990-05-70-03-01/990-05-50-03-05 | Bently Nevada Vibration Transmitter

To confirm availability, request a quote, or place an order, contact our sales team directly. We are ready to assist with compatibility checks, pricing, and lead times.

Leonia |  Email: sales11@amikon.cn |  WhatsApp: +86 18030175807

The Bently Nevada 990-05-70-03-01 and 990-05-50-03-05 vibration transmitters are two-wire, loop-powered devices that convert vibration signals into a standard 4 to 20 mA output for machinery control systems. Both models accept input from a 3300 NSv proximity probe and matching extension cable, delivering peak-to-peak vibration measurements with a frequency response of 5 Hz to 6,000 Hz. With loop accuracy of ±1.5% of full scale and support for a wide operating temperature range from -35°C to +85°C, these transmitters provide stable and reliable monitoring for centrifugal compressors, pumps, motors, and fans. Integrated features such as built-in Proximitor functionality, adjustable zero and span settings, and diagnostic outputs ensure simplified installation and efficient maintenance.
The key similarities between Bently Nevada 990-05-70-03-01 and 990-05-50-03-05 include identical measurement performance, power requirements, and signal output characteristics, as both models provide a 0–5 mils peak-to-peak vibration range and operate within the same electrical and environmental specifications. The main differences lie in system length and certification options. Bently Nevada 990-05-70-03-01 is configured with a 7.0-meter system length and CSA Division 2 approval, while Bently Nevada 990-05-50-03-05 uses a shorter 5.0-meter system length and includes extended certifications such as CSA Division 2, ATEX Zone 0, ATEX Zone 2, and ABS maritime approval. These distinctions allow users to select the appropriate model based on installation distance requirements and compliance standards for specific industrial environments.

Manufacturer: Bently Nevada
Product Numbers: 990-05-70-03-01/990-05-50-03-05
Product Type: Vibration Transmitter
Place of 0rigin: USA
Input: Accepts 1 non-contacting 3300 NSv Proximity Probe and extension cable.
Power: Requires +12 to +35 Vdc input at the transmitter terminal.
4 to 20 mA signal output: 4 to 20 mAdc over specified fullscale range in 2-wire configuration.
4 to 20 mA loop accuracy: Accuracy is ±1.5% of full scale, measured from TEST input across a 250 Ω loop, excluding Prox Out scale factor.
Maximum loop resistance: 1,000 Ω including cable at 35 Vdc.
Current limiting: 23 mA typical   
Zero and span: Non-interacting external adjustments.
Frequency response: 5 Hz to 6,000 Hz +0, 3 dB.
Minimum target size: 9.5 mm (0.375 in) diameter.
Leadwire length: Maximum for Proximitor Sensor Output (BNC connector), maximum cable distance is 3 meters (10 feet).
Operating temperature:  -35°C to +85°C (-31°F to +185°F)
Storage temperature: -52°C to +100°C (-62°F to +212°F).

Ordering Information
990-AA-BB-CC-DD
A: Full-scale Option --- 05 = 0-5 mils pp (0-125 μm pp)
B: System Length Option --- 70 =  7.0 meters (23.0 feet) / 50 = 5.0 meters (16.4 feet)
C: Mounting Option --- 03 = DIN clips and screws
D:Agency Approval Option  --- 01 = CSA Division 2 / 05 = CSA Division 2, ATEX Zone 0, ATEX Zone 2 and includes ABS maritime approval

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 >> Manager: Leonia    |    Email: sales11@amikon.cn    |    Whatsapp: +8618030175807