Features of 940-LC Analytical to Prep HPLC

General Specifications

Additional Specifications

High pressure gradient solvent delivery system  
Type: 2 x reciprocating single piston, rapid refill design  
Maximum pressure: With Extended Pressure Option  
32 MPa (4600 psi, 320 bar) from 0.025 to 25 mL/min  
14 MPa (2000 psi, 140 bar) to 50 mL/min  
8 MPa (1200 psi, 80 bar) to 100 mL/min  
41 MPa (6000 psi, 410 bar) from 0.025 to 25 mL/min  
31.5 MPa (4000 psi, 315 bar) to 100 mL/min  
24.4 MPa (3500 psi, 244 bar) to 200 mL/min  
Number of solvents: Maximum of 4  
Flow rate range:   
0.05 to 50 mL/min with 50 mL heads  
0.1 to 100 mL/min with 100 mL heads  
Flow accuracy: 1% of selected flow or 0.05% of maximum flow, whichever is larger  
Flow reproducibility: 1% of selected flow or 0.05% of maximum flow, whichever is larger  
  
Autosampler  
Maximum number of samples:   
128 x 4.5 mL HPLC vials  
200 x 2 mL HPLC vials  
3 x 96-well wellplates  
Autosampler syringe volume: 5 mL  
Injection volume range: 0.005 to 4.5 mL  
Injection repeatibility: 0.5% RSD (using a 500 ΜL injection by a 5 mL syringe)  
Carryover: <0.01%  
  
Temperature-controlled autosampler (optional): Settable temperature range 4 to 35 °C (in increments of 1 °C)  
Cooling system: Peltier effect-based thermoelectronic cooling type  
  
UV detector  
Light source: Deuterium  
Wavelength range: 190 to 700 nm (standard); 190 to 900 nm (optional)  
Spectral bandpass: 6 nm  
Wavelength accuracy: ±1 nm at 260 nm  
Wavelength precision: ±0.1 nm  
Noise: ±5x10-6 AU  
Drift: <1x10-3 AU/h  
Data acquisition rate: 20 Hz single wavelength mode  
Maximum pressure rating: Flow cell rated to 7 MPa (1000 psi, 70 bar)  
Flow cells:   
4 x 0.15 mm dual pathlength super prep (standard for preparative system)  
4 x 0.25 mm dual pathlength scale-up (standard for semi-preparative system)  
9 x 1 mm semi-preparative dual pathlength  
  
Diode dual array detector  
Light source: Deuterium for UV and quartz halogen for visible  
Wavelength range: 190 to 950 nm  
Wavelength accuracy: ±1 nm verified with 486 nm D2 line  
Spectral resolution: <1 nm per diode  
Digital resolution: 1 nm  
Noise: ±10x10-6 AU  
Drift: <1x10-3 AU/h  
Data acquisition rate: 10 Hz  
Maximum pressure rating: Flow cell rated to 7 MPa (1000 psi, 70 bar)  
Flow cells:  
4 x 0.15 mm dual pathlength super prep (standard for preparative system)  
4 x 0.25 mm dual pathlength scale-up (standard for semi-preparative system)  
9 x 1 mm semi-preparative dual pathlength  
  
ELS detector (external, optional)   
Detector Blue LED 480 nm. Class 1 LED product.  
Temperature range:   
Evaporator: Ambient to 120 °C (10 to 80 °C, cooled ELS detector)  
Nebulizer: Ambient to 90 °C  
Nebulizer gas:  
Typical inlet pressure: 414 to 689 kPa (60 to 100 psi, 4 to 7 bar)  
Maximum inlet pressure: 689 kPa (100 psi, 7 bar)  
Gas flow rate: Up to 3.25 SLM  
Eluent flow rate: Up to 5 mL/min  
Digital output: 24 bit (10 Hz)  
Communications:   
Serial I/O (RS232), contact closure, TTL  
Power requirements: 90/120 V AC or 220/250 V AC, 50/60 Hz, VA 1200  
Dimensions:(W x D x H) 200 x 450 x 415 mm  
Weight: 11 kg (13 kg, cooled ELS detector)  
  
Scale-Up Module  
High-pressure valves:  
Port size: Accepts 10-32 male-threaded fittings  
Flow passage diameters: Stator 0.3 mm and 0.25 mm for vertical port  
Rotor seal: 0.25 mm  
Port-to-port volume: 445 nL and 586 nL with vertical port  
Maximum pressure: 41 MPa (6000 psi, 410 bar)  
Actuation time: 100 ms  
Low-pressure valves:  
Orifice diameter: 0.81 mm  
Internal volume: 45 ΜL  
Ports: 1/4-28 flat bottom  
Operating pressure: Vacuum - 70 kPa (10 psi, 0.7 bar) (normally open/normally closed)  
Vacuum - 172 kPa (25 psi, 1.7 bar) (common)  
Wetted parts: Perfluoroelastomer and PEEK™  
  
Fraction collector  
Maximum sample racks: 3  
Typical number of containers: 180  
Maximum tube height: 150 mm  
Rack options:   
Type 21 - 21 x 30 mm OD containers  
Type 24 - 24 x 25 mm OD containers  
Type 40 - 40 x 20 mm OD containers  
Type 60 - 60 x 16 mm OD containers  
Type 90 - 90 x 13 mm OD containers  
Type 128 - 128 x 15 mm OD containers  
Type 200 - 200 x 12 mm OD containers  
Dimensions: (W x D x H) 400 x 600 x 480 mm  
Weight: 18 kg  
Divert valve:   
Orifice diameter: 0.81 mm  
Internal volume: 45 ΜL  
Ports: 1/4-28 flat bottom  
Operating pressure: Vacuum - 70 kPa (10 psi, 0.7 bar) (normally open/normally closed)  
Vacuum - 172 kPa (25 psi, 1.7 bar) (common)  
Wetted parts: Perfluoroelastomer and PEEK  
  
Manual injector (optional)  
Port size: Accepts 10-32 male-threaded fittings  
Flow passage diameters: Stator 0.3 mm and 0.25 mm for vertical port  
Rotor seal: 0.25 mm  
Port-to-port volume 445 nL and 586 nL with vertical port  
Maximum pressure 41 MPa (6000 psi, 410 bar)  
Actuation time 100 ms