Description
The Marposs B3PR022 series (B3PR0220000, B3PR0221200TESTAR, B3PR0220202) are high-precision, non-contact inductive displacement sensors from the renowned TESTAR product line. These sensors utilize Linear Variable Differential Transformer (LVDT) technology to provide micron-level accuracy for position, vibration, and thickness measurements in demanding industrial environments. The B3PR0220000 is typically the probe head, the B3PR0221200TESTAR is the probe with a 1.2-meter pre-attached cable, and the B3PR0220202 indicates a specific configuration variant. Designed for seamless integration with CNC machine tools, grinding machines, and automated quality control systems, they are the industry standard for in-process gauging, tool setting, and run-out detection.
Key Features
- Non-contact Inductive Displacement Sensor (LVDT principle)
- High Resolution: Sub-micron (≤ 0.1 µm)
- Measurement Ranges: Common variants include ±0.5 mm, ±1 mm
- Output Signal: Analog ±10V (standard for TESTAR interfaces)
- High Frequency Response: Up to 10 kHz
- Robust Design: Stainless steel housing, IP67 protection
- Application: Machine tool probing, in-process gauging, run-out measurement
- Country of Origin: Italy (Marposs S.p.A.)
Technical Specifications
Parameter | Specification |
|---|---|
Model Series | B3PR022 (TESTAR) |
Measurement Principle | Inductive (LVDT) |
Linear Range | Typically ±0.5 mm or ±1 mm (depends on exact suffix) |
Linearity Error | ≤ ±0.5 % F.S. (Full Scale) |
Repeatability | < 0.1 µm |
Resolution | 0.1 µm |
Output | Analog Voltage, ±10 V (proportional to displacement) |
Excitation Voltage | 5 V RMS (from Marposs E9066/E9067 electronics) |
Frequency Response (-3 dB) | 10 kHz |
Operating Temperature | 0°C to 70°C (probe) |
Protection Rating | IP67 (sensor tip) |
Housing Material | Stainless Steel (AISI 303) |
Cable Length (B3PR0221200) | 1.2 meters (integral, non-removable) |
Connector | Specific to Marposs TESTAR system (e.g., for E90NN interface) |
Warranty & After-Sales
- Factory new units: 12 months warranty (Marposs Original, sealed)
- Refurbished units: 3-6 months warranty (Tested for linearity and output)
- Critical Support: Assistance with compatibility checks for Marposs E90 series electronic units (e.g., E9066, E9067).
- Guidance on mounting (avoid magnetic materials) and cable routing (away from power lines).
- Basic troubleshooting for signal issues (e.g., no output, erratic readings).
Delivery Time
- Standard delivery: 3-5 working days
- Express shipping available for critical machine tool downtime.
Why Choose Our Store
- Genuine Marposs / Certified Refurbished: We specialize in precision metrology and machine tool probing components.
- System Knowledge: We understand the Marposs TESTAR ecosystem and can advise on the correct sensor/electronics pairing.
- Application Expertise: Familiar with setups for tool setters on lathes (e.g., INDEX, EMAG) and grinders (e.g., STUDER, KELLENBERGER).
Applications
- Tool Setting and Breakage Detection on CNC machining centers and lathes.
- In-Process Gauging on cylindrical grinding machines for diameter control.
- Run-out and Vibration Measurement on spindles and rotating components.
- Precision Position Feedback in assembly and automation.
- Replacement for worn or damaged probes in existing Marposs TESTAR measurement systems.
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