TEK.COM

7

Datasheet

Range

Default

Resolution

Default Test

Current

2400, 2401,

2410

Default Test

Current

2420, 2440

Normal Accuracy (23°C ±5°C)

1 Year, ±(% rdg. + ohms)

Enhanced

Accuracy

1 Year,

±(% rdg. + ohms)

2400, 2401

2410

2420, 2440

2400, 2401

–

–

–

Source I

Meas. V

ACC

Source I

Meas. V

ACC

Source I

Meas. V

ACC

Source I

Meas. V

ACC

10 µΩ

–

1 A

Source I

Meas. V

ACC

Source I

Meas. V

ACC

0.17% + 0.0003 Ω

Source I

Meas. V

ACC

20.0000 Ω

100 µΩ

100 mA

100 mA

0.10% + 0.003 Ω

0.11% + 0.006 Ω

0.10% + 0.003 Ω

0.07% + 0.001 Ω

200.000 Ω

1 mΩ

10 mA

10 mA

0.08% + 0.03 Ω

0.09% + 0.1 Ω

0.08% + 0.03 Ω

0.05% + 0.01 Ω

2.00000 kΩ

10 mΩ

1 mA

1 mA

0.07% + 0.3 Ω

0.08% + 0.6 Ω

0.07% + 0.3 Ω

0.05% + 0.1 Ω

20.0000 kΩ

100 mΩ

100 µA

100 µA

0.06% + 3 Ω

0.07% + 6 Ω

0.06% + 3 Ω

0.04% + 1 Ω

200.000 kΩ

1 Ω

10 µA

10 µA

0.07% + 30 Ω

0.07% + 60 Ω

0.07% + 30 Ω

0.05% + 10 Ω

10 Ω

1 µA

1 µA

0.11% + 300 Ω

0.12% + 600 Ω

0.11% + 300 Ω

0.05% + 100 Ω

100 Ω

1 µA

1 µA

0.11% + 1 kΩ

0.12% + 2.4 kΩ

0.11% + 1 kΩ

0.05% + 500 Ω

1 kΩ

100 nA

–

0.66% + 10 kΩ

0.66% + 24 kΩ

Source I

Meas. V

ACC

0.35% + 5 kΩ

–

–

–

Source I

Meas. V

ACC

Source I

Meas. V

ACC

Source I

Meas. V

ACC

Source I

Meas. V

ACC

Temperature Coefficient (0°–18°C and 28°–50°C)

±(0.15 × accuracy specification)/°C.

Source I Mode, Manual Ohms

Total uncertainty = I source accuracy + V measure accuracy (4-wire remote sense).

Source V Mode, Manual Ohms

Total uncertainty = V source accuracy + I measure accuracy (4-wire remote sense).

6-wire Ohms Mode

Available using active ohms guard and guard sense. Max. Guard Output Current: 50 mA (except

1 A range). Accuracy is load dependent. Refer to White Paper below for calculation formula:

“Obtaining More Accurate Resistance Measurements Using the 6-wire Ohms Measurement Technique.”

Guard Output Impedance

<0.1Ω in ohms mode.

NOTES

1. Speed = Normal (1 PLC). For 0.1 PLC, add 0.005% of range to offset specifications, except 200 mV, 1 A, 10 A ranges, add 0.05%. For 0.01 PLC, add 0.05% of range to offset

specifications, except 200 mV, 1 A, 10 A ranges, add 0.5%.

2. Accuracies apply to 2- or 4-wire mode when properly zeroed.

3. Manual ohms only – except 2420, 2440 for 2 Ω range and 2400, 2401, or 2410 for 200 MΩ range.

4. Source readback enabled, offset compensation ON. Also available on 2410, 2420, and 2440 with similar accuracy enhancement.

5. In pulse mode, limited to 0.1 PLC measurement.

6. Except 2440; default test current is 5 µA.

7. Except 2440; default test current is 0.5 µA.