Introduction
This text describes the Fluke 805 FC, a handheld vibration meter from FLUKE for screening bearings and overall machine vibration. The Fluke 805 FC measures overall vibration in the frequency range of 10 Hz to 1,000 Hz and detects high-frequency (CF+) peaks from 4,000 Hz to 20,000 Hz. A built-in spot infrared temperature sensor measures in the range of -20 °C to 200 °C. The device is designed for repeatable, scaled assessments of bearing condition and overall vibration levels.Features
- Overall vibration measurement from 10 Hz to 1,000 Hz (acceleration, velocity, and displacement).
- Crest Factor+ (CF+) high-frequency detection from 4,000 Hz to 20,000 Hz for bearing assessment.
- Spot IR thermometer with measurement range from -20 °C to 200 °C.
- On-board memory for up to 3,500 measurements and export option via USB 2.0 and wireless export via Fluke Connect (as stated in manufacturer's text).
- Four-level severity scale: Good, Satisfactory, Unsatisfactory, Unacceptable.
- Built-in flashlight, audio output for listening to bearing tones, and support for external accelerometer (external sensor supported, not supplied by Fluke).
Documentation
See datasheet from manufacturer
Typical Applications
The Fluke 805 FC is used for assessing and screening bearings and overall vibration on specific machine categories, as stated in the manufacturer's documentation. Examples from the manufacturer's list:
- Various types of pumps, including centrifugal and positive displacement pumps.
- Compressors: reciprocating, rotary screw, and centrifugal compressors.
- Blowers and fans in various drive configurations.
- Gearboxes with rolling bearings and machine tools (motor, gearbox, spindles).
- Refrigeration and air conditioning systems (chillers) and cooling tower drives.
Specifications
- Product Name: Fluke 805 FC
- Manufacturer: FLUKE
- Low-frequency overall measurement range: 10 Hz to 1,000 Hz
- High-frequency (CF+) measurement range: 4,000 Hz to 20,000 Hz
- IR thermometer: -20 °C to 200 °C
- Memory: Up to 3,500 measurements (internal flash)
- External interface: USB 2.0 (full speed)
- IP rating: IP54
- Sampling rate: Low-frequency 20,000 Hz, High-frequency 80,000 Hz
- A/D converter: 16-bit
- S/N ratio: 80 dB
- Sensitivity: 100 mV/g ±10%
- Measurement range (g): 0.01 g to 50 g
- Resolution: 0.01 g
- Precision at 100 Hz: ±5 % of measured value
- Battery type: 2 x AA (Alkaline) or Lithium-ion 2 V dc
- Battery life: Approx. 250 measurements
- Physical size (L x W x H): 25.72 cm x 16.19 cm x 9.84 cm
- Weight: 1.16 kg
- Connectors: USB mini-B 7-pin, stereo audio output (3.5 mm), external sensor jack (SMB)
- Severity levels: Good, Satisfactory, Unsatisfactory, Unacceptable
Source: Manufacturer's official datasheet (link in Documentation).
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