NG

NG2, NG3, NG4
Inclinometers of high measuring accuracy for inclination measurement in the ranges of ±10, ±30 and ±80 degrees with a non-amplified, non-conditioned output signal.

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Features

linear output characteristics
high measurement accuracy
minimal linearity deviation
high long-term stability
hysteresis free output signal
minimal zero point drift
integrated sensor electronics
low power consumption
different output signal options
no interference by ambient electromagnetic fields
shockproof as without moving mechanical parts
hermetically sealed
sensor electrically isolated within the housing from point of measurement - no ground connections
zero point adjustable through 360° using clamping ring

Description

The NG2, NG3 and NG4 are capacitive, liquid based inclinometers with integrated sensor electronics. They are manufactured with an analog DC output. The sensor electronics require only minimal power and are in conjunction with the capacitive primary transformer characterized by high accuracy and high long-term stability.
The measurement technique enables a linear relationship between the angle to be measured and the output signal. The determined angle is independent of the local gravitational acceleration, that means that no matter where the measurement is being taken, whether in Europe, Australia, on Mount Everest or on the moon, the inclination will be measured correctly anywhere.

Application

The inclinometers NG2, NG3 and NG4 are suitable for applications requiring high measurement accuracy with low linearity deviations and high long-term stability for measurement of relatively large inclination angles.
Typical areas of application include construction, mining, vehicles, surveying equipment, aircraft, transportation and conveyor systems as well as ships.

Technical Specifications

Typ	NG2	NG3	NG4
Measuring range	±10 degrees	±30 degrees	±80 degrees
Resolution	<0.001 degrees	<0.003 degrees	<0.01 degrees
Linearity deviation	<0.1% of measuring range
Transverse sensitivity	<0.5% at 45° tilt
Settling time	approx. 0.3 seconds
Mechanical overload resistance	10 000 g (approx. 100 000 m/s²)
Supply voltage U_bN (regulated)	5V
Permissible supply voltage range U_bz	3V ... 6V
Current drawn at U_b= 5V	approx.1mA
Degree of protection	IP65
Operating temperature	-40°C ... +85°C
Storage temperature	-45°C ... +90°C
Weight (without clamping ring or cable)	approx. 110 grams
Electrical connection	0.5m shielded cable Ø 4.6mm
Values for analog DC output at U_bN = 5 Volt
Sensitivity	approx.10mV/degree	approx.7mV/degree	approx.4.5mV/degree
Temperature drift of sensitivity	<-0.12%/K
Temperature drift of zero point	<0.01mV/K
Zero offset at Ub=5V	(2,5±0,1)Volt - generally: 0,5Ub±4%
Output impedance	10 kOhm

Dimensions (in mm) and Connections

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SEIKA Mikrosystemtechnik GmbH - Söllerweg1- D 87487 Wiggensbach - email: seika@seika.de - Tel.+49 8370 9290070 - FAX:+49 8370 9290079

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