Product manual
YD30 accelerometer: independent manual
The independent YD30 source covering its stated capacitive principle, specifications, mounting and gravity calibration example.
On this page
This manual describes a micromachined capacitive sensor and lists 0–2 kHz (−3 dB), IP64 and 10,000 g maximum shock. The product reference lists 0–10 kHz (±3 dB), IP68 and 2000 g; the CZ900 introduction lists 0–10 kHz (−3 dB), IP64 and 10,000 g. Hardware applicability is unconfirmed. Do not combine these sources into one specification or substitute the piezoelectric description from other material.
Principle and applications described here
This source describes a micromachined silicon capacitive acceleration element with conversion, measurement and amplification circuits. Its stated applications are vibration condition monitoring, shock measurement and tilt measurement. The narrative describes a self-check function and gravity-based sensitivity checking.
For tilt, the sensor responds to the component of gravity along its measurement axis. The source also discusses shock detection in automotive safety applications, but does not supply an application qualification or a safety-system integration procedure.
The narrative refers to DC/low-frequency response and gravity measurement, while the specification labels the output AC. Confirm the actual supplied sensor's signal type before applying the calibration example below.
Specifications in this manual
| Parameter | Independent-manual value |
|---|---|
| Sensitivity | 20 mV/g to 3 V/g, selectable |
| Nonlinearity | 0.2% full scale |
| Frequency response | 0–2 kHz, −3 dB |
| Temperature drift | At most 0.01%/°C over −20 to +125 °C |
| Resolution | 0.05% |
| Supply | +24 V, 2–10 mA constant current |
| Maximum shock | 10,000 g |
| Output entry | AC, 0–5 V |
| Operating temperature | −20 to +80 °C |
| Protection | IP64 |
| Housing | Stainless steel; alternatives by request |
The source has a fourth page with no additional technical text. No specification has been inferred from that page.
Mounting and the gravity-calibration example
The installation text instructs the user to bolt the sensor to the machine and refers to an M5 threaded hole or M8 bolt. The ordering table contains additional mounting choices; use the drawing for the selected configuration to determine the actual attachment.
The manual says secondary calibration is normally unnecessary. Where applicable to the supplied capacitive sensor, it describes checking sensitivity with gravity and correcting the reading in the secondary instrument. Its example uses a ±2 g sensor with nominal sensitivity 1 V/g: upright output is 2.5 V DC and horizontal output is 1.55 V DC. The difference is 0.95 V for a change of 1 g, giving 0.95 V/g actual sensitivity. Upright, horizontal and inverted orientations are labeled +1 g, 0 g and −1 g.
This example depends on a DC-capable output and the source's capacitive principle. It is not an instruction to gravity-calibrate an AC-coupled piezoelectric variant.
Ordering fields
YD30-A-B-C-D uses sensitivity examples A100 = 100 mV/g and A200 = 200 mV/g. Mounting B01–B06 selects M10 × 1.5, M5 × 0.8, M8 × 1.25, 1/4–28, magnetic base or custom manufacture. Cable examples are C01 = 1 m, C02 = 2 m and C10 = 10 m. Lead arrangement D00 is direct cable, K denotes armor and D01 is a circular connector.