X101 Linear Position Sensor Positek

Description

The Positek X101 stand alone linear position sensor is ATEX and IECEx approved for use in potentially explosive gas/vapour atmospheres. It is designed for industrial and scientific feedback applications and is ideal for OEMs seeking good sensor performance for arduous applications in hazardous areas. The unit is highly compact and space-efficient, being responsive along almost its entire length.

The X101 stand alone linear position sensor, like all Positek® sensors, provides a linear output proportional to displacement. Each unit is supplied with the output calibrated to the travel required by the customer, from 0-5mm to 0-800mm and with full EMC protection built in. The sensor is very robust, the body and push rod being made of stainless steel for long service life and environmental resistance.

Overall performance, repeatability and stability are outstanding over a wide temperature range. The sensor is easy to install with mounting options including M5 rod eye bearings and body clamps. The push rod can be supplied free or captive, with female M5 thread, an M5 rod eye, or dome end, Captive push rods can be sprung loaded, in either direction, on sensors up to 300mm of travel. Environmental sealing is to IP65 or IP67, depending on selected cable or connector options.

Positek intrinsically safe sensors are designed to be used with a galvanically isolated amplifier. Approved galvanic isolation amplifiers (X005) 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.

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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 0-5mm to 0-800mm 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	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
Connector - Radial, IP67, M12 4 pin	K
Cable with axial M12 gland, IP67	L (3 core cable) LQ (5 core cable)
Cable with axial short gland, IP67	M (3 core cable) MQ (5 core cable)
Cable with PG9 gland Radial, Gland, IP67	I (3 core cable) IQ (5 core cable)
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 15,000cm	Specified in cm after the L/LQ, M/MQ or I/IQ e.g. L200 for 200cm cable from axial cable gland

Mounting Options

Option	Option Code
M5 rod eye on body (only with option "I" or "K")	N
Body Clamps (1 pair)	P
Body Clamps (2 pairs)	P2
M5 rod eye on push rod	U

Push Rod Options

Option	Option Code
Spring loaded (extended) (up to 300mm stroke - for longer strokes please contact Positek)	R
Spring loaded (retracted) (up to 300mm - for longer strokes please contact Positek)	S
Dome end on push rod (only with option "R")	T
Non-captive push rod	V

<+/-0.1% FSO Linearity error (10mm minimum stroke length)

Option Code
Z650

Intrinsic Safety

ATEX/IECEx approval

The sensor is ATEX/IECEx approved to:
Ex II 1G
Ex ia IIC T4 GA (Ta = -40°C to +80°C).
This designates the sensor as belonging to; Group II: suitable for all areas except mining, Category 1 G: can be used in areas with continuous, long or frequent periods of exposure to hazardous gas (Zone 0). Protection class ia, denotes intrinsically safe for all zones. Apparatus group IIC: suitable for IIA to IIC explosive gas. 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

Intrinsically safe sensors must be used with a galvanically isolated amplifier with safety parameters not exceeding:- Ui: 11.4V, Ii: 0.2A, Pi: 0.51W. Sensor can be installed with a cable length up to 1000m maximum from the amplifier, cable capacitance and inductance can be up to:- Capacitance: 200 nF max, Inductance: 810 μH max.
Approved amplifiers are available from Positek; there is a choice of 0.5-9.5V or 4-20mA transmission outputs.

Dimensions

Body Diameter	35mm
Body Length (Axial version)	Measurement length +163mm
Body Length (Radial version)	Measurement length +186mm
Push Rod Extension	Measurement length +9mm
Push Rod Outside Diameter	9.5mm
Travel	Any stroke from 0-5mm to 0-800mm (e.g. 305mm)
Independent Linearity	<±0.25% up to 450mm <±0.50% over 450mm at 20°C < ±0.1 % option available
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

Other

EMC Susceptibility	EN 61000-6-2
EMC Radiated	EN 61000-6-3
Vibration	IEC 68-2-6: 10g
Shock	IEC 68-2-29: 40g
MTBF	350,000 hrs 40°C Gf
Sealing	IP65 (connector) / IP67 (cable)
Electrical Connections	Screened cable or integral connector

DATA SHEET

BODY CLAMPS

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