Products Description
| Company Information | |||
| sales@xmjzjsgs.com | |||
| Mobile | +8613666033393 | ||
| +8613666033393 | |||
| 13666033393 |
Technical Specifications
| Parameter | Description |
|---|---|
| Linear Range | 27.9 mm (1100 mils), measuring from 1.3 mm to 29.2 mm |
| Nominal Output | 394 mV/mm (10 mV/mil) |
| Power Supply | -17.5 Vdc to -26 Vdc, max 12 mA without barriers |
| Output Resistance | 50 Ω |
| Probe Temperature Range | -35°C to +200°C (short-term max +250°C, <24 hrs) |
| Extension Cable Temp Range | -51°C to +200°C |
| Proximitor Sensor Temp Range | -51°C to +100°C |
| Probe Tip Material | Polyphenylene Sulfide (PPS) |
| Case Material | Stainless Steel AISI 304 |
| Proximitor Housing Material | A380 Aluminum |
| Cable Type | 75 Ω triaxial FluidLoc PFA insulated |
| Minimum Target Size | Flat surface, minimum 102 mm diameter |
| Humidity Resistance | ASF change <3% under IEC 68-2-66 test |
| Max Tensile Strength | 330 N from case to probe lead |
| Total Length (System) | 9.0 meters |
| Weight | 0.22 kg |
| Minimum Bend Radius | 25.4 mm (1.0 inch), with or without armor |
| Thread Connection | 1/2-20 or M14x1.5, max engagement 0.75 in or 21 mm respectively |
FAQ
Frequently Asked Questions (FAQ)
Q1: What is the primary application of the 330878-91-00 Proximitor Sensor?
A1: It is mainly used for monitoring differential expansion or rotor growth in large steam turbines.
Q2: What is the maximum linear range of this sensor?
A2: The linear range is 27.9 mm, starting at 1.3 mm and extending to 29.2 mm.
Q3: What is the maximum temperature it can withstand?
A3: The probe can withstand up to 250°C for short periods and continuously operate at 200°C.
Q4: Can it replace older 7200 50 mm systems?
A4: Yes, it is physically and electrically compatible with the 7200 series systems.
Q5: What material is the probe casing made from?
A5: The casing is made from AISI 304 stainless steel for corrosion resistance.
Q6: Is calibration to materials other than AISI 4140 available?
A6: Yes, though it is factory calibrated to AISI 4140, other materials can be requested.
Q7: What is the system’s total length and weight?
A7: The total length is 9.0 meters, and the total system weight is 0.22 kg.
Q8: What is the acceptable power supply voltage range?
A8: The sensor operates from -17.5 Vdc to -26 Vdc (without barriers) or -23 Vdc to -26 Vdc (with barriers).
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
