Bently Nevada|1701/25| Seismic Input Monitor

Bently Nevada 1701/25-01 Seismic Input Monitor

Description
The Bently Nevada 1701/25-01 is a dual-channel seismic input monitor designed for measuring velocity and acceleration signals in industrial machinery protection systems.

Features

• Monitors direct, RMS, and integrated velocity and acceleration
• Compatible with multiple transducer types
• Supports programmable over-alert and danger alarms
• Includes embedded self-tests for system integrity

Technical Specifications

Measurement Capabilities

• Velocity Ranges (Peak): 0–0.5 to 0–3.0 in/s, 0–10 to 0–75 mm/s
• Integrated Velocity (pp): 0–5 to 0–500 µm, 0–5 to 0–20 mil
• Acceleration Ranges (Peak): 0–2 to 0–500 m/s², 0–2 to 0–50 g
• RMS Ranges: Same as peak ranges for velocity and acceleration

Signal Processing

• Velocity Bandwidth: Direct: 3 Hz – 5.5 kHz; RMS/Integrated: 10 Hz – 5.5 kHz
• Acceleration Bandwidth: Peak: 3 Hz – 31.55 kHz; RMS: 10 Hz – 31.55 kHz; Integrated: 20 Hz – 14.05 kHz
• Filters: High-pass: 3 Hz – 120 Hz; Low-pass: 100 Hz – 5.5 kHz
• Accuracy: 1% FS (>200 mVp), 2% FS (≤200 mVp)

Alarms

• Types: Over Alert, Danger on single proportional value
• Time Delays: 0.15 to 20 seconds
• Hysteresis: 0.5% of full-scale

Electrical

• Power Input: -24 V, +5 V, 1.5 W (no transducers)
• Buffered Output: 30 m max, 200 Ω impedance
• Resolution: Direct: 0.1%, Setpoint: 0.5% of full-scale

Physical and Environmental

• Dimensions: 127 x 21.6 x 105 mm (5 x 0.85 x 4.15 in)
• Weight: 314 g (0.69 lb)
• Operating Temp: -20°C to +70°C
• Storage Temp: -40°C to +85°C
• Humidity: 5% to 95% non-condensing