200 watt CO2 laser power meter probe on eBay.

New CO2 Laser Power Meter Probe 200 Watts for Laser Engraving Cutting Machines | eBay

More recently, the higher power CO2 glass laser tubes, above 80 watts, and certainly 100, 130, 150, and 180 watts have been more inclined to have shortened lives because the power supply is improperly set. For example, I had an unscrupulous seller who sold me a 150 watt laser with a power supply set at 34 mA. My Mahoney laser power probe measured 145 watts. Then, I contacted the seller because my multimeter read 34 mA. His engineer said the power supply should be set to 30 mA for full warranty on the tube. After setting to 30 mA, I measured the laser output power and got 129 watts. Then, I contacted the company and returned the laser because the seller had actually sold me a 130 watt laser with a 150 watt price tag.

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