Keypad | Omega 26, 27, 25, 24 guide

Figure 2. Keypad

Figure 3. Display Test

If the unit is turning on for the first time after a new battery is installed, it will automatically default to the METER mode (ie. temperature measurement operation). It also defaults to K-type thermocouples, and °F readings with 0.1° resolution. The corresponding LCD annunciators are enabled:

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Image 14

Omega 26, 27, 25, 24 manual Keypad

Contents

CL23A, 24, 25, 26 Omega.comTM Table of Contents Common Specifications General Information Temperature Coefficient Page Model CL24 Unique SpecificationsModel CL23A/CL23EC Model CL25/CL25EC Model CL27/CL27EC FeaturesManual Addenda Unpacking Your Unit Safety InformationSafety Precautions Page Battery INSTALLATION/REPLACEMENT Battery Installation Memory Backup Operation with Rechargeable Battery Operating Instructions Diagnostics and Error MessagesProblem Likely Cause Initial Turn on Keypad Meter Mode Operation Thermocouples Set-Up OPR Meter Mode Operation RTD, Thermistor & Ohms Set-Up Hold Data Logging and Recall To Save Readings To Recall Readings To Erase Data Locations Meter Mode Calibrator Mode Operation Thermocouples Set-Up Calibrator Mode Operation RTD, Thermistor & Ohms Set-Up CHANGE/ENTER, 2, 1, 2, 0, CHANGE/ENTER Wire Resistance Simulation Storage and Recall of Calibrator Settings To Store Outputs To Erase Set-Up Locations Calibrator Mode To Recall Outputs Step Function Ramp Function CL25 and CL27 Thermocouple Calibration Test Equipment Required Service InformationCalibration Procedures Ambient ConditionsPage Calibration Adjustments Calibrator-Mode Zero & Gain Adjustments Sensor Meter-Mode Zero & Gain Adjustments Sensor StepInput Adjust Reading Output Adjust Reading Calibration Setup, Copper Mode Resistance Calibration Test Equipment Required Resistance Calibration Setup Calibration Adjustments Calibration of Meter-Mode Resistance Functions Output Input Adjust Verify ReadingInput Adjust Verify Reading RTD-Thermistor Sensor Unit Step Calibration Verification Model Software Revision Equipment RequiredPage Page Alloy Mode Verification Procedure for Thermocouple Functions Page Mechanical Parts Diagram Calibration Procedures Page Page Page Page Page USAWARRANTY/DISCLAIMER Temperature