3-2
EB 4749 EN
Design and principle of operation
3.2
Technical data
Type 4749 Position Transmitter
Measuring range
Measurement method
Magnetoresistive measuring system
Measured travel for
Direct attachment to Type 3277:
3.6 to 30 mm
Attachment according to IEC 60534-6 (NAMUR):
5 to 300 mm
Attachment according to VDI/VDE 3847:
5 to 300 mm
Attachment to rotary actuators:
24 to 100°
Power supply
Input voltage
12 to 36 V DC
Output
4 to 20 mA · Two-wire device, reverse polarity protection
Residual current
≤3.6 mA
Permissible load R
B
in Ω
R
B
= (U
B
– 12 V)/0.020 A
Static destruction limit
38 V DC, 30 V AC
Power consumption
<0.2 W
Measuring accuracy
Reference conditions
Calibrated with U = 24 V DC, T
U
= 20 °C
Zero error
<0.1 % according to DIN EN 60770
Hysteresis
≤0.1 % according to DIN EN 60770
Nonlinearity
<0.3 % according to DIN EN 60770
Effect of supply voltage on
zero and span
<0.05 % according to DIN EN 60770
Effect of ambient tempera-
ture on zero and span
<0.1 %/10 K according to DIN EN 60770
Long-term stability
<0.1 % according to DIN EN 60770
Start-up time
1200 ms
Output rate
1 ms
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