A.KRÜSS Optronic Process Refractometer
Complete quality control!
Process refractometers are built directly into pipework and boilers or operated in the bypass. They are ideal for process monitoring, control and product separation in a variety of industries (chemicals, beverages, food and sugar). Why use Refractometers in pipelines? The monitoring of refractive index is a popular method of inline quality control in many process industries, including pulp and paper, food and beverage, chemical and pharmaceutical, and wastewater. It provides real-time data for quality control and Good Manufacturing Practice (GMP), and can be used to monitor qualities such as concentration of a solution, density of a fluid, or % Brix. An inline process refractometer is installed directly into pipework or a boiler, with standard connections for easy assembly. The alternative bypass process refractometer analyses a stream of fluid drawn off the main process run.
PRB21 Bypass Process Refractometer
The bypass process refractometer PRB21 fills the gap between the DR6000 series of digital laboratory refractometers and the process refractometer PR21. The sample is fed into the measurement chamber through a stainless steel bypass. The prism is made of particularly scratch-resistant sapphire. The PRB21 is generally connected to a PLC and provides continuous process control. Small sample volumes suffice for this. The measurement interval is adjustable (>3 s) and the measurement result is not affected by either the colour or the turbidity of the sample. The PRB21 has various interfaces and can also be supplied with PROFIBUS on request. A display is also available for visual monitoring. Automatic temperature compensation can be obtained by means of the internal temperature sensor and the measured temperature fed to the PLC.
Fields of application
Determination of mixing ratios, quality and quantity inspection in the following industries:
- Beverages
- Food
- Sugar/sweeteners
- Chemicals
- Flavours
- Petrochemicals
- Cosmetics / hygiene
- Metalworking
- Pharmaceuticals
- Water / effluent
- Education / research
Special Features
- Excellent value for money
- Wide measurement range from 1.3300 -1.5600 nD; 0-95 %Brix
- Adjustable measurement interval (min. 3 s)
- Password-protected
- Prism in the sample chamber is easy to clean
- User-friendly interfaces for direct connection to a PLC
- Very easy to install, no special requirements
Shipment
Benefit from reliable delivery options
Every day, we ship our laboratory equipment throughout Nigeria and internationally. We work with trusted and experienced logistics and courier partners to ensure safe and timely delivery. Shipping costs and delivery times depend on the items ordered and the recipient’s location. Alternatively, you may arrange to collect your order in person by appointment. Below is an overview of our shipping options and policies.
Shipping within Nigeria
All goods are insured as standard up to a value of ₦ equivalent of €25,000. Shipping costs are calculated based on the weight, dimensions, value of the shipment, and delivery destination within Nigeria. For detailed shipping information, please contact us directly—we will be happy to assist.
International shipping
For accurate international shipping costs, we require details of the specific product(s) you wish to order.
Please contact us by telephone or email for a tailored quotation.
Freight forwarding, sea or air freight
For large, heavy, or specialized equipment, we provide personalised quotations for road freight, sea freight, or air freight. Taking current logistics conditions into account, we aim to offer the best possible price-to-performance ratio.
Incoterms 2020
All shipments are handled in accordance with Incoterms® 2020 (ICC). Please contact us to confirm and agree on your preferred delivery terms.
Self-collection
If required, you may collect your goods in person by prior appointment. Please note that pricing and availability may vary between Nigeria and other countries.
Standard deliveries
Standard shipments within Nigeria are handled by reputable courier and logistics providers. Upon request, we can also arrange alternative carriers to meet specific delivery requirements.
Insurance
All deliveries are insured up to a maximum value of ₦ equivalent of €25,000. If the value of your goods exceeds this amount, we will contact you to arrange additional insurance coverage.
Delivery time
Delivery times depend on product availability and order volume. High-demand items may be subject to delays beyond our control. If you require urgent delivery, please inform us in advance, and we will do our best to accommodate your request.
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