What are the CA202 144-202-000-106 and 144-202-000-203?

They are industrial-grade, high-charge output piezoelectric accelerometers, categorized as critical machinery protection and vibration monitoring equipment for heavy-duty rotating machinery like gas turbines and compressors.

How do you properly install and use products like the CA202 144-202-000-106 and 144-202-000-203 in the field?

The sensor base must be rigidly threaded onto the machine bearing housing, and connected via its integrated twinaxial shielded cable to a nearby charge amplifier.

What is the core technical difference between the CA202 144-202-000-106 and 144-202-000-203?

The primary difference lies in the cable protection configuration and safety certification parameters. The 106 and 203 versions differ in integrated cable length, external flexible conduit material, or specific hazardous area ratings.

Can the signals output by the CA202 144-202-000-106 and 144-202-000-203 be directly connected to a PLC?

No. They output high-impedance charge signals (measured in pC/g), which must first be routed to a charge amplifier (signal conditioner) like the IPC704 to be converted into low-impedance voltage or current signals.

What is the nominal charge sensitivity of the CA202 144-202-000-106 and 144-202-000-203?

Both models deliver a nominal charge sensitivity of 100 pC/g (within a ±5% error band) under reference ambient conditions (at 120 Hz).

CA202 144-202-000-106 144-202-000-203

Name: CA202 144-202-000-106 144-202-000-203
Brand: Vibro-Meter
SKU: CA202 144-202-000-106 144-202-000-203

Piezoelectric Accelerometer

Product image is representative; revision or series may vary. Contact us to request a specific version.

Product Describe：

Piezoelectric Accelerometer
2-pin system, insulated from
case, charge output
Charge converter (IPC70x signal conditioner)

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Technical specifications for CA202 144-202-000-106 144-202-000-203

Manufacturer:

Vibro-Meter
Product Category:

General Automation
Spare Part Number:

CA202 144-202-000-106 144-202-000-203
Estimated shipping dimensions:

22x11.5x7.5cm
Weight:

2 kg
Tariff Code:

8537101190
Counliy of origin:

Switzerland
Sensitivity (at 120 Hz):

100 ± 5 pC / g
Dynamic measuring range (random):

0.01 g to 400 g peak
Overload capacity:

Up to 500 g peak
Linearity:

± 1% between 0.01 g and 20 g peak, ± 2% up to 400 g peak
High sensitivity:

100 pC/g
Temperature range:

−55 to 260 °C
Transverse sensitivity:

≤ 3 %
Resonant frequency:

> 22 kHz nominal
Typical deviation at 8 kHz:

+ 10 %

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Information

Overview Manuals Common Applications Product Precautions

The CA202 144-202-000-106 144-202-000-203 is a highly reliable industrial piezoelectric accelerometer built for extreme and harsh environments. This series of sensors is dedicated to long-term, dynamic absolute vibration monitoring of large rotating machinery, such as gas turbines, steam turbines, and heavy-duty compressors. By being rigidly mounted to the machine casing or bearing housing surface, it provides core interlocking and diagnostic signals for automation control and machinery protection systems.

Symmetrical sensor with internal case insulation and differential output
Available in standard versions and Ex versions certified for use in potentially explosive atmospheres
Hermetically welded austenitic stainless-steel case and heat-resistant stainless-steel protection hose

The CA202 is a piezoelectric accelerometer from Meggitt’s vibro-meter product line. The CA202 sensor features a symmetrical shear-mode polycrystalline measuring element with internal case insulation in an austenitic stainless steel case (housing). The CA202 is fitted with an integral low-noise cable that is protected by a flexible stainless-steel protection hose (leaktight) which is hermetically welded to the sensor to produce a sealed leaktight assembly.

The CA202 piezoelectric accelerometer serves heavy-duty industrial vibration monitoring and measurement. Different versions apply to specific industrial environments: the Ex version 144-202-000-106 is for installation in potentially explosive atmospheres (hazardous areas with intrinsic safety ratings), while the standard version 144-202-000-203 operates in non-hazardous areas. Both specific models integrate a 3.0-meter low-noise cable for robust dynamic signal loops.

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.

Vibro Meter CA202 144-202-000-106 144-202-000-203 Piezoelectric Accelerometer Manuals, Datasheets, Drivers, Link

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.

Power Generation

Monitoring high-temperature casing absolute vibration to detect rotor unbalance and blade defects.

Petrochemical & Refining

Tracking high-frequency vibration on heavy-duty compressor casings to prevent structural resonance.

Oil & Gas

Measuring dynamic acceleration on cryogenic pump housings to ensure continuous fluid transport stability.

Chemical Manufacturing

Detecting shaft misalignment and bearing wear in severe, corrosive chemical reaction environments.

Iron & Steel Metallurgy

Monitoring high-load air blower casing vibration under extreme ambient heat and dust conditions.

Mining & Mineral Processing

Evaluating mechanical shock impacts and bearing degradation under continuous high-g load operations.

Strictly differentiate between the Ex (-106) and standard (-203) versions for proper area zoning. Pair the sensor with a dedicated charge amplifier and never cut the integral cable to prevent signal distortion. Maintain a bend radius above 50 mm during protection hose routing. Ensure a flat mounting surface and tighten strictly to 6.5 N·m, while maintaining electrical isolation between the sensor/hose and the machinery ground to eliminate ground loop interference.

Alternative Names

CA202 144-202-000-106 144-202-000-203 CA202 144-202-000-203 144-202-000-106 CA202 CA2O2 144-2O2-OOO-1O6 144-2O2-OOO-2O3 CA2O2 I44-2O2-OOO-IO6 I44-2O2-OOO-2O3 CA202 I44-202-000-I06 I44-202-000-203

Technical notes

It features a stainless steel housing, internal shear-mode crystals, and an insulated structure, providing strong anti-interference capability while supporting a wide temperature range of -55°C to +260°C and a 400 g range. Both models are integrally fused with an integrated cable wrapped in a protective conduit, with the core difference being the explosion-proof certifications (such as intrinsically safe). Since it outputs a high-impedance charge signal, it must first be routed to an IPC704 signal conditioner to be converted into a universal signal before being sent to the VM600 system for safety protection.

FAQ View All FAQ

What are the CA202 144-202-000-106 and 144-202-000-203?

They are industrial-grade, high-charge output piezoelectric accelerometers, categorized as critical machinery protection and vibration monitoring equipment for heavy-duty rotating machinery like gas turbines and compressors.
How do you properly install and use products like the CA202 144-202-000-106 and 144-202-000-203 in the field?

The sensor base must be rigidly threaded onto the machine bearing housing, and connected via its integrated twinaxial shielded cable to a nearby charge amplifier.
What is the core technical difference between the CA202 144-202-000-106 and 144-202-000-203?

The primary difference lies in the cable protection configuration and safety certification parameters. The 106 and 203 versions differ in integrated cable length, external flexible conduit material, or specific hazardous area ratings.

Can the signals output by the CA202 144-202-000-106 and 144-202-000-203 be directly connected to a PLC?

No. They output high-impedance charge signals (measured in pC/g), which must first be routed to a charge amplifier (signal conditioner) like the IPC704 to be converted into low-impedance voltage or current signals.
What is the nominal charge sensitivity of the CA202 144-202-000-106 and 144-202-000-203?

Both models deliver a nominal charge sensitivity of 100 pC/g (within a ±5% error band) under reference ambient conditions (at 120 Hz).

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