Monarch PLS Pocket LED Stroboscope - 6235-010


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Monarch Instrument

Monarch PLS Pocket LED Stroboscope

PLS (6235-010)

  • Includes Pocket LED Stroboscope, Smart universal 115/230Vac recharger with interchangeable wall plugs, manual and NIST calibration certificate

The Monarch PLS Pocket LED Stroboscope is a compact, rugged, light weight device that provides a super bright, uniform light output for performing visual diagnostic inspection and RPM measurements. The silent cool running LED’s are extremely energy efficient providing up to 5 hours of operation on a single charge. A wide operating range of 30-300,000 flashes per minute covers most industrial applications. Additional features include external input for remote triggering or tachometer mode, pulse output, memory for up to 5 preset flash rates, N.I.S.T. calibration certificate, tachometer mode for speed measurements up to 250,000 rpm using optional remote sensors and TTL pulse output.


  • Energy efficient with long battery life
  • Lightweight and pocket sized
  • Extremely bright, uniform light
  • Quiet/Cool operation
  • No lamp replacements
  • Diagnostic inspection and RPM checks
  • Digital LCD backlit display
  • Tripod mounting bushing (1/4-20)
  • CE marked, RoHS compliant
  • NIST Certificate included
  • Intuitive one hand operation


Display LCD display with 6 numeric 0.506 inch (12.85mm) high digits and 5 alphanumeric 0.282inch (7.11mm) high digits
Indicators Battery level, On Target, Select, TACH, and EXT icons
Memory Last setting before power down is remembered and restored on next power up. 5 user settable memory locations
Flash Duration Adjustable 0.1 to 2500 microseconds or .1 to 18 degrees of rotation (auto adjusts with flash rate)
Safety This product is designed to be safe for indoor use under the following conditions (per IEC61010-1)
Compliance CE EN61326-1:2006 EMC 2004/108/EC
Operating Temp. 32-104°F (0-40°C)
Humidity Maximum relative humidity 80% for temperature up to 88°F (31°C) decreasing linearly to 50% RH at 104°F (40°C)
Input Power Battery powered: Internal Li-Ion rechargeable batteries 3.6Vdc
Light Source 7 LED Array
Light Ouput Average: 2000 Lux at 6000 FPM 12” from lens, 2° duty cycle, Max light output: 8300 Lux
Color Temp. Approx. 6200°K
Run Time 5 hours typical at 6000 FPM, and 2.8° pulse width with fully charged batteries
Charge Time 4-5 hours typical with supplied charger
Weight 0.6 lbs (0.27kg) including batteries
Dimensions 7.75" x 2.75" x 2.3" (197 x 70 x 58 mm)
Internal Mode
Flash Range 30-300,000 FPM (Flashes per minute) 0.5 to 5000Hz
Flash Rate Accuracy 0.005% of setting or ± last digit
Flash Rate Resolution 0.01 to 1 FPM (menu selectable), 0.1 FPM resolution above 9,999.99 FPM, 1 FPM resolution above 99,999.9
External Modes
Flash Range 0-300,000 FPM (Flashes per minute) 0.5 to 5000Hz
Tachometer Mode 30 to 300,000 RPM
Accuracy ±0.005% of reading or ± last digit
Display Update Rate 0.5 second typical above 120 RPM
Trigger to Flash Delay ~15 µsec
External Input 2.5V to 12V peak pulse 500 nanosec min pulse width, positive or negative edge triggered (menu selectable)
Display Update Rate Instantaneous
Output Pulse 3V pulse. One pulse per flash in internal mode. Mimics input pulse in external mode
Time Base Ultra Stable Crystal Oscillator

Click to view the Instruction Manual

See all versions of the Monarch PLS Pocket LED Stroboscope

PLS Pocket LED Stroboscope