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General| Brand | Nokeval |
|---|---|
| Model | Center 309 |
| Category | Thermometer |
| Language | English |
Details the four-digit liquid crystal display per channel for temperature readings.
Specifies the temperature measurement range in both Celsius and Fahrenheit.
Indicates the temperature resolution for different measurement ranges.
Describes the input protection at the thermocouple input terminals.
Outlines the operating and storage temperature and humidity requirements.
Provides the accuracy specifications for the thermometer at a standard temperature.
Explains the tolerance adjustment for ambient temperatures outside the standard range.
States the total accuracy considering EMC factors.
Specifies the time interval between data samples.
Provides physical dimensions and approximate weight of the device.
Lists the items included with the thermometer, such as probes and cables.
Details the power source, battery life, and AC adapter specifications.
Clarifies that basic accuracy does not include probe error.
Explains how data is stored in memory when the REC button is pressed.
Explains the meaning of various symbols displayed on the thermometer's LCD screen.
Identifies the location and describes the function of each button on the device.
Instructions for turning the thermometer on/off and managing the backlight.
Guidance on connecting K-type thermocouples to the input connectors.
How to switch between Celsius (°C) and Fahrenheit (°F) temperature scales.
Procedure for freezing and releasing the current temperature reading on the display.
How to display and read the temperature difference between sensors T1 and T2.
Steps to start/stop data recording and clear the internal memory.
Instructions for setting the device's internal clock (year, month, day, hour, minute).
Guide on setting the time interval between consecutive data recordings.
How to view, manage, and cycle through maximum and minimum temperature readings.
Information on the automatic power-off function and how to disable it.
Explanation of the symbol indicating low battery status.
Details on calibration points and adjustment procedures for accuracy.
Specifications for the digital output, including baud rate and serial format.
Illustrates different temperature display configurations on the device's LCD.
Shows example displays for triple (305/306) and four-channel (304/309) models.
Covers file operations: opening, saving, printing, and printer setup.
How to open the Panel Window to control meter functions.
Opens a real-time graph to visualize current temperature data.
Initiates the process of collecting real-time temperature data.
Halts the ongoing real-time data collection.
Opens the DataLogger window to load recorded data from the meter.
Function to create graphs from tabular data.
Controls to display or hide statistical data (Statistic1, Statistic2) on the graph.
Options for using normal cursors or annotation tools on the graph.
Options to separate or combine the display of the four temperature channels.
Allows setting minimum and maximum values for the Y-axis display range.
How to zoom into specific sections of the graph by dragging the mouse.
Procedure to choose single or multiple channels for graph display.
Steps to connect the meter and load recorded data into the software.
Details shown for loaded data sets, including date, time, and record count.
How to view waveform graphs and statistics for selected data sets.
Instructions for connecting the device and starting real-time data acquisition.
Steps to save recorded real-time data into various file formats.
Solutions for resolving the 'NO CONNECTION' error when connecting the meter.
How to save graph data as a CSV file for use in Excel.
Procedure to remove the software from the computer via Add/Remove Programs.
Possible reasons for data loading failures and suggested remedies.
Explanation of how to zoom into specific areas of the graph.
Potential data loss issues with fast sampling rates and how to mitigate them.
Detailed steps to load recorded data from the thermometer's memory.
Discusses saving data in .ghf, .txt, and .csv formats, including CSV limitations.
Highlights main features like auto-range, four-channel input, and software compatibility.
Presents a table summarizing technical specifications of the thermometer.
Lists the standard accessories provided with the CENTER 304 and 309 models.
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