inc50 series low cost single dual axis inclinometer 2019

INC50 Series

0.5 Degree Low Cost Single / Dual Axis Inclinometer

www.SkyMEMS.com Mobile: +86 133 7203 8516 Skype: skymems

Copy Right Reserved © 2019 Nanjing Sky MEMS Technology co., ltd. Focus on MEMS Measurement & Control Technologies, Products include:

MEMS Acc MEMS Gyro IMU Vertical Gyro AHRSINS GNSS/INS E-compass Inclinometer FOG

Super Reliability & Performance

- Accuracy: ±0.5°, Range from ±5 to 360°

- Low Cost (≤USD45 for 100pcs)

- Low Temp Drift, Optional Temperature Compensation

- Multiple Output interfaces: RS485, RS232, RS422,

Voltage Output, Curent Output Optional

- Wide Voltage Input:11~36V, Sealed to IP67

- Compact and Lightweight: 93.8×55.5×26 mm, 250grams

- Wide Working Temperature: -40°C~+85°C

INC50 series inclinometer is competitive low cost inclinometer sensor supplied in a sealed machined aluminium alloy housing. It has multiple optional output interfaces including RS485, RS232, RS422, voltage output (0-5V or 0-10V), curent output (4-20mA, 0-20mA, or 0-24mA). And the axis can be single axis or dual axes. Our inclinometers adopt big brand components and material, and the cable are qulified for continous outdoor use, furthermore, our inclinometers are manufactured and calibrated in our own factory to guarantee performance and the real accuracy to the stated specification.

Adopting SkyMEMS proprietary algorithms, which reduce the non-linearity, cross errors, quadrantal error and installation error, our inclinometers become one of the most competitive inclinometers in the world. And it enjoys high reliability and survivability in harsh environment and the working temperature is -40~85°C. It has been widely used in solar tracker system, crane monitoring, excavator monitoring, cradle monitoring, etc.

ü 12-Step Quality Control, Super Reliability, More Functions

ü Adopting Original Big Brand Component, High-class Material, Competitive Price

ü Real Actual Precise after Calibration, Perfect Performance

ü Successful Applications in Tens of Fields, More than 1000 Customers are Using

Solar Tracker System

Excavator Monitoring

Cradle MonitoringCrane Monitoring

Main Features

Typical Applications

INC50 Series






Technical Specifications

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Technical Specs

Parameter　 Value Comments

Range ±5°, ±10°, ±15°, ±30°, ±60°, ±90°, ±180°, 0~360° Optional

Measurement Axis X-Y or X

Accuracy ±0.5° room temperature

Output Data Frequency 5~100Hz Adjustable

Baud Rate 2400~115200 bps

Electrical and Environment SpecsVoltage 11-36VDCs

Current <50mA@24V

Startup Time 1.5s

Working Temperature -40~+85°C

Storage Temperature -50~+125°C

Protection Level IP67

Physical SpecsDimension 93.8×55.5×26 mm

Weight 250grams (not include cable)

Cable length 1 meter (default)

INC50 Series






Pins Definition

Dimension & Package

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Pins DefinitionCable color RS485 output RS232 output Voltage output Current output

Red VCC_Voltage + VCC_Voltage + VCC_Voltage + VCC_Voltage +

Black GND_Voltage - GND_Voltage - GND_Voltage - GND_Voltage -

Blue 485A TX_serial port transmitting NC NC

Yellow 485B RX_serial port receiving NC NC

Grown NC OGND_signal GND OGND_signal GND OGND_signal GND

Green NC NC V_XOUT_X axis voltage I_XOUT_X axis current

White NC NC V_YOUT_Y axis voltage I_YOUT_Y axis current

(Unit: mm)

three-view drawing

INC50 Series






Communication Protocol

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You may get direct access to the product through communication protocol (RS485 / RS232), with which the product can be easily integrated into your system

Data format：Hexadecimal System

Preamble Code: 4E 4A (fixed)

Address: the high 8 bits are in front, the low 8 bits are in back, the default address of the inclinometer is 00 00)

Command Length: length=(1+the byte number of data domain)

Command code (Response code) : the detailed introduction please see the command description.

Data Domain: please see the command description

Checksum: it is the sum of preamble, address, command lenth and command code (command response), checksum has 16 bits, and the high 8 bits are in front, the low 8 bits are in back,

for example: Read X, Y Angles and Temperature Send Command: 4E 4A 00 00 02 41 00 00 DB

the Checksum = 4E+4A+00+00+02+41+00=DB, so the checksum is 00 DB.

1 Data Frame Format: (the default rate is 115200)

Preamble Code(2 bytes)

Address (2 bytes)

Command Length (1 byte)

Command Code (1 byte)

Data Domain

Checksum High (1 byte)

Checksum Low (1 byte)

4E 4A XX XX XX XX XX XX XX

Send the Command:

INC50 Series







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Remarks: the datat domain is 4 bytes angle or value, it is FLOAT type.

2 Command Description2.1 Read X, Y Angles and Temperature Send Command: 4E 4A 00 00 02 41 00 00 DB

Command response:

Remarks:if setting as absolute zero, then the measuring angle will base on chip’s factory set. If setting as relative zero, the measuring angle will base on the current location as zero base.

2.2 Set relative/absolute zero pointSend Command: 4E 4A 00 00 02 91 00 01 2B 4E 4A 00 00 02 92 00 01 2C

Command response:


Address (2 bytes)



Data Domain



4E 4A 00 00 02 41 00 00 DB

Preamble Code

(2 bytes)

Address (2 bytes)


Command Code

(1 byte)

X axis Agle

(4bytes)

Y axis Angle (4bytes)

Temperature (4bytes)

Checksum High

(1 byte)

Checksum Low

(1 byte)

4E 4A 00 00 0D C1 XX XX XX XX

XX XX XX XX XX XX XX XX XX XX


Address (2 bytes)



Data Domain



4E 4A 00 00 02 91 relatvie zero92absolute zero

00 00

01 01

2B2C


Address (2 bytes)



Data Domain



4E 4A 00 00 02 11 12

55 55

01 01

0001

INC50 Series







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Note: in the send command of “Set communication rate”, the value of data domain is corresponding to the communication rate: 03 represents 9600, 04 represents 19200, 05 represents 35400, 06 represents 57600, 07 represents 115200. the default is 07: 115200. Remarks: if needing high frequency output, the baud rate should be set as 115200.Once this command is setting, it will be saved into Flash. (please don't change this setting frequently)

2.3 Set communication rateSend Command: 4E 4A 00 00 02 21 07 00 C2

Command response:

2.4 Set module addressSend Command: 4E 4A 00 00 05 13 00 00 01 01 00 B2

Command response:


Address (2 bytes)


Command Code (1 byte) Data Domain Checksum High

(1 byte)Checksum Low

(1 byte)

4E 4A 00 00 02 21 07 00 C2


Address (2 bytes)



Data Domain



4E 4A 00 00 05 13 00 00 01 01 01 B2


Address (2 bytes)



Data Domain



4E 4A 00 00 03 93 01 01 01 30


Address (2 bytes)



Data Domain



4E 4A 00 00 02 A1 07 01 42

INC50 Series







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2.5 Save Settings (Save to Flash)Send Command: 4E 4A 00 00 02 F1 00 01 8B

Command response:


Address (2 bytes)



Data Domain



4E 4A 00 00 02 71 55 01 60


Address (2 bytes)



Data Domain



4E 4A 00 00 02 F1 00 01 8B

INC50 Series






Order Information

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INC50 -X -XXX -XX -X -X

INC50: series Name

X: axis number 1: single axis 2: dual axis

XX: detailed interface 00: RS485 output R0: RS232 output R1: RS422 output V0: 0-5VDC output V1: 0-10VDC output C0: 4-20mA output C1: 0-20mA output C2: 0-24mA output

X: temperature compensation 0: no additional temperature compensation (default) 1: temperature compensation over -40~+85ºC

XXX: measuring range 005: ±5° 060: ±60° 010: ±10° 090: ±90° 015: ±15° 180: ±180° 030: ±30° 360: 0~360°

X: cable length 1: 1 meter 2: 2 meter

For example, INC50-2--030-00-0-1 it means that the inclinometer INC50 series, dual axis, measuring range:±30°, RS485 interface, without temperature compensation, 1meter cable length.

inc50 series low cost single dual axis inclinometer 2019

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