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Features & Description
Overview
Thank you for purchasing a Molectron EM400/EM500. These devices are portable, battery-operated, single-channel
laser joulemeters for production line testing and field service applications. Microprocessor-based instruments, they are
designed to operate with Molectron's J25 and J50 series pyroelectric probes. The EM500 has an added computer interface
capability.
The EM400/EM500 is fast, accurate, and easy to use. It features a large 4-digit numeric display and an AUTO-OFF
feature to conserve battery life. It supports a wide range of user-selected calibration factors and a wide dynamic range of
inputs. It displays directly in energy units. The EM500 features a 3-wire RS232 interface, an analog output, an audible
tuning function, and an internal rechargeable battery. Both units include an AC adapter, which also charges the internal
battery of the EM500.
The EM400/EM500 has three operating modes:
• Normal mode displays the instantaneous energy of the laser on a pulse-to-pulse basis.
• Average mode calculates and displays a user-selected 2-99 pulse average.
• Statistics mode accumulates 2 to 9999 pulses and provides four kinds of numeric results (Average,
Minimum, Maximum, and Standard Deviation) for the accumulated set.
Summary of Contents for ENERGY MAX EM400
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