Measurement resistance 50 Ω

Operation mode

4.5 V feed voltage, fixed setting n +Uv

5 kΩ reference resistance at –I2

Supply current is given by:
4.5 V / (5 k Ω + R_measurement) 

Measuring range, nominal

0…50 Ω

Measuring range, end value (FSV)

50 Ω

Measuring range, technically usable

0 Ω…53.68 Ω

PDO resolution

23 bit (unsigned)

PDO LSB (Extended Range)

6.4 µΩ

PDO LSB (Legacy Range)

5.96.. µΩ

Basic accuracy: Measuring deviation at 23°C, with averaging, typ.

< ±tbd. ppm_FSV

< ±tbd.

< ±200 ppm_FSV

< ±10 mΩ

Extended basic accuracy: Measuring deviation at 0…55°C, with averaging, typ. ⁶⁾

< ±tbd. ppm_FSV

< ±tbd.

< ±305 ppm_FSV

< ±15 mΩ

Offset/Zero point deviation (at 23°C)

E_Offset

< tbd. ppm_FSV

< 175 ppm_FSV

Gain/scale/amplification deviation (at 23°C)

E_Gain

< tbd. ppm_FSV

< 80 ppm_FSV

Non-linearity over the whole measuring range

E_Lin

< tbd. ppm_FSV

< 50 ppm_FSV

Repeatability, over 24 h, with averaging

E_Rep

< tbd. ppm_FSV

< 10 ppm_FSV

Temperature coefficient, typ.

Tc_Offset

< tbd. ppm_FSV/K

< tbd.

< 5 ppm_FSV/K

< 0.25 mΩ/K

Tc_Gain

< tbd. ppm/K

< 5 ppm /K

Noise (without filtering)

E_{Noise, PtP}

< tbd. ppm_FSV

< tbd. digits

< tbd. ppm_FSV

< tbd. digits

E_{Noise, RMS}

< tbd. ppm_FSV

< tbd. digits

< tbd. ppm_FSV

< tbd. digits

Max. SNR

> tbd. [dB]

> tbd. [dB]

Noisedensity@1kHz

< tbd.

< tbd.

Noise (with 50 Hz FIR filter)

E_{Noise, PtP}

< tbd. ppm_FSV

< tbd. digits

< tbd. ppm_FSV

< tbd. digits

E_{Noise, RMS}

< tbd. ppm_FSV

< tbd. digits

< tbd. ppm_FSV

< tbd. digits

Max. SNR

> tbd. [dB]

> tbd. [dB]

Common-mode rejection ratio (without filter) ³⁾

DC:
< tbd. Ω/V
typ.

50 Hz:
< tbd. kΩ/V
typ.

1 kHz:
< tbd. kΩ/V
typ.

DC:
< tbd. Ω/V
typ.

50 Hz:
< tbd. kΩ/V
typ.

1 kHz:
< tbd. kΩ/V
typ.

Common-mode rejection ratio (with 50 Hz FIR filter) ³⁾

DC:
< tbd. Ω/V
typ.

50 Hz:
< tbd. Ω/V
typ.

1 kHz:
< tbd. Ω/V
typ.

DC:
< tbd. Ω/V
typ.

50 Hz:
< tbd. kΩ/V
typ.

1 kHz:
< tbd. kΩ/V
typ.

Largest short-term deviation during a specified electrical interference test

±tbd.%_FSV = ±tbd. ppm_FSV typ.

±tbd.%_FSV = ±tbd. ppm_FSV typ.

Input impedance (internal resistance)

tbd