Shear-mode element
The symmetrical polycrystalline element responds to acceleration while the internally insulated case separates the signal from the mounting surface.
Vibro-MeterCA202 piezoelectric sensorVM600 / VM600Mk2
Vibro-Meter CA202 144-202-000-106 CA202 Ex piezoelectric accelerometer
Product Overview
The Vibro-Meter CA202 144-202-000-106 is an Ex version of the CA202 piezoelectric accelerometer with a 3 m integral cable. It measures vibration through a symmetrical shear-mode sensing element and delivers a differential charge output to a charge converter such as an IPC70x signal conditioner.
For CA202 144-202-000-106, the sensor uses an austenitic stainless-steel case with internal case insulation, while a flexible stainless-steel protection hose is hermetically welded to the sensor and cable assembly. The 144-202-000-106 variant is therefore the hazardous-area, 3 m cable configuration rather than the standard-area 3 m version.
For CA202 144-202-000-106, no sensor input power is required. The measurement chain is formed by the accelerometer, its integral low-noise cable and the charge converter; the converter determines the lower cutoff of the usable frequency response.
Technical Specifications
| Technical Item | CA202 144-202-000-106 |
|---|---|
| Brand | Vibro-Meter |
| Product Type | CA202 Ex piezoelectric accelerometer |
| Variant | Ex version with 3 m integral cable |
| Signal Transmission | 2-pin insulated differential charge output |
| Sensitivity | 100 pC/g ±5% at 120 Hz |
| Dynamic Range | 0.01 to 400 g peak |
| Overload Capacity | Up to 500 g peak |
| Frequency Response | 0.5 to 6 000 Hz ±5% |
| Sensor Temperature | −55 to +260 °C continuous |
| Cable Temperature | −55 to +200 °C continuous |
| Case Material | Austenitic stainless steel |
| Input Power | None |
| Signal Conditioner | IPC70x charge converter |
Product Functions — Piezoelectric Sensing
CA202 produces a differential charge signal from vibration acceleration without requiring sensor power.
Charge output
The two-pin output carries charge to the IPC70x conditioner, which performs the electrical conversion.
Sealed assembly
The welded stainless-steel hose and case form a leaktight sensor-and-cable assembly.
Performance Characteristics — Charge Output Bandwidth
The CA202 limits and response values describe how the sensor signal behaves before conditioning.
Measurement range
The dynamic range is 0.01 to 400 g peak, with an overload capacity up to 500 g peak.
Frequency behavior
The stated response is 0.5 to 6 000 Hz ±5%; the lower cutoff is determined by the signal conditioner.
Thermal boundary
The sensor and its integral cable have separate continuous temperature limits, so the cable route must respect the lower cable limit.
Frequently Asked Questions
How can the Ex variant of Vibro-Meter CA202 144-202-000-106 be distinguished from the standard-area cable version during selection?
Keep the 144-202-000-106 Ex designation and 3 m integral cable together when selecting Vibro-Meter CA202 144-202-000-106. Do not substitute the standard-area 144-202-000-206 variant because the environmental and certified installation conditions are different.
What mounting and sealing checks are needed for Vibro-Meter CA202 144-202-000-106 in a hot or exposed location?
Confirm the case mounting, cable exit and welded hose sealing before operating Vibro-Meter CA202 144-202-000-106. Route the integral cable within its continuous temperature limit; the sensor case limit does not raise the lower limit of the cable.
Is reuse of the existing charge cable permitted with Vibro-Meter CA202 144-202-000-106?
Retain the cable only when it remains the specified integral 3 m charge path for Vibro-Meter CA202 144-202-000-106. Check insulation, connector condition and the IPC70x input before treating a loose or damaged lead as a separate replacement cable.
Which inspection order helps isolate noise or drift from Vibro-Meter CA202 144-202-000-106?
Inspect the mounting surface, cable insulation and differential charge connection first for Vibro-Meter CA202 144-202-000-106. Then check the IPC70x charge converter and grounding arrangement, because the sensor has no input-power adjustment that can correct a noisy charge path.
How should the temperature boundary be applied to Vibro-Meter CA202 144-202-000-106 during cable routing?
Use the lower cable limit of −55 to +200 °C for the route of Vibro-Meter CA202 144-202-000-106, even though the sensor is rated to +260 °C. Keep the cable away from hotter surfaces or change the mechanical route; do not use the case rating to justify cable exposure.
What replacement check is required before installing another accelerometer in place of Vibro-Meter CA202 144-202-000-106?
Match the Ex variant, charge sensitivity, cable construction and IPC70x chain for Vibro-Meter CA202 144-202-000-106 before replacement. A sensor with the same connector but a different environmental suffix is not automatically equivalent.
Customer Support
MOORE AUTOMATION
https://www.mvme.cn/
For a Vibro-Meter enquiry, Moore Automation keeps the complete code available to the support and packing teams. The communication record therefore refers to the same variant from request through dispatch.
Complete code
Support handoff
Packing reference
Dispatch communication
www.mvme.cn
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Contact Information
Send the complete model and requested quantity with your enquiry.
ManagerLeonia
Emailsales@mvme.cn
WhatsApp+86 180 3017 5807
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