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HP 1050 MWD

 
HP 1050 MWD
HP 1050 MWD
 

Detection Type

Double beam photometer

Signals

Up to 3 (MWD) or 5 (DAD), each defined by a sample wavelength and bandwidth and an optional reference wavelength and bandwidth.

Signal Combinations

Sum of two signals; difference of two signals; ratio of two signals, with definable range and threshold; window plot with definable ratio, range and threshold.

Noise

< ±2.0 x 10-5 AU peak-to-peak, at 254 nm with 4 nm bandwidth, flowing water at 1 ml/min, 1 second response time (10-90%).

Drift

< 2 x 10-3 AU/hour, at 254 nm, after warm-up

Wavelength Range

190-600 nm, selectable in 1 nm increments

Bandwidth Range

2-400 nm, selectable in 1 nm increments.

Wavelength Accuracy

±1 nm.

Linear Absorbance Range

Better than 1% up to 1.5 AU, using acetone at 265 nm.

Response Time

8 choices, ranging from 0.1 to 20 seconds (10-90%).

Spectra

Storage of at least 8 spectra, with definable wavelength range from 190-600 nm (total number of spectra depends on range defined). Post-run plotting of original or subtracted spectra possible

Spectra Resolution

Depends on slit width.

Absorbance Resolution

< 5 x 10-6 AU

Spectra Acquisition

12.5 ms from 190 to 600 nm; according to the response time settings scans are accumulated for one data point for improved sensitivity.

Light Source

Deuterium lamp.

Flow Cell (Series II)

SST cell, 8 µl volume with 6 mm path length or 13 µl volume with 10 mm path length and 120 bar (1760 psi) maximum pressure. Optional high-pressure cells

(400 bar).

Display

2 line by 16 character fluorescent display with real-time display of operating parameters or absorbance and wavelength of maximum absorbance.

Control

Integrated keyboard with function keys; parameter editing during run possible; keyboard lock. External control via GPIB with ChemStation or RS-232.Integrated keyboard with function keys; limited functionality and control on DAD.

Parameters

Signal definitions (wavelengths/bandwidths),

attenuation, response time, zero offset, balance; spectra definitions; external contacts; analog outputs.

Time-programmable

Parameters

Wavelengths/bandwidths, attenuation, spectra acquisition, external contacts

Methods

Battery-backed storage of up to ten methods (depends on length of method), including initial and time-programmed parameters. Automatic startup and shutdown methods. Editing of stored methods possible during run.

Analog Outputs

Two analog outputs are available (on DAD optional) for output of signals and/or signal combinations; both

1 V/2 AU or 100 mV/2 AU, user selectable.

Communications

START (in- and output), STOP (in- and output), READY (output), SHUTDOWN (output) for synchronization with other LC modules; two external contacts

including: 1 relay with 24 V and 250 mA; 1 contact closure with maximum 30 V and 250 mA.

Safety Aids

Extensive diagnostics, error detection and display via front-panel LED’s and status logbook. User-definable shutdown method activated in case of error. Leak

detection, safe leak handling, leak output signal to shutdown the pump

Environment

Temperature range: 5 to 55 °C

Humidity: < 85% (non-condensing)

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 MWD is in great condition. It has been tested at SpectraLab Scientific.

A 90 day warranty is included.
 
We are seasoned professionals in this area and we would be extremely happy to have you speak with one of our experts here at SpectraLab.
 
Thanks for looking and we look forward to hearing from you!
 
 
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