Why is there no measuring value change on my VOLTCRAFT SL-451?
If you observe no change in the measurement value on your VOLTCRAFT Measuring Instruments, it might be due to the HOLD function being activated. Check if the HOLD function is on.
General| Accuracy (illumination) | ±3 % |
|---|---|
| Power Supply | 9V battery |
| Resolution (illumination) | 0.01 lux |
| Type of sensor | Photodiode |
| Functions | Data-Hold, MAX/MIN function |
| Display | LCD |
Explains how to insert batteries before initial device operation.
Details on using the power adapter for long-term measurements.
Procedure for setting the minutes in the device's setup menu.
Steps to set the current hour in the device's time format.
Instructions for setting the current day in the date format.
Guide to setting the current month in the date format.
Process for setting the current year in the device's date format.
How to delete all preset parameters and reset device settings.
Explanation of the automatic switch-off feature to save battery life.
How to freeze the currently displayed measured value.
Using the function to display maximum or minimum measurement values.
Details on applying A or C frequency weighting filters to measurements.
Procedure for changing between the four available measuring ranges.
Procedure for calibrating the sound level meter using a sound calibrator.
Guidelines for performing accurate sound level measurements directly and at a distance.
How to set the recording interval time for the data logger (1-59 seconds).
Steps to begin recording measurement values using the data logger.
Instructions for replacing the device's 9V battery.
General guidelines for the proper disposal of the product.
Regulations and procedures for disposing of used batteries and rechargeable batteries.
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