G623 Submersible IP68 Large Angle Tilt Sensor

Description

The Positek G623 submersible large angle tilt sensor 350bar is CSA approved for use in potentially explosive gas/vapour atmospheres. The G623 submersible large angle tilt sensor is designed for industrial and scientific feedback applications and is ideal for OEMs seeking good sensor performance for arduous applications in hazardous areas.

It is sealed to IP68 350bar (5000psi, 3500m depth).

The G623, like all Positek® sensors, is supplied with the output calibrated to the angle required by the customer, between 15 and 160 degrees and with full EMC protection built in. The sensor provides a linear output characteristic with angle of deflection. There is a machined registration mark to identify the calibrated mid point.
Overall performance, repeatability and stability are outstanding over a wide temperature range.

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.

It is imperative Positek® instrinsically safe sensors be used in conjunction with a galvanic barrier to meet the requirements of the product certification.

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 ±7.5° 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

Option	Option Code
Axial micro wet mate bulkhead and mating connector with 50cm flying head (standard fit). Mating connector with longer cables available as special.	J50
Radial micro wet mate bulkhead and mating connector with 50cm flying head (standard fit). Mating connector with longer cables available as special.	K50

Intrinsic Safety

CSA approval

This sensor is 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.

Dimensions

Body Diameter	40mm
Body Length (to seal face)	81mm See Drawing
Measurement range	Any angle from ±7.5° to ±80°
Independent Linearity/Hysteresis (combined error)	<±0.25°
Temperature Coefficient	<±0.01%/°C Gain & <±0.01%FS/°C Offset
Response Time	250mS at 20°C typical
Damping Ratio	0.2:1 (0.6 nom at 25°C)
Resolution	Infinite
Noise	<0.02% FSO

Temperature Limits

Operating	-4 to +50°C
Storage	-4 to +50°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	IP68 350bar, 5000psi, 3500m
Electrical Connections	Micro wet mate connector

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