchronous detection 5, the software prompts the operation, the operation is convenient, the measurement and the data processing cycle is short, the experiment precision is good Technical parameters 1, the detection principle: determination of polymer viscosity method 2, the detection range: 103 to 107 3, the control mode: computer control 4. Detection: automatic detection 5. Installation: program-driven 6, power: ac220v ± 10v 50hz ± 5% 7. Overall size: 700 × 430 × 700mm
Scope Petroleum products copper corrosion tester for gb / t5096, iso2160, astm d130, ip154 "petroleum products copper corrosion test method" determination of aviation gasoline, jet fuel, motor gasoline or has reye's vapor pressure of not more than 124kpa (900mmhg) other hydrocarbons, solvent oil, diesel oil, distillate fuel oil, lubricants and other petroleum extent of corrosion products on the copper. Features 1, the operating parameter set with the keyboard. 2, intelligent control system, touch the button to set, high brightness lcd dot matrix english display. 3, the test bath with accurate temperature control of the metal bath, completely avoid evaporation of water bath and oil bath arising inconvenience. 4, copper corrosion test time can be set and alarms. 5, measurement and control system has a self-diagnostic function. Technical parameters 1, the metal bath thermostatic control range: 40-200 ?, 2, temperature accuracy: ± 0.2 ? 3 heating power: 1200w 4, metal thermostatic bath can withstand the test pressure 0.7mpa. 5, automatic timing: 0-599min (keyboard settings, increment 1 min) 6, the test bath: to place the three trials and three test tubes elastomer simultaneously
Scope Petroleum products copper corrosion tester for gb / t5096, iso2160, astm d130, ip154 "petroleum products copper corrosion test method" determination of aviation gasoline, jet fuel, motor gasoline or has reye's vapor pressure of not more than 124kpa (900mmhg) other hydrocarbons, solvent oil, diesel oil, distillate fuel oil, lubricants and other petroleum extent of corrosion products on the copper. Features 1, with integrated design, easy operation and maintenance 2, the use of pid temperature control temperature control system, temperature control and high precision, stable 3, using a water bath or oil bath heating, heating speed, good stability 4, with a standard swatch us imported to meet the test requirements than 5, imported omron temperature control system, temperature of the system with expert school policies 6, using the experimental oxygen bomb storage box for easy storage and management of oxygen bomb Technical parameters 1, power supply voltage: 220v ± 10%, 50hz; 2, temperature range: room temperature ~ 100 ? arbitrarily set; temperature accuracy: ± 0.2 ?; 3. Temperature control mode: import omron smart thermostat system; 4. Timing: automatic chronograph, 1 minute to 24 hours in any setting; 5, the detection unit: 6; 6, oxygen bomb storage: configure a dedicated oxygen bomb storage warehouse, and instrument host integration design; 7, ambient temperature: room temperature ~ 35 ?; 8, relative humidity: =85%; 9. Total power consumption: less than 1800w
Scope Jet fuel silver sheet corrosion detector in accordance with national petrochemical industry standard sh / t0023 requirements "jet fuel silver sheet corrosion test method" under the design and manufacture for assessing corrosion tendency of jet fuel for aviation turbine engine fuel system components silver . Features 1, with integrated design, easy operation and maintenance 2, the use of pid temperature control temperature control system, temperature control and high precision, stable 3, using a water bath or oil bath heating, heating speed, good stability 4, imported omron temperature control system, temperature of the system with expert school policies Technical parameters 1 power supply: ac220v ± 10%; 50hz. 2, sheng-like holes: 4. 3, measuring the number of samples: 4. 4, temperature range: room temperature ~ 100 ?. 5, temperature accuracy: ± 1 ?. 6, the temperature display: digital display. 7, the temperature sensor: industrial platinum resistance, sub-degree no. Pt100. 8, timing and control the range of: 0.01 seconds to 99 hours. 9, the time display mode: digital display. 10, heating: electric heater. 11, heating power: two steps, temperature control heating power 600w; auxiliary heating power 1000w. 12, ambient temperature: -10 ? ~ + 35 ?. 13, relative humidity: =85%. 14 total power consumption: less than 1800w
Scope Copper, silver strip corrosion tester is designed and manufactured according to astm d130, iso 2160, ip 154, ip 227, sh / t0023, gb / t5096 standards. Features 1, with integrated design, easy operation and maintenance 2, the use of pid temperature control temperature control system, temperature control and high precision, stable 3, using a water bath or oil bath heating, heating speed, good stability 4, imported omron temperature control system, temperature of the system with expert school policies Technical parameters 1, the working mode: digital temperature control, four-unit; 2, temperature range: room temperature ~ 100 ± 0.5 ? 3, power supply: ac220v ± 10% 50hz
Scope Crude oil and fuel oil precipitate tester for pressing gb / t6531-86 to determine the content of crude oil and fuel oil precipitate "crude and fuel oils precipitate assay (extraction method)" is used for extraction with toluene. This standard is equivalent to international standards iso3735-1975 "crude and fuel oils precipitate assay (extraction method)", crude and fuel oils precipitate analyzer can be programmed to control its heating power. Features 1, the instrument uses dual electric stove, can work independently; 2, the instrument uses 8-bit microcontroller control; 3. The instrument uses three semi-liquid crystal display; 4, the instrument has mains compensation; 5, the instrument automatically controlled heating power; Technical parameters 1, the heating temperature range: room temperature ~ 400 ?; te00000000000mperature accuracy: ± 0.5 ?. 2, the equivalent output voltage adjustable value: 0 ~ 220v 3, electric heater power: 1000 w * 2 4, power: ac 220 v ± 10v, 50 hz ± 1hz
