The Bently Nevada 990-10-XX-01-00 (MOD 165353-01) is a two-wire, loop-powered Vibration Transmitter designed for OEMs of centrifugal air compressors, small pumps, motors, and fans. It accepts input from a 3300 NSv proximity probe and its matching extension cable, conditioning the signal into a 4–20 mA output proportional to peak-to-peak vibration amplitude.
Item No :
990-10-XX-01-00 165353-01Order(MOQ) :
1Payment :
EXWProduct Origin :
USAShipping Port :
WuhanLead Time :
3-5daysWeight :
3kg| Specification | Description |
|---|---|
| Manufacturer | Bently Nevada (Baker Hughes) |
| Model | 990-10-XX-01-00 |
| Modification | MOD 165353-01 |
| Product Type | Vibration Transmitter (2-wire, loop-powered) |
| Input | Accepts one non-contacting 3300 NSv Proximity Probe and extension cable |
| Power Supply | +12 to +35 Vdc at transmitter terminals |
| Signal Output | 4 to 20 mAdc proportional to peak-to-peak vibration amplitude |
| Full-Scale Range | 0-10 mils pp (0-250 µm pp) |
| Loop Accuracy | Within ±1.5% of full-scale range |
| Maximum Loop Resistance | 1,000 Ω including cable at 35 Vdc |
| Current Limiting | 23 mA typical |
| Linear Range (Prox Out) | 0.25 to 1.65 mm (10 to 65 mils) |
| Prox Out Scale Factor | 7.87 mV/µm (200 mV/mil) ± 6.5% typical |
| Output Impedance (Prox Out) | 10 kΩ calibrated for 10 MΩ load |
| Frequency Response | 5 Hz to 6,000 Hz (+0, -3 dB) |
| Operating Temperature | -35°C to +85°C (-31°F to +185°F) |
| Storage Temperature | -52°C to +100°C (-62°F to +212°F) |
| Humidity | Up to 100% condensing (potted construction) |
| Mounting | 35 mm DIN-rail clips or bulkhead screws |
| Dimensions | Approx. 10 × 7.3 × 6 cm |
| Weight | Approx. 0.43–0.46 kg |
| Country of Origin | USA |
| Lifecycle Status | Active / Mature |
Part Number Breakdown (990-AA-BB-CC-DD):
990 – Vibration Transmitter Series
-10 – Full-scale option: 0-10 mils pp (0-250 µm pp)
-XX – System length: 5.0 m or 7.0 m
-01 – Mounting: 35 mm DIN-rail clips
-00 – Agency approval: Not required
Modification Note: The MOD 165353-01 designation indicates an OEM-customized configuration of the standard 990 transmitter, as referenced in the manufacturer's datasheet .
| Model | Description | Typical Application |
|---|---|---|
| 990-10-XX-01-00 (MOD 165353-01) (this model) | Vibration Transmitter, 0-10 mils pp, DIN-rail, no approvals | High-amplitude shaft vibration monitoring |
| 990-05-XX-01-00 (MOD 147202-01) | Vibration Transmitter, 0-5 mils pp full-scale | Standard vibration monitoring for smaller amplitudes |
| 991-01-XX-01-00 | Companion Thrust Transmitter | Axial position monitoring for same machinery |
| 3300 NSv Proximity Probe | Required input sensor for the 990 | Shaft vibration measurement |
| 122115-01 Test Adapter | Signal isolation adapter for PROX OUT diagnostics | Required when using grounded, AC-powered test equipment |
Q1: What is the primary function of the 990-10-XX-01-00?
It is a vibration transmitter that measures radial shaft vibration on small, non-critical machinery and converts it into a standard 4–20 mA signal for input to a PLC or DCS. It is specifically designed for OEMs of centrifugal air compressors and similar equipment .
Q2: What input sensor does the 990 require?
It accepts one 3300 NSv proximity probe and its matching extension cable. The NSv (narrow side view) design allows installation in tight spaces with minimal clearance, typical of centrifugal air compressors .
Q3: What is the difference between the 4–20 mA output and the PROX OUT?
The 4–20 mA loop signal is the primary process control output, proportional to vibration amplitude. The PROX OUT (BNC coaxial connector) provides a non-isolated dynamic signal for machinery diagnostics. Important: When using grounded, AC-powered test equipment, the 122115-01 Test Adapter must be used to isolate the PROX OUT signal—failure to do so can inject AC noise into the loop and cause false trips .
Q4: What does the "MOD 165353-01" designation mean?
It indicates an OEM-customized configuration of the standard 990 Vibration Transmitter. The manufacturer's datasheet confirms that the 990 specifications also apply to modifications 147202-01 and 165353-01 .
Q5: What are the limitations compared to a full 3500 monitoring system?
The 990 is a transmitter, not a full monitor. It provides 4–20 mA trending and peak alarming but cannot perform gap alarms, phase measurement, Timed OK channel defeat, Danger Bypass, or Trip Multiply. PLCs connected to the 990 are not suitable for plant-wide diagnostic systems like System 1 or RulePaks.
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The Bently Nevada 21747-040-00 is a 4-meter Proximitor probe extension cable designed for the 3300 and 7200 Series Proximity Transducer Systems. It connects a proximity probe to its Proximitor sensor, transmitting high-frequency eddy-current displacement signals for vibration and shaft position monitoring on critical rotating machinery.
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The Bently Nevada 990-10-XX-01-00 (MOD 165353-01) is a two-wire, loop-powered Vibration Transmitter designed for OEMs of centrifugal air compressors, small pumps, motors, and fans. It accepts input from a 3300 NSv proximity probe and its matching extension cable, conditioning the signal into a 4–20 mA output proportional to peak-to-peak vibration amplitude.
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