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OLBRICH
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CONE &Plate Viscometer
The viscosity of coatings, such as paint, show typical changes when applied with brush, roller or spray gun etc. under high shear rates.
For this reason, it is essential that the flow behaviour of such non-newtonian products is tested under stringent conditions, in order to achieve optimal formulation and process monitoring.
Standardised test methods recommend a shear rate of 10,000 s.' (BS) or 12,000 s.' (ASTM) as satisfactory test figures.
This new Cone & Plate viscometer is specially designed for this purpose. A highly accurate wear resistant cone rotating at high speed on a temperature controlled plate simulates the expected "real world" application shear.
The combination of the instrument's 2 standard speeds and the choice of 5 viscosity ranges allow precise testing of a wide range of products in compliance with National test methodologies.
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Features
- Interchangeable cones, simple to install with quick release chuck for easy cleaning
- Reading in P, cP, Pa.s, or mPa.s
- Pre-selected or adjustable runtimes 5 - 59 s, with manual or automatie start
- Rapid temperature control with adjustable pre-heating time 0 - 59 s
- Adjustable limit/tolerances setting with warning
- Calibration by user: viscosity (for any cone used with certified oils), and temperature
- Memory for 100 readings, with 3-digit adjustable sampie identification, RS232 PC/printer data output
- Easy menu-guided / soft-key operation: cone range,parameter setting, reading, set point & plate temperature,speed, viscosity, sam pie identification, calibration,
date
- Selectable modes: fully functional or simplified routine,security protected Standard package: Viscometer base unit with built-in temperature control system, PC/printer cable Note: suitable co ne kit for your application (including 5 certified calibration oils) to be ordered as a separated accessory.
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Cone kit, with 5 certified calibration oils
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Performance
- Dual speed (standard): 750 rpm = 10,000 s.900 rpm = 12,000 s.,
- Viscosity: 5 cone/measuring ranges: 0-5,0-10,0-20,5-50, 10-100 P Resolution: 0.01 P, accuracy <:t 2%, repeatability: <:t 0.5%
- Built-in temperature control: 5° to 65°C Resolution: :t 0.1°, accuracy: :t 0.2 °c
- 90-240V AC - 50/60 Hz
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Ordering references
Cone & Plate Viscometer
- CP1 Cone & plate base unit (cone not included)
- 490/1/CK Cone kit 0-10 Poise, with 5 certified calibration oils
- 490/2/CK Cone kit 0-20 Poise, with 5 certified calibration oils
- 490/3/CK Cone kit 5-50 Poise, with 5 certified calibration oils
- 490/4/CK Cone kit 10-100 Poise, with 5 certified calibration oils
- 490/5/CK Cone kit 0-5 Poise, with 5 certified calibration oils
Optional accessories
- 490/715/S Vapour trap
- 490/P Printer, battery operated
Note: Individual cones and calibration oils available upon request.
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Standards
- ASTM D4287
- BS 3900 A7-1
- ISO 2884-1
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Rotothinner
This easy to use viscometer allows the operator to continuously monitor the viscosity of the test sampie, whilst simultaneously adding a solvent or thinner. A sam pie taken from large production batch can be quickly measured in a 250 ml tin and the related thinning ratio scaled for instant process adjustment if required.
The Rotothinner's robust construction enables it to operate either in a production environment or in the laboratory.
A selection of 3 versions equipped with ball or disc shaped rotors cover the various test ranges.
Features
- Continuous reading in Poise
- Simple to install spindie into quick release chuck, easy to clean
- Possibility of multi-point calibration by user withoptional key
- Memory for 9 readings, RS232 serial interface to printer
- Standard package: Viscometer, 1 spindie, 250 ml tin can, printer cable.
Performance
- 3 models & measuring ranges: 0-15, 0-65,1-340 Poise o Spindie speed: 562 rpm, :t 1%
- Resolution: 0.1 P; 1 P for 340 P model
- Accuracy: :t-2%; repeatability: :t1 % of full scale
- Operating temperature: +15° to +35°C
- 90-240V AC - 50/60 Hz
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Gel Strength Tester
8ased on the Rotothinner design, this instrument is specially suited to assess the yield strength and consistency of thick paints and other materials such as gels and putties etc.
A 250 ml can containing the sam pie is magnetically fastened onto a turntable, wh ich is loaded with a calibrated spring displaying an engraved scale of 0-450 gm/cm. When immersed into the sampie, the flat 4 x 2 cm paddle spindie rotates automatically at 2 rpm, and drives the whole can & turntable.
After a peak reading followed by a short time of stabilisation, a steady torque value is indicated on the scale. Other paddle sizes are available on request.
Features
- Electronic constant speed control over the full range
- Paddle spindie simple to install with quick release chuck,easy to clean
- Safety height sensor preventing the rotor from rotatingabove the can
- Sturdy construction for use either in lab or production line
- Standard package: Viscometer, paddle spindie,250 ml / 085 mm can.
- 220-240V - 50 Hz
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Ordering references Gel Strength Tester
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455N/15 Rotothinner 0-15 Poise, spindie included
455N/65 Rotothinner 0-65 Poise, spindie included
455N/340 Rotothinner 1-340 Poise, spindie included
Optional accessories
480/019/S Calibration key
455N/15/CAL Set of 3 calibration oils for 0-15 Prange 455N/65/CAL Set of 3 calibration oils for 0-65 Prange 455N/340/CAL Set of 3 calibration oils for 1-340 Prange
Standards
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Krebs Viscometer - Digital
Based on the popular traditional KREBS method, using a weight-driven rotating paddle to sense the paint viscosity at a constant 200 rpm, this modern digital instrument provides automated motor operation, without weights & pulley, allowing accurate direct reading in KU (Krebs units), mPa.s (cP) or 9 (gram). The conversion between these units is automatically calculated by the microprocessor and displayed on request. Sturdy construction allows for use either in a production environment or in the laboratory.
Features
- Single or continuous reading in KU, mPa.s (cP), gram D Over-range indication
- Simple to install rotor spindie into quick release chuck,easy to clean
- Safety height sensor preventing the rotor from rotating above the can
- Possibility of multi-point calibration by user with optional key
- Memory for 9 readings, RS232 serial interface to printer
- Standard package: Viscometer, rotor spindie, 1 pint(500 ml) 1 085 mm can, printer cable.
Performance
- Range: 37-141 KU, 70-1100 g., 10-5000 cP (mPa.s) DAccuracy: :i:-2%; repeatability: :i:1% of full scale
- Resolution: KU: 0.1, gram: 1 g., cP: 10 cP
- Operating temperature: +15° to +35°C
- 90-240V AC - 50/60 Hz
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Ordering references
Krebs Viscometer - Digital
- 480 Digital Krebs viscometer, direct viscosity reading
Optional accessories
- 4801019/S Calibration key
- 480/CAL Set of 3 certified calibration oils
Standards
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Krebs Viscometer - Original
This traditional KREBS instrument uses a rotating paddle driven by falling weights to determine the paint viscosity. The viscosity value in Krebs units can be easily converted using the table supplied or by calculation by formula from the resultant value of total weight required to reach 200 rpm. The robust and simple construction of this viscometer allows it to be used in various environments.
2 versions available: with tachometer or with stroboscope.
Features
- Range: 54-140 KU (75-1000 g.)
- Sturdy mechanical assembly & easy maintenance
- Easy to read speed indication
- Good value for money
- Standard package: Viscometer, paddle rotor,1 pint (500 ml) 1 085 mm can, Set of 7 weights (2 x 5g, 1 x 10g, 1 x 25g, 1 x 50g, 2 x 100g, 1 x 200g, 1 x 500g), AC/DC 12V adapter (for digital version)
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Ordering references
Krebs Viscometer - Original
- 407 Krebs viscometer with stroboscope speedreading, 220-240V AC - 50 Hz
- 407/110 Krebs viscometer with stroboscope speed reading, 110V AC - 60 Hz
- 407/AKrebs viscometer with digital speed reading,dual voltage
Optional accessories
- 480/CAL Set of 3 certified calibration oils
Standards
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