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Fluke 820-2
Catalog #: 4550041
LED Stroboscope
- Overview
- Specifications
- Summary
Product Highlights
- 820-2 LED Stroboscope
- High-intensity 7-LED array – 4,800 Lux @ 6,000 FPM/30cm
- High efficiency LED solid-state light source with uniform flash characteristics allows for higher flash rates – 30-300,000 FPM (flashes per minute)
- Digital pulse width modulation for exceptionally sharp images at high speeds
- Rugged, durable design utilizes solid-state LEDs with no filaments, gases, hollow cavities, or glass – (1 meter drop)
- Quartz-accuracy control system provides high accuracy – 0.02% (+/- 1 digit)
- Multi-line LCD display
- Check the rotating speed of machinery without physical contact or need for reflective tape
- Advance or retard flash timing for viewing gear teeth, cutting surfaces, repeats, or drifting equipment
- Simple push button operation with 2x and ÷2 buttons for easy adjustment
Each Unit Includes
- Protective case
- External trigger connector
| Mechanical Specifications |
| Size (HxWxL) |
5.71 cm x 6.09 cm x 19.05 cm
2.25 in x 2.4 in x 7.5 in |
| Weight |
0.24 kg |
| Environmental Specifications |
| Operating temperature |
0 °C to +45 °C |
| Storage temperature |
-10 °C to +50 °C |
Operating humidity (without
ondensation) |
Non-condensing (<10 °C)
90 % RH (10 °C to 30 °C)
75 % RH (30 °C to 40 °C)
45 % RH (40 °C to 50 °C) |
| Absorption/corrosion |
30 °C, 95 % RH, 5 day
Product functions normally |
| Operating altitude |
2,000 m |
| Storage altitude |
12,000 m |
| Vibration |
MIL-PRF-28800F Class 2 |
| Impact resistance |
1 m drop |
| EMI, RFI, EMC |
EN61326-1:2006 |
| Safety Compliance |
| Agency approvals |
CE
Class III (SELV) Pollution Degree 2 |
Miscellaneous Specifications
Flash Frequency |
| Range |
30 to 300,000 FPM
0.5 to 5000 Hz |
| Accuracy |
0.02 % |
| Resolution |
30 to 999 FPM = 0.1
1000 to 300,000 = 1
0.5 Hz to 999 Hz = 0.1
1000 Hz to 5000 Hz = 1 |
| Frequency setting |
FPM or Hz |
| Flash Pulse |
| Duration |
Adjustable in μs or degrees |
| Delay |
Adjustable in μs or degrees |
| Light |
| Color |
Approximately 6500 K |
| Emission output |
4,800 lx @ 6000 FPM at 30 cm |
| External Trigger |
| Method |
Connector to externally control trigger |
| High level |
3 V to 32 V |
| Low level |
<1 V |
| Minimum pulse width |
50 μs connection |
| Reliability / Preventative Maint / Rotational/Stroboscopes Template |
| Style (Stroboscope) |
Hand Held |
| External Trigger |
Yes |
| Product Weight |
0.24 KILOS (0.529 LBS) |
| Product Height |
2.25 IN |
| Product Length |
7.5 IN |
| Product Width |
2.4 IN |
| Country of Origin |
Germany |
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