Omega 25, 27 Output Input Adjust Verify Reading, Calibration of Meter-Mode Resistance Functions

Page 33

Table 4: Calibration of Calibrator-Mode Resistance Functions (RTD-100/1000)

Current

Sensor

Unit

Source

DMM

Step

Select

Output

Input

Adjust

Verify

Reading*

1

RTD-100

1562.0°F

1mA

P38

√

0.39026v

2

RTD-100

32.0°F

1mA

0.10000

√

±0.00003v

3

RTD-100

–328.0°F

1mA

0.01849

±0.00006v

4

RTD-1000

1562.0°F

100µA

P51

√

0.39026v

5

RTD-1000

32.0°F

100µA

0.10000

1,000Ω

900.00Ω

√

±0.00003v

6

1mA

0.90000

1,000Ω

1.00Ω

√

±0.00010v

7

1mA

0.00100

10,000Ω

9,000.0Ω

√

±0.00010v

8

100µA

0.90000

10,000Ω

10.0Ω

√

±0.00010v

9

100µA

0.00100

±0.00010v

*

exclusive of noise.

Table 5: Calibration of Meter-Mode Resistance Functions

(RTD-Thermistor)

Sensor

Unit

Unit

Step

Select

Input

Adjust

Verify

Reading*

1

RTD-100

390.26Ω

P1

1562.0°F

2

RTD-100

100.00Ω

√

32.0±0.3°F

3

RTD-100

18.49Ω

√

–328.0±0.5°F

4

1,000Ω

900.00Ω

P1

900.00Ω

5

1,000Ω

1.00Ω

√

1.00±0.20Ω

6

100,000Ω

90,000Ω

P1

90,000Ω

7

100,000Ω

100Ω

√

100±20Ω

8

Thermistor

47.0Ω

P1

293.0°F

9

Thermistor

2252Ω

√

77.0±0.2°F

10

Thermistor

75,790Ω

√

–40.0±0.2°F

*

exclusive of noise.

31

Image 33

Contents CL23A, 24, 25, 26 Omega.comTM Table of Contents General Information Common SpecificationsTemperature Coefficient Page Model CL23A/CL23EC Unique SpecificationsModel CL24 Model CL25/CL25ECFeatures Manual AddendaModel CL27/CL27EC Safety Information Safety PrecautionsUnpacking Your Unit Page Battery Installation Battery INSTALLATION/REPLACEMENTOperation with Rechargeable Battery Memory BackupProblem Likely Cause Diagnostics and Error MessagesOperating Instructions Initial Turn onKeypad 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 FunctionCalibration Procedures Service InformationThermocouple Calibration Test Equipment Required Ambient ConditionsPage Calibration Adjustments Input Adjust Reading Meter-Mode Zero & Gain Adjustments Sensor StepCalibrator-Mode Zero & Gain Adjustments Sensor Output Adjust ReadingCalibration Setup, Copper Mode Test Equipment Required Resistance CalibrationResistance Calibration Setup Calibration Adjustments Input Adjust Verify Reading Output Input Adjust Verify ReadingCalibration of Meter-Mode Resistance Functions RTD-Thermistor Sensor Unit StepCalibration 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