GX-271 OEM Liquid Handler Specifications

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Liquid Handling

External pump connected via calibrated transfer tubing. Syringe, peristaltic or continous, reversible flow solvent station available.

Syringe driven option: 100 µL to 25 mL glass syringe (separate specifications available)

Accuracy: 98% (50 µL - 25 mL), Flow Rate: 1 µL - 50 mL/min
Accuracy: 98% (10 µL - 5 mL), Flow Rate: 1 µL - 5 mL/min

Working XYZ Zone

389 mm (15.31 in) X dimension
294 mm (11.57 in) Y dimension
200 mm (7.87 in) Z dimension

Up to five Gilson Code 20 or 33X/34X Series Racks or up to three Gilson Code 200 or 300 Series Racks


Reproducibility: < 1% CV (total loop)
Carryover: < 0.005%

Sampler Type

Mobile X/Y/Z probe with stationary rack design

Probe Positioning Performance

Accuracy: ± 0.75 mm (0.030 in) in X/Y/Z dimensions
Repeatability: ± 0.20 mm (0.008 in) in X/Y/Z dimensions

Arm Speed

350 mm/sec in X dimension
350 mm/sec in Y dimension
125 mm/sec in Z dimension

Vertical Punch Strength

44 Newtons (10 lbf) maximum at 125 mm/sec (5 in/sec)
53 Newtons (12 lbf) maximum at 80 mm/sec (3 in/sec)

Horizontal Motion Strength

X: 2.0 kg (4.5 lb)
Y: 2.0 kg (4.5 lb)

Probe Rinse

Probe rinsing and flowing probe rinsing occurs through a dedicated rinse station using up to two flowing outside rinse solvents when integrated with a GX rinse pump

Rack Capacity

Up to five Code 20 or 33X/34X Series Racks or up to three Code 200 or 300 Series Racks
Note: If a GX Direct Injection Module is installed on the locator plate of the liquid handler, only two Code 200 or 300 Series Racks can be accommodated. The rack position in front of the GX Direct Injection Module must remain available.

Front Panel

Two 7-segment blue LED displays and LED indicator lights for power and error messages

Contact Control

Two inputs (contact closure control & TTL), two relay outputs, two switched +24V DC 1A outputs and one safety input control
Note: Do not use voltages higher than 30V despite contacts rated for higher voltage

Software Control

Computer control via Ethernet communication and TRILUTION® Software

Communications Control Interface

External control via RS-232, RS-485, or TCP/IP Ethernet


Two Inputs (contact closure control & TTL), two relay outputs, two switched +24V DC 1A outputs, two accessory ports (RS-485 and 24V) and one safety input control for emergency stop. 3-way fraction valve control on Z-drive.

Environmental Conditions

For indoor use only
Altitude: 2000 m
Temperature: 5ºC - 40ºC
Air pressure: 75 - 105 kPa
Pollution degree: 1 or 2, in accordance with IEC 66
Humidity: Maximum relative humidity 80% for temperatures up to 31º C, decreasing linearly to 50% relative humidity at 40ºC

Manufacturing Standards

Meets applicable safety and EMC certification standards; UL and CE certified
Complies with EN61326, EN61000, EN61010


5 x 20 mm “T” type 2.50A (2 required)
One for 100 - 120V; two for 220 - 240V

Power Requirement

Frequency: 50 - 60 Hz
Voltage: 100 - 240V (universal input)
Current rating: 2.0A for 100 - 120V or 1.0A for 220 - 240V
Power consumption: 250W maximum

Dimensions (w x d x h)

59.7 x 54.1 x 57.1 cm (23.5 x 21.3 x 22.5 in)


22 kg (48 lb)


Generic (no name) or branded per OEM customer specifications

Test tube