What to do if the Hitachi U-2910 data fluctuates a lot?
If you observe large fluctuations in the displayed data on your Hitachi Measuring Instruments, there are several potential causes: * The lamp may be deteriorating: Replace the lamp. * The lamp may be contaminated with fingerprints: Remove the fingerprints. * There might be dirt or water on the cell or window plate: Remove any dirt or water.
What to do if an error message appears on the Hitachi U-2910 Measuring Instruments screen?
If an error message appears on the screen of your Hitachi Measuring Instruments, it indicates improper operation. Redo the operation following the instructions displayed on the screen.
What to do if message “D2 lamp1”, “WI lamp!” appears on Hitachi U-2910 screen?
If the message “D2 lamp1”, “WI lamp!” appears on the screen of your Hitachi Measuring Instruments, it means that the lamp is broken and needs to be replaced.
How to fix 'Calibrate!' message on Hitachi U-2910 Measuring Instruments?
If the message “Calibrate!” appears on the screen of your Hitachi Measuring Instruments, it means that the wavelength calibration data has been destroyed. Calibrate the instrument. Ask your service section for remedy.
Why is nothing displayed on the Hitachi Measuring Instruments screen?
If nothing is displayed on the screen of your Hitachi Measuring Instruments, even when the power switch is turned on, the fuse may have blown out and needs to be replaced.
General| Brand | Hitachi |
|---|---|
| Model | U-2910 |
| Category | Measuring Instruments |
| Language | English |
Explains the manual's scope, structure, and recommended reading order for users.
Instructions for WEEE compliance and proper disposal of the equipment in the European Union.
Guidance on proper disposal methods for users outside the European Union.
Details the warranty terms, conditions, and exclusions for the product.
Lists specific conditions and scenarios not covered by the free-of-charge warranty.
Outlines the manufacturer's warranty limitations and disclaims implied warranties for specific purposes.
Estimates the instrument's useful service life and requirements for extended use.
Covers procedures for initial installation, relocation, and accessing after-sales technical support.
Informs users about available technical training sessions offered by the manufacturer.
Provides general safety and operational guidelines not covered in specific sections.
Details the user's responsibility and precautions for handling chemicals and samples safely.
Introduces the importance of reading and understanding safety instructions provided in the manual.
Explains the meaning and severity of DANGER alerts, potentially leading to death or serious injury.
Explains the meaning of WARNING alerts, indicating potentially hazardous situations resulting in death or serious injury.
Explains the meaning of CAUTION alerts, indicating hazardous situations leading to minor injury or product damage.
Explains the purpose of NOTICE alerts, focusing on preventing instrument/data damage or environmental pollution.
Provides essential safety steps and considerations to be followed before operating the instrument.
Details safety measures to be taken during the operation of the instrument.
Covers safety considerations specific to the installation, maintenance, and relocation processes.
Provides specific safety warnings related to the installation, maintenance, and relocation of the instrument.
Highlights the safety instructions contained within the manual and their relevance to the instrument.
Details the risk of electric shock from high voltage inside the instrument and precautions before accessing components.
Describes the risk of electric shock from the power supply and the necessity of proper grounding and avoiding cover removal.
Details CAUTION warnings regarding long operation hours leading to fatigue and burns from hot surfaces.
Provides NOTICE alerts for proper disposal of waste solutions and ensuring accuracy of measured values.
Emphasizes the importance of backing up data to prevent loss due to system failures or virus infections.
Offers guidance on identifying and protecting against computer viruses that may affect the instrument's software and data.
Advises on protecting the instrument from data loss or damage due to momentary power interruptions using an UPS.
Provides instructions on the correct procedure for powering the personal computer on and off to avoid data corruption.
Warns about the hazards of lithium batteries and proper handling and replacement procedures.
Details safety precautions for moving the heavy instrument, requiring two persons for safe handling.
Stresses the importance of securing the instrument during installation to prevent accidental falls and injuries.
Explains the warning labels attached to the instrument and the need for periodic checks and replacement if illegible.
Explains the caution label regarding hot parts and the necessary waiting time after power-off before handling.
Warns about the high temperature of lamps and hot surfaces, advising to cool down before replacement.
Provides instructions on how to unpack the instrument safely and place it for setup.
Defines the physical space requirements, including floor area and work table strength, for instrument placement.
Specifies the required electrical power supply voltage, frequency, and source capacity for the instrument.
Defines the optimal operating temperature, humidity, atmosphere, and other environmental factors for the instrument.
Instructs users to verify all delivered items against the packing list and report discrepancies.
Provides step-by-step instructions for assembling the instrument, including a safety warning.
Explains how to secure the spectrophotometer to prevent damage from earthquakes using threaded screw holes.
Guides the user on checking the power voltage setting and selecting the correct fuse capacity for safe operation.
Details how to connect various cables for the instrument, computer, and printer, with a safety warning.
Provides instructions for securely connecting the power cord and ensuring proper grounding of the instrument.
Lists final checks to perform after installation and assembly to ensure correct setup.
Describes the procedure for turning on the spectrophotometer's power switch.
Directs users to the relevant section for installing the UV-Solutions software.
Outlines the steps for properly shutting down and terminating the instrument and associated software after use.
Provides a general overview of the spectrophotometer's capabilities for photometric analysis.
Describes the physical appearance and features of the instrument, including sample compartment and side panel.
Describes the appearance and function of components on the front panel, including the RUN lamp.
Explains the fundamental operational principle of the spectrophotometer.
Explains the optical path of the spectrophotometer, from the light source through the monochromator to the detectors.
Describes how optical signals are converted, processed, and controlled, either via keyboard or PC.
Lists the primary measurement functions offered by the instrument.
Lists the available measurement modes offered by the UV Solutions program, including quantitative calculation and scans.
Explains the function for calculating sample concentration by creating calibration curves from standards.
Details the parameters and capabilities for performing wavelength scans, including scan speed and data modes.
Describes the Time Scan function, allowing measurements over a specified time interval and rate calculation.
Covers various data processing techniques like automatic readout, peak detection, and scale changing.
Explains the smoothing function to eliminate noise from spectral data.
Describes how to differentiate spectral data to analyze derivative orders and smoothing parameters.
Details applying arithmetic operations and coefficients to spectral data.
Explains converting data files into ASCII text or JCAMP-DX formats.
Allows customization of font style and size for displaying and printing data.
Explains how to perform baseline correction using system or user baselines to ensure accurate measurements.
Lists the instrument's auto calibration and self-diagnosis features for maintaining accuracy.
Provides a comprehensive list of the technical specifications for the Model U-2910 spectrophotometer.
Introduces the instrument calibration process, emphasizing vertical axis for 0%T and horizontal for wavelength.
Advises on proper timing and order for calibration procedures, recommending a stabilization period.
Details the procedure for correcting the 0%T (zero absorbance) measurement for accurate sample readings.
Explains how to perform wavelength calibration using the D2 lamp's emission line for accurate wavelength readings.
Notes that wavelength calibration occurs automatically on startup but recommends re-calibration after stabilization for precise measurements.
Guides on memorizing the system baseline, a crucial step for consistent measurements.
Outlines the importance of regular maintenance and checkups for maintaining instrument accuracy and longevity.
Explains that proper maintenance is key to ensuring the instrument's superlative accuracy and long-lasting performance.
Provides instructions for cleaning the sample compartment base in case of sample spills to maintain optical performance.
Details how to clean spills on the instrument cover using a soft cloth and mild detergent.
Describes the proper method for washing, drying, and storing sample cells to maintain their integrity.
Mentions that the instrument is factory-lubricated and advises contacting service for abnormalities.
Explains the procedure for cleaning the transmission window plate of the sample compartment.
Details the process for measuring D2 lamp emission lines to determine and check wavelength accuracy.
Explains how to measure wavelength repeatability by repeating measurements on a single emission line.
Describes the procedure to determine the spectral width of monochromatic light emitted from the monochromator.
Details how to measure the variation range of absorbance values over a short period with no sample to determine noise level.
Explains how to determine the variation range of absorbance values over time without a sample to check baseline stability.
Details the procedure to determine systematic variations in absorbance values across a specified wavelength region.
Provides a table of common instrument conditions, possible causes, and recommended actions for troubleshooting issues.
Warns users about the electrical hazard inside the instrument and advises that only qualified personnel should perform inspections.
Recommends keeping spare consumable parts on hand to minimize unintentional instrument downtime.
Lists the consumable parts for the instrument, including lamps and fuses, with part numbers.
Provides instructions for replacing the light source lamps.
Provides step-by-step instructions for safely replacing the light source lamps, including necessary precautions.
Highlights critical safety warnings regarding electric shock and hot surfaces during lamp replacement.
Details the specific procedure for removing and installing the WI lamp.
Details the specific procedure for removing and installing the D2 lamp.
Explains the need to reset the lamp turn-on time after replacement and refers to another volume for details.
Describes how to adjust the light source position if necessary, with safety precautions.
Warns users about hot lamps and UV radiation during adjustment, advising protective measures.
Details the steps for adjusting the WI lamp's position to ensure proper illumination of the slit.
Details the steps for adjusting the D2 lamp's position to ensure proper illumination of the slit.
Provides guidelines for storing the instrument properly after use and for long-term periods.
Provides instructions for proper storage of the instrument after completing measurements, including cover placement.
Details precautions for long-term storage, including environmental conditions and securing the light source mirror.
Explains the fundamental principles of absorption spectrophotometry and Bouguer-Beer's Law.
Provides notes on using the spectrophotometer, including solvent selection.
Provides guidelines and a table for selecting appropriate solvents based on their spectral ranges and properties.
Discusses handling special sample types like fluorescing samples or those with high turbidity, and provides an equation for solid samples.
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