Overview
The Bently Nevada 990-04-50-02-00 is a Vibration Transmitter designed to convert the proximity probe signal into a 4 to 20 mA output for monitoring machinery vibration.
Specifications
- Full-scale Option: 0-4 mils pp (0-100 μm pp)
- System Length Option: 5.0 meters (16.4 feet)
- Mounting Option: Bulkhead screws
- Agency Approval Option: Not required
Electrical
- Input: Accepts 1 non-contacting 3300 NSv Proximity Probe and extension cable
- Power: Requires +12 to +35 Vdc input
- Signal Output: 4 to 20 mAdc in 2-wire configuration
- Loop Accuracy: ±1.5%
- Maximum Loop Resistance: 1,000 Ω at 35 Vdc
- Zero/Span: External adjustments
- Current Limiting: 23 mA typical
- Signal Defeat: Output drops to less than 3.6 mA after a Not OK condition occurs
- Power-up Inhibit: Signal output remains at less than 3.6 mA for 2 to 3 seconds after power is applied
Proximity Sensor
- Probe Gap: 0.5 to 1.75 mm (20 to 55 mils) from target
- Prox Out Incremental Scale Factor: 7.87 mV/μm (200 mV/mil) ±6.5% typical
- Temperature Stability: Scale factor remains within ±10% from 0°C to +70°C (+32°F to +158°F)
- Frequency Response: 5 Hz to 6,000 Hz ±0, 3 dB
- Minimum Target Size: 9.5 mm (0.375 in) diameter
- Leadwire Length: Maximum cable distance for Proximitor Sensor Output (BNC connector) is 3 meters (10 feet)
Environmental Conditions
- Hazardous Area Locations: Non-Hazardous, Zone 2 or Div 2 locations
- Power Supply: 28 V
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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