Bently Nevada 2300/20-00 2300/20-CN 2300 Series Vibration Monitors With 4-20 Ma Outputs

Bently Nevada 2300/20-00 2300/20-CN 2300 Series Vibration Monitors With 4-20 Ma Outputs

Product Overview
The Bently Nevada 2300/20-00 is a compact, dual-channel vibration monitor designed for cost-effective protection of balance-of-plant assets such as pumps, fans, centrifuges and small motors. Measuring velocity or acceleration via industry-standard accelerometers or velocity sensors, the 2300/20-00 delivers a proportional 4–20 mA signal to existing DCS or PLC systems while providing on-board alarm relays for local shutdown logic. Its rugged IP66 aluminum housing, –40 °C to +85 °C rating and loop-powered design make it the preferred choice for harsh plant-floor environments where space, power and budget are limited.

Key Features & Benefits
• Dual independent channels—monitor two bearings or one differential measurement
• Field-selectable vibration units: velocity (mm/s, in/s) or acceleration (g)
• 4–20 mA output per channel, HART 7 protocol for remote configuration
• Two programmable alarm relays (SPDT, 5 A @ 30 V DC / 250 V AC)
• Loop-powered (10–36 V DC) – no additional power wiring needed
• Front-panel BNC and buffered raw outputs for portable analyzers
• IP66 / NEMA 4X aluminum enclosure, corrosion-resistant polyester coating
• –40 °C to +85 °C operating range and SIL 2 capability per IEC 61508
• Quick DIN-rail or direct wall mounting with swivel sensor connector

Typical Applications
• Cooling-tower fans & HVAC blowers
• End-suction centrifugal pumps
• Small steam turbines & expanders
• Extruders & mixers in chemical plants

Technical Specifications
Inputs: 2× 100 mV/g accelerometers or 4–20 mA velocity sensors
Frequency Range: 2 Hz – 5 kHz (±3 dB)
Dynamic Range: 0–50 g or 0–50 mm/s (field selectable)
Accuracy: ±2 % of full scale @ 25 °C
Outputs: 2× 4–20 mA, HART 7, 2× SPDT relays, 2× buffered raw (BNC)
Power: 10–36 V DC, 0.7 W max
Loop Load: 0–600 Ω (24 V supply)
Relay Contacts: 5 A @ 30 V DC / 250 V AC, resistive
Enclosure: IP66 / NEMA 4X aluminum, epoxy-polyester powder coat
Dimensions: 120 × 120 × 75 mm (4.7" × 4.7" × 3")
Mounting: DIN-rail or wall, 4× M6 studs

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