Technical data

Performance Test Calibration 2

U2741A USB Modular 5.5 Digits Digital Multimeter Service Guide 17

[1]

Select NPLC 20 digit resolution.

[2]

The specifications are for 2-wire or 4-wire ohms using the null function in AMM

software. Add 0.2 Ω error if null function is not used in AMM software.

Q = Quick performance verification test points

Short

DC Volts

100 mV ±8 µV

Short 1 V Q ±50 µV

Short 10 V ±0.5 mV

Short 100 V ±5 mV

Short 300 V ±15 mV

Short

2-Wire Ohms

and

4-Wire Ohms

100 Ω ±8 mΩ

[2]

Short 1 kΩ ±50 mΩ

[2]

Short 10 kΩ Q ±500 mΩ

[2]

Short 100 kΩ ±5 Ω

Short 1 MΩ ±50 Ω

Short 10 MΩ ±500 Ω

Short 100 MΩ ±5 kΩ

Table 2 - 2 Zero offset verification test

Input Function

[1]

Range Quick check Error from nominal

1 year