Measurement 3.6…21 mA (NAMUR NE43)

Measuring range, nominal

4…20 mA

Measuring range, end value (full scale value)

20 mA

Measuring range, technically usable

3.6…21 mA

Fuse protection

Internal overload limiting, continuous current resistant

PDO resolution

24 Bit

PDO LSB (Extended Range)

2.048 nA

PDO LSB (Legacy Range)

n.a.

Common-mode voltage V_cm

max. +/- 10V

related to -Uv (internal ground)

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

< ±0.01%_FSV = ±100 ppm_FSV

Offset/Zero Point deviation (at 23°C)

E_Offset

< 65 ppm_FSV

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

E_Gain

< 50 ppm

Non-linearity over the whole measuring range

E_Lin

< 40 ppm_FSV

Repeatability

E_Rep

< 40 ppm_FSV

Noise (without filtering)

E_{Noise, PtP}

< 100 ppm_FSV

< 781 [digits]

E_{Noise, RMS}

< 18 ppm_FSV

< 141 [digits]

Max. SNR

> 94.9 dB

Noisedensity@1kHz

< 5.09

Noise (with 50Hz FIR filtering)

E_{Noise, PtP}

< 10 ppm_FSV

< 78 [digits]

E_{Noise, RMS}

< 2.0 ppm_FSV

< 16 [digits]

Max. SNR

> 114.0 dB

Temperature coefficient

Tc_Gain

< 15 ppm/K typ.

Tc_Offset

< 5 ppm_FSV/K typ.

Common-mode rejection ratio (without filtering)

DC: < 3 nA/V typ.

50 Hz: < 5  nA/V typ.

1 kHz: < 80  nA/V typ.

Common-mode rejection ratio (with 50Hz FIR filtering)

DC: < 3 nA/V typ.

50 Hz: < 3 nA/V typ.

1 kHz: < 3 nA/V typ.

Largest short-term deviation during a specified electrical interference test

±0.05%_FSV = ±500 ppm_FSV typ.

Input impedance ±Input 1

(Internal resistance)

Differential 200 Ω || 11 nF typ.

CommonMode 1 MΩ || 40 nF typ.

Methodology: Resistor against -U_V, capacitance against SGND

Input impedance ±Input 2

No usage of this input in this mode