Hydac ENS 3000 User Manual download pdf (Page 22)

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

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Hydac ENS 3000 User Manual Page 22

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