Fluke 805 Vibration Meter (4094385)
This Fluke 805 Vibration Meter (Manufacturer part number 4094385) is a handheld vibration meter for measuring overall vibration and high-frequency bearing vibration (Crest Factor+). The description below is based on the manufacturer's official documentation.
Features and characteristics
- Measures overall vibration in the frequency range 10 Hz to 1,000 Hz.
- High-frequency bearing control (Crest Factor+) from 4,000 Hz to 20,000 Hz.
- Amplitude units for acceleration, velocity, and displacement: acceleration (g, m/sec²), velocity (in/sec, mm/sec), and displacement (mils, mm).
- Four-level severity scale for bearing condition: Good, Satisfactory, Unsatisfactory, Unacceptable.
- Built-in Spot IR temperature sensor (range -20 °C to 200 °C, accuracy ±2 °C).
- On-board memory for up to 3,500 measurements and data export via USB.
Documentation
For technical details and complete product information, see the manufacturer's data sheet:
See data sheet from manufacturer
Typical applications
The Fluke 805 is used for monitoring and screening vibrations and bearing condition on specific machine categories indicated by the manufacturer. Examples of machine categories from the manufacturer's documentation:
- Horizontal centrifugal pumps (direct coupled)
- Boiler feed pumps (turbine- or motor-driven)
- Positive displacement pumps (horizontal piston pumps, gear pumps under load)
- Compressors (reciprocating, rotary screw, centrifugal)
- Fans and lobe-type blowers
- Generic gearboxes and rolling element-based gears
- Machine tools (motor, gearbox, spindles)
- Cooling/chiller systems (centrifugal and reciprocating configurations)
- Ventilators (belt- or direct-driven) and cooling tower drives
Specifications
- Frequency range, overall measurement: 10 Hz to 1,000 Hz
- Frequency range, CF+ (bearing): 4,000 Hz to 20,000 Hz
- Amplitude units: acceleration (g, m/sec²); velocity (in/sec, mm/sec); displacement (mils, mm)
- CF+ scale and bearing severity: Good, Satisfactory, Unsatisfactory, Unacceptable
- IR temperature: -20 °C to 200 °C, accuracy ±2 °C; focal length ~3.8 cm
- Memory: Up to 3,500 measurements, database on internal flash
- External interface: USB 2.0 (full speed) for communication and data export
- Sensor sensitivity: 100 mV/g ±10%; measuring range 0.01 g to 50 g; resolution 0.01 g; accuracy at 100 Hz ±5 %
- A/D converter: 16-bit; Signal-to-noise: 80 dB
- Sampling rate: low frequency 20,000 Hz; high frequency 80,000 Hz
- Battery: 2 x AA (alkaline) or Lithium-ion 2 V dc; battery life approx. 250 measurements
- Environment and mechanics: Operating temperature -20 °C to 50 °C; IP54; drop test 1 meter
- Physical: Size 25.72 cm x 16.19 cm x 9.84 cm; weight 1.16 kg
Information is taken from Fluke's official product documentation and data sheet (see link above).
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