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The EL-USB-5 data logger can record events (detecting an input and storing the time and date of occurrence), record state changes (similar to an ‘event’ but also recording when the input reverts back to normal) and count events (count the number of events that happen in a time period, without any individual event time or date information). Up to 32,510 events or 32,510 state changes can be recorded.
Events and state changes can be triggered by either a rising edge (a voltage going from low to high) or falling edge (a voltage going from high to low). It is also possible to use volt free contacts. Instead of measuring an external voltage, the data logger applies a voltage across the screw terminals and detects when the input closes (i.e. a relay or microswitch).
Fast logging rates allow event capturing at speeds of up to two times per second and state changes at speeds of up to five times per second. Event counting can operate at speeds of up to 100 times per second (when the LEDs are turned off). The user can easily set up the logger, and download the stored data by plugging the data logger into a PC’s USB port and running the purpose designed software under Windows 2000, XP, Vista & 7. Data can then be graphed, printed and exported to other applications.
The data logger is supplied complete with software, measurement leads terminated with crocodile clips and a long-life lithium battery which allows logging for up to 1 year. Functionality of the unit is indicated by flashing red and green LEDs, with an option to flash the red LED every time an event occurs.
|Functions as an event, state, and counter logger|
|Logging rate of up to five times per second for events, two times per second for state changes and 100 times per second when counting|
|Stores up to 32,510 readings in event mode|
|Stores up to 32,510 readings in state change mode|
|Accepts input voltages of up to 24V|
|Volt free contacts option (normally open contact only)|
|Rising and falling edge triggering|
|LED flash on event / state change|
|Connection via two screw terminals|
|USB Interface for Set-up and Data Download|
|Replaceable Internal Lithium Battery|