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LM 100
compact and easy to handle power meter

large analog display
7 ranges (30 mW .. 30 W)
battery operation
integrated charging unit
battery life time: 30 Hrs.
time constant 1 sec.
solid metal case
outer dimensions: 170x120x65 mm³


The read out unit in combination with a thermophile power head is designed to measure the output power of different radiation sources, in particular lasers.

By using the read out unit it is possible to reduce the time constant of the whole measurement system to 1 second. Normally the time constant of a single power head is in the region of 15 to 25 seconds. For connecting the power head a special adapter is required (15pin Sub-D - BNC). The adapter is employed for compensation of sensitivity and thermal constant of the sensor is incorporated.


The LM100 is equipped with a rechargeable battery and charging unit. It is possible to operate the LM 100 either from the mains supply or rechargeable built-in batteries so that it remains versatile and can be adapted to most applications. The batteries are automatically charged when the instrument is plugged into the mains AC power supply. The batteries can also be charged when the LM100 is turned off. The charging circuit prevents the batteries from being overcharged.