• Dual Rate Syringe Infusion Pump

Dual Rate Syringe Infusion Pump

Infusion / Withdrawal

  • Two separate syringe pumps in one instrument
  • Large touch screen display allows quick and easy setup
  • High or low pressure operation


KD Scientific offers the Gemini 88 Plus Dual Rate Syringe Pump. This unique pump is really two pumps in one by providing two independent pumping channels linked through hardware and software.

This dual rate syringe pump can infuse simultaneously at different rates, or infuse with one syringe and withdraw with the other. When combined with a valve box, it provides the continuous delivery of a peristaltic or piston pump with the accuracy, absence of pulsation and low flow rates of a syringe pump. This functionality allows continuous infusion or withdrawal, 24 hours a day, 365 days a year with the accuracy and low flow of every KD Scientific syringe pump.

  • Two separate syringe pumps in one instrument
  • Large touch screen display allows quick and easy setup
  • High or low pressure operation
  • Compatible with a wide variety of syringes
  • Continuous fluid delivery
  • TTL, USB & RS-232 Communication


Features, Benefits & Applications

The Gemini 88 Plus Dual Rate Syringe Pump opens up whole new pumping possibilities.

Three operating conditions named Independent, Reciprocating and Twin are available as standard features to satisfy various applications in life science and industrial settings.

  • Continuous injection for long-term toxicology testing
  • The injection of dyes, perfumes and flavoring in industrial applications
  • Applications with liquids or viscous materials in micro-manufacturing
  • Continuous injections of reactants into reactor vessels
  • Simultaneous samplings from two sites

Various applications can benefit from the three operating conditions. All three conditions come with the Gemini 88 Plus. No additional upgrades are required.

KD Scientific syringe pumps are for laboratory use only.

Type Microprocessor dual rate infuse/withdraw/continuous syringe pump
Accuracy ±0.25%
Reproducibility ±0.05%
Type Glass, plastic and stainless steel
Size Minimum 0.5 µl (0.103 mm minimum inner diameter)
Size Maximum 60 ml (32.573 mm maximum inner diameter)*
Flow Rate:
Minimum 1.02 pl/min (0.5 µl syringe, 0.103 mm inner diameter)
Maximum 106 ml/min (60 ml syringe, 32.573 mm diameter)
Display 7" color display with touchscreen
USB Type B
RS-232 9-pin D-Sub connector
RS-485 IEEE-1394, 6 pos for pump-pump communication
TTL Input/Output Two 15-pin D-sub connectors, one for reach pump mechanism
Footswitch Two phonojack inputs, one for each pump mechanism
Average Linear Force 70 lb (31.75 kg) at 100% force setting up to a flow rate of 90 ml/min using up to a 60 ml syringe with a 32.573 mm inner diameter. 50 lb (22.6 kg) at 100% Force Setting for flow rates 90 ml/min to 106 ml/min using the same size syringe.
Power Supply Input 100-240 VAC, 50-60 Hz, Output 30 V 1.66A 50 Watt
Weight 21 lb (9.09 kg)
Dimensions (L x D x H) 11” x 15” x 8” (28 cm x 39 cm x 21 cm)
Classification Class I
Pollution Degree 1
Installation Category II
Regulatory Certifications CE, ETL (UL & CSA), CB Scheme, EU RoHS, WEEE
*NOTE: Some larger syringes may be compatible with the Gemini 88 Plus. Please contact Technical Support for more information.