Precision, Performance, Confidence. ™

Typical Scanning Rate Table for the 2638A

 

See tables below. The measurement conditions are:

  • Averaged rate over 20 scans
  • Continuous scanning
  • Alarm limits
  • Mx+B scanning set on all channels
  • Logging data to USB memory

Measurements were taken at 50% of range on all channels; For ACV, ACI the frequency of input signal is 1kHz; For frequency, the input is 5V 15Hz.

FUNCTION

RANGE

CHANNELS

SLOW

MEDIUM

FAST

1

10

20

1

10

20

1

10

20

DCV

100mV

2.32

2.38

2.39

13.3

16.6

17.2

29.8

43.5

46.5

1 V

2.32

2.38

2.39

13.3

16.6

17.2

29.8

43.5

46.5

10 V

2.32

2.38

2.39

13.3

16.6

17.2

29.8

43.5

46.5

100 V

2.32

1.92

1.93

13.3

6.25

6.31

29.8

8.19

8.33

150 V

2.32

1.92

1.93

13.3

6.25

6.31

29.8

8.19

8.33

ACV

(20Hz BW)

100mV

2.32

1.22

1.22

2.32

1.22

1.22

2.32

1.22

1.22

1 V

2.32

1.22

1.22

2.32

1.22

1.22

2.32

1.22

1.22

10 V

2.32

1.22

1.22

2.32

1.22

1.22

2.32

1.22

1.22

100 V

2.32

1.22

1.22

2.32

1.22

1.22

2.32

1.22

1.22

150 V

2.32

1.22

1.22

2.32

1.22

1.22

2.32

1.22

1.22

ACV

(200Hz BW)

100mV

2.32

1.92

1.92

2.32

1.92

1.92

2.32

1.92

1.92

1 V

2.32

1.92

1.92

2.32

1.92

1.92

2.32

1.92

1.92

10 V

2.32

1.92

1.92

2.32

1.92

1.92

2.32

1.92

1.92

100 V

2.32

1.92

1.92

2.32

1.92

1.92

2.32

1.92

1.92

150 V

2.32

1.92

1.92

2.32

1.92

1.92

2.32

1.92

1.92

OHMS

100Ω

2.32

2.38

2.39

13.3

16.6

17.2

29.8

43.5

46.5

1kΩ

2.32

2.38

2.39

13.3

16.6

17.2

29.8

43.5

46.5

10kΩ

2.32

1.92

1.93

13.3

6.25

6.31

29.8

8.19

8.33

100kΩ

2.32

1.92

1.93

13.3

6.25

6.31

29.8

8.19

8.33

1MΩ

2.32

1.08

1.08

13.3

1.78

1.79

29.8

1.91

1.92

10MΩ

2.32

0.70

0.70

13.3

0.94

0.94

29.8

0.97

0.98

Frequency

ANY

1.81

1.51

1.49

1.81

1.51

1.49

1.81

1.51

1.49

TC (INT CJC)

Open Detect

ANY

2.06

2.15

2.17

6.06

6.96

7.14

8.00

9.70

10.0

TC (INT CJC)

ANY

2.08

2.35

2.38

6.06

9.61

9.95

8.33

15.6

16.3

TC (FIX CJC)

Open Detect

ANY

2.29

2.18

2.18

8.33

7.22

7.24

11.1

10.1

10.2

TC (FIX CJC)

ANY

2.29

2.38

2.39

8.33

10.0

10.1

11.9

16.9

17.0

PRT

400Ω

2.32

2.38

2.39

8.33

10.0

10.2

13.3

16.8

17.1

4kΩ

2.32

1.92

1.92

8.33

5.01

5.05

13.3

6.28

6.31

Thermistor

2.2kΩ

2.32

1.08

1.08

8.33

1.66

1.66

13.3

1.78

1.79

98kΩ

2.32

1.08

1.08

8.33

1.66

1.66

13.3

1.78

1.79

1MΩ

2.32

0.70

0.70

8.33

0.90

0.91

13.3

0.94

0.94

 

 

FUNCTION

RANGE

CHANNELS

SLOW

MEDIUM

FAST

1

2

1

2

1

2

DCI

100μA

2.32

2.23

13.3

11.76

25

20.0

1mA

2.32

2.23

13.3

11.76

25

20.0

10mA

2.32

2.23

13.3

11.76

25

20.0

100mA

2.32

2.23

13.3

11.76

25

20.0

ACI

(20Hz BW)

100μA

2.32

1.18

2.32

1.18

2.32

1.18

1mA

2.32

1.18

2.32

1.18

2.32

1.18

10mA

2.32

1.18

2.32

1.18

2.32

1.18

100mA

2.32

1.18

2.32

1.18

2.32

1.18

ACI

(200Hz BW)

100μA

2.32

1.83

2.32

1.83

2.32

1.83

1mA

2.32

1.83

2.32

1.83

2.32

1.83

10mA

2.32

1.83

2.32

1.83

2.32

1.83

100mA

2.32

1.83

2.32

1.83

2.32

1.83

 

 

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