Positek E500 industrial rotary position sensor

E500 Industrial Rotary Position Sensor

The Positek E500 is ATEX and IECEx approved for use in potentially explosive gas/vapour and dust 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 E500, like all Positek® sensors, is supplied with the output calibrated to the angle required by the customer, between 16 and 160 degrees and with full EMC protection built in. The sensor provides a linear output proportional with angle of rotation. There is a machined registration mark to identify the calibrated mid point. Overall performance, repeatability and stability are outstanding over a wide temperature range. The E500 has long service life and environmental resistance with a rugged stainless steel body, flange and shaft. The flange or servo mounting options make the sensor easy to install, it also offers a range of mechanical options. Environmental sealing is to IP67.

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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Description

The Positek E500 industrial rotary position sensor is ATEX and IECEx approved for use in potentially explosive gas/vapour and dust 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 E500 industrial rotary position sensor, like all Positek® sensors, is supplied with the output calibrated to the angle required by the customer, between 16 and 160 degrees and with full EMC protection built in. The sensor provides a linear output proportional with angle of rotation. There is a machined registration mark to identify the calibrated mid point. Overall performance, repeatability and stability are outstanding over a wide temperature range. The E500 has long service life and environmental resistance with a rugged stainless steel body, flange and shaft. The flange or servo mounting options make the sensor easy to install, it also offers a range of mechanical options. Environmental sealing is to IP67.

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 ±8° to ±80° in increments of 1°. For example, if your application requires 90° measurement, then Positek will manufacture the sensor specifically for this angular range. The sensor will measure 90° however will still rotate through 360°.

 

 

Connector/Cable Options

Option Option Code
Connector - Axial, IP67, M12, 4 pin J
Cable with axial 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 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 or M/MQ e.g. L200 for 200cm cable from axial cable gland

 

Mounting Options

Option Option Code
Flanged housing Blank
Servo mount P

 

<+/-0.1% FSO Linearity error (100° max) Option Code
Z650

Intrinsic Safety

ATEX/IECEx approval

The sensor is ATEX/ IECEx approved to:
Ex II 1GD
Ex ia IIC T4 Ga (Ta = -40°C to + 80°C )
Ex ia 111C T135°C Da (Ta = -40°C to + 80°C ).
This designates the sensor as belonging to; Group II: suitable for all areas except mining, Category 1 GD: can be used in areas with continuous, long or frequent periods of exposure to hazardous gas (Zones 2 to 0) and dust (Zone 20).

Gas:
Protection class ia, denotes intrinsically safe for all zones.
Apparatus group IIC: suitable for IIA, IIB and IIC
explosive gases.
Temperature class T4: maximum sensor surface
temperature under fault conditions 135°C .

Dust:
T135°C: 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 (to seal face) 44mm
Shaft 15mm, OD 6mm
Measurement range Any angle from ±8° to ±80°
Independent Linearity <±0.25% up to 100° at 20°C
<±0.1% available on request
Temperature Coefficient <±0.01%/°C Gain & <±0.01%FS/°C Offset 
Resolution Infinite
Noise

<0.02% FSO
Shaft Torque <20mNm static
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 IP67
Electrical Connections Screened 3 core cable or integral connector

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