Laser Displacement Sensor

ST-M Series Laser Displacement Sensor

Model：ST-M系列经济型激光位移传感器

0.25 micrometer repeatability 0.05% F.S. linearity Maximum acquisition frequency of 50kHz Multiple industrial interfaces supporting Modbus RUT/Ethernet/analog input

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Key Features

• 0.25 micrometer repeatability
• 0.05% F.S. linearity
• Maximum acquisition frequency of 50kHz
• Multiple industrial interfaces supporting Modbus RUT/Ethernet/analog input

Applications

• Dimensional inspection
• Step height inspection
• In-line quality monitoring
• Machine control

Specifications

Full specification text

ST-M2 Series Laser Displacement Sensor Parameters

Model

Reference Distance

Measurement Range

Repeatability

Linearity Error

Sampling Frequency

| ----------- | -------: | -------: | ------: | --------: | ----: |

ST-M2-30

30 mm

±5 mm

0.25 μm

＜±8 μm

5 kHz

ST-M2-30W

30 mm

±5 mm

0.25 μm

＜±5 μm

5 kHz

ST-M2-50

50 mm

±10 mm

0.4 μm

＜±15 μm

5 kHz

ST-M2-50W

50 mm

±10 mm

0.4 μm

＜±10 μm

5 kHz

ST-M2-85	85 mm	±20 mm	0.8 μm	<±40 μm	5 kHz
ST-M2-85W	85 mm	±20 mm	0.8 μm	<±30 μm	5 kHz
ST-M2-150	150 mm	±75 mm	2 μm	<±150 μm	5 kHz
ST-M2-150W	150 mm	±75 mm	2 μm	<±113 μm	5 kHz
ST-M2-250	250 mm	±150 mm	10 μm	<±450 μm	5 kHz
ST-M2-250W	250 mm	±150 mm	10 μm	<±300 μm	5 kHz
ST-M2-400	400 mm	±200 mm	15 μm	<±600 μm	5 kHz
ST-M2-400W	400 mm	±200 mm	15 μm	<±400 μm	5 kHz
ST-M2-800	800 mm	±500 mm	45 μm	<±2000 μm	5 kHz
ST-M2-800W	800 mm	±500 mm	45 μm	<±1000 μm	5 kHz
ST-M2-30R	25.7 mm	±5 mm	0.25 μm	<±5 μm	5 kHz
ST-M2-50R	46.4 mm	±6 mm	0.4 μm	＜±6 μm	5 kHz

ST-M2-85R

85 mm

±10 mm

0.8 μm

＜±10 μm

5 kHz

ST-M2-30WR

25.7 mm

±5 mm

0.25 μm

＜±5 μm

5 kHz

ST-M2-50WR

46.4 mm

±6 mm

0.4 μm

＜±6 μm

5 kHz

ST-M2-85WR

85 mm

±10 mm

0.8 μm

＜±10 μm

5 kHz

ST-M2-150WR

107.5 mm

±10.5 mm

2 μm

＜±16.8 μm

5 kHz

ST-M3 Series Laser Displacement Sensor Parameters

Model	Reference Distance	Measurement Range	Repeatability	Linearity error	Sampling frequency
ST-M3-30	30 mm	±5 mm	0.25 μm	<±8 μm	10 kHz
ST-M3-30U	30 mm	±5 mm	0.25 μm	<±5 μm	10 kHz
ST-M3-50	50 mm	±10 mm	0.4 μm	<±15 μm	10 kHz
ST-M3-50U	50 mm	±10 mm	0.4 μm	<±10 μm	10 kHz
ST-M3-85	85 mm	±20 mm	0.8 μm	<±40 μm	10 kHz
ST-M3-85U	85 mm	±20 mm	0.8 μm	<±30 μm	10 kHz
ST-M3-150	150 mm	±75 mm	2 μm	<±150 μm	10 kHz
ST-M3-150U	150 mm	±75 mm	2 μm	<±113 μm	10 kHz
ST-M3-250	250 mm	±150 mm	10 μm	<±450 μm	10 kHz
ST-M3-250W	250 mm	±150 mm	10 μm	<±300 μm	10 kHz
ST-M3-400	400 mm	±200 mm	15 μm	＜±600 μm	10 kHz
ST-M3-400W	400 mm	±200 mm	15 μm	<±400 μm	10 kHz
ST-M3-800	800 mm	±500 mm	45 μm	<±2000 μm	10 kHz
ST-M3-800W	800 mm	±500 mm	45 μm	<±1000 μm	10 kHz
ST-M3-30R	25.7 mm	±4.5 mm	0.25 μm	<±7.2 μm	10 kHz
ST-M3-30UR	25.7 mm	±4.5 mm	0.25 μm	<±4.5 μm	10 kHz	ST-M3-50R	46.9 mm	±4.5 mm	0.4 μm	＜±7.2 μm	10 kHz

ST-M3-85UR

77.5 mm

±8 mm

0.8 μm

＜±12.8 μm

10 kHz

ST-M5 Series Laser Displacement Sensor Parameters

Model

Reference Distance

Measurement Range

Repeatability

Linearity Error

Sampling Frequency

| ----------- | -------: | ------: | ------: | --------: | -------------------------: |

ST-M5-30

30 mm

±5 mm

0.35 μm

＜±8 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-30W

30 mm

±5 mm

0.35 μm

<±5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-50

50 mm

±10 mm

0.6 μm

<±15 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-50W

50 mm

±10 mm

0.6 μm

<±10 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-85

85 mm

±20 mm

1.3 μm

<±40 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-85W

85 mm

±20 mm

1.3 μm

<±30 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-150

150 mm

±75 mm

3.5 μm

＜±150 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-150W

150 mm

±75 mm

3.5 μm

＜±113 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-250

250 mm

±150 mm

10 μm

＜±450 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-250W

250 mm

±150 mm

10 μm

＜±300 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-400

400 mm

±200 mm

15 μm

<±600 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-400W

400 mm

±200 mm

15 μm

<±400 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-800

800 mm

±500 mm

45 μm

<±2000 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-800W

800 mm

±500 mm

45 μm

<±1000 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-30R

25.7 mm

±4.5 mm

0.35 μm

＜±4.5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-50R

46.9 mm

±5 mm

0.6 μm

＜±5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-85R

76.5 mm

±5.5 mm

1.3 μm

＜±8.8 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-30WR

25.7 mm

±4.5 mm

0.35 μm

＜±4.5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-50WR

46.4 mm

±5 mm

0.6 μm

＜±5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-85WR

76.5 mm

±5.5 mm

1.3 μm

＜±8.8 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-150WR

107.5 mm

±9 mm

3.5 μm

＜±14.4 μm

Ethernet 31.25 kHz / Analog 50 kHz

Parameter Description

The ST-M2 series sampling frequency is 5

Model Selection

Full model selection text

ST-M2 Series Laser Displacement Sensor Parameters

Model

Reference Distance

Measurement Range

Repeatability

Linearity Error

Sampling Frequency

| ----------- | -------: | -------: | ------: | --------: | ----: |

ST-M2-30

30 mm

±5 mm

0.25 μm

＜±8 μm

5 kHz

ST-M2-30W

30 mm

±5 mm

0.25 μm

＜±5 μm

5 kHz

ST-M2-50

50 mm

±10 mm

0.4 μm

＜±15 μm

5 kHz

ST-M2-50W

50 mm

±10 mm

0.4 μm

＜±10 μm

5 kHz

ST-M2-85	85 mm	±20 mm	0.8 μm	<±40 μm	5 kHz
ST-M2-85W	85 mm	±20 mm	0.8 μm	<±30 μm	5 kHz
ST-M2-150	150 mm	±75 mm	2 μm	<±150 μm	5 kHz
ST-M2-150W	150 mm	±75 mm	2 μm	<±113 μm	5 kHz
ST-M2-250	250 mm	±150 mm	10 μm	<±450 μm	5 kHz
ST-M2-250W	250 mm	±150 mm	10 μm	<±300 μm	5 kHz
ST-M2-400	400 mm	±200 mm	15 μm	<±600 μm	5 kHz
ST-M2-400W	400 mm	±200 mm	15 μm	<±400 μm	5 kHz
ST-M2-800	800 mm	±500 mm	45 μm	<±2000 μm	5 kHz
ST-M2-800W	800 mm	±500 mm	45 μm	<±1000 μm	5 kHz
ST-M2-30R	25.7 mm	±5 mm	0.25 μm	<±5 μm	5 kHz
ST-M2-50R	46.4 mm	±6 mm	0.4 μm	＜±6 μm	5 kHz

ST-M2-85R

85 mm

±10 mm

0.8 μm

＜±10 μm

5 kHz

ST-M2-30WR

25.7 mm

±5 mm

0.25 μm

＜±5 μm

5 kHz

ST-M2-50WR

46.4 mm

±6 mm

0.4 μm

＜±6 μm

5 kHz

ST-M2-85WR

85 mm

±10 mm

0.8 μm

＜±10 μm

5 kHz

ST-M2-150WR

107.5 mm

±10.5 mm

2 μm

＜±16.8 μm

5 kHz

ST-M3 Series Laser Displacement Sensor Parameters

Model	Reference Distance	Measurement Range	Repeatability	Linearity error	Sampling frequency
ST-M3-30	30 mm	±5 mm	0.25 μm	<±8 μm	10 kHz
ST-M3-30U	30 mm	±5 mm	0.25 μm	<±5 μm	10 kHz
ST-M3-50	50 mm	±10 mm	0.4 μm	<±15 μm	10 kHz
ST-M3-50U	50 mm	±10 mm	0.4 μm	<±10 μm	10 kHz
ST-M3-85	85 mm	±20 mm	0.8 μm	<±40 μm	10 kHz
ST-M3-85U	85 mm	±20 mm	0.8 μm	<±30 μm	10 kHz
ST-M3-150	150 mm	±75 mm	2 μm	<±150 μm	10 kHz
ST-M3-150U	150 mm	±75 mm	2 μm	<±113 μm	10 kHz
ST-M3-250	250 mm	±150 mm	10 μm	<±450 μm	10 kHz
ST-M3-250W	250 mm	±150 mm	10 μm	<±300 μm	10 kHz
ST-M3-400	400 mm	±200 mm	15 μm	＜±600 μm	10 kHz
ST-M3-400W	400 mm	±200 mm	15 μm	<±400 μm	10 kHz
ST-M3-800	800 mm	±500 mm	45 μm	<±2000 μm	10 kHz
ST-M3-800W	800 mm	±500 mm	45 μm	<±1000 μm	10 kHz
ST-M3-30R	25.7 mm	±4.5 mm	0.25 μm	<±7.2 μm	10 kHz
ST-M3-30UR	25.7 mm	±4.5 mm	0.25 μm	<±4.5 μm	10 kHz	ST-M3-50R	46.9 mm	±4.5 mm	0.4 μm	＜±7.2 μm	10 kHz

ST-M3-85UR

77.5 mm

±8 mm

0.8 μm

＜±12.8 μm

10 kHz

ST-M5 Series Laser Displacement Sensor Parameters

Model

Reference Distance

Measurement Range

Repeatability

Linearity Error

Sampling Frequency

| ----------- | -------: | ------: | ------: | --------: | -------------------------: |

ST-M5-30

30 mm

±5 mm

0.35 μm

＜±8 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-30W

30 mm

±5 mm

0.35 μm

<±5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-50

50 mm

±10 mm

0.6 μm

<±15 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-50W

50 mm

±10 mm

0.6 μm

<±10 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-85

85 mm

±20 mm

1.3 μm

<±40 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-85W

85 mm

±20 mm

1.3 μm

<±30 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-150

150 mm

±75 mm

3.5 μm

＜±150 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-150W

150 mm

±75 mm

3.5 μm

＜±113 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-250

250 mm

±150 mm

10 μm

＜±450 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-250W

250 mm

±150 mm

10 μm

＜±300 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-400

400 mm

±200 mm

15 μm

<±600 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-400W

400 mm

±200 mm

15 μm

<±400 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-800

800 mm

±500 mm

45 μm

<±2000 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-800W

800 mm

±500 mm

45 μm

<±1000 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-30R

25.7 mm

±4.5 mm

0.35 μm

＜±4.5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-50R

46.9 mm

±5 mm

0.6 μm

＜±5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-85R

76.5 mm

±5.5 mm

1.3 μm

＜±8.8 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-30WR

25.7 mm

±4.5 mm

0.35 μm

＜±4.5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-50WR

46.4 mm

±5 mm

0.6 μm

＜±5 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-85WR

76.5 mm

±5.5 mm

1.3 μm

＜±8.8 μm

Ethernet 31.25 kHz / Analog 50 kHz

ST-M5-150WR

107.5 mm

±9 mm

3.5 μm

＜±14.4 μm

Ethernet 31.25 kHz / Analog 50 kHz

Parameter Description

The ST-M2 series sampling frequency is 5

Downloads

ST-M系列激光位移传感器选型手册.pdf

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ST-M Series Laser Displacement Sensor

Key Features

Applications

Specifications

ST-M2 Series Laser Displacement Sensor Parameters

ST-M3 Series Laser Displacement Sensor Parameters

ST-M5 Series Laser Displacement Sensor Parameters

Parameter Description

Model Selection

ST-M2 Series Laser Displacement Sensor Parameters

ST-M3 Series Laser Displacement Sensor Parameters

ST-M5 Series Laser Displacement Sensor Parameters

Parameter Description

Downloads

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