Omega CL23A Output Input Adjust Verify Reading, Calibration of Meter-Mode Resistance Functions

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