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Description

The DXi-80 is our multi-channel syringe pump for liquid handling applications in the 10μl to 5 ml range. The unit is available in an 8-channel configuration and is ideal for multi-probe liquid handling tasks such as sample transfer, dilutions, mixing, reagent addition and plate reformatting.

The design of the pumps offers a compact solution for parallel liquid handling applications, minimizing logistical restrictions. Customers choosing this instrument will benefit from long life, low maintenance robustness and reliability, ultimately, leading to greater satisfaction.

The DXi-80 multi-channel Syringe Pump is available with 100μl, 250μl, 500μl, 1.0 ml, 2.5 ml and 5.0 ml syringe volumes and features simultaneous multichannel operation.

This Pump uses a PTFE coated leadscrew, with anti-backlash nut, driven by a stepper motor. The travel length of the plunger is 60 mm and the drive incorporate a quadrature encoder for step loss detection.

This unit features a bidirectional communication interface (RS232, RS485, or CAN) and communication protocol. Multimodule communication is possible through either RS485 or CAN interfaces, addressing up to 15 modules through a single communication bus. The pump also provides two digital inputs and three outputs for TTL level signals that can be used for synchronisation with external devices.

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    Specification

    Technical Specification

    Plunger drive

    Principle

     

     

    Stepper motor-driven lead screw with quadrature encoder for step loss detection and home flag

     

    Travel

    60 mm

    Plunger speed

    5 – 6,000 pulses per second

    Resolution

    6,000 steps in standard mode and 48,000 steps in fine-positioning and microstep mode

    Syringes

    Sizes

    100μl, 250μl, 500μl, 1.0 ml, 2.5 ml and 5.0 ml

    Barrel material

    Borosilicate glass

    Plunger rod material

    Stainless steel

    Seal material

    Virgin PTFE

    Precision

    ≤ 0.05 % CV average at full stroke (250 μl syringe and above) ≤ 0.1 % CV average at full stroke (50 μl and 100 μl syringes)

    Accuracy

    < 1 % at full stroke

    Valves

    Switch time

    ≤ 250 ms

    Drive

    Independently operated solenoid valves

    Diaphragm material

    FFKM

    Body material

    PEEK™

    Fittings

    ¼ – 28” or M6 tubing fittings

    Valve options

    3-way, 3-way with bypass option

     

     

    Power requirements

    Voltage

    24 V DC ± 10 %

    Current

    2.0 A (peak) for standard configurations 2.5 A (peak) for bypass configurations

    Interface

    Type

    RS-232, RS-485 or CAN

    Baud rate

    9,600 or 38,400 (RS-232 and RS-485) 100K, 125K, 250K, 500K and 1M (CAN)

    Format

    Data bits: 8

     

    Parity: None

     

    Stop bit: 1

     

    Half duplex

    Communications

    Addressing

    Up to 15 individual addresses available

    Communications

    Data terminal and OEM protocol (with error recognition)

    Programmable ramps 

    Terminate moves

    Programmable plunger speeds

    Diagnostics

    Firmware

    Programmable backlash compensation 

    Absolute or relative positions

    Change speed on the fly 

    Programmable non-volatile memory

    Inputs

    Two TTL level inputs with 4.7k pull-ups

     

    Outputs

    Three outputs, CMOS (HC) level

     

    Environmental

    Operating temperature (mechanism)

    15 – 40 ºC (59 – 104 ºF)

    Operating humidity (mechanism)

    20-80 % RH at 40 ºC (104 ºF)

    Storage temperature

    20 – 65 ºC (-4 – 149 ºF)

    Dimensions

    Length

    19.5cm

    Depth

    18.0cm

    Height

    28cm

    Weight

    6Kg

     

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