FocusMonitor FM+ PowerMonitor Combination

The combination of the PRIMES FocusMonitor FM+ and the PowerMonitor enables comprehensive measurement of focused laser beam parameters and power in a single setup. In addition to power measurement, the system enables safe, long-term stable absorption of the entire laser radiation, completing the analysis of focused beams. This combination supports measurement of a wide range of processing lasers across multiple applications. From remote welding of copper-based alloys with high-power visible lasers to CO₂ flatbed cutting systems, virtually all areas of high-power laser material processing can be analyzed.

For high-precision power measurement, different versions of the PowerMonitor are available for average powers up to 25 kW (PM 100) or with special functionalities such as electronic self-calibration (EC-PM).

More detailed information on the FocusMonitor FM+ or PowerMonitor can be found in the sections for each individual device.

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MEASUREMENT PARAMETERS
Models: PM 48 / PM 100 / PM HP
Power Range:
PM 48: 0.3 – 8 kW
PM 100: 1 – 25 kW
PM HP: 3 – 150 kW
Wavelength Range:
PM 48 / PM 100: 450 nm, 515–530 nm, 800–1100 nm, 2000 nm and 10600 nm
PM HP: 1000 nm – 1100 nm
Irradiation Time: continuous (all)
Max. Power Density:
PM 48 – at 450 nm, 515–532 nm: 10 kW/cm² | at 800–1100 nm etc.: 15 kW/cm²
PM 100 – at 450 nm, 515–532 nm: 5 kW/cm² | at 800–1100 nm etc.: 5 kW/cm²
PM HP – at 1000–1100 nm: 20 kW/cm²
Divergence (Full Angle):
Min. (convergent): −50 mrad | Max. (divergent): +160 mrad (PM 48) / +180 mrad (PM 100 & PM HP)

DEVICE PARAMETERS
Entrance Aperture:
PM 48: 48 mm | PM 100: 100 mm | PM HP: 90 mm
Accuracy:
PM 48: ± 2.5 % (450, 515-532 nm range), ± 2.0 % (800–1100, 2000 nm, 10600 nm and 1000-1100nm)
PM 100: ± 3.5 % (450, 515-532 nm range), ± 3.0 % (800–1100, 2000 nm, 10600 nm and 1000-1100nm)
PM HP: ± 3.0 % (1000–1100 nm)
Reproducibility: ± 1 % (all)
Time Constant: 15 s up to 99 % of final value

SUPPLY DATA
Power Supply: 24 V ± 5 %, max. 0.5 A
Cooling Water Pressure (min/max):
PM 48: 2 bar / 6 bar
PM 100: 1 bar / 4 bar
PM HP: 1 bar / 3 bar
Minimum Cooling Water Flow: 0.5 l/min per kW (all)
Minimum Cooling Water Flow (Interlock):
PM 48: 4 l/min | PM 100: 8 l/min | PM HP: 25 l/min
Maximum Cooling Water Flow:
PM 48: 12 l/min | PM 100: 30 l/min | PM HP: 150 l/min
Water Pressure Drop: PM HP – 2.1 bar at 75 l/min
Cooling Water Temperature Tin: Dew point temperature < Tn < 30 °C Stability of Cooling Water Temperature: < 1 K/min or < 0.08 K/5 s Compressed Air: Pressure (min/max): 2 bar / 4 bar Purity Class: ISO 8573-1:2010 [7:4:4] COMMUNICATION
Interfaces: RS485 / USB / Interlock / Analog out

DIMENSIONS AND WEIGHT
Dimensions (L × W × H):
PM 48: 394 × 242 × 125 mm (with connectors and device feet)
PM 100: 580 × 330 × 215 mm
PM HP: 600 × 330 × 215 mm
Weight (approx.):
PM 48: 10 kg | PM 100: 44 kg | PM HP: 52 kg