HYDAC ENS 3000 - Manual (Page 22)

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12. Technical specifications
12.1 ENS 3000 WITHOUT TEMPERATURE SENSOR
Input data: ENS 3000
Fluid level sensor:
Sensor type capacitive fluid level sensor
Probe length 9.80, 16.20, 20.50, 28.40 inch
Active zone 6.70, 10.25, 14.15, 23.20 inch
Inactive zone 3.10, 5.95, 6.35, 5.20 inch
Max. speed of change in fluid level 9.80 inch: 1.57 inch/s
16.20 inch: 2.36 inch/s
20.50 inch: 3.15 inch/s
28.40 inch: 3.94 inch/s
Repeatability ≤ 2% FS
Switching point accuracy ≤ 2% FS
Analogue outputs:
Analogue output (optional)
For 1 or 2 SP: user selectable
0 .. 10 V (ohmic resistance min.1 kΩ) or
4 .. 20 mA (ohmic resistance max. 500 Ω)
corresponding in each case to the selected
measurement range
Switching output 1 or 2
Type PNP transistor output
Programmable as N/O or N/C
Switching current 1 or 2 SP: max. 1.2 A each
Switching cycles > 100 million
Ambient conditions:
Ambient temperature range 32 .. +140 °F
Operating temperature range 32 .. +140 °F
Storage temperature range -40 .. +176 °F
Fluid temperature range 32 .. +140 °F **
- mark EN 61000-6-1/ 2/ 3/ 4
Vibration resistance approx. 5 g
Shock resistance approx. 25 g
Other data:
Max. tank pressure
7 psi short-term 40 psi(t < 1 min)
Supply voltage 18 .. 35 V with analogue output
9 .. 35 V without analogue output
Protection class IP 67
Fluids Hydraulic oils (mineral based),
synthetic oils, fluids containing water ***
Components in contact with the fluid ceramic
Display 4 digit, 7-segment LED, red,
height of digits 0.28 inch
Residual ripple supply voltage ≤ 5 %
Protection against reverse polarity of the
supply voltage, excess voltage, override and
short-circuit protection provided
FS = Full Scale = relative to the full measuring range
* specified for calm, non-turbulent fluid
** larger temperature range on request
*** other fluids on request