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LIPS X117 Slim-Line Linear Position Sensor Intrinsically Safe for Hazardous Gas/Vapour Atmospheres

Position Sensor X117
  • Intrinsically safe for Gas to: Ex II 1G
  • Non-contacting inductive technology to eliminate wear
  • Travel set to customer’s requirement
  • Compact 19 mm diameter body, durable and reliable
  • Sealing to IP67

This X117 LIPS® (Linear Inductive Position Sensor) incorporates electronics system EX04 which is ATEX approved for use in potentially explosive gas/vapour atmospheres. The X117 is designed for industrial and scientific feedback applications and is ideal for OEMs seeking good sensor performance for arduous applications in hazardous areas.

Overall performance, repeatability and stability are outstanding over a wide temperature range. The unit is very compact and space-efficient with a small 19 mm diameter body. The sensor is very robust, the body and push rod being made of stainless steel. The sensor is easy to install with mounting options including M5 male stud and M5 rod eye bearing. The push rod can be supplied free or captive, with male M5 thread or M5 rod eye. Like LIPS® sensors, the X117 provides a linear output proportional to displacement. Each unit is supplied with the output calibrated to the travel required by the customer, from 10 to 300 mm and with full EMC protection built in. The X117 offers a range of mechanical options, environmental sealing is to IP67.

Sensor must be used in conjunction with Galvanic Isolation Amplifier X005!
Sensor and Galvanic Isolation Amplifier X005 have to be calibrated altogether in factory!



Measurement Range:

0 … 10 mm to 0 … 300 mm, factory-set, in increments of 1 mm

Power Supply
(via Galvanic Isolation Amplifier X005):

+5 VDC nom. ±0.5 V, 10 mA typ, 20 mA max.

Output Signal
(to Galvanic Isolation Amplifier X005):

0.5 … 4.5 V ratiometric, load min. 5 kΩ

Independent Linearity at 20 °C:

<±0.25 %

Temperature Coefficient Gain:

<±0.01 %/K

Temperature Coefficient Offset:

<±0.01 % FS/K

Frequency Range:

0 … >10 kHz (-3 dB)




<0.02 % FSO

Intrinsic Safety:

Ex II 1G EEx ia IIC T4 (Ta = -40 … +80 °C)

    Sensor Input Parameters:

Ui = 11.4 V, Ii = 0.20 A, Pi = 0.51 W

    Connector Option:

Ci = 1.16 µF, Li = 50 µH

    Cable Option:

Ci = 1.36 µF, Li = 710 µH, cable length max. 1000 m

Operating Temperature Range:

-40 … +80 °C

Storage Temperature Range:

-40 … +125 °C

Environmental Sealing:


EMC Performance:

EN61000-6-2, EN61000-6-3

Vibration, max.:

IEC 68-2-6: 10 g

Shock, max.:

IEC 68-2-29: 40 g


350000 hours, 40 °C, Gf

Electrical Connection:

Connector or 0.5 m cable


Body diameter: 19 mm
Body length
   axial versions: measurement length + 109.7 mm
   radial cable version: measurement length + 115 mm
   radial connector version: measurement length + 118.5 mm

LIPS Characteristics


Galvanic Isolation Amplifier



Output signal 4 ... 20 mA


Output signal 20 ... 4 mA


Output signal 0.5 ... 9.5 V


Output signal 9.5 ... 0.5 V

Connector / Cable Options



axial connector, IP67


radial connector, IP67


Cable with axial gland, IP67, 50 cm


Cable with radial gland, IP67, 50 cm


Other cable lengths up to max. 15000 cm available

Other Options



M5 eye rod bearing on body (radial versions only)


M5 eye rod bearing on push rod


free push rod (non-captive)


Dimensions of position sensor X117

All dimensions in mm, approx. values.
These drawings are for information only and not intended for construction purpose. Please ask for detailed drawings.

Electrical Connection

Cable (Options Lxx or Ixx):
3-core screened PUR cable, 0.2 mm², Ø 4 mm, standard length 50 cm, max 150 m

Connector: maximum conductor cross section 0.75 mm²


Cable Connector


Pin 1

+supply voltage


Pin 3

0 V


Pin 2



Pin 4


It is imperative position sensor LIPS X117 be used in conjunction with a galvanic barrier X005.

The Galvanic Isolation Amplifier X005 will compensate for up to 15 Ohms resistance in each conductor, this imposes the following minimum cable sizes:

Cross section: cable length
0.25 mm²: up to 150 m
0.5 mm²: 150 … 300 m
0.75 mm²: 300 … 450 m
1.0 mm²: 450 … 600 m
1.5 mm²: 600 … 900 m
2.0 mm²: 900 … 1000 m

Note: The maximum cable length as specified in the sensor’s certification takes precedence and must not be exceeded.

For cable lengths exceeding 10 m a 5-wire connection is recommended to eliminate errors introduced by cable resistance and associated temperature coefficients. (see data sheet Amplifier X005)

Intrinsic Safety

Intrinsically safe equipment is defined as “equipment which is incapable of releasing sufficient electrical or thermal energy under normal or abnormal conditions to cause ignition of a specific hazardous atmosphere mixture in its most easily ignited concentration.”

ATEX IECEx approved to: Ex II 1G
Ex ia IIC T4 Ga (Ta = -40 … +80 °C)
Designates the sensor as belonging to:
     Group II: suitable for all areas except mining
Category 1G: can be used in areas with continuous,
long or frequent periods of exposure
to hazardous gas (Zone 0)
Protection class ia: intrinsically safe for all zones
Apparatus group IIC: suitable for IIA to IIC explosive gas
Temperature class T4: maximum surface temperature under fault conditions 135 °C
Ambient temperature range Ta: extended to -40 … +80 °C

It is imperative LIPS/RIPS Series intrinsically safe sensors be used in conjunction with a galvanic barrier to meet the requirements of the product certification. The X005 Galvanic Isolation Amplifier is purpose made for LIPS and RIPS sensors. Refer to the X005 datasheet for product specification and output configuration options.

Safety Parameters:
    Ui: 11.4 V, Ii: 0.20 A, Pi: 0.51 W
    Ci = 1.36 μF* Li = 860 μH* (cable version)
    Ci = 1.16 μF Li = 50 μH (connector version)
    *Figures for 1 km cable Ci = 200 pF/m and Li = 810 nH/m

Sensors can be installed with a maximum of 1000 m of cable. Cable characteristics must not exceed:
    Capacity: ≤200 pF/m for max. total of: 200 nF.
    Inductivity: ≤810 nH/m for max. total of: 810 μH

For cable lengths exceeding 10 metres a five wire connection is recommended to eliminate errors introduced by cable resistance and associated temperature coefficients. Further Information

ATEX approved sensors suitable for dust and mining applications are also available:

E117: Ex II 1GD, Position Sensors for use in potentially explosive gas/vapour and dust atmospheres.
M117: Ex I/II M1 / 1GD, Position Sensors for use in potentially explosive gas/vapour, dust and mining environments.