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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: $2,395.00
Deal of the Month Price: $1,995.00
Money Saved: $400.00
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: $2,695.00
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: $4,295.00
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: $15,995.00
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: $14,995.00
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: $525.00