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The OM-DVCV is a self-contained, precision instrument for recording true RMS AC current and AC voltage up to 600 Volts and 300 Amps. It measures RMS signals up to the 25th harmonic at 50 Hz. The OM-DVCV can store up to 21,672 points when recording both voltage and current or 43,344 samples when recording only voltage or only current. Logging rates between 1 second and 9 hours are available. The start of recording is software selectable to be immediate, delayed, or initiated when the Start button is pressed

The OM-DVCV features a display that allows the user to see measured current, voltage and power (in Watts). In addition, the unit graphs the current and voltage that has been logged during the logging session. A summary screen shows information about the logging rate, the number of samples recorded, the length of the recording and the amount of time left for recording.

Easy-to-use Windows software is included with the OM-DVCV. The software is a full-featured program that allows you to set-up all data logger functions including sampling rate, logging duration, start mode, logging mode, and high and low alarm values. Once data has been logged, the program then allows you to download data from the logger, plot the data and export the data to an ASCII text or Excel® file format for further analysis.

Specifications

DATA LOGGER

Measurement Type: True RMS up to 1260Hz 

Current:

• Range: 1 to 300 Amps AC
• Accuracy: ±1.0 A
• Resolution: 0.2 A

Voltage:

• Range: 1 to 600 Volts AC
• Accuracy: ±0.4V
• Resolution: 0.2V

Text Display: Displays real time current, voltage and watts; displays logging summary, sample rate, memory used and memory left

Graph Display: Shows measurement trends graphically; graph can be scrolled through the entire logged data

Sample Point Capacity: 43,344 points for current or voltage only; 21,672 points for current and voltage

Sampling Interval: User selectable from 1 second to 9 hours, in 1 second increments

Alarms: Visual over and under alarm indicator for current and voltage; (watts alarms are not available)

Calibration: No user calibration is available

Operating Temperature: -10 to 65°C

Storage Temperature: -20 to 70°C

Time Accuracy: ±100 ppm @ 24°C 

Power: Three “AA” batteries (included)

Battery Life: 1 year continuous use, 2 years average use; the logger automatically turns itself off after 1 hour, when not logging; turn on by pressing any button

Dimensions: 10.2 W x 7.7 H x 3.8 cm D

Weight: 200 g

SOFTWARE

PC Interface: USB port

Operating System Compatibility: Windows® XP, Vista, 7, 8 and 10 (32-bit and 64-bit)

Recording Start: On button press, immediate after set-up, or at a user specified date and time

Recording Mode Stop: On memory full, or continuous recording with memory roll-over

Real Time Status: Visual indication through the status LED. Software real time status.

User Information: Up to 30 characters 

Logger Channels: User selectable; disabling channels increases the storage capacity of the other channels

Data Format: Exportable to text or Excel® files