Model HTD13145 Six-Speed Rotational Viscometer and Model HTD13185 Twelve-Speed Rotational Viscometer for Drilling Fluids Testing

Product Description

1,Introduction
Model HTD13145/13185 rotational viscometers are direct-reading instruments which are available in six-speed and twelve-speed designs for use on either 50Hz or 60Hz electrical power. The power source is 100~240V. All models are fitted with a standard transformer.
Model HTD13145/13185 rotational viscometers are coaxial cylinder rotational viscometer. In this viscometer, the test fluid is contained in the annular space (shear gap) between an outer cylinder and the bob (inner cylinder).
Viscosity measurements are made when the outer cylinder, rotating at a known velocity, causes a viscous drag exerted by the fluid. This drag creates a torque on the bob, which is transmitted to a precision spring where its deflection is measured. Compare measurements with test conditions and instrument constants. Model HTD13145/13185 rotational viscometers are used in research and production. These viscometers are used for evaluating the rheological properties of fluids.
Viscosity measured by a coaxial cylinder rotational viscometer. Model HTD13145/13185, is a measure of the shear stress caused by a given shear rate. This relationship is a linear function for Newtonian fluids (i.e., a plot of shear stress vs. shear stress vs. shear rate is a straight line).
The instrument is designed so that the viscosity in centipoise (or millipascal second) of a Newtonian fluid is indicated on the dial with the standard rotor, bob, and torsion spring operating at 300 rpm. Viscosities at other test speeds may be measured by using multipliers of the dial reading. A simple calculation that closely approximates the viscosity of a pseudo-plastic fluid, such as a drilling fluid.
The shear rate may be changed by changing the rotor speed and rotor-bob combination. Various torsion springs are available and are easily interchanged in order to broaden shear stress ranges and allow viscosity measurements in a variety of fluids.
2,Type Specification

Model	Name
HTD13145/HTD13185	Rotational Viscometer

3,Technical Specification

No.	Technical Specification
1	Power Supply	AC100V-240V;50Hz
2	Motor Power	120W
4	Speed Range	HTD13145:3,6,100,200,300,600r/min HTD13185:0.9,1.8,3,6,30,60,90,100,180,200,300,600r/min
6	Measuring Accuracy	1~25 mPa·s: ±1 mPa·s(Newtonian Fluid) Above 25 mPa·s: ±4% (Newtonian Fluid)
7	Viscosity Measuring Range	Newtonian Fluid: 0~30000mPa.s (F1 Measure component) 0~6000mPa.s (F0.2 Measure component) Non-Newtonian Fluid:0~150 mPa.s (F1 Measure component) 0~30 mPa.s (F0.2 Measure component) Shear Stress: 0~153.3Pa (F1 Measure component) 0~30.7Pa (F0.2 Measure component)
8	Net Weight / Gross Weight	6.22kg/8.08kg
9	Overall Dimensions	300×290×440mm
10	Packing Size	560×425×265mm

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FAQ:
Q1 : Are you a manufacturer or a trading company ?
A1: We are manufacturer.
Q2: What is your main brand?
A2: Our brand is Haitongda, which is famous in China and other nation. Also we do OEM.
Q3: What are your business scope and product classification?
A3:Business scope: mud analysis instrument, electronic products, special instrument, mold design and manufacturing; Instrument maintenance and sales; Import and export of goods and technologies.
Product classification: including drilling fluid analysis instrument, oil well cement testing instrument and field overall solution, including 22 small categories and over 120 products.
Q4: What is your MOQ for the order?
A4: Testers per 1 set.
Q5: What is the warranty period of your instrument?
A5: One year.
Q6: Can I get better offer if our order can be bigger?
A6: Certainly. We will give you better prices based on the quantity for your order.
Q7:What certificate do you have for your instrument?
Q7: ISO, SGS and so on
Q8: What is your lead time for our order?
A8: For new order: 3 weeks;
For stock order: 3 working days after T/T. Based on FOB Qingdao.
Q9: What is your advantage of your factory?
A9: We are the original oil ministry designated drilling fluid analysis equipment manufacturer in China, which was founded in 1968.
Q10: What is the process to become an agency?
A10: Please send us mail enquiry, then we will reply you as soon as possible.
Contact us:
Qingdao Haitongda Special Instrument Co.,Ltd.
Add:No.320, Jiushui East Road,Licang district,Qingdao City,Shandong Province,China(266100)

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