Ohaus T31 Indicator Service Manual

About this manual

This service manual provides instructions for performing routine maintenance and service on the Ohaus 3000 Series T31 Indicators (models T31P and T31XW). It details the required tools and test equipment, including the Ohaus Scale Base and Load Cell Simulator, and outlines procedures for hardware setup and disassembly.

What's inside

• Service Facilities
• Tools and Test Equipment
• Specifications
• Hardware Setup
• Operation
• Troubleshooting
• Maintenance Procedures
• Testing
• Parts Lists
• Setup and Calibration Values

Specifications

Frequently asked questions

What tools are required for servicing the indicator?

Servicing requires an Ohaus Scale Base, Load Cell Simulator (optional), computer with RS232 interface, and a standard electronics tool kit.

What tools are required to service the T31 Indicator?

You need an Ohaus Scale Base, a Load Cell Simulator (optional), and a computer with an RS232 interface.

What is the minimum input impedance for the digital voltmeter used in servicing?

The digital voltmeter must have an input impedance of at least 10 megohms in the 1 Volt dc position.

What environmental conditions are required for servicing the indicator?

The service area must be protected from electrostatic discharge and free of vibrations or air currents.