DMM 7510 7½-Digit Graphical Sampling Multimeter
Resistance Characteristics
Maximum 4-Wire Ohms Lead Resistance
5 Ω per lead for 1Ω range, 10% of range per lead for 10 Ω to 1 kΩ ranges; 1 kΩ per lead for all other
ranges.
Offset Compensation
Open Lead Detector
Autozero Off Error
Selectable on 4-wire, 1 Ω to 100 kΩ ranges.
Default is off.
For 2-wire ohms, 1°C and ≤10 minutes, add (8ppm of reading) + 1.5 mΩ for 10 Ω, 15 mΩ for 100 Ω and
1 kΩ ranges, 150 mΩ for 10 kΩ range, 1.5 Ω for 100 kΩ range, and 15 Ω for all other ranges.
For 4-wire ohms, 1°C and ≤10 minutes, add (8 ppm of reading).
Input Current Limit
For signals with a magnitude of +12 V to +40 V or –12 V to –40 V: 13 mA source or sink, typical.
For signals with a magnitude of greater than +40 V or –40 V: 130 µA source or sink, typical.
Dry Circuit Resistance
Enhanced Accuracy (within 30 days of autocalibration, TOPER 5ºC from TACAL
)
Accuracy (ppm of reading + ppm of range)
Test
Current 35
( 5%)
Open Circuit
24 Hour
90 Day
1 Year
TCAL 5°C
2 years
TCAL 5°C
Temperature
Coefficient 34
Range 31
Resolution
1 µΩ
DUT Voltage 32 TCAL 1°C 33
TCAL 5°C
1.000000 Ω
10.00000 Ω
100.0000 Ω
1.000000 kΩ
10.00000 kΩ
10 mA
1 mA
25 mV
25 mV
25 mV
25 mV
25 mV
25 + 80
25 + 80
25 + 80
25 + 80
25 + 80
50 + 80
50 + 80
90 + 80
180 + 80
320 + 80
50 + 80
50 + 80
90 + 80
180 + 80
320 + 80
50 + 80
50 + 80
90 + 80
180 + 80
320 + 80
1.5 + 0.1
1.5 + 0.1
1.5 + 0.1
1.5 + 0.1
1.5 + 0.1
10 µΩ
100 µΩ
1 mΩ
100 µA
10 µA
5 µA
10 mΩ
Accuracy
Accuracy (ppm of reading + ppm of range)
Test
Current 35
( 5%)
Open Circuit
24 Hour
90 Day
1 Year
TCAL 5°C
2 Year
TCAL 5°C
Temperature
Coefficient 34
Range 31
Resolution
1 µΩ
DUT Voltage 32 TCAL 1°C 33
TCAL °C
1.000000 Ω
10.00000 Ω
100.0000 Ω
1.000000 kΩ
10.00000 kΩ
10 mA
1 mA
25 mV
25 mV
25 mV
25 mV
25 mV
25 + 80
25 + 80
25 + 80
25 + 80
25 + 80
50 + 80
50 + 80
90 + 80
180 + 80
320 + 80
70 + 80
70 + 80
90 + 80
90 + 80
2.5 + 1
5 + 1
10 µΩ
100 µΩ
1 mΩ
100 µA
10 µA
5 µA
140 + 80
400 + 80
800 + 80
200 + 80
600 + 80
1300 + 80
2.5 + 1
5 + 1
10 mΩ
8 + 1
RMS Noise (additional peak noise uncertainty) 36
Applies to ppm of range.
Peak noise uncertainty is included in DC specifications for ≥1 PLC.
Add peak noise uncertainty to measurements when < 1 PLC.
NOTES
31. 20% overrange on all ranges, except 2.4 k for the 10 k range.
32. Maximum clamp voltages are DC, typical accuracy is 20%. Add 20% for offset compensation on.
33. Relative to calibration accuracy.
34. Add per degree from TCAL 5°C.
35. Test current with offset compensation off.
36. Noise values are based on 1000 readings with autozero on and using low thermal 4-wire short. RMS noise is typical. Additional peak noise is guaranteed.
TEK.COM
9