Special Sensors
Denki Seigyo Special Measurement Sensors
Our Special Measurement Sensors are engineered for ultra-high-precision tasks and challenging environments where standard sensors fall short. From sub-micron displacement measurement, force & torque monitoring, to embedded structure strain sensing and transparent‐media detection — these sensors bring advanced measurement capability to demanding industrial, infrastructure and research applications. Designed with customisation in mind, they offer bespoke ranges, signal conditioning and ruggedised housings to suit your exact measurement challenge.
Special Sensors
Description
The Denki Seigyo Special Measurement Sensor Series is designed for applications demanding ultra-high precision, stability, and reliability. Built using advanced sensing technologies such as laser triangulation, capacitive, inductive, and strain-based measurement principles, these sensors deliver accurate and repeatable data for position, distance, thickness, displacement, and structural monitoring.
Each model is optimized for specialized measurement environments — from cleanroom automation to heavy-duty industrial systems — offering exceptional signal integrity, temperature stability, and robust performance under vibration and electrical noise.
Features
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Ultra-precise measurement capability up to ±1 μm resolution
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Wide range of detection technologies: laser, capacitive, strain gauge, ultrasonic, and eddy current
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High-speed sampling rates up to 10 kHz
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Analog (0–10V / 4–20mA) and digital (RS485 / Modbus / IO-Link) output options
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Compact, rugged housings designed for harsh industrial conditions
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Temperature-compensated sensing for consistent accuracy
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Built-in amplifier and signal filtering circuits
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Modular interface design for easy system integration
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Optional display or controller unit for real-time monitoring
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CE and RoHS compliant
Specifications
| Item | Specification |
|---|---|
| Measurement Type | Displacement, distance, thickness, or strain measurement |
| Sensing Technologies | Laser triangulation, capacitive, strain gauge, or eddy current (model dependent) |
| Measurement Range | 0.1 mm to 800 mm (depending on model) |
| Resolution | Up to ±1 µm |
| Linearity | ±0.1% of full scale |
| Sampling Frequency | Up to 10 kHz |
| Output Type | Analog 0–10 V / 4–20 mA, Digital RS485 / Modbus / IO-Link |
| Response Time | 0.1 – 10 ms |
| Power Supply | 12–24 VDC ±10% |
| Operating Temperature | -10°C to +60°C (no condensation) |
| Protection Structure | IP65 / IP67 (depending on model) |
| Material | Aluminum alloy or stainless steel |
| Cable / Connector | 2 m cable or M12 connector |
| Weight | 120–250 g (depending on type) |
Model Selection Table
| Model | Measurement Type | Range | Output | Resolution | Structure | Protection |
|---|---|---|---|---|---|---|
| DSM-L10 | Laser Displacement | 10 mm | Analog 0–10V | ±2 µm | Aluminum | IP67 |
| DSM-L50 | Laser Displacement | 50 mm | RS485 / Modbus | ±5 µm | Aluminum | IP67 |
| DSM-C02 | Capacitive Displacement | 2 mm | Analog 4–20 mA | ±1 µm | Stainless Steel | IP65 |
| DSM-E05 | Eddy Current | 5 mm | Analog 0–5V | ±2 µm | Stainless Steel | IP67 |
| DSM-S10 | Strain Gauge | 10,000 µε | 4–20 mA | ±0.2% F.S. | Aluminum | IP65 |
| DSM-T20 | Thickness Measurement | 0.2–20 mm | Digital / RS485 | ±3 µm | Aluminum | IP67 |
Applications
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Precision part alignment and robotic positioning
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Non-contact displacement and thickness measurement
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Structural strain and vibration monitoring
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Semiconductor and precision tooling inspection
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Industrial machinery calibration and test benches
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Automotive component measurement and quality control
Optional Accessories
| Part Number | Description |
|---|---|
| DSM-AMP01 | External amplifier module for long cable extension |
| DSM-DSP02 | Digital display controller with Modbus communication |
| DSM-CBL05 | Shielded sensor cable (5 m length) |
| DSM-BRK01 | Adjustable mounting bracket set |
Ordering Example
Model: DSM-L50
Description: Laser displacement sensor, 50 mm range, RS485 output, IP67 protection
