H103 Short Stroke Linear Position Sensor

Intrinsically safe linear sensor for reliable displacement measurements in hazardous gas and dust environments. Ideal for OEM applications with space constraints.

Key features

Intrinsically safe for gas and dust zones
Compact sensor with short body length
Non-contact inductive sensing technology
IP67 sealed stainless steel housing
Travel range from 2 to 50 mm
High repeatability and infinite resolution

Performance highlights

The H103 is a high-performance linear position sensor designed for short stroke measurements in challenging environments. With intrinsically safe certification for gas and dust atmospheres, this compact sensor delivers accurate, repeatable measurements using a non-contacting inductive technology, ensuring long service life and durability even in harsh conditions.

Usage conditions

Designed to operate reliably in temperatures from -40°C to +80°C, the H103 is sealed to IP67 and resists vibration (IEC 68-2-6: 10 g) and shock (IEC 68-2-29: 40 g). It is compatible with Althen’s G005 Galvanic Isolation Amplifier, which is required for intrinsic safety compliance.

Possible applications

Hazardous area displacement sensing (Zone 0, 20)
OEM machine integration in compact systems
Valve, actuator and cylinder position monitoring
Oil & gas, mining, and chemical industries
Test stands and automation systems

Advantages of choosing this product

By combining a small footprint, robust stainless steel construction, and ATEX/CSA intrinsic safety approval, the H103 offers engineers a space-saving and secure measurement solution. Factory-set calibration ensures fast integration, while various mounting and plunger options provide design flexibility.

Other important features

CSA, ATEX compliant for Class I, II, III
Ratiometric output (0.5–4.5 V)
Custom travel calibration from 2–50 mm
Optional: spring-loaded, magnetic tip, rod-eye
MTBF of 350,000 hours at 40°C

Do you need this sensor for your next project?

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Not exactly what you are looking for? We offer standard sensors, but can also help you with sensors adapted for you or a fully customised measurement solution. Contact us for advice or pricing.

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Technical Specifications

Specification	Value
Calibrated travel	2 to 50 mm (custom-set)
Output	0.5–4.5 V ratiometric with 5V supply
Linearity	≤ ± 0.25% FSO @ 20°C
Temp coefficient (gain/offset)	< ± 0.01%/°C
Resolution	Infinite
Frequency response	>10 kHz (-3 dB)
Operating temperature	-40°C to +80°C
Storage temperature	-40°C to +125°C
Protection rating	IP67
Intrinsic safety certification	CSA, Ex ia for Gas/Dust (Class I/II/III Division 1)
Supply current	10 mA nominal, 12 mA max
Body material	Stainless steel
Connection options	Cable or M12 connector (3/5 wire)
Mounting options	Flange, rod-eye, body clamp
Plunger types	Free or captive, magnetic tip, spring-loaded dome