HYDAC ENS 3000 User Manual
Page 23
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23
12.2
ENS 3000 WITH 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
Temperature:
Sensor type
Semi-conductor temperature sensor
Measuring range
-13 .. + 212 °F
Accuracy
± 34.7 °F
Reaction speed (T
90
) 180s
Outputs:
Analogue output (optional)
With 1 or 2 SP: user selectable
0 .. 10 V (ohmic resistance min.1 kΩ) or
4 .. 20 mA (ohmic resistance max. 500 Ω)
With 4 SP:
0 .. 10 V (ohmic resistance min.1 kΩ)
corresponds to measuring range
Switching output
1 or 2 or 4
Type PNP
transistor
output
Programmable as N/O or N/C
Assignment of switching output
Temperature or fluid level (user selectable)
Switching current
1 or 2 SP: max. 1.2 A each
4 SP:
max. 0.25 A each
Switching cycles
> 100 million
Ambient conditions:
Ambient temperature
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
Type of protection
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
Supply voltage residual ripple
≤ 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