G100 Cylinder Linear Position Sensor


CSA Approved Intrinsically Safe sensors for Hazardous GAS atmospheres
Available in any travel from 5mm to 800mm.



The Positek G100 LIPS® (Linear Inductive Position Sensor) incorporates electronics system EX06 which is CSA approved for use in potentially explosive gas/vapour atmospheres. The G100 is designed for demanding hydraulic or pneumatic cylinder position feedback applications where service life, environmental resistance and cost are important 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 highly compact and space-efficient, being responsive along almost its entire length. Like all Positek® sensors, the G100 provides a linear output proportional to displacement. Each unit is supplied with the output calibrated to the travel required by the customer, from 5mm to 800mm and with full EMC protection built in.


Positek intrinsically safe sensors are designed to be used with a galvanically isolated amplifier .  Approved galvanic isolation amplifiers (G005) are available from Positek; there is a choice of 0.5-9.5V or 4-20mA transmission outputs.

The sensor can be installed with a cable length up to 1km between the sensor and the amplifier.


Specification

Intrinsic Safety

 

CSA approval

CSA approved to; Class I, Zone 0 Ex ia IIC T4 (Ta = -40°C to +80°C) AEx ia IIC T4 (Ta = -40°C to +80°C) Designates the sensor as belonging to; Class I, Zone 0: suitable for all areas except mining, : can be used in areas with continuous, long or frequent periods of exposure to hazardous gas / vapours. Protection class ia IIC, denotes intrinsically safe for Zones 0, 1 & 2 and IIA, IIB and IIC explosive gases. Temperature class T4: maximum sensor surface temperature under fault conditions 135°C. Ambient temperature range extended to -40°C to +80°C. Approval only applies to the specified ambient temperature range and atmospheric conditions in the range 0.80 to 1.10 Bar, oxygen <=21%.

Galvanic Isolation Amplifier

It is imperative Positek® intrinsically safe sensors be used in conjunction with a galvanic barrier to meet the requirements of the product certification. The Positek G005 Galvanic Isolation Amplifier is purpose made for Positek IS sensors making it the perfect choice. Refer to the G005 datasheet for product specification and output configuration options.


The Positek® G005 Galvanic Isolation Amplifier is available with 0.5 - 9.5V or 4 - 20mA transmission output options or reverse outputs of 9.5 - 0.5 volts or 20 - 4 mA.

Sensor Specification

 

Dimensions

 

Body Diameter

35mm

Body Length (to seal face)

43mm

Probe Length (from seal face)

Measurement length + 58mm

Target Tube Length

Measurement length +30mm, ID 7.7mm, OD 9.45mm

 

 

Travel

any stroke from 5mm to 800mm (eg 305mm)

Independant Linearity

<±0.25% up to 450mm <±0.50% over 450mm at 20°C
<±0.1% up to 400mm available on request

Temperature Coefficient

<±0.01%/°C Gain & <±0.01%FS/°C Offset

Resolution

Infinite

Noise

<0.02% FSO

Frequency Response

>10KHz (-3dB)

 

 

Temperature Limits

 

Operating

-40 to + 80°C

Storage

-40 to + 125°C

EMC Performance

 

Susceptibility

EN 61000-6-2

Radiated

EN 61000-6-3

 

 

Vibration

IEC 68-2-6: 10g

Shock

IEC 68-2-29: 40 g

MTBF

350,000 hrs 40°C Gf

Hydraulic Pressure

350 Bar

Sealing

IP65/IP67(connector) / IP67(cable)

 

 

Electrical Connections

Screened 3 core cable or integral connector

Target

A non-magnetic target tube is supplied with the sensor. This can be eliminated if the piston rod is made from non-magnetic steel and is drilled to a specified tolerance.

Dimensions

Refer to drawings below.

Outline

Click for pdf 
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Typical Installation in Cylinder

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Sealing Details

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Target Details Fitting

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Datasheet Click for pdf
Installation Sheet Click for pdf


Preferences

Positek offers a range of options for its standard sensors.
Each sensor is manufactured to suit each customer's preferences.
If your requirement is outside the options given below,
Positek can modify/ redesign a sensor to suit your specific requirement.
Standard options are available as below:

 

Measurement range:

Factory set to any length from 5mm to 800mm in increments of 1mm.
For example, if your application requires 10" (254 mm) measurement
then Positek will manufacture the sensor specifically for this length.
The mechanical length and calibration will be set up for 254 mm.


Connector/Cable Options:

Option code
Connector - Hirschmann GD series Axial, IP65
J
Connector - Axial, IP67, M12 - 4 pin. Without trim adjustment
J + Z600
Connector - Axial, IP67, M12 - 4 pin.
With trim adjustment
J + Z601
Cable with short gland Axial, Gland, IP67
M
Cable with M12 gland Axial, Gland, IP67
L
Cable length - The standard length of cable supplied with a Positek position sensor is 50cm although you can specify any length you require, up to a maximum of 15000cm.
Specified in cm after the L or M
e.g. L200 for 200cm cable from axial cable gland

The sensor can be supplied without access to the two trim pots (gain and offset) with the adjustment holes sealed.
Option code

Y

Mounting Thread Size Options:
Option code
M18
T
M20
N
3/4" UNF
P

Target Flange Options (see drawing TG24-11):
Option code
Penny and Giles HLP100
V
Temposonics (M4 fixing)
W
Parker Hannifin Cylinder Version
X

<+/-0.1% FSO Linearity error (<400mm Stroke)
Z650

 

Click Here For Approved Galvanic Isolation Amplifier Options

 

 

Free Design Service

If you need a position sensor that is outside the scope of the above options to suit your installation requirement or specification, Positek will be happy to modify or create a new design to suit your needs


Contact Positek Technical Department - Click Here


 

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  Positek Limited

L6 The Link   Andoversford Industrial Estate   Cheltenham   Glos GL54 4LB   UK
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