21505-12-40-10-02 Bently Nevada 8 mm Proximity Probe
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Bently Nevada 7200 Proximity Transducer: Heavy-Duty Vibration Monitoring
Industrial-grade 8mm probe with stainless steel armor for corrosive environments. Features chemical-resistant construction and precise 0-10kHz frequency response for critical machinery protection.
TECHNICAL SPECIFICATIONS
- Brand: Bently Nevada
- Model: 21505-12-40-10-02
- Series: 7200 Proximity Transducer
- Thread Size: 3/8-24 UNF
- Cable Length: 1.0m ±0.25m
- Calibrated Range: 2.0mm (80 mils)
- Scale Factor: 7.87 V/mm ±9.5%
- Temp Range: -34°C to +177°C (probe)
- Corrosion Resistance: H₂SO₄, NH₄OH, MEK
- Armor: Stainless steel
PART NUMBER DECODER
MODEL COMPARISON
| Model | Key Differences |
|---|---|
| 21505-00-72-10-02 | 72mm case length |
| 21505-04-48-10-02 | 48mm case length |
| 21505-22-55-10-02 | 220mm unthreaded length |
PERFORMANCE DATA
| Parameter | Value | Condition |
|---|---|---|
| Linearity Error | ±0.02mm | System calibrated |
| Temp Sensitivity | -3% | @65°C/1.27mm gap |
| Humidity Limit | 95% RH | Non-condensing |
INSTALLATION GUIDE
• Gap setting: 0.25-2.0mm optimal range
• Avoid condensation in humid environments
• Use 3/8-24 UNF mounting threads
• Max cable bend: 25mm radius
PACKAGE CONTENTS
• Proximity probe unit
• Connector protector
SHIPPING
• FedEx/UPS/DHL Express
• International hazardous: Not classified
FREQUENTLY ASKED QUESTIONS
Q: Is this compatible with sulfuric acid?
A: Yes - resistant to 10% concentration
Q: Minimum shaft diameter?
A: 8.9mm (0.35") for reliable measurement
Q: Cable replacement procedure?
A: Must replace entire probe assembly
Q: Difference between 7200 and 3300 series?
A: 7200 has thicker armor for harsh environments