Manufacturing Standards

Meets applicable safety and EMC certification standards; UL and CE certified

Analog Input

One analog signal (10 or 100 mV); convertible as fifth contact input

Arm Speed

X/Y: 25 cm/sec (9.8 in./sec)
Z upward: 12.5 cm/sec (4.9 in./sec)
Z downward: 9 cm/sec (3.5 in./sec)

Available Sample Loop

20 µL

Available Valves

Rheodyne 7010
Rheodyne 7413

Communication Interface

RS-232 or GSIOC; Four inputs, four outputs, three relay outputs and two 12V power supplies

Cross Contamination †

<0.0001% with liquid level detection and recommended needle rinsing parameters; <0.005% without liquid level detection

Environmental Conditions

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

Injection Volume

From 2 µL to 5 mL with partial loop filling of 7010 valve; from 0.5 to 2 µL with 7413 valve

Liquid Contact Materials

316L stainless steel or titanium, FEP, PTFE, PEEK, PP, PI

Maximum Number of Sample Vessels

231 XL: 120 (6 x 32 mm or 7 x 40 mm) tubes or 2 microplates
232 XL/233 XL: 540 (7 x 40 mm or 10 x 75 mm) tubes or 9 microplates

Minimum Sample Volume

10 µL, for four 1 µL injections, with peak area variations of less than 0.8%

Power Requirements

Frequency: 50–60 Hz
Voltage: 100–120 or 220–240V, mains voltage fluctuations not to exceed ±10% of the nominal voltage

Precision †

Total loop fill: RSD=0.5%
Partial loop fill: RSD=0.8%

Replicate Injections

Up to 100 from one vial

Sample Loading Method

Direct introduction into a loop filler port allowing partial and total loop filling at selected flow rate

Software

Via GIlson UniPoint™ System Software or 735 Sampler Software

Syringe Capacity (402 Syringe Pump)

100, 250 or 500 µL; 1, 5, 10 or 25 mL

Transfer Flow Rate

Selectable from 3 to 1600 µL/sec (0.2–96 mL/min)

Dimensions (w x d x h)

231 XL: 33 x 46.5 x 23 cm (13 x 18.3 x 14.5 in.)
232 XL/233 XL: 51.5 x 62 x 23 cm (20.3 x 24.4 x 14.5 in.)

Weight

231 XL: 13 kg (29.3 lbs.)
232 XL/233 XL: 17 kg (38.3 lbs.)