Gilson - 231
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Built for unattended operation, the 231 XL and 232 XL automate virtually any sample preparation and injection procedure.
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Features of 231
- Precise 402 Syringe Pump assures accuracy of injection volumes
- 402 Syringe Pump delivers volumes from 1 mL to 99 mL, allows selection of flow rates to compensate for different sample viscosities
- Task-oriented software for fast and easy building of injection protocols
- Can be configured for use in a sample prep GPC or GPC/SPE system
General Specifications
| Cross Contamination | 0.0001 % with liquid level detection and recommended needle rinsing parameters; <0.005% without liquid level detection |
| Depth | 18.3 in |
| Height | 14.5 in |
| Width | 13 in |
| Power Requirements | 100–120 V, 60 Hz / 200–240 V, 50 Hz |
| Weight | 13 kg |
Additional Specifications
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
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%
Sample Loading Method Direct introduction into a loop filler port allowing partial and total loop filling at selected flow rate
Software Via Gilson Trilution™ LC 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.)
† Contact Gilson Customer Service to learn what methods and conditions were used to obtain the values.