Bently Nevada|3500/72M 176449-08| 4-channel monitor

SKU: 3500/72M 176449-08

Manufacturer: BENTLY NEVADA
Product No.: 3500/72M 176449-08
Condition：In stock
Product Type: 4-channel monitor
Product Origin: USA
Payment:T/T, Western Union
Weight: 2000g
Shipping port: Xiamen
Warranty: 12 months

Bently Nevada 3500/72M 176449-08 Recip Rod Position Monitor

The Bently Nevada 3500/72M is a 4-channel monitor designed to protect reciprocating compressors by measuring rod position, rod drop, and hyper-compressor displacement using proximity transducer inputs.

Features

Accepts 1–4 proximity probe signals
Measures dynamic and static position parameters
Supports user-programmable alert and danger alarm setpoints
Channels programmed in pairs, allowing two simultaneous functions
Complies with API 618 for reciprocating compressor monitoring

Technical Specifications

Inputs

Input Impedance: 10 kΩ
Nominal Scale Factors:
- Rod Position: 0.79–7.87 mV/µm (20–200 mV/mil)
- Rod Position 2: 3.94–7.87 mV/µm (100–200 mV/mil)
- Rod Drop: 3.94–7.87 mV/µm (100–200 mV/mil)
- Hyper-Compressor: 3.94–7.87 mV/µm (100–200 mV/mil)

Power

Consumption: 7.7 W (nominal)

Outputs

Buffered Transducer Outputs: One coaxial connector per channel
Output Impedance: 510 Ω
Transducer Power Supply: -24 Vdc

Signal Conditioning

Accuracy: ±0.33% typical, ±1% max (excluding filters)
Frequency Response:
- Peak-Peak Filter: Fixed 1 Hz to 600 Hz
- Gap Filter: -3 dB at 0.09 Hz
- Not 1X Filter: Constant Q notch, 34.9 dB rejection
- 1X/2X Vector Filter: Constant Q, 57.7 dB rejection
Valid Speed Range: 60–2130 cpm

Alarms

Setpoint Range: 0–100% of full-scale
Alarm Accuracy: ±0.13% of desired value
Time Delays:
- Alert: 1–60 sec
- Danger: 0.1 sec nominal or 1–60 sec

Physical

Monitor Dimensions: 241.3 × 24.4 × 241.8 mm
Monitor Weight: 0.91 kg
I/O Module Weights: 0.20 kg (non-barrier), 0.46 kg (barrier)

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.

Check now

Product comparison

Current