Agilent Technologies DC140 Bedienungsanleitung PDF herunterladen (Seite 8)

Duty cycle and pulse width specifications

Table 6. Duty cycle and pulse width resolution and accuracy

Function Range Resolution Accuracy of full scale

Duty cycle 100.000%

0.001% 0.3% + 0.2% per kHz

Pulse width

199.999 ms

1999.99 ms

0.001 ms

0.01 ms

Duty cycle/frequency

1. The range is from {10 µs × frequency × 100%} to {[1 – (10 µs × frequency)] × 100%}. For example, a 1 kHz signal can be measured from

1% to 99%.

2. The positive or negative pulse width must be greater than 10 µs. The range of the pulse width is determined by the frequency of the signal.

Operating specifications

Table 7. Reading speed (typical)

Function Rate

Reading speed

(readings/second)

Reading speed

over USB

(readings/second)

Reading speed

over GPIB

(readings/second)

DC voltage

(10 V)

Slow (5½ digits)

Fast (4½ digits)

DC current

(1 A)

Slow (5½ digits)

Fast (4½ digits)

AC voltage

(10 V at 1 kHz)

Slow (5½ digits)

Fast (4½ digits)

AC current

(1 A at 1 kHz)

Slow (5½ digits)

Fast (4½ digits)

AC + DC voltage

(10 V at 1 kHz)

Slow (5½ digits)

Fast (4½ digits)

2.9

AC + DC current

(1 A at 1 kHz)

Slow (5½ digits)

Fast (4½ digits)

2.9

Resistance

(100 kΩ)

Slow (5½ digits)

Fast (4½ digits)

Lo-Ω

(1 kΩ)

Slow (5½ digits)

Fast (4½ digits)

0.8

Capacitance

(10 µF)

Slow/Fast (3½ digits) 5 1.4 1.4

Diode

(1 V)

Slow/Fast (4½ digits) 70 26 23

Frequency

(voltage path at

10 V, 1 kHz)

Slow (5½ digits)

Fast (4½ digits)

Frequency

(current path at

1 A, 1 kHz)

Slow (5½ digit)

Fast (4½ digit)

1. Based on an average of 500 readings.

2. Reading rate of the A/D converter.

3. Number of measurements per second that can be read through USB using SCPI “READ?” command.

4. Number of measurements per second that can be read through GPIB using SCPI “READ?” command.

Digital multimeter specifications (continued)

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 18 19

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