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General| Monochromator Type | Czerny-Turner |
|---|---|
| Wavelength Range | 200 - 800 nm |
| Grating Grooves | 1200 grooves/mm |
| Detector | PMT (Photomultiplier Tube) |
| Entrance Slit Width | 10 - 2000 μm |
| Exit Slit Width | 10 - 2000 μm |
Details on automated moving parts, control options, and remote operation capabilities.
Describes the high-speed sine drive for grating movement and its benefits for data acquisition.
Explains the Czerny-Turner configuration and its optical correction for imaging performance.
Discusses the optional 220TK grating turret and its automated grating interchange capabilities.
Procedure for checking the instrument for visible damage upon delivery.
Instructions for installing leveling legs and familiarizing with instrument components.
Guidance on carefully removing shipping restraints from optical components.
Recommendations for operating the spectrometer in a controlled atmosphere and temperature.
Details on connecting the instrument to an AC power source.
Information on cable connections for controlling the 270M based on interface type.
Instructions for connecting shutters (225MCD or 226MCD) to the detector control.
Guide to installing and using the GMI software for system control.
Details on the low-level driver for controlling the spectrometer via custom programs.
Information on using the HandScan controller for system operation.
Setup procedures for optional interfaces and the DataScan controller.
Instructions for controlling the 270M with the DM3000 Spectroscopy Computer.
Guide to setting up and using the AutoScan software.
Instructions for controlling the 270M with a QuikScan PDA system.
Information on the PDALOAD.EXE driver for use with QuikView software.
Details on interfacing directly using TTL logic with the standard I/O.
Explains the basic operational states and signal transitions for controller interaction.
Defines the SELECT, DIRECTION, STEP, INDEX, and SENSE signals.
Procedure for installing the spectrograph exit port for array detectors.
Installation guide for the external mount shutter at the entrance slit.
Instructions for installing the internal mount shutter for exposure control.
Maintenance advice for mirrors and gratings, including cleaning procedures.
Instructions for installing and removing the standard 220G single grating mounts.
Guidance on using and potentially removing the 270TK interchangeable grating turret.
Description of motorized adjustable slits and their control.
Details on the 270MCA adapter for mounting array detectors.
List of necessary equipment for performing initial checks and calibration.
Procedures for verifying system functionality and calibration using test lines.
Factors to consider when selecting gratings for specific applications and performance.
Tips for optimizing light coupling into the entrance slit for maximum throughput.
Analysis of exit slit width's effect on bandpass and throughput.
Procedure for setting up array detectors and achieving optimal focus and alignment.
Using the 270M to provide a specific bandpass and tune wavelength.
Measuring spectral output by sequentially presenting wavelengths to a detector.
Simultaneously detecting spectral signals over a range of wavelengths.
Detecting multiple spectra from light imaged at various heights in the entrance slit.
List of equipment needed for alignment procedures.
Procedures for adjusting gratings, including wavelength centering and vertical alignment.
Steps to center the wavelength line using adjustment screws on the grating mount.
Procedure to ensure the image is vertically centered at the exit slit.
Method to correct tilted diffraction planes by rocking the grating.
Common issues and solutions for spectrometer problems like no response or partial response.
Requirements and procedures for returning instruments or components for service.
Instructions for safely removing gratings and circuit boards for return.
Guide to installing the SPEX.SYS driver in the DOS CONFIG.SYS file.
Details the ASCII command structure for controlling the spectrometer.
Explains relative and absolute step move functions for device positioning.
Procedure for calibrating device positions within the driver's internal table.
Function to retrieve the current step position of a requested device.
Determines the number of system states controlled by the device driver.
Method for retrieving information stored in the driver's internal buffer.
Table specifying hardware numbers, devices, frequencies, and regulation.
Describes initial device states and movements upon system power-up.
Methods for communicating with the driver via C, GWBasic, text files, and DOS command line.
Using DOS COPY command to send commands from a text file to the driver.
Sending commands directly from the keyboard via the DOS command line.
Example BASIC program demonstrating control of the 270M via SPEX.SYS.
Example Pascal program illustrating control of the 270M via SPEX.SYS.
Example C program showing control of the 270M via SPEX.SYS.
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