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7. Starting, operation
Ratings for the supply circuit U+ and U-:
Maximum input voltage
Maximum input current
Maximum input power
effective internal
capacitance
effective internal
inductance:
Adjustability zero
Response time (10 ... 90%)
Insulation voltage
Accuracy
Non-linearity
Hysteresis
Non-repeatability
1-year stability
Permissible temperature
Medium
Ambience
Storage
Rated temperature range
Temperature coefficients within rated temperature range (actively compensated)
Mean TC of zero
Mean TC of range
30
U
in V
30
i
I
in mA
130
i
P
in mW
835
i
version circular connector M12x1, 4-pin:
C
in nF
i
version flying leads:
version circular connector M12x1, 4-pin:
L
in µH
i
version flying leads:
% of span
-3.5 up to +3.5 (via potentiometer)
ms
≤ 300
VDC
850
≤ 0.15 (≤ 0.4 with pressure ranges ≤ 2 bar) RSS (Root Sum Squares)
≤ 0.3
2)
(≤ 0.6
2)
% of span
2)
Including non-linearity, hysteresis, zero offset and end value deviation (corresponds to
measured error per IEC 61298-2)
≤ 0.1 (≤ 0.15 for pressure ranges ≤ 2 bar) (BFSL) per IEC 61298-2
% of span
% of span
≤ 0.14
≤ 0.12
% of span
≤ 0.25% (typ.) at reference conditions (≤ 0.4 % with measuring ranges ≤ 2 bar)
% of span
T4, version circular connector M12x1, 4-pin
-20 ... +85 °C
-4 ... +185 °F
-20 ... +85 °C
-4 ... +185 °F
-40 ... +100 °C
-40 ... +212 °F
-20 ... +80 °C / -4 ... +176 °F (actively compensated)
≤ 0.1 / 10 K
≤ 0.15 / 10 K
Current output signal
with pressure ranges ≤ 2 bar) per IEC 61298-2
WIKA Operating instructions iWU-2x
19.5
21.9
negligible
12
T4, version flying leads
-20 ... +65 °C
-4 ... +149 °F
-20 ... +65 °C
-4 ... +149 °F
-40 ... +100 °C
-40 ... +212 °F
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