Bently Nevada 3500/50 134938-01 Tachometer Manual

Bently Nevada 3500/50 Tachometer Module

The Bently Nevada 3500/50 Tachometer Module is a 2-channel module that calculates the rotational speed, rotor acceleration, and direction of a shaft. It can receive input from either proximity probes or magnetic pickups, and alerts the user when the set alarm points are exceeded. This module plays a crucial role in monitoring the overall health of machinery by providing essential tachometric information.

Environmental Limits

• Operating Temperature:
  • When used with Internal/External Termination I/O Module: -30°C to +65°C (-22°F to +150°F)
  • When used with Internal Barrier I/O Module (Internal Termination): 0°C to +65°C (32°F to +150°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Humidity: 95%, non-condensing

Physical Dimensions

• Monitor Module (Main Board) Dimensions (Height x Width x Depth):
  241.3 mm x 24.4 mm x 241.8 mm (9.50 in x 0.96 in x 9.52 in)

• Weight: 0.82 kg (1.8 lbs.)

• I/O Modules (non-barrier) Dimensions (Height x Width x Depth):
  241.3 mm x 24.4 mm x 99.1 mm (9.50 in x 0.96 in x 3.90 in)

• Weight: 0.20 kg (0.44 lbs.)

• I/O Modules (internal barrier) Dimensions (Height x Width x Depth):
  241.3 mm x 24.4 mm x 163.1 mm (9.50 in x 0.96 in x 6.42 in)

• Weight: 0.46 kg (1.01 lbs.)

Spares