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Cavro®
Centris Pump

Ultra-high precision pipetting for low flow rate applications

 

Related products:  Cavro Omni Flex  |  Cavro Omni Robot

A new level of accuracy for precision liquid handling

The Cavro Centris Pump is a premium compact syringe pump module for use in OEM laboratory instruments, setting new standards for accuracy, reliability and precision. It has a broader working volume range from a single syringe size than comparable OEM pumps, enabling you to do more with one pump than ever before.

Offering extremely precise flow rate control, the Cavro Centris is the perfect fit for microfluidic, chromatography, flow cytometry and surface plasmon resonance (SPR) instruments requiring smooth liquid flow with very low pulsation.

In addition, the high resolution Cavro Centris allows ultra-high precision for small volume pipetting to support assay miniaturization.

Highlights

  • Excellent accuracy and precision at low volumes saves precious reagents
  • Robust and reliable design results in long life and less maintenance
  • Innovative drive mechanism offers broader dynamic range

Superior pipetting performance

The Cavro Centris Pump’s high efficiency stepper motor and drive mechanism enable flow rates from under 5 nl/s up to 5 ml/s. This ensures excellent low volume liquid handling performance, while still offering the necessary speed and power to enable high volume applications.

Innovative and reliable by design

The Cavro Centris Pump’s simple and rigid mechanical design with few moving parts ensures exceptional reliability. Depending on the needs of your application, you can select from a broad range of ceramic or plastic valves and ceramic or glass syringes. Long-life ceramic components offer almost no resistance or wear of the valve or piston pump, resulting in greater longevity compared to conventional syringe pumps.

Alternatively, high quality glass and plastic components maintain premium performance benefits while reducing cost for applications which do not require the exceptional durability offered by a ceramic fluid path, allowing you to tailor the Centris Pump to your exact system requirements. Optimized motor drive electronics deliver whisper quiet operation, especially for slow dispense applications. The compact dimensions of the Cavro Centris Pump give it the smallest footprint of any OEM syringe pump, and the optional mounting kit provides maximum flexibility for easy hardware integration.

Read more

Superior longevity

The durable, long-life drive mechanism in the Cavro Centris Pump will last over 5 million cycles*, offering good reliability and reducing preventive maintenance costs. High quality parts also help to ensure the pump is relatively maintenance-free, keeping downtime to a minimum.

Configurations

Valve Configurations Centris Ordering Part Numbers
Valve/Syringe Type Configuration Spare P/N For Ceramic Syringe configurations, order Pump Base P/N 30053291 along with the Ceramic Syringe and desired valve below For Glass Syringe configurations, order Pump Base P/N 30063057 along with the desired valve below (Glass Syringe ordered separately)
Ceramic Syringe 250 µl Ceramic Syringe 30038200 30038193  
  Wash Option for 250 µl Ceramic Syringe 30051988 30048113  
  1.25 ml Ceramic Syringe 30038201 30038194  
  5 ml Ceramic Syringe 30038202 30038195  
  Wash Option for 5 ml Ceramic Syringe 30051986 30048101  
Non-Distribution Valves 3-port non-distribution Polymer 1/4-28 20729370   30074310
  3-port non-distribution Polymer M6 20731305   30074279
  4-port non-distribution Polymer 1/4-28 20736658   30074275
  4-port non-distribution Polymer M6 20736656   30074276
  4-port non-distribution Dual Loop Polymer 1/4-28 20738638   30074311
  3-port non-distribution Ceramic 1/4-28 30035942   30038176
  4-port non-distribution Ceramic 1/4-28 30038156   30038177
  4-port non-distribution Dual Loop Ceramic 1/4-28 30038154   30038178
Distribution Valves 3-port distribution Polymer 1/4-28 30059594   30074277
  3-port distribution Polymer M6 30061823   30074278
  3-port distribution Ceramic 1/4-28 30038158   30038179
  6-port distribution Ceramic 1/4-28 20737492   30038190
  9-port distribution Ceramic 1/4-28 20737494   30038191
  12-port distribution Ceramic 1/4-28 30038160   30038192

Centris pumps are configured in SAP or on paper to generate the correct part list. Not all configurations are shown.
Please contact your local Sales Representative for additional information.

Syringe options

Part Nr Description
30038200 250 µl Centris Ceramic Syringe
30038201 1.25 ml Centris Ceramic Syringe
30038202 5.0 ml Centris Ceramic Syringe
20730070 50 µl Centris Glass Syringe with UHMWPE plunger tip seal
20730071 100 µl Centris Glass Syringe with UHMWPE plunger tip seal
20737755 1.0 ml Centris Glass Syringe with UHMWPE plunger tip seal
Part Nr Description
20731069 250 µl Centris Glass Syringe with PTFE plunger tip seal
20728661 500 µl Centris Glass Syringe with PTFE plunger tip seal
20728662 1.0 ml Centris Glass Syringe with PTFE plunger tip seal
20728663 2.5 ml Centris Glass Syringe with PTFE plunger tip seal
20728664 5.0 ml Centris Glass Syringe with PTFE plunger tip seal
30064652 12.5 ml Centris Glass Syringe with PTFE plunger tip seal

Not all options are shown. Please contact your local Sales Representative for more information.

Please click here for more details on configurations and options.

Principle Stepper motor driven lead screw with magnetic encoder for step loss detection
Travel 30 mm
Plunger speed1 1.0 sec to >150 h
Resolution 181,490 increments
Life expectancy 5 million cycles2

1) per stroke, depending on syringe size and tubing
2) per Tecan life test protocols using Ceramic syringes

Sizes Glass: 50 μl, 100 μl, 250 μl,
500 μl, 1.0 ml, 2.5 ml, 5.0 ml, and 12.5 ml
Ceramic: 250 μl, 1.25 ml, 5 ml
Barrel material Borosilicate Glass or Ceramic
Plunger seal material PTFE or UHMWPE (some sizes),
N/A for Ceramic syringe configuration
Precision1 ≤0.05 % at full stroke
(1.25 ml Ceramic syringe)
Accuracy2 ≤0.25 %
(1.25 ml Ceramic syringe)

1) % CV at room temperature using deionized water
2) % deviation at room temperature using deionized water

Height 184.2 mm (7.25 in)
Width   44.5 mm (1.75 in)
Depth   68.8 mm (2.71 in)
Weight     1.3 kg   (2.80 lb)
Supply voltage 24 VDC ± 10 %
Peak current 2.5 A
Type RS-232, RS-485 or CAN BUS
Baud rate RS-232/485: 9,600 or 38,400
CAN: 100 KB, 125 KB, 250 KB, 500 KB or
1 MB
Addressing Up to 16 Centris pumps can be connected together
Communications Data terminal and OEM protocol (Serial);
Cavro CAN (CAN)
Inputs Two TTL Level inputs
Outputs Two TTL Level outputs
  Cavro’s industry standard OEM command set including volume-based pipetting commands, complete programming and speed control, error handling and diagnostics.
Operating temperature1 15-50 °C (59-122 °F)
Humidity2 20-80 % RH at 40 °C (104 °F)
Storage temperature -20 to +70 °C (-4 to 158 °F)
after fluid purge
Weight <500 g (1.1 lb)

1) mechanism
2) non-condensing, mechanism

  Optional Wash.
Option for Ceramic syringes, optional mounting kit

Please click here for more specifications.

Videos

Cavro Centris Pump

The Cavro Centris Pump offers a new level of accuracy and precision for low volume applications, saving precious reagents. Its robust and reliable design ensure a long life and lower maintenance requirements, while its broad dynamic range enable you to do more with one pump than ever before.

3D model

The Cavro Centris Pump is a premium compact syringe pump module for use in OEM laboratory instruments, setting new standards for accuracy, reliability and precision. It has a broader working volume range from a single syringe size than comparable OEM pumps, enabling you to do more with one pump than ever before. The Cavro Centris Pump achieves excellent accuracy and precision through its elegant drive mechanism and optional long-life ceramic components, unique in a syringe pump of this design.

Brochures

The Cavro Centris Pump is a compact syringe pump module for use in OEM laboratory instruments, setting new standards for accuracy, reliability and precision.

The Cavro Centris Pump is an integral part of Tecan’s leading range of OEM liquid handling pumps.

Tecan Journal Articles

The state-of-the-art Cavro Centris Pump is now available with a range of glass syringes and plastic valves to complement the existing portfolio of long-life ceramic components.

The specific detection of pathogens has a crucial role to play in ensuring control of infectious diseases. Scientists at F Cubed have developed a novel molecular analyzer – the NESDEP IU Molecular Diagnostic System – which relies on Tecan’s Cavro Smart Valve and Cavro Centris Pump to offer straightforward identification of pathogens in a matter of minutes.

Picarro is using Cavro Centris Pumps as part of an innovative atmospheric water vapor isotope analyzer. Designed for fully automated operation in remote locations, these highly sensitive instruments provide environmental scientists with valuable data to help understand the shifting global climate.

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