Biotech SPR-200 Solvent Recycler

Biotech SPR-200 Solvent Recycler – Efficient and Standalone Solvent Management

The Biotech SPR-200 Solvent Recycler is a fully stand-alone device designed for efficient mobile phase recycling in isocratic HPLC systems. Equipped with an integrated display and intuitive control keys, it allows for easy configuration and real-time monitoring of operational parameters.

This versatile unit is primarily powered by 5V DC, but it can also be powered and programmed via USB, enabling seamless integration with a computer running a terminal software application for enhanced control.

The SPR-200 Solvent Recycler significantly reduces mobile phase consumption—by up to 90%—by redirecting uncontaminated solvent back into the system. Its four-digit LCD display clearly presents input signal levels and settings, while LED indicators provide real-time updates on valve positions and display modes. Operation is simple and efficient, thanks to the six-key membrane keyboard for precise control.

For enhanced user convenience, the device can also be monitored and controlled via PC using any terminal application, allowing for comfortable remote tracking of real-time activity and quick adjustments to operational parameters.

With its high efficiency, ease of use, and adaptability, the SPR-200 Solvent Recycler is an essential tool for solvent-saving and cost-efficient laboratory operations.

BIOTECH FLUIDICS

SPR-200 Solvent Recycler – Advanced Input and Connectivity Features

The SPR-200 Solvent Recycler is designed for precise signal processing and seamless integration with laboratory systems. Its analog input accepts both unipolar and bipolar signals with selectable ranges of ±1V or ±100mV, ensuring flexibility in various analytical applications. An analog-to-digital converter processes incoming data and transmits it to the embedded microcontroller for further optimization.

For enhanced functionality, the TTL (contact closure) input supports an auto-zero function, allowing users to maintain accurate and stable operation with minimal manual intervention.

Rear Panel & Connectivity

The rear panel of the SPR-200 Solvent Recycler is designed for user-friendly access and connectivity. It includes a detachable switching valve, securely mounted in a holder, along with a clearly labeled connectors subpanel featuring the following inputs and outputs:

Analog Input (Yellow) – Supports unipolar and bipolar signal input for precise data acquisition.
TTL Zero Input (White) – Enables the auto-zero function for improved accuracy.
Valve Connector (Blue) – Connects the switching valve for solvent redirection.
Micro-B USB Connector (Black) – Provides power and allows for USB programming via a terminal software application.
Power Switch (Green) – Controls power operation for easy device management.

With these advanced input options and flexible connectivity features, the SPR-200 Solvent Recycler ensures optimized solvent management, precise data acquisition, and seamless integration into modern laboratory setups.

Recycling efficiency	Up to 90%
System compatibility	Any HPLC detector with analog output
Analog input range	± 1V, ± 100 mV
A/D converter resolution	22 bit
Calibration of analog input	Possible, two independent calibrations each range separately
User interface	6 button membrane keypad, 8 character LCD display
Computer connection	USB
Valve body material	PEEK or PTFE
Maximum pressure	0.21 MPa/30 p.s.i.

Recycling efficiency

Up to 90%

System compatibility

Any HPLC detector with analog output

Analog input range

± 1V, ± 100 mV

A/D converter resolution

22 bit

Calibration of analog input

Possible, two independent calibrations each range separately

User interface

6 button membrane keypad, 8 character LCD display

Computer connection

USB

Valve body material

PEEK or PTFE

Maximum pressure

0.21 MPa/30 p.s.i.