Bently Nevada|3500/70M 136449-09|Recip Impulse Velocity Monitor

SKU: 3500/70M 136449-09

Manufacturer: BENTLY NEVADA
Product No.: 3500/70M 136449-09
Condition：In stock
Product Type: Recip Impulse Velocity Monitor
Product Origin: USA
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

Bently Nevada 3500/70M 136449-09 Recip Impulse Velocity Monitor

The Bently Nevada 3500/70M is a 4-channel monitor designed for the protection of reciprocating compressors by measuring crankcase and crosshead vibrations.

Features

Supports four functions: Impulse Acceleration, Acceleration 2, Recip Velocity, Low Frequency Recip Velocity
Channels are configurable in pairs to allow two simultaneous functions
Provides machinery protection and operational data through static values and alarm comparisons

Technical Specifications

Inputs

Signal Types: 1–4 proximity probe inputs
Impedance: 10 kΩ (acceleration), >1 MΩ (velocity)
Special Inhibit: 5 Vdc @ 390 μA

Power

Consumption: 7.7 W (nominal)

Sensitivity

Impulse/Acceleration 2: 0.51–11.72 mV/(m/s²) or 5–115 mV/g
Recip Velocity/LF Recip Velocity: 3.54–22.64 mV/(mm/s) or 90–575 mV/(in/s)

Outputs

Transducer Power: -22 Vdc (min), 40 mA (max)
Recorder Outputs: 4–20 mA, ±0.05 mA accuracy, 600 Ω max load

Signal Conditioning

Accuracy: ±0.33% typical, ±1% maximum excluding filters
Frequency Response
- High-pass: 3–3000 Hz (Impulse/Acceleration 2), 1–400 Hz (Recip Velocity)
- Low-pass: 30–30k Hz (Impulse/Acceleration 2), 40–5500 Hz (Recip Velocity)

Alarms

Setpoints: 0–100% of full-scale, ±0.13% accuracy
Delays: 1–60 sec (Alert), 0.1–60 sec (Danger)

Physical

Dimensions: 241.3 × 24.4 × 241.8 mm (monitor)
Weight: 0.91 kg (monitor), 0.20–0.46 kg (I/O modules)

Environmental

Operating Temp: -30°C to +65°C (standard), 0°C to +65°C (barrier modules)
Storage Temp: -40°C to +85°C
Humidity: 95% non-condensing

Order and Warranty Information

Terms of Purchase and Returns

Detailed guidelines on minimum order quantity, delivery times, payment options, warranty, and return policies.

We gladly accept bulk orders, with a minimum order quantity of just one unit.

Upon request, we can provide all necessary documents, including Certificates of Origin/Conformance and other required export paperwork.

We accept 100% T/T (Telegraphic Transfer) payment before shipping. For items with lead times, a 30% deposit is required upfront, with the remaining 70% payable before shipment. For RMB transfers, please contact us if you have an agent in China.

All new and original items come with a standard one-year warranty. For extended warranty options, feel free to contact us for pricing details.

We prioritize your satisfaction. If you need to return an item, it must be done within 30 days of purchase. The product must be unused, unopened, and in its original packaging, including all accessories. Refunds will be processed within 5-7 business days of receiving the return. Please note, shipping and handling charges are non-refundable.

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