|
Detection Type |
Double beam photometer |
|
Noise |
< 1.5 x 10-5 AU peak-to-peak at 254 nm, flowing water at 1 ml/min, 1 second response time (10-90%), standard flow cell |
|
Drift |
< 5 x 10-4 AU/hour at 254 nm after warm-up. |
|
Wavelength Range |
190 – 600 nm, settable in 1 nm increments |
|
Wavelength Accuracy |
±2 nm |
|
Wavelength Reproducibility |
±0.3 nm |
|
Bandwidth |
6.5 nm |
|
Linear Absorbance Range |
Better than 1% up to 1.2 AU using acetone at 265 nm |
|
Response Time |
0.25, 1 or 4 seconds (10-90%); user-selectable |
|
Spectra |
Storage of 1 spectrum during run; scan rate 10 nm/sec; range from 190 to 600 nm, selectable. Post-run plotting speed from 1 to 50 nm/sec selectable; plotting of background-corrected spectrum |
|
Light Source |
Deuterium lamp from 1090/40/50 DAD |
|
Flow Cells |
Standard 14 µl volume, 8 mm pathlength cell with 40 bar (588 psi) pressure maximum. Optional micro, preparative, high-pressure cells are available |
|
Display |
Single line, 16 character fluorescent display with real time display of operating parameters and/or absorbance |
|
Control |
Integrated keyboard with function keys; parameter editing during run possible; keyboard lock; optional control by computer or 3396 Series II integrator |
|
Parameters |
Wavelength, output range, response time, zero, offset, balance, spectrum acquisition |
|
Diagnostic Aids |
Wavelength calibration check with Holmium oxide filter |
|
Time-programs |
Time-programmable wavelength and output range; storage of up to 5 time-programs |
|
Analog Output |
One output user-configurable as recorder or integrator. For recorder: 100 mV or 1 V output range from 0.001 to 4 AU, user-selectable; for integrator: 100 mV/2 AU full scale or 1 V/2 AU full scale, user-selectable |
|
Communications |
START (input/output), STOP (input/output), READY (output), SHUTDOWN (output) for synchronization with other LC modules |
|
Safety Aids |
Extensive diagnostics, error detection and display via front-panel LED’s. Leak detection, safe leak handling, leak output signal for shutdown pumping system. Low voltages in major maintenance areas |
|
Environment |
Temperature range: 5 to 55°C |
|
Power Requirements |
Line voltage: 100-120 or 220-240 VAC ±10% Line frequency: 48-66 Hz Power consumption: 150 VA max |
This refurbished HP 1050 Variable Wavelength Detector (VWD) is in great condition. It has been tested at SpectraLab Scientific.
A 90 day warranty is included.
We are professionals. We encourage you to contact us to speak with one of our expert and professional team. Thanks for looking and we look forward to hearing from you!
