E103 Short Stroke Linear Position Sensor
ATEX & IECEx approved intrinsically safe sensors for hazardous dust environments
This sensor at a glance
Available in any measurement range from 0-2mm to 0-50mm
(for 51-100mm range see E133)
Longer operating life than a potentiometer
Fast delivery options available
Body Diameter: 35mm
Sensor Mounting: Flange
Spring loaded pushrod option available
Sealed to IP67
< ±0.1% option available
Temperature range: -40°C to +80°C
The intrinsically safe E103 is ATEX and IECEx approved for use in potentially explosive gas/vapour and dust atmospheres. It is designed for a wide range of industrial applications and is ideal for OEMs seeking good sensor performance in situations where a short-bodied sensor is required for operation in hazardous areas. The unit is compact and space-efficient, being responsive along almost its entire length, and 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 0-2mm to 0-50mm and with full EMC protection built in.
Overall performance, repeatability and stability are outstanding over a wide temperature range. The sensor has a rugged stainless steel body and plunger. It is easy to install and set up, the stainless steel mounting flange has two 4.5mm by 30 degree wide slots on a 48mm pitch. The plunger can be supplied free or captive, with female M4 thread, or spring-loaded with a ball end. The E103 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.
The sensor is ATEX/ IECEx approved to:
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
|Body Length (Flanged)||See Drawing|
|Body Length (Unflanged)||See Drawing|
|Push Rod Outside Diameter||6mm|
|Travel||Any stroke from 0-2mm to 0-50mm (e.g. 35mm)|
|Independent Linearity||<±0.25% at 20°|
<±0.1% available on request
|Temperature Coefficient||<±0.01%/°C Gain & <±0.01%FS/°C Offset |
|Operating||-40 to +80°C|
|Storage||-40 to +125°C|
|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|
|Electrical Connections||Screened cable or integral connector|
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:
Factory set to any length from 0-2mm to 0-50mm in increments of 1mm. For example, if your application requires 3/4" (19 mm) measurement, then Positek will manufacture the sensor specifically for this length. The mechanical length and calibration will be set up for 19 mm.
|Connector IP67, M12, 4 pin||J|
|Cable with axial M12 gland, IP67||L (3 core cable)|
LQ (5 core cable)
(click for more information)
|Cable with axial short gland, IP67||M (3 core cable)|
MQ (5 core cable)
(click for more information)
|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|
|Spring loaded (extended)||R|
|Dome end on plunger||T|
|Non captive plunger (not with options "R" or "T")||V|
|<+/-0.1% FSO Linearity error (≥10mm stroke length)||Option Code|