Do you have a question about the Seca 644 Series and is the answer not in the manual?
Information on identifying the device via model and serial number on type plates.
Describes the main parts of the scale, including frame, display, and power supply.
Explains how the load cell and electronics convert force into a weight value.
Details the process for adjusting the scale to compensate for measuring deviations.
Explains how to view the gravity factor setting of the scale.
Provides a practical example of setting the gravity factor.
Summarizes the sequence of actions for setting the gravity factor.
Lists common error symptoms for the scale and their possible causes and remedies.
Explains how to measure supply voltage on the electronics board to check power lines.
Discusses methods for identifying load cell defects using diagnosis functions or a multimeter.
Guides through the installation and initial start-up of the 'seca wireless updater' program.
Essential safety precautions to be taken before starting any work on the scale.
Specific precautions for handling electronic components to prevent ESD damage.
Step-by-step guide for removing and installing the NEC2 weight module.
Details the steps to remove the printed operating and display unit.
Guide for replacing the membrane keypad, NEC2 display, or radio module.