Omega 24, 27, 25, 26 manual Table of Contents

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	TABLE OF CONTENTS
General Information		2
Common Specifications		2
Unique Specifications		5
Features		6
Manual Addenda		6
Unpacking Your Unit		7
Safety Information		7
Safety Precautions		7
Battery Installation/Replacement		9
Memory Backup		10
Operation with Rechargeable Battery		10
Operating Instructions		11
11.	Diagnostics and Error Messages	11
12.	Initial Turn On	11
3.	Meter Mode Operation (Thermocouple)	13
14.	Meter Mode Operation (RTD, Thermistor, Ohms)	14
15.	Data Logging & Recall	15
16.	Calibrator Mode Operation (Thermocouples)	17
17.	Calibrator Mode Operation (RTD, Thermistor, Ohms)	18
18.	Storage and Recall of Calibrator Settings	20
9.	Step Function	22
10.	Ramp Function	22
Service Information		23
11.	Calibration Procedures	23
12.	Calibration Verification	32
13.	Mechanical Parts Diagram	38
Warranty		45
Limitation of Warranty		45
Statement of Calibration		45

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Contents CL23A, 24, 25, 26 Omega.comTM Table of Contents General Information Common SpecificationsTemperature Coefficient Page Model CL25/CL25EC Unique SpecificationsModel CL23A/CL23EC Model CL24Features Manual AddendaModel CL27/CL27EC Safety Information Safety PrecautionsUnpacking Your Unit Page Battery Installation Battery INSTALLATION/REPLACEMENTOperation with Rechargeable Battery Memory BackupInitial Turn on Diagnostics and Error MessagesProblem Likely Cause Operating InstructionsKeypad OPR Meter Mode Operation Thermocouples Set-UpHold Meter Mode Operation RTD, Thermistor & Ohms Set-UpData Logging and Recall To Recall Readings To Save ReadingsCalibrator Mode Operation Thermocouples Set-Up To Erase Data Locations Meter ModeCHANGE/ENTER, 2, 1, 2, 0, CHANGE/ENTER Calibrator Mode Operation RTD, Thermistor & Ohms Set-UpWire Resistance Simulation To Store Outputs Storage and Recall of Calibrator SettingsTo Recall Outputs To Erase Set-Up Locations Calibrator ModeRamp Function CL25 and CL27 Step FunctionAmbient Conditions Service InformationCalibration Procedures Thermocouple Calibration Test Equipment RequiredPage Calibration Adjustments Output Adjust Reading Meter-Mode Zero & Gain Adjustments Sensor StepInput Adjust Reading Calibrator-Mode Zero & Gain Adjustments SensorCalibration Setup, Copper Mode Test Equipment Required Resistance CalibrationResistance Calibration Setup Calibration Adjustments RTD-Thermistor Sensor Unit Step Output Input Adjust Verify ReadingInput Adjust Verify Reading Calibration of Meter-Mode Resistance FunctionsCalibration Verification Equipment Required Model Software RevisionPage Page Alloy Mode Verification Procedure for Thermocouple Functions Page Mechanical Parts Diagram Calibration Procedures Page Page Page Page Page USAWARRANTY/DISCLAIMER Temperature