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Softening Point Tester: RKA 5

Softening Point Tester: RKA 5

Description The ring-and-ball softening point tester automatically determines the temperature at which a substance attains a particular degree of softness . It is used for samples without sharply defined melting points , which become softer and less viscous as the temperature rises. The RKA 5...
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The ring-and-ball softening point tester automatically determines the temperature at which a substance attains a particular degree of softness. It is used for samples without sharply defined melting points, which become softer and less viscous as the temperature rises.
The RKA 5 with its different ball-centering and dispensing devices is used for bitumen.

Key Features

Benefits at a Glance

  • Temperature-heating rate chart for conformity check of each test

  • Multi-point temperature calibration

  • Provision against the erroneous detection of air bubbles

  • Automatic assessment of results acc. to the requirements of the standard

  • Statistical and database functionality

  • The heating system is spill-protected and in a sealed case for safe operation and easy cleaning

Convenient Operation

  • A laser scanner system covers the whole beaker cross-section area. This ensures a very reliable detection of the falling ball.

  • The smart jog wheel operation system (turn and push) and Pmove®, as an innovative operation platform, make it easy to select one of the pre-set standard programs or choose one of the 20 user-definable settings.

Customized User Flexibility

  • Automatic electromagnetic ball-dispensing system (optional) recommendable for softening points > 80 °C. 
    It consists of a standard test rack and centering guides in combination with two electromagnetic holders for the automatic ball dispensing after 15 min.

  • Bar code scanner (optional) for up-to-date sample identification

Technical Specification

ConfigurationRKA 5 incl. test rack with manual ball-centering and dispensing device
Application rangeup to 200 °C
Test places2
HeatingIR radiation, ROBAX® heating plate, spill-protected
Stirring100 rpm to 150 rpm (program-dependent)
Display5” graphical color, graphical menu guidance
Cooling after testPowerful fan
Temperature probePt100 (4-wire, gold contacts)
InterfacesRS232, 3x USB, LAN, LIMS compatibility
Power supply115 V or 230 V, 50 Hz/60 Hz, 1.2 kW
Dimensions230 mm x 470 mm x 520 mm (W x D x H)
Weightapprox. 12 kg

Packing & Shipping

Delivery detail:

UPS/DHL/FEDEX/TNT express are available for your choose which take 3~ 5 days to arrive,and  we will offer the tracking number for you to check the status of your items online at any time. 

 By air cargo which takes about one week to arrive .

 By sea which takes about 20-30days to arrive , depending on your actual requirements.


Our Service


12 months warranty for scientz High Throughput Tissuelyser

If any technical problem during warranty time, replacement parts will be sent free of charge.

Technical support is also available in whole time.

2.Our Advantage

1. Reply your enquiry in 24 working hours.

2. Experienced staffs answer all your questions in fluent English.

3. OEM is available if the quantity is large.

4. We offer very competitive for all our products.


Our machines undergo an extensive and strict testing and quality control procedure, ensuring every item purchased meet global quality standards.It's safe and reliable quality for scientz High Throughput Tissuelyser.

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