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Laboratory Apparatus Products

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000RENG148534
Rehmie.com.ng
Vernier Caliper - 6' - 150mm
This classic caliper is a great tool for mechanics, machinists, and hobbyists to use for shop, school or home. Keep your caliper protected and dust-free in the padded storage container. Measuring Range: 0-6 inches & 0-150 mm Resolution: 1/128" & 0.05 mm Measures in Both SAE & Metric Measures Inside, Outside, Depth
Vernier Caliper - 6' - 150mm
Vernier Caliper - 6' - 150mm
₦ 6,750.00 ₦ 7,500.00 -10%
000RENG148396
Rehmie.com.ng
Portable Ph Meter / Process / Waterproof
Characteristics Mobility: portable applications: process Other features: watertight Measuring range: Min: 0 unit Max: 15 units Description High & plusmn; 0.01 pH accuracy in a waterproof pocket-sized instrument! Suitable for MOST ASTM and EPA test procedures Double junction electrode ideal for dirty water, heavy sulphides, buffers Tris and organics Increased reference gel volume offers Significantly along electrode life Certifiable to IP67 standards-waterproof and dustproof housing floats Replaceable Sensor lets you reuse Sami meter body , saving you money Automatic temperature compensation Three points push-button calibrationNow you can have high & plusmn; 0.01 pH accuracy in a pocket-sized waterproof instrument! These instruments also feature a dual junction electrode that is ideal for dirty water and heavy metals or other contaminants. Testr features a waterproof, dustproof housing that protects your instrument from rugged field or plant environments.
Portable Ph Meter / Process / Waterproof
Portable Ph Meter / Process / Waterproof
₦ 34,100.00 ₦ 38,750.00 -12%
000RENG148349
Rehmie.com.ng
Analytical Weighing Balance
Display 4 Digit Digital Display Power Source Electric Voltage 220 V Usage Laboratory Phase Single Phase Least Count 0.01 mg Comprehending the varied desires of our clients, we are instrumental in presenting a comprehensive range of Analytical Weighing Balance,. is a new age brand for weighing scales manufacturing. These are electronic and mechanical equipment which are built with precision accuracy for related application. Hanging Dial Scale Great for Jewellery Weighing Tasks. International technology Portable for easy use. Always buy ATOM brand products for warranty reasons. Product Specification Use Home, Industrial, Office, Business Rated Load 600g Minimum Order Quantity 1 Piece Adapter included Pan size - 12cm by 12cm (4.8inch by 4.8inch) | outside calibration Auto zero tracking | auto shut off Gradation - 0.01gm | counting function Capacity - 600gms
Analytical Weighing Balance
Analytical Weighing Balance
₦ 300,000.00 ₦ 375,000.00 -20%
000RENG146846
India Star
Flow Meter Measurement Apparatus
The apparatus consists of three very important flow measuring devices which are Venturi meter, orifice meterand rotameter. All three flow meters are extensively used in industrial sector. Flowmeter Measurement Apparatus is designed to operate together with a basic hydraulic bench or any water supply. Hydraulics is the branch of science that deals with the mechanical properties of fluids, and Fluid Mechanics provides the foundation for hydraulics. With LIFLUBA (Basic Fluids Mechanics Integrated Laboratory), EDIBON tries to give answer to the academic demand for teaching and learning the basics of Fluids Mechanics, in an easy and practical way. With the LIFLUBA modules series, students accomplish experiments that clearly show them the laws of Hydraulics, and they acquire a valuable experience in the use of hydraulics instrumentation and tools, in a natural, pleasant and uncomplicated way
Flow Meter Measurement Apparatus
Flow Meter Measurement Apparatus
₦ 4,241,250.00 ₦ 4,875,000.00 -13%
000RENG143784
Rehmie.com.ng
Plastic Rain Gauge - Science Teaching Instrument
Rain Gauge Plastic Rain Gauge Science Teaching Instrument Is Suitable for Gardeners, Weather Observers, Gadget Lovers Measure the thickest droop - or light rain. With reliable and easy-to-read clear numbers, you absolutely do not need to be a technical geek to set up and use this straightforward and simple manual rainwater collector The perfect garden and courtyard assistant-Finally, no more guessing, you can use it with confidence when your garden or family farm is getting what they need. Interesting sharing and compatibility - If you are a gardener or weather observer, talking about the weather and the amount of rain collected in the rain gauge is a great way to connect with family, friends and neighbors.perfect school teaching tool. Special gift! Suitable For Gardeners, Weather Observers, Gadget Lovers,Can also be used as an elementsary school science teaching instrument Color: WhiteMaterial: plasticSize: The upper and lower caliber is 10.5cm, the middle is 11.5cm, the total height of the product is about 24.5cm Package Contents:1 * Rain gaugeOnly the above package content, other products are not included.Note: different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
Plastic Rain Gauge - Science Teaching Instrument
Plastic Rain Gauge - Science Teaching Instrument
₦ 24,475.00 ₦ 27,500.00 -11%
000RENG136942
Rehmie.com.ng
Digital Electronic Weighing Balance -2000gm/0.1g
This digital electronic balance is an intelligent balance composed of high stability sensors and a single chip microcomputer, solves the problems of creep and linearity caused by a resistance strain sensor.Precision:Measure up to 2kg/2000gm with the precision of 0.1gFeature:LCD Digital Display Sustainable weighing, high precision Automatic zero point tracking system function Advanced and unique starting up self inspection function High integrated IC circuit board, high tech levelFunction:peeling weight, self correcting, memory, counting, fault displayAdvantage:Accurate weighing, fast stability, simple operation and complete function, and is suitable for rapidly determining the quality and quantity of objects in industry, agriculture, commerce, school, scientific research and other units LCD Blue DisplayHighly DurableLarge Weighing PlatformMultiple weighing unitsLab & Research GradeSS Platform optionalParameters 2000gm/0.1gBrand: KERROPlatform Size: 145mm*145mmDisplay: LCD DisplayPower: 2*AAA Battery or 6v Adapter( optional)Back-Light: WhiteCalibration: External KINDLY NOTE:KERRO offers a perfect weighing solution for your laboratories & research projects. You can choose among the best models as per as your need. Contact us with your requirements.
Digital Electronic Weighing Balance -2000gm/0.1g
Digital Electronic Weighing Balance -2000gm/0.1g
₦ 31,600.00 ₦ 40,000.00 -21%
000RENG111242
Unic
Compound Binocular Electric Microscope
Compound Binocular Electric Microscope Binocular Compound Microscope has a pair of 10x widefield eyepieces, a forward-facing nosepiece with four achromatic objectives, LED illumination, coaxial nested coarse and fine focus, 1.25 NA Abbe condenser with iris diaphragm and green filter, and a mechanical stage. The binocular head has a pair of eyepieces that slide to adjust interpupillary distance, a fixed inclination to reduce eye and neck strain, and rotation capability to provide a more comprehensive view and enable sharing. An anti-mold coating preserves optics in high-humidity areas. A forward-facing nosepiece eases changing objectives. Finite semi-plan achromatic objectives provide color correction and improved focus over the central 80 percent of the viewing field. The 40xS (spring) and 100xS (spring, oil) objectives are spring-loaded to retract when they come into contact with the stage or slide, preventing slide damage when focusing. The 100xS oil objective provides increased resolution over a standard objective. A compound microscope is used for inspection and dissection of specimens when two-dimensional images are desired. The microscope has lower (diascopic) brightfield illumination that transmits light up through the specimen for enhanced visibility of translucent and transparent objects. Brightfield (BF) illumination allows the specimen to absorb light, resulting in a dark image on a light background. The LED light source provides bright, cool light for working with temperature-sensitive or live specimens, and a rheostat controls the amount of light emanating from the lamp. The Abbe condenser can be adjusted to control the distance of the light from the stage, and has an iris diaphragm to optimize the amount of light illuminating the specimen. A green filter is included to modify the light to suit various specimens. The mechanical stage locks the slide into place and provides precise slide manipulation along the X- and Y-axes. Coaxial coarse and fine focus knobs are nested to speed focusing for left-and right-handed viewers. Microscope Head and Optics Specifications:Head Binocular, slidingMagnification range 40x to 1000xHead inclination 45 degreesHead rotation 360 degreesInterpupillary adjustment 55 to 75mmEyepieces WF10x18Nosepiece Quadruple, forward-facingObjectives, brightfield 4x, 10x, 40xS, 100xS (oil) Microscope Illumination and Stage Specifications:Focus type Coaxial coarse and fineFine focus divisions and precision 0.002mmCoarse focus stroke 37.7mmFine focus stroke 0.2mmFocus travel range 28mmCondenser 1.25 NA AbbeLight source LED with rheostatIllumination type BrightfieldStage type MechanicalStage dimensions 140 x 140mm (W x D)Stage travel range 75 x 50mm (X-direction x Y-direction) H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back. What's in the Box?Binocular Compound Microscope(2) WF10x18mm eyepieces4x semi-plan achromatic objective10x semi-plan achromatic objective40xS semi-plan achromatic objective100xS (oil) semi-plan achromatic objectiveGreen filterImmersion oilDust coverInstructions
Compound Binocular Electric Microscope
Compound Binocular Electric Microscope
₦ 150,437.50 ₦ 181,250.00 -17%
000RENG101545
Rehmie.com.ng
Digital Electronic Lab Weighing Balance Scale - 5000g X 0.1g
High accurate large capacity 5000gx0.1g digital laboratory counting diamond chemical drug weighing balance pocket scale used in laboratory and school with shield and AC adaper Capacity:5000g*0.1g Division: 0.1g Weighing modes: g/oz/ct/tl Product dimensions: 228(L)x160(W)x42(H)mm Color: white High-precision straining resistance sensor Standard weight auto calibration Auto off (after 180 seconds of inactivity) functions Full tare capacity Outside Calibration Counting function White digit LCD display LCD size: 65 x22 mm Low battery and overload indication Stainless steel platform 90*90mm Power supply: 2xAAA Batteries (excluded) or AC adapter Working temperature: 0-40 & deg;C(32 & deg;C-104 & deg;C) Packing: Manual, Foam, PP bag, scale
Digital Electronic Lab Weighing Balance Scale - 5000g X 0.1g
Digital Electronic Lab Weighing Balance Scale - 5000g X 0.1g
₦ 52,732.50 ₦ 66,750.00 -21%
0000RENG81307
Rehmie.com.ng
Multi-purpose Ammeter
A general purpose student bench meters with a full-scale accuracy of & plusmn;2.5% and overload protection. Additional features: large 3" scale, external zero-adjust calibration, and fully enclosed plastic case with inclined meter face. Double range, 0 ~10A, and 0 ~15A. Material: Plastic casing, Dimensions: 130mm X 95mm X 95mm.
Multi-purpose Ammeter
Multi-purpose Ammeter
₦ 7,035.00 ₦ 8,375.00 -16%
0000RENG80561
Rehmie.com.ng
Laboratory Coat -white
Description DescriptionOur Unisex Lab Coats offers a wide range of scrub outfits for medical professionals who need reliable work clothing . We offer a sleek polyester/cotton mixed coat designed in line with general protective clothing to protect the wearer from harmful chemicals and pollutants. It protects one from dirt, dust, leakage and stains.White Unisex Lab Coat is made with a 40/60 Polyester/Cotton blend for softness, durability, And Easy Cleaning. Commercial Grade Lab Coats Are Built To Ensure Lab Safety And Preserve Clothing. These lab coats are designed to not restrict its wearer in any way and to cover him/her fully in order to protect him/her from contaminants. These lab coats both breathable as well as lightweight as well.Suitable for food industry, labs, school, hospital, pharmacy, Food outlets etc. 2 Waist Pockets and 1 Chest PocketLong SleeveGender: UnisexCustom Styled for Men and Women.
Laboratory Coat -white
Laboratory Coat -white
₦ 7,350.00 ₦ 8,750.00 -16%
0000RENG80552
Rehmie.com.ng
Analytica Lab Digital Weighing Scale Balance - 5000g X 0.1g
Accurate, rapid and steady weighingAdopt high quality plastic for long-term useAdopt high-definition Backlight LCD screen display, easy to readEasy to operate for each userSuitable for rapidly determining the quality and quantity of the objects in industrial, agricultural, commercial, schools and scientific institutionsRechargeable battery, power saving and environmentally friendly. Rechargeable battery, power saving and environmentally friendly 1. Pan: 165 & times;165 mm (Stainless Iron 304)2. Display: LCD (white back-light) (L & times;W) 95 & times;25 mm3. Interface: No4. Power: AC5. Units: g, kg, oz, ct, lb, GN6. More functions: counting, last remember, %, full range tare, over-load protection, zero tracking, low-battery indicator7. Attachments: 1 scale, 1 english manual, 1 adapter.8. Speed: 2 s9. Value stable time: 0.5
Analytica Lab Digital Weighing Scale Balance - 5000g X 0.1g
Analytica Lab Digital Weighing Scale Balance - 5000g X 0.1g
₦ 48,950.00 ₦ 55,000.00 -11%
0000RENG70759
Rehmie.com.ng
Digital Electronic Weighing Balance -600g/0.01g
DetailsUsage:This digital electronic balance is an intelligent balance composed of high stability sensors and a single chip microcomputer, solves the problems of creep and linearity caused by a resistance strain sensor.Precision:Measure up to 600g with the precision of 0.01g Parameters 600g/0.01gBrand: KERROPlatform Size: F105mm Display: LCD DisplayUnit: g/oz/ct/dwt/gn/pcs/tlPower: 2*AAA Battery or AdapterBack-Light: BlueWind-Shield: YesCalibration: ExternalSS Pan Yes Feature: LCD Digital Display Sustainable weighing, high precision Automatic zero point tracking system function Advanced and unique starting up self inspection function High integrated IC circuit board, high tech levelFunction:peeling weight, self correcting, memory, counting, fault displayAdvantage:Accurate weighing, fast stability, simple operation and complete function, and is suitable for rapidly determining the quality and quantity of objects in industry, agriculture, commerce, school, scientific research and other unitsLCD Blue DisplayHighly DurableLarge Weighing PlatformMultiple weighing unitsLab & Research GradeSS Platform optional KINDLY NOTE:KERRO offers a perfect weighing solution for your laboratories & research projects. You can choose among the best models as per as your need. Contact us with your requirements.
Digital Electronic Weighing Balance -600g/0.01g
Digital Electronic Weighing Balance -600g/0.01g
₦ 61,425.00 ₦ 78,750.00 -22%
0000RENG30639
Rehmie.com.ng
Digital Thermometer And Hygrometer
Digital Temperature and Humidity meter Temperature range : -10 to 50 C(-14 to 122F)Humidity range: 10%-99%RH Temperature: 0.1C Humidity Resolution: 1%Temperature Accuracy: 1C(1.2F) Humidity Accuracy 5%Power supply : 3V (1pc CR2032 button battery)Size : 76x63x14.3mm Net weight: 47,5g
Digital Thermometer And Hygrometer
Digital Thermometer And Hygrometer
₦ 4,350.00 ₦ 5,000.00 -13%
0000RENG25749
Rehmie.com.ng
Pipe Friction Apparatus
The pipe friction apparatus consists of a test pipe (mounted vertically on the rig), a constant head tank, a flow control valve, an air-bleed valve, and two sets of manometers to measure the head losses in the pipe (Figure 4.1). ... This experiment is performed under two flow conditions: high flow rates and low flow rates. 1. INTRODUCTION The total energy loss in a pipe system is the sum of the major and minor losses. Major losses are associated with frictional energy loss that is caused by the viscous effects of the fluid and roughness of the pipe wall. Major losses create a pressure drop along the pipe since the pressure must work to overcome the frictional resistance. The Darcy-Weisbach equation is the most widely accepted formula for determining the energy loss in pipe flow. In this equation, the friction factor (f ), a dimensionless quantity, is used to describe the friction loss in a pipe. In laminar flows, f is only a function of the Reynolds number and is independent of the surface roughness of the pipe. In fully turbulent flows, f depends on both the Reynolds number and relative roughness of the pipe wall. In engineering problems, f is determined by using the Moody diagram. 2. PRACTICAL APPLICATION In engineering applications, it is important to increase pipe productivity, i.e. maximizing the flow rate capacity and minimizing head loss per unit length. According to the Darcy-Weisbach equation, for a given flow rate, the head loss decreases with the inverse fifth power of the pipe diameter. Doubling the diameter of a pipe results in the head loss decreasing by a factor of 32 ( & asymp; 97% reduction), while the amount of material required per unit length of the pipe and its installation cost nearly doubles. This means that energy consumption, to overcome the frictional resistance in a pipe conveying a certain flow rate, can be significantly reduced at a relatively small capital cost. 3. OBJECTIVE The objective of this experiment is to investigate head loss due to friction in a pipe, and to determine the associated friction factor under a range of flow rates and flow regimes, i.e., laminar, transitional, and turbulent. 4. METHOD The friction factor is determined by measuring the pressure head difference between two fixed points in a straight pipe with a circular cross section for steady flows. 5. EQUIPMENT The following equipment is required to perform the energy loss in pipes experiment: F1-10 hydraulics bench, F1-18 pipe friction apparatus, Stopwatch for timing the flow measurement, Measuring cylinder for measuring very low flow rates, Spirit level, and Thermometer. 6. EQUIPMENT DESCRIPTION The pipe friction apparatus consists of a test pipe (mounted vertically on the rig), a constant head tank, a flow control valve, an air-bleed valve, and two sets of manometers to measure the head losses in the pipe (Figure 4.1). A set of two water-over-mercury manometers is used to measure large pressure differentials, and two water manometers are used to measure small pressure differentials. When not in use, the manometers may be isolated, using Hoffman clamps. Since mercury is considered a hazardous substance, it cannot be used in undergraduate fluid mechanics labs. Therefore, for this experiment, the water-over-mercury manometers are replaced with a differential pressure gauge to directly measure large pressure differentials. This experiment is performed under two flow conditions: high flow rates and low flow rates. For high flow rate experiments, the inlet pipe is connected directly to the bench water supply. For low flow rate experiments, the inlet to the constant head tank is connected to the bench supply, and the outlet at the base of the head tank is connected to the top of the test pipe [4]. The apparatus & rsquo; flow control valve is used to regulate flow through the test pipe. This valve should face the volumetric tank, and a short length of flexible tube should be attached to it, to prevent splashing. The air-bleed valve facilitates purging the system and adjusting the water level in the water manometers to a convenient level, by allowing air to enter them. 7. THEORY The energy loss in a pipe can be determined by applying the energy equation to a section of a straight pipe with a uniform cross section: If the pipe is horizontal: Since v= v The pressure difference (P-P) between two points in the pipe is due to the frictional resistance, and the head loss his directly proportional to the pressure difference. The head loss due to friction can be calculated from the Darcy-Weisbach equation: where: : head loss due to flow resistance f: Darcy-Weisbach coefficient L: pipe length D: pipe diameter v: average velocity g: gravitational acceleration. For laminar flow, the Darcy-Weisbach coefficient (or friction factor f ) is only a function of the Reynolds number (Re) and is independent of the surface roughness of the pipe, i.e.: For turbulent flow, f is a function of both the Reynolds number and the pipe roughness height, . Other factors, such as roughness spacing and shape, may also affect the value of f; however, these effects are not well understood and may be negligible in many cases. Therefore, f must be determined experimentally. The Moody diagram relates fto the pipe wall relative roughness (/D) and the Reynolds number (Figure 4.2). Instead of using the Moody diagram, f can be determined by utilizing empirical formulas. These formulas are used in engineering applications when computer programs or spreadsheet calculation methods are employed. For turbulent flow in a smooth pipe, a well-known curve fit to the Moody diagram is given by: Reynolds number is given by: where v is the average velocity, D is the pipe diameter, and and are dynamic and kinematic viscosities of the fluid, respectively. (Figure 4.3). In this experiment, h is measured directly by the water manometers and the differential pressure gauge that are connected by pressure tappings to the test pipe. The average velocity, v, is calculated from the volumetric flow rate (Q ) as: The following dimensions from the test pipe may be used in the appropriate calculations [4]: Length of test pipe = 0.50 m, Diameter of test pipe = 0.003 m. 8. EXPERIMENTAL PROCEDURE The experiment will be performed in two parts: high flow rates and low flow rates. Set up the equipment as follows: Mount the test rig on the hydraulics bench, and adjust the feet with a spirit level to ensure that the baseplate is horizontal and the manometers are vertical. Attach Hoffman clamps to the water manometers and pressure gauge connecting tubes, and close them off. High Flow Rate Experiment The high flow rate will be supplied to the test section by connecting the equipment inlet pipe to the hydraulics bench, with the pump turned off. The following steps should be followed. Close the bench valve, open the apparatus flow control valve fully, and start the pump. Open the bench valve progressively, and run the flow until all air is purged. Remove the clamps from the differential pressure gauge connection tubes, and purge any air from the air-bleed valve located on the side of the pressure gauge. Close off the air-bleed valve once no air bubbles observed in the connection tubes. Close the apparatus flow control valve and take a zero-flow reading from the pressure gauge. With the flow control valve fully open, measure the head loss shown by the pressure gauge. Determine the flow rate by timed collection. Adjust the flow control valve in a step-wise fashion to observe the pressure differences at 0.05 bar increments. Obtain data for ten flow rates. For each step, determine the flow rate by timed collection. Close the flow control valve, and turn off the pump. The pressure difference measured by the differential pressure gauge can be converted to an equivalent head loss (h) by using the conversion ratio: 1 bar = 10.2 m water Low Flow Rate Experiment The low flow rate will be supplied to the test section by connecting the hydraulics bench outlet pipe to the head tank with the pump turned off. Take the following steps. Attach a clamp to each of the differential pressure gauge connectors and close them off. Disconnect the test pipe & rsquo;s supply tube and hold it high to keep it filled with water. Connect the bench supply tube to the head tank inflow, run the pump, and open the bench valve to allow flow. When outflow occurs from the head tank snap connector, attach the test section supply tube to it, ensuring that no air is entrapped. When outflow occurs from the head tank overflow, fully open the control valve. Remove the clamps from the water manometers & rsquo; tubes and close the control valve. Connect a length of small bore tubing from the air valve to the volumetric tank, open the air bleed screw, and allow flow through the manometers to purge all of the air from them. Then tighten the air bleed screw. Fully open the control valve and slowly open the air bleed valve, allowing air to enter until the manometer levels reach a convenient height (in the middle of the manometers), then close the air vent. If required, further control of the levels can be achieved by using a hand pump to raise the manometer air pressure. With the flow control valve fully open, measure the head loss shown by the manometers. Determine the flow rate by timed collection. Obtain data for at least eight flow rates, the lowest to give h= 30 mm. Measure the water temperature, using a thermometer. 9. RESULTS AND CALCULATIONS Please use this for accessing excel workbook for this experiment. 9.1. RESULTS Record all of the manometer and pressure gauge readings, water temperature, and volumetric measurements, in the Raw Data Tables
Pipe Friction Apparatus
Pipe Friction Apparatus
₦ 3,587,500.00 ₦ 4,375,000.00 -18%
0000RENG18518
Uni
Test Tube Wooden Rack
Test Tube Wooden Rack is made of soft wood and has 12 test holes. WAEC approved and recommended quantities for a Biology and Chemistry class of 50 students are 50 and 50 respectively. is made of soft wood and has 12 test holes. WAEC approved and recommended quantities for a Biology and Chemistry class of 50 students are 50 and 50 respectively.
Test Tube Wooden Rack
Test Tube Wooden Rack
₦ 3,500.00 ₦ 4,375.00 -20%

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