Key features

High gain range ±0.0115°–±0.00115°
With two switchable gains and low-pass filter settings
Ultra-high sensitivity down to <2.5 nrad

About the A603 High-Precision Platform Inclinometer

– platform-mounted tilt sensor for ultra-fine tilt and deformation measurements

The A603 Platform Inclinometer is a highly precise, rugged tilt measurement instrument for demanding monitoring and leveling tasks. It uses an absolute, gravity-referenced electrolytic sensor and features two switchable gains as well as two low-pass filter settings—ideal for tailoring measurement behavior and signal smoothing to your application.

Why A603?

In geophysical and metrology applications, every nanoradian matters: the A603 achieves ultra-high sensitivity down to < 2.5 nrad with virtually no long-term drift. The output signal is a stable ±8 VDC (or ±16 VDC differential)—perfect for precise data acquisition and long-term monitoring.

Benefits

Absolute gravity-referenced electrolytic sensor for maximum stability
Two switchable gains + two low-pass filter settings for flexible signal optimization
Very high resolution (depending on version, down to < 2.5 nrad)
2-axis measurement (X/Y) + temperature channel
Rugged design for continuous field measurements and industrial environments

Typical applications

The A603 is the preferred solution for:

Volcano monitoring
High-precision geotechnical applications
Bridge deflection/deformation monitoring
Precision metrology
Radar platform leveling and other high-accuracy tilt monitoring tasks

Technical highlights

Output: ±8 VDC (single-ended), ±16 VDC (differential)
Axes: 2 (X-tilt, Y-tilt) + temperature
Filter / time constant: filter ON 7.5 s, OFF 0.5 s
Supply: ±11 to ±15 VDC (reverse polarity protected)
Operating temperature: −25 °C to +70 °C

Versions / selection guide

Depending on the required sensitivity and measurement range, several versions are available, including:

A603-A (High Gain)
A603-B
A603-C (Ultra-High Gain)

RoHS versions are available to order (A603-A-ROHS / A603-B-ROHS / A603-C-ROHS).

Do you need this sensor for your next project?

Request a no-obligation quote or send us your contact details for a free, no-obligation consultation. Our sales engineers will then contact you within a maximum of 1 to 2 working days.

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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
Dimensions	24 x 24 x 12.7 cm
High-gain range	±0.0115°- ±0.00115°
Housing	Anodized & painted aluminum
Low-gain range	±0.115°
Output	±8 VDC (single-ended), ±16 VDC (differential)
Power requirement	±11 to ±15 VDC @ +11 and -6mA
Resolution	<25 nradians - <2.5 nradians
Temperature range	-25 to +70°C

A603 High Precision Platform-Mount Tiltmeter