DMM 7510 7½-Digit Graphical Sampling Multimeter

System Performance, Typical

Mode

3½-digit, autozero off, 0.0005 PLC, excludes measurement time.

Time includes function change from DC voltage or 2-wire ohms to listed function.

Function

Function Change (ms)

Range Change (ms)

DC Voltage or 2-wire ohms (<10 k

Ω)

6

1.3

4-wire ohms (<10 k

Ω)

7

1.3

DC Current

7

1.3

7

1.3

AC Voltage or AC Current

7

1.3

Digitize Voltage or Current

7

1.3

Ranges for Function Change Times

Function change times apply to the ranges listed in the table below.

Function

Range

DC Voltage

10 V

2-wire or 4-wire Ohms

1 k

Ω

DC Current

1 mA

Dry-circuit Ohms

10

Ω

Thermocouple

Use DC Voltage rates

Thermistor

Use 2-wire Ohms rates

AC Current

1 mA

AC Voltage

1 V

Buffer Transfer Speed (Binary)

Measurements into Computer (per second)

USB

LAN

GPIB

Average for 1000 readings

280000

270000

190000

Average for 1000 readings with timestamp

170000

140000

100000

Triggering

Time Base Accuracy

25ppm.

Trigger Source

Analog DCV, DCI, or any system trigger.

Trigger Coupling

DC or AC (DCV function only).

<225 ns.

<50 ns.

<1 ns.

DMM Rear-Panel Triggers

EXT TRIG IN and OUT

0 V to 5 V logic signal input and output, TTL compatible.

EXT trigger latency (IN and OUT)

<400 ns.

EXT trigger latency (IN or OUT)

<200 ns (guaranteed by design).

NOTES

95. For DC voltage or 2-wire ohms to frequency or period, 10ms aperture. For AC current or AC voltage, detector bandwidth is 300 Hz.

96. Guaranteed by design; for digital I/O only.

97. Stimulus command required to meet specifications.

98. If using trigger model, add 200 ns uncertainty.