Measurement ±20 mA, 0...20 mA, 4...20 mA, NE43

Measuring range, nominal

‑20…+20 mA

0…20 mA

4…20 mA

4…20 mA

Measuring range, end value (FSV)

20 mA

Measuring range, technically usable

‑21.474…+21.474 mA, overcurrent-protected

0…21.474 mA, overcurrent-protected

0…21.179 mA, overcurrent-protected

3.6…21 mA, overcurrent-protected

Fuse protection

Internal overload limiting, continuous current resistant

PDO resolution
(including sign)

24 bit

PDO LSB (Extended Range)

2.56 nA

2.048 nA

PDO LSB (Legacy Range)

2.384.. nA

1.907.. nA

n.a.

Basic accuracy: Measuring deviation at 23°C, with averaging, typ. ¹⁾

< ±0.008 %, < ±80 ppm_FSV

< ±1.6 µA

Extended basic accuracy: Measuring deviation at 0 to 60°C, with averaging, typ. ^{1) 6)}

< ±0.018 %, < ±180 ppm_FSV

< ±3.6 µA

Offset/Zero point deviation (at 23°C) ¹⁾

E_Offset

< 15 ppm_FSV

Gain/scale/amplification deviation (at 23°C) ¹⁾

E_Gain

< 60 ppm

Non-linearity over the whole measuring range ¹⁾

E_Lin

< 45 ppm_FSV

Repeatability, over 24 h, with averaging ¹⁾

E_Rep

< 10 ppm_FSV

Temperature coefficient, typ.¹⁾

Tc_Gain

< 5 ppm/K

Tc_Offset

< 0.5 ppm_FSV/K

< 10 nA/K

Common-mode rejection ratio (without filter) ²⁾

DC:
< 3 nA/V typ.

50 Hz:
< 5 nA/V typ.

1 kHz:
< 80 nA/V typ.

Common-mode rejection ratio (with 50 Hz FIR filter) ²⁾

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 ²⁾

±0.05 % = 500 ppm_FSV typ.

Input impedance ±Input 1

(internal resistance)

Differential typ. approx. 150 Ω || 11 nF

CommonMode typ. approx. 40 nF against SGND

Common-mode voltage U_cm

max. ±10V

related to –Uv (internal ground)

Noise (without filtering)

E_{Noise, PtP}

< 165 ppm_FSV

< 1289 digits

< 3.30 µA

E_{Noise, RMS}

< 25 ppm_FSV

< 195 digits

< 0.50 µA

Max. SNR

> 92.0 dB

Noisedensity@1kHz

< 22.36

Noise (with 50 Hz FIR filter)

E_{Noise, PtP}

< 39 ppm_FSV

< 305 digits

< 0.78 µA

E_{Noise, RMS}

< 6.5 ppm_FSV

< 51 digits

< 130.00 nA

Max. SNR

> 103.7 dB