The CA202 144-202-000-115 is an explosion-proof piezoelectric accelerometer in the CA202 series, equipped with a 6-meter-long integrated armored cable and designed specifically for industrial vibration monitoring in environments with potentially explosive gases.
This product utilizes a symmetrical shear mode polycrystalline piezoelectric sensing element and features internal housing insulation. Its integrated low-noise cable is encased in a flexible stainless steel hose and hermetically sealed to the housing via a fully welded process, forming a robust, leak-proof assembly. It serves as a core front-end vibration acquisition sensor for environments subject to the dual challenges of high temperatures and explosion hazards.
| Brand Name | Other |
| Model | CA202 |
| Ordering Information | 144-202-000-115 |
| Catalog | Vibration Monitoring |
| Gross Weight/Shipping Weight | 2.2 lbs / 35.2 oz / 1kg |
| Packing Size | 16cm x 16cm x 12cm |
| Country of Origin | China |
| HS Code | 8537101190 |
| Lead Time | In Stock |
| Shipping Port | Xiamen |
| Payment | T/T |
| Sales Price | $8500 |
| Warranty | 12 months |
| Lead Time | 3-5 work days |
| Courier Partners | DHL, UPS, TNT, FedEx and EMS |
At a coastal refining and petrochemical plant, the outlet temperature of a critical reciprocating compressor reached as high as 210°C, and the compressor room was classified as Zone 1 with Class IIB gas explosion protection. The standard accelerometers previously used frequently failed due to excessive heat and poor sealing. After discussion, the team ultimately selected the CA202 144-202-000-115, which was installed on the exhaust side of the compressor cylinder head.
This sensor model is connected via a 6-meter integral cable to a junction box in the hazardous area, and then connected through a safety barrier to a charge amplifier located in the control room. It has operated continuously and stably for more than two years at a cylinder wall temperature of 200°C, successfully capturing high-frequency impact signals caused by valve plate wear and providing early warnings to prevent cylinder scoring incidents.
No. The sensor is internally insulated (with extremely high impedance between the pins and the housing). The manual explicitly states that "the mounting surface does not need to be electrically insulated," so it can be mounted metal-to-metal to ensure high-frequency transmission efficiency.
6 meters is the standard length commonly used for installations in hazardous areas. Cutting or reconnecting the cable on your own is strictly prohibited, as the cable and sensor form a sealed, welded, integrated unit; cutting it will compromise the explosion-proof seal and insulation resistance. If a longer cable is required, you may purchase other models (144-202-000-125/135).
Standard industrial warranty: 12 months; with proper installation and no overloading, the product has a service life of 5-10 years.
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