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Waters 996 HPLC Photo Diode Array Detector Waters 996 HPLC Photodiode Array Detector

Waters 996 HPLC Photodiode Array Detector Specifications

Wavelength Range

190 to 800 nm

Wavelength Accuracy

±1 nm

Linearity Range

5% over -0.1 to 2.0 AU

Spectral Resolution

1.2 nm per photodiode

Baseline Noise

5 x 10 -5 AU peak-to-peak

Drift

1 x 10 -3 AU/hour at 254 nm (after warmup)

Operating Temperature

4 to 40°C (39° to 104°F)

Operating Humidity

20 to 80% non-condensing

Flow Cells

Standard Pathlength: 10 mm

Semi-Preparative Pathlength: 3 mm

Microbore Pathlength: 6 mm

Inert Pathlength: 10 mm

Our Price: $2,035.00
Waters 2487 HPLC Absorbance UV-Vis Detector Waters 2487 HPLC Absorbance UV-Vis Detector

Waters 2487 HPLC Absorbance UV-Vis Detector Specifications

Wavelength Range

190 to 700 nm

Bandwidth

5 nm

Wavelength Accuracy

± 1 nm

Wavelength Repeatability

± .10 nm

Noise, single wavelength

< ± 0.35 x 10-5 AU, dry cell, 254 nm, 1.0 sec. time constant (TC)

Noise, dual wavelength

< ± 2.5 x 10-5 AU, dry cell, 254 nm / 280 nm, 2.0 sec. time constant (TC)

Linearity

5% at 2.5 AU, dry cell, 254 nm / 280 nm, 2.0 sec. time constant (TC)

Drift

1.0 x 10^4 AU/Hour/degrees Celcius at 254 nm (after 1 hour warmup)

Sensitivity setting range

0.0001 to 4.0000 AUFS

Our Price: $2,445.00
Waters 2996 HPLC PhotoDiode Array Detector Waters 2996 HPLC PhotoDiode Array Detector

Waters 2996 Photo Diode Array Detector Specifications

Wavelength Range

190 to 800 nm

Wavelength Accuracy

±1 nm

Linearity Range

5% at 2.0 AU, propylparaben, at 256 nm

Spectral Resolution

1.2 nm

Baseline Noise

±1.5 x 10^-5 AU peak-to-peak, dry, at 254 nm

Drift

1 x 10^-3 AU/hour at 254 nm (after warmup)

∆T ≤ 1°C per hour

Dimensions (W x D x H)

11.5 x 24 x 8.5 in (29 x 61 x 22 cm)

Electrical Requirements

Low trigger < 1.8 V

High trigger > 3.0 V

Protected to ±30 V

Minimum pulse width 20 msec

Maximum current 5 mA

Our Price: $3,975.00
Waters 2695 HPLC System w/ 2487 UV  Detector Waters 2695 HPLC System w/ UV Detector

Waters 2695 HPLC System Specifications

Number of solvents

One to four

Solvent conditioning

Vacuum degas, two (2) operating modes, four (4) chambers, ≈<500 uL internal volume per chamber> <500uL interval volume per chamber

Programmable flow rate range

0.000 and 0.010 to 10.000 mL/min in 0.001-mL/min. increments

Typical operating flow rate range

0.050 to 5.000 mL/min in 0.001-mL/min increments

Compressibility compensation

Automatic and continuous

Effective system delay volume

<650 µL, independent of backpressure @ 1 mL/min

Plunger seal wash

Integra, active, programmable

Gradient profiles

Eleven (11) gradient curves [including linear, step (2 curves), concave (4 curves), and convex (4 curves)]

Dry prime/wet prime

Automatic, front panel control

Flow ramping

Time (0.01 to 30.00 min in 0.01-min increments) to reach maximum flow rate

Maximum operating pressure

5000 psi (345 bar) (0.010 to 3.000 mL/min) Programmable upper and lower limits. Pressure fall-off at >3.000 mL/min.

Pressure ripple

≤2.5% (1 mL/min, degassed methanol, at 1700 psi backpressure)

Composition accuracy

±0.5% absolute, independent of backpressure (Proportioning Valve Pair Test [degassed methanol:methanol/propylparaben, 2 mL/min, 254 nm])

Composition precision

≤0.15% RSD or ≤0.02 min SD, whichever is greater, based on retention time. (Degassed methanol:water 60:40 Dial-a-Mix, 1 mL/min, six replicates, phenone mix, 254 nm.)

Flow precision

≤0.075% RSD or ≤0.02 min SD, based on retention time (N = 6) or volumetric measures (0.200 to 5.000 mL/min), isocratic premix

Flow accuracy

±1% or 10 µL/min, whichever is greater, (0.200 to 5.000 mL/ min), degassed methanol, at 600 psi backpressure

Our Price: $16,315.00
Waters 2795 HPLC System w/ 2487 UV Detector Waters 2795 HPLC System w/ UV Detector or PDA

Waters 2795 HPLC System Specifications

Number of solvents

One to four

Solvent conditioning

Vacuum degas, two (2) operating modes, four (4) chambers, ≈<500 uL internal volume per chamber> <500uL interval volume per chamber

Programmable flow rate range

0.000 and 0.010 to 10.000 mL/min in 0.001-mL/min. increments

Typical operating flow rate range

0.050 to 5.000 mL/min in 0.001-mL/min increments

Compressibility compensation

Automatic and continuous

Effective system delay volume

<650 µL, independent of backpressure @ 1 mL/min

Plunger seal wash

Integra, active, programmable

Gradient profiles

Eleven (11) gradient curves [including linear, step (2 curves), concave (4 curves), and convex (4 curves)]

Dry prime/wet prime

Automatic, front panel control

Flow ramping

Time (0.01 to 30.00 min in 0.01-min increments) to reach maximum flow rate

Maximum operating pressure

5000 psi (345 bar) (0.010 to 3.000 mL/min) Programmable upper and lower limits. Pressure fall-off at >3.000 mL/min.

Pressure ripple

≤2.5% (1 mL/min, degassed methanol, at 1700 psi backpressure)

Composition accuracy

±0.5% absolute, independent of backpressure (Proportioning Valve Pair Test [degassed methanol:methanol/propylparaben, 2 mL/min, 254 nm])

Composition precision

≤0.15% RSD or ≤0.02 min SD, whichever is greater, based on retention time. (Degassed methanol:water 60:40 Dial-a-Mix, 1 mL/min, six replicates, phenone mix, 254 nm.)

Flow precision

≤0.075% RSD or ≤0.02 min SD, based on retention time (N = 6) or volumetric measures (0.200 to 5.000 mL/min), isocratic premix

Flow accuracy

±1% or 10 µL/min, whichever is greater, (0.200 to 5.000 mL/ min), degassed methanol, at 600 psi backpressure

Our Price: $15,670.00
Waters 600 HPLC System Waters 600 HPLC System

Waters 600 HPLC System Specifications

Number of eluents

One to four

Modes of operation

Gradient, isocratic, and flow programming

Operating flow range

0.00 to 45 mL/min (225 µL heads), in 0.01-mL increments.

0.00 to 20 mL/min (100 µL heads), in 0.01-mL increments

Composition range

0 to 100% programmable in 1% increments for each of four reservoirs: A, B, C and D. Total composition must sum to 100%

Compositional accuracy

Better than 1.0%, independent of pressure.

Automatic eluent sparging

Standard, helium gas, input gas pressure range 50 to 150 psi (3.5 to 10.5 kg/cm2 ). Helium flow rate range 0 to 100 mL/min, programmable in 1 mL/min increments

Pressure maxima

6000 psi (420 kg/cm2 ) at 10 mL/min. 1000 psi (70 kg/cm2 ) at 45 mL/min.

Programmable pressure limits

Lower: 0 to 5950 psi (0 to 416.5 kg/cm2 ) Upper: 51 to 6000 psi (3.6 to 420 kg/cm2 )

Our Price: $12,115.00
Waters In-Line Degasser AF Waters In-Line Degasser AF

Waters In-Line Degasser AF Specifications

Chemical Resistance

Unaffected by full range of organic solvents and aqueous solutions of acids, bases, salts, and surfactants

pH Range

0 to 14

Gas Removal

Varies with flow rate

Typical Operating Flow Range

200µl/min to 5ml/min

Equilibration time

<1 hour

Pressure Drop

<0.08 psi (0.55 kPa) at 1 mL/min., Milli-Q®

water, STP

Wetted Surfaces

PPSa, Teflon AFb, Tefzelc

Inputs

Enable, Disable (External control)

Outputs

dc voltage (Relative vacuum)

Eluent Connections

1/4-28 reversed ferrule fittings;

4 inlet and 4 outlet fittings

Vacuum Chambers

One chamber/eluent, two channels standard, third or fourth channel optional;

<0.5 mL internal volume/channel

Tubular Membrane

1/vacuum chamber, Teflon AF

Vapor Exhaust

1/8-inch (3 mm) barbed fitting

Vacuum Source

Built-in 2-head diaphragm pump, solvent resistant

Vacuum Sensor

Detects vacuum from 0 to 15.6 psiA

Maximum Pressure on Inlet and Outlets

10 psi (70 kPa)

Dimensions

Width: 5.25 inches (13.33 cm)

Height: 5.75 inches (14.60 cm)

Depth: 12.0 inches (30.48 cm)

Power

115 Vac (85 to 132 V), 50/60 Hz

230 Vac (187 to 264 V), 50/60 Hz

Autosensing

Weight

7.5 lbs (3.4 kg)

Ambient Temperature

4 to 40 °C (39 to 104 °F)

Relative Humidity

10 to 90%, noncondensing

Our Price: $710.00