Identifying a Problem in PR-23

If the following criteria are met, the problem is not likely to be electronic:

  • Indicating transmitter displays information and keyboard is OK
  • Optical image can be seen
  • Current output is between 4 ..20 mA most problems are process or configuration related, not physical failures

To troubleshoot K-Patents Refractometers PR-23, see the Troubleshooting Guide (pdf).