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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