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Jewell Instruments
A875 Mini MEMS Tuff Tilt, 0.5 - 4.5V Output

A875 Mini MEMS Tuff Tilt, 0.5 - 4.5V Output

Product catalog summary

Overview: The Model A875 Mini "Tuff Tilt" Analog Tiltmeter by Jewell Instruments is a compact and durable device designed for high precision angle measurement. It utilizes MEMS technology to provide accurate measurements with minimal long-term drift and a resolution of 0.05°. The device outputs an analog voltage range of 0.5-4.5 Vdc and is rated IP67 for waterproof protection, making it suitable for various applications including structural monitoring and platform leveling. It is also RoHS compliant.

Specifications:

Angular Range: ±5°, ±15°, ±30°
Resolution: 0.05°
Output Voltage Range: 0.5-4.5 Vdc
Scale Factor: Varies with angular range, with specific values provided for each range
Temperature Coefficients: Scale Factor Temp Coefficient is ±150 ppm/°C max; 0° Temp Coefficient is ±0.005 V/°C max
Non-linearity: 2% FRO max
Nonrepeatability: 0.002° max
Transverse Axis Misalignment: ±1° max
Relative Accuracy: Varies with angular range, with specific values provided for each range
Bandwidth: <1 Hz (-3 dB)
Start Up Time: 5 seconds max
Response Time: 0.3 seconds max

Electrical & Environmental:

Number of Axes: 1 or 2
Input Voltage Range: 9 - 30 Vdc max
Input Current: 15 mA @ 24V max
Output Noise: 0.006 Vrms max
Output Impedance: 10 Ohms nom
Operating Temperature Range: -40 to +85°C
Storage Temperature Range: -50 to +105°C
Shock Resistance: 500 g, 1 msec, ½-sine
Weight: 210 grams (7.4 oz.)
Seal: IP67
Cable: 2 M (6.6 ft), flying leads

Wiring Instructions:

Output is linear with change in degrees tilt.
Zero Function: Short green and black wires at power-on for 3 seconds and release.
Do not short wires in operation mode.
Wire Color Functions:
- Red: +Power
- Black: Ground
- Green: Zero Cal.
- White: X-Out
- Brown: Y-Out

Mounting Options:

Straight Mounting Bracket
Right Angle Mounting Bracket

Ordering Information:

Model 875-SMB: Straight Bracket (Part Number 879851-01)
Model 875-RAMB: Right Angle Bracket (Part Number 879851-01)

Catalog excerpts

A875 Mini MEMS Tuff Tilt, 0.5 - 4.5V Output-1

deUIBH Instruments The model 875 Mini "Tuff Tilt" Tiltmeter combines high precision and durability in a miniaturized and economical instrument package. Using MEMS technology, the 875 delivers superior measurement accuracy with virtually no long-term drift and a resolution of 0.05°. The analog output on this version is 0.54.5 Vdc. All units are rated IP67 waterproof for advanced protection from the elements. Use the 875 Mini "Tuff Tilt" for structural monitoring, angle measurement and control, platform leveling, testing and research, OEM and more. This product is RoHS compliant. 1Custom ranges available on request *Specifications subject to change without notice on account of continued product development *Measurements are performed at room ambient temperature unless stated otherwise Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103 [email protected] • www.jewellinstruments.com • Tel (800) 227-5955

Open the catalog to page 1

A875 Mini MEMS Tuff Tilt, 0.5 - 4.5V Output-2

deuieii Instruments Wiring: Wire Color • Output is linear with change in degrees tilt. • Zero Function: Short green and black wires at power-on for 3 seconds and release. • Do not short wires in operation mode. Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103 [email protected] • www.jewellinstruments.com • Tel (800) 227-5955 L00363 Rev. D

Open the catalog to page 2

A875 Mini MEMS Tuff Tilt, 0.5 - 4.5V Output-3

deUIBH Instruments Right Angle Mounting Bracket Jewell Instruments LLC 850 Perimeter Road, Manchester, NH 03103 [email protected] • www.jewellinstruments.com • Tel (800) 227-5955 L00363 Rev. D

Open the catalog to page 3

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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