Description : The magnetic flow meter for sewage water is also called sewage electromagnetic flowmeter. In most applications a very accurate monitoring of the sulfuric acid concentration is required to ensure an excellent product quality. FW = 98.08 HSO, Sulfuric Acid 500 mL bottle Related Items. Address: Mega Glodok Kemayoran - MGK Lantai UG Blok D7 No. . Sulphuric Acid Split Type Magnetic Flow Meter. Mass flow and concentration meter for sulphuric acid and oleumMeasurements on the safe side. Limited Time Sale Easy Return. Easy Install Sulfuric Acid Cooling Plant 142 kw 40 ton Air Cooled Chiller Price . Silver Automation Instruments supply low cost H2SO4 7664-93-9. Description of 4-20mA output sulfuric acid electromagnetic water flow meter Intelligent electromagnetic flow meter consists of two parts, the sensor and converter. Electromagnetic chemical sulfuric acid resistant flow meter with 4-20mA output Features of electromagnetic flow meter 1. Electromagnetic Flow Meter - . Prev: electromagnetic flow meter for water. 1000 Grams = 1 Kilogram. corrosion resistant elecotrmagnetic flow meter, Hastelloy C electrode, flange connection, 4-20mA output Sulfuric acid flowmeter. To be a result of ours specialty and repair consciousness, our corporation has won a good popularity amid consumers everywhere in the environment for Gas Turbine Flow Meter, ultrasonic flow meter transducer, vortex flow meter manufacturer.Through hard work of all employees for the past 20 years own company grew stronger and stronger. ( due to averaging from 0 lit/min to 1500 lit/min for 15 seconds, although the flow rate raised to max 1500 lit/min within 2-3 seconds. Enter the email address you signed up with and we'll email you a reset link. MERCK 109072 Sulfuric Acid. High quality 4 - 20mA Output Sulfuric Acid Flowmeter / Totameter Intelligent Electromagnetic Water Flow Meter from China, China's leading Intelligent Sulfuric Acid Water Flow Meter product, with strict quality control Electromagnetic Water Flow Meter 20mA factories, producing high quality Electromagnetic Water Flow Meter 20mA products. Polyurethane. (2 m compression and suction hose 2 meters venting hose (PVDF), injection nipple and suction filter) Also available with automatic pH regulator. It has excellent wear resistance, acid and alkali resistance, and can measure medium-strong and strong wear of coal slurry, mud, and slurry. Would you please directly contact the suppliers and discuss Sulfuric Acid Flow Meter specification/further requirement, such as payment method. 6 & Blok D6 No. Sulfuric Acid Superintendent. This technology of magnetic electromagnetic flowmeter has a number of advantages when it comes to liquid flow measurement. Sulphuric Acid: Magnetic: Use if accurate measurement of flow rate is required. Original Yokogawa magnetic flow meter AXF025C-E2CE1S-AD41-21B. 3 Jl.Angkasa Kav.B-6, Jakarta Pusat, 10610 DKI Jakarta, Indonesia. Always add acid to the water when diluting sulfuric acid . Sulfuric Acid Liquid Electro Magnetic Flow Meter, Find Details about Water Flow Meter DN150mm, Electric Magnetic Flow Meter from Sulfuric Acid Liquid Electro Magnetic Flow Meter - Yantai Auto Instrument Making Co., Ltd. Utatip Metertek Duas Distributor Flow Meter. Remember that if the acid is hot, you may not be able to use plastics like PVC. Does sulfuric acid have a high pH? Acid resistant flow meters to measure the flow of strong hot corrosive acids like sulfuric acid (H2SO4) and hydrochloric acid (HCl) have always been a challenge. The volume of sulfuric acid used in this experiment is 10 ml. Flow meters recommended for use with acids or chemically aggressive liquids. Dispensers are advised for accuracy Buy Castin Craft Clear Polyester Casting Resin with Catalyst, 32 oz Clear resin used primarily in thick castings where a water clear cured product is required The relative risk or risk ratio is given by In the following calculator, the user calculates and updates the average net fixed assets in the What is the amount of 5%per hour?If the amount is possible, it is recommended to be continuously configured, 1 sulfuric acid quality flowmeter, 1 water quality flowmeter, 1 5%quality flowmeter, 2 unpreverer lining valve, 1 stainless steel regulating valve, CV value must be considered as good.The quality flow meter of acid is selected for E+H's material customization. Abstract: sulphuric acid flow meterflow meter 1000 Millilitres = 1 Litre. Ideally, sulfuric acid should be stored in isolation from all other chemicals in an approved acid or corrosives safety cabinet. By eliminating corrosion on critical surfaces of differential flow or coriolis flow meters, sensitive flow measurements could be obtained and are reliable over time.These flow meters are excellent for measuring hydrochloric acid (HCl), sulfuric acid (H2SO4) and sour gas (H2S) and are the most corrosion resistant flow meters availabe to industry. Brayton Cycle Turbine Engine "The sale of this item may be subject to regulation by the U 10-1ubuntu1/configure --- 1 Team Rocket Event Announced: New Shadow Pokemon 2021-01-28 Water Purification Methods of Purification Methods of Purification Table ASTM Water Grade Standards Methods of Purification Deionization Water Repeatability of the flow meter is better; Total accuracy of the flow measurement system should be higher; Flow meter itself has a fairly strong flow adjustment capability ,which requires a short straight pipe section without the need for a flow regulator. Search: Resin To Catalyst Ratio Calculator. FLEXIM chemical flow meters are non-intrusive and maintenance-free yet offer excellent accuracy and repeatability. bySincerity 2021-06-05. 3. Related Items. Home Tags Sulfuric acid flowmeter. bySincerity 2020-10-26. This dosing pump for sulfuric acid for safe and accurate dosing of sulfuric acid to your process. Limited Time Sale Easy Return. DN25 Yokogawa AXF electromagnetic flow meter made in China. technical-data-sheet-magnetic-flow-meter-material-selection-guide-en-74360 - Read online for free. 24. Part Number: CFVF. sulfuric acid flow meter manufacturer/supplier, China sulfuric acid flow meter manufacturer & factory list, find qualified Chinese sulfuric acid flow meter manufacturers, suppliers, factories, exporters & wholesalers quickly on Made-in-China.com. Seek medical attention immediately. bilstein b6 4600 installation instructions Search jobs 416 similar products are also available from Suppliers of Measurement & Analysis Instruments. 3 Jl.Angkasa Kav.B-6, Jakarta Pusat, 10610 109072 Sulfuric Acid. High Resistance Sewage Electromagnetic Flow Meter Multi Language Integrated . Sulfuric Acid Flow Meter Sewage Electromagnetic Water Flow Meter Manufacturer(id:11556046). Cheap Instrument Parts & Accessories, Buy Quality Tools Directly from China Suppliers:sulfuric acid flow meter, liquid caustic soda flow meter, tri clamp flow meter Enjoy Free Shipping Worldwide! High quality 4 - 20mA Output Sulfuric Acid Flowmeter / Totameter Intelligent Electromagnetic Water Flow Meter from China, China's leading Intelligent Sulfuric Acid Water Flow Meter product, with strict quality control Electromagnetic Water Flow Meter 20mA factories, producing high quality Electromagnetic Water Flow Meter 20mA products. China Sulfuric Acid Flow Meter - Select 2022 Sulfuric Acid Flow Meter products from verified China Sulfuric Acid Flow Meter manufacturers, suppliers on Made-in-China.com. Hydrographers still use old-fashioned Electromagnetic Flowmeter. Read more. And to reduce your pH by 0.1, you need to add 98.5 Millilitres of Hydrochloric Acid per 10,000 Litres. Self-check failure alarm IP68 protection level Rated pressure: 0.25MPa~32MPa Large LCD display Automatic conductivity migration function Split instrument, with up to 4 inputs/outputs KFKC INSTRUMENT , a manufacturer of sulfuric acid electromagnetic flow meter. Sincerity sulfuric acid flow meter sulfuric acid flow meter is designed by Beijing Sincerity Automatic Equipment Co., Ltd with the rigorous attitude. 1. sulfuric acid flow meter, liquid caustic soda flow meter, tri-clamp flow meter. What is your current pH level: 7.00 ph . When these compounds were heated they decompose to form iron and copper oxides eliminating water and sulphur trioxide which combine together to form dilute solution of sulphuric acid. Sulfuric acid flowmeter. Quality Water Flow Meter manufacturer provide 4 - 20mA Output Sulfuric Acid Flowmeter / Totameter Intelligent Electromagnetic Water Flow Meter, HACH Sulfuric Acid, ACS, 500 mL (97949)Concentrated Sulfuric Acid ACS Grade. View product details of Sulfuric Acid Flow Meter Sewage Electromagnetic Water Flow Meter Manufacturer from Kaifeng Shengda Water Meter Co Ltd manufacturer in EC21. Flow Meters; In-Line Paddle Wheel Flow Meters ; Insertion Paddle Wheel Flow Meters. Sulfuric acid can be produced by dry distillation of iron sulfate heptahydrate, copper sulfate pentahydrate. Had been exported to more than 150+ countries with good chemical resistance performance. With them via our online messaging Product Categories. Technical Specification Table . Portable SMEF Electromagnetic Flow Meter Hastelloy B Type for Sulfuric Acid . We offer a wide range of electronic flowmeters, all fulfilling the highest demands in terms of accuracy and reliability in industries such as water and wastewater, chemicals, food and beverage, pharmaceutical, mining, pulp Product Categories. China Glass Flowmeter for H2so4 Sulfuric Acid Material, Find details about China Chemical Flow Meter, Acid Rotameter from Glass Flowmeter for H2so4 Sulfuric Acid Material - Yuyao Kingtai Instrument Co., Ltd. Mosaic. High Corrosion Resistance Ta Electrode Hydrochloric Sulfuric Acid Flow Meter from China. The first thing you need to do is to determine the appropriate materials of construction. Sulfuric acid flow meter scale price. Accessible only for authorized persons. summary Online density meter can be used for online density measurement of various liquid and liquid mixture. As one of the most professional sulfuric acid flowmeter manufacturers in China, we're featured by quality products with competitive price. Quality Water Flow Meter manufacturer provide 4 - 20mA Output Sulfuric Acid Flowmeter / Totameter Intelligent Electromagnetic Water Flow Meter, If you get sulfuric acid on your skin , flush your skin with soap and lukewarm water for at least 30 minutes. meters based on electromagnetic, coriolis and ultrasonic technologies to more classical mechanical flowmeters. Electromagnetic Water Meter Battery Powered Electromagnetic Flow Meter Flange Ball Valve Insertion Electromagnetic Flow Meter Thread Ball Valve Insertion Electromagnetic Flow Meter Union Connection Electromagnetic Flow Meter Wafer Connection Electromagnetic Flow Meter Tri-clamp Electromagnetic Flow Meter Flange Electromagnetic . The ideal solution for liquid applications, from sulfuric acid to potable water. Search: Purify Cp Calculator. Applied to conductive liquid used in Below is a chart that details some typical dilutions of sulfuric acid and the heat of. DN25 Yokogawa AXF electromagnetic flow meter made in China. Flanges have excellent chemical resistance to withstand a variety of salt solutions, acids, and other harsh substances. Electromagnetic flow meters are widely used for measuring: Domestic water, industrial water, raw water, ground water, urban sewage, industrial wastewater, the processed neutral pulp, pulp slurry, etc. Please wait while your account is being registered at Tradewheel.com Flow Meters. Deskripsi. High corrosion resistance Ta electrode hydrochloric sulfuric acid flow meter. HACH - Sulfuric Acid Standard Solution, 19.2 N, 100 mL MDB. Any number of flowmeters will handle sulphuric acid. The motioning of acid flow is the main reason why plants and companies will invest in a flow meter. We are often requested by sulfuric acid flow meter. Flow meters recommended for use with acids or chemically aggressive liquids. Address: Mega Glodok Kemayoran - MGK Lantai UG Blok D7 No. Silver Automation Instruments supplies acid resistant flow meters to measure the flow of strong hot corrosive acids like sulfuric acid (H2SO4), sour gas (H2S) and hydrochloric acid (HCl). Usually we have fow meter in stock ,we can send the flow meter within 24 hours . River Flow Velocity Meter In the last decade, hydrographers have added a hydroacoustic Doppler tool that helps them determine the amount of sediment in stream flow. Electromagnetic flowmeter Conductivity mediums like acid, alkali, juice, milk, water, waste water, etc Economic low cost digital flowmeters KF700 electroomagnetic flowmeter is an inductive apparatus to measure the flow volume of electric medium in the tube. China Sulfuric Acid Flowmeter - Select 2022 Sulfuric Acid Flowmeter products from verified China Sulfuric Acid Flowmeter manufacturers, suppliers on Made-in-China.com. 0.5% Sewage Water Sulfuric Acid Magnetic Flow Meter. We strictly perform testing at each phase to make sure that every product received by customers is excellent quality because a low price doesn't save anything if the quality doesn't meet the needs. Limited Time Sale Easy Return. Utatip Metertek Duas Distributor Flow Meter. This saves money, is safer than shutting down your system, and better for the environment. WhatsApp : +62812 - 8836 - 5600 Answer of A sulfuric acid solution has a density of 1.73 g/mL and contains 80.0 percent H2SO4 by weight. Sulphuric Acid Split Type Flow Meter DN65 Seawater Flowmeter. The sensors are generally inserted in line into the pipes diameter, and are therefore designed such that they do not disturb or restrict the flow of the medium under measurement. Given that success, we began replacing our differential flow meters with the ultrasonics. Electromagnetic Water Meter Battery Powered Electromagnetic Flow Meter Flange Ball Valve Insertion Electromagnetic Flow Meter Thread Ball Valve Insertion Electromagnetic Flow Meter Union Connection Electromagnetic Flow Meter Wafer Connection Electromagnetic Flow Meter Tri-clamp Electromagnetic Flow Meter Flange Electromagnetic By eliminating corrosion on critical surfaces of differential flow or coriolis flow meters, sensitive flow measurements could be obtained and are reliable over time.These Thus, the molarity or concentration of sulfuric acid in the above-described experiment is 0.0625 mol/L. We doesn't provide intelligent sulfuric acid water flow meter products or service, please contact them directly and verify their companies info carefully. Emec Prius D for High Flow. They are also known as Victaulic flanges. Sulfuric Acid Flow Meter, Wholesale Various High Quality Sulfuric Acid Flow Meter Products from Global Sulfuric Acid Flow Meter Suppliers and Sulfuric Acid Flow Meter. Electromagnetic flow meter (173) Online densitometer (108) Ultrasonic flowmeter (35) Radar level meter (18) Oval gear flow meter (120) density meter used in measure Sulfuric acid concentration . China Sulfuric Acid Flow Meter Sewage Flow Meter Accessories for Flow Meter Turbine, Find details about China Reliable Liquid Turbine Flow Meter, Flow Meter Turbine from Sulfuric Acid Flow Meter Sewage Flow Meter Accessories for Flow Meter Turbine - Hangzhou Supmea International Trading Co., Ltd. All intelligent sulfuric acid water flow meter wholesalers & intelligent sulfuric acid water flow meter manufacturers come from members. 418 similar products are also available from Suppliers of Measurement & Analysis Instruments. Utatip Metertek Duas Distributor Flow Meter. Home; About Us; Products. We doesn't provide intelligent sulfuric acid water flow meter products or service, please contact them directly and verify their companies info carefully. Easy-Access CPVC Pipe Flanges for Chemicals. What is the surface area of a dome (a half sphere) witha radius of 12 meters? Specifications : Form : liquid; Amount-of-substance concentration : 0.4975-0.5025; As a result, The reaction between alcohol and HI to produce alkyl halide cannot occur. 6 & Blok D6 No. Directly reading sulfuric acid concentration H2SO4%,baume B,specific gravity SG; Accurate measuring;Simple operation;High reliability. Prev: electromagnetic flow meter for water. Sulphuric acid is one of the most important raw materials in the chemical industry. Cash Flow Statements; Forensic Accounting; Trial Balance; Computer Science. Non-contact radar type process level instruments are more preferred in corrosive fluids level measurement. Description of 4-20mA output sulfuric acid electromagnetic water flow meter Intelligent electromagnetic flow meter consists of two parts, the sensor and converter. Do not scrub or rub skin . 2 H I + H 2 S O 4 I 2 + S O 2 + H 2 O. Seek medical attention immediately. Cheap Instrument Parts & Accessories, Buy Quality Tools Directly from China Suppliers:sulfuric acid flow meter, liquid caustic soda flow meter, tri clamp flow meter Enjoy Free Shipping Worldwide! Sincerity sulfuric acid flow meter sulfuric acid flow meter is designed by Beijing Sincerity Automatic Equipment Co., Ltd with the rigorous attitude. We strictly perform testing at each phase to make sure that every product received by customers is excellent quality because a low price doesn't save anything if the quality doesn't meet the needs. The measuring principle of sonic velocity is well-suited to monitor the concentration of sulfuric acid. Integrated type: Description: Self-diagnosis, intelligent work Accuracy: +- 5%; Flow rate: +0.3m/s Low discharge measurement accuracy and two way measurement. Digital Electronic Automatic H2SO4 Sulfuric Acid Concentration and Density Tester Meter , Density Measuring Machine . The grooved ends on these flanges connect to pipe with a clamp, so you can access your chemical process line for routine maintenance. If strong concentrations of gas or solution penetrate clothing, remove clothing and flush the skin with water. SMEF Electromagnetic Flow Meter. The SJG-2083CS Acid and Alkali Concentration Meter is a brand-new online smart digital acid and alkali concentration meter with digital inductive conductivity sensor and independently developed and manufactured by BOQU Instrument. All intelligent sulfuric acid water flow meter wholesalers & intelligent sulfuric acid water flow meter manufacturers come from members. Hygroscopic. Order) The transducers are clamped on the outside of a closed pipe at a specific distance from each other. The flow meters provided by Silver Automation Instruments are built specifically for monitoring acid flow that regular meters couldn't survive like sulfuric and hydrochloric acids. What makes Silver Automation Instruments' flow meters not just good but the best on the market is the composition of each meter. bmw e90 320i petrol fuel filter location. Rubber. Sulfuric acid flowmeter. Our sulphuric acid flow meter insertion procedures and safety are of the highest standards in the industry. We are often requested by sulfuric acid flow meter. If strong concentrations of gas or solution penetrate clothing, remove clothing and flush the skin with water. Sulfuric acid flow meter scale choose install and use. Every flow meter will be tested well before ex-factory, and will be attached with calibration report. In case of long damping ( 15 seconds), and flow rate of 1500 lit / minute the meter will at the start-up loose (1500/4)/2 litres = 187.5 litres. We now have a total of about 100 ultrasonic meters monitoring our HVAC flow and temperature and reporting to our dashboard/BAS system. Cheap Instrument Parts & Accessories, Buy Quality Tools Directly from China Suppliers:sulfuric acid flow meter, liquid caustic soda flow meter, tri clamp flow meter Enjoy Free Shipping Worldwide! The FLO-CORP CalFlo CFVF Thermal Mass Liquid Flow Meter has an adjustable measuring range, LED indication of flow, and is well suited for pipes up to 16 in diameter. Why choose Q&T mag meter? What is the amount of 5%per hour?If the amount is possible, it is recommended to be continuously configured, 1 sulfuric acid quality flowmeter, 1 water quality flowmeter, 1 5%quality flowmeter, 2 unpreverer lining valve, 1 stainless steel regulating valve, CV value must be considered as good.The quality flow meter of acid is selected for E+H's material customization. Sulphuric Acid 98% Flow Electromagnetic Flow Meter from China. Electromagnetic Flowmeter. Oktober 2018. Icon provides an accurate and reliable sulfuric acid flow meter for a variety of industrial chemical flow process applications. Manually adjustable by stroke frequency. Page 1 of 1 1. corrosion resistant elecotrmagnetic flow meter, Hastelloy C electrode, flange connection, 4-20mA output Sulfuric acid flowmeter. US $300-800 / Piece 1 Piece (Min. By rearranging the above formula , the molarity or concentration of H 2 SO 4 is calculated: Molarity (M) = Number of Moles (N)/Volume (V) M = 0.000625/0.01 = 0.0625mol/L. CAS No. Flow tube liner Electrode material PTFE ETFE PFA Poly-ure-thane Neo-prene Linatex Rubber 316 SST Ni-Alloy C-276 Tanta-lum Plati-num-20% Iridium Titan-ium Sulfuric Acid 70% A1 A1 A1 N N A3 B3 N A1 A1 N Sulfuric Acid 80% A1 A1 A1 N N N B5 A5 A1 A1 N Sulfuric Acid 90% A1 A1 A1 N N N B5 A4 A1 A1 Sulfuric Acid 95% A1 A1 A1 N N N B3 A1 A1 N Concentrated sulfuric acid has a strong affinity for water and will react violent and generate heat when coming into contact with water. Abstract: sulphuric acid flow meter scale price how information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. It has excellent elasticity, high tearing force, good wear resistance, resistance to general weak acid and weak alkali corrosion, and can measure water, sewage, mud, and pulp. Do not allow contact with water. Since sulfuric acid is a strong acid, a 0.50 M solution of sulfuric acid has a pH close to zero. Dedicated to strict high-quality management and considerate shopper company, our experienced team associates are normally available to discuss your requirements and ensure full shopper gratification for Shanghai Cixi 6 Inch Sulfuric Acid Sewage Flow Meter, The product will supply to all over the world, such as: Amman, Brisbane, Albania, We always adhere to follow the honesty, Next: liquid magnetic flow meter. With the high sensitivity of sonic velocity to sulfuric acid concentration, the LiquiSonic sensors achieve an accuracy of 0.05 wt%. Sulfuric acid radar level meter is with PTFE(teflon) wet parts material also with strong pulse (26G Hz); it can have good performance of H2SO4 level measurement even with aggressive vapor in the closed storage tank. Do not scrub or rub skin . Liquid Control Preset Flow Meter 2 Inches Water Treatment Flanged Flow Meter , Find Complete Details about Liquid Control Preset Flow Meter 2 Inches Water Treatment Flanged Flow Meter,Liquid Control Flow Meter 2 Inches,Flanged Flow Meter,Water Treatment Flow Meter from Flow Meters Supplier or Manufacturer-KAIFENG SHENGDA WATER METER CO., LTD Liquid Control Preset Flow Meter 2 Inches Water Treatment Flanged Flow Meter , Find Complete Details about Liquid Control Preset Flow Meter 2 Inches Water Treatment Flanged Flow Meter,Liquid Control Flow Meter 2 Inches,Flanged Flow Meter,Water Treatment Flow Meter from Flow Meters Supplier or Manufacturer-KAIFENG SHENGDA WATER METER CO., LTD In the presence of Sulphuric acid , KI produces HI. It is for these reasons, along with FLEXIMs unparalleled dedication to customer support, that we have become a leading supplier of chemical flow sensors to the industry. It is composed of sensor and a type converter. kc registered beagle puppies for sale uk aws cli s3 getobject example bubble tea oxford street. 2 K I + H 2 S O 4 2 K H S O 4 + 2 H I. Sulphuric acid is a strong oxidizing agent and it oxidises HI to produce I 2 . Next: liquid magnetic flow meter. A significant benefit to sulphuric acid flow meter insertion is that it allows a pipe to continue operating even while additions or repairs are being made. Scribd is the world's largest social reading and publishing site. Wholesale High Resistance Sewage Electromagnetic Flow Meter Multi Language Integrated to sell - provide Cheap Electromagnetic Flow Meter from industrial-flowmeter. Original Yokogawa magnetic flow meter AXF025C-E2CE1S-AD41-21B. What is the molarity of this solution? It depends on the concentration, and the temperature, and the amount of entrained solids and gas. A large amount of heat may be released, and could cause burns. Sulfuric Acid Flow Meter Our mission is usually to turn into an innovative provider of high-tech digital and communication devices by providing worth added design and style, world-class producing, and repair capabilities for Sulfuric Acid Flow Meter, Signal Converter , Online Tds Meter , Liquid Flowmeters , Magnetic Flow Meter Manufacturers . How many litres is your pool volume: 20000 litres ( 5283.44 US Gallons) Your pH level is between 7.2 and 7.6 which is a good balance and is correct. 2. All intelligent sulfuric acid water flow meter wholesalers & intelligent sulfuric acid water flow meter manufacturers come from members. If you get sulfuric acid on your skin , flush your skin with soap and lukewarm water for at least 30 minutes. We have advanced production base covers 69930 with 5 sets liquid calibration devices from DN3-DN3000mm. Store in tightly closed containers, in a cool, dry, well-ventilated area with acid resistant floors and good drainage. Lifetime Warranty; Industrys Highest Accuracy; Its manufacture and processing calls for the use of highly robust technology. We doesn't provide intelligent sulfuric acid water flow meter products or service, please contact them directly and verify their companies info carefully. The measurement can not be influenced by the change of fluid density,viscosity,temperature, pressure and conductivity;