OPTOEMU-SNR-3V OPTO 22, OPTOEMU-SNR-3V Datasheet - Page 6

• Manufacturer Part Number: OPTOEMU-SNR-3V
• Description: Energy Monitoring Unit 120/240 VAC (5060 Hz) 32 MB memory
• Manufacturer: OPTO 22
• Type: Energyr

Specifications of OPTOEMU-SNR-3V

• Features: Features:Monitor Real-time Energy Usage from Utility Meters, Electrical Panels, Subpanels and DevicesView Detailed Real-time and Historical Data Online Through Your Chosen Software ServiceCommunicate over Standard 10/100 Mbps Ethernet or Wireless LAN or Both at onceSturdy Metal Enclosure with Standard KnockoutsReal-Time Clock0 to 60°C Operating Temperature
• Function: Energy Monitoring
• Mounting Type: Directly to Panel
• Sensing Mode: Current Transformers
• Technology: Pulse and Direct Sensing
• Voltage, Supply: 120 or 240 VAC
• Accuracy: 0.2 %
• External Width: 15.2cm
• External Depth: 11.4cm
• Input Voltage Max: 400VAC
• External Height: 34.3cm
• No. Of Channels: 8
• Accuracy %: 0.2%
• Lead Free Status / Rohs Status: RoHS Compliant part

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Specifications (continued)
Dry Contact Pulse Inputs
OptoEMU Sensor supplies 15 volts to each external dry contact switch and senses switch closure.
3-Phase Power Monitoring
Opto 22 • 43044 Business Park Drive • Temecula, CA 92590-3614 • www.opto22.com
SALES 800-321-6786 • 951-695-3000 • FAX [phone] • [e-mail] • SUPPORT 800-835-6786 • 951-695-3080 • FAX [phone] • [e-mail]
© 2010–2011 Opto 22. All rights reserved. Dimensions and specifications are subject to change. Brand or product names used herein are trademarks or registered trademarks of their respective companies or organizations.
Open Circuit Voltage (Switch Open)
Short Circuit Current (Switch Closed)
Minimum Off Resistance
Maximum Allowable ON Resistance
(Wire + Contact Resistance)
Turn-on Time
Turn-off Time
Channel-to-channel Isolation
Input-to-output Isolation
Status indicators
Voltage Inputs (each voltage channel)
Input Range
Input Over Range
Resolution
Accuracy (47 to 63 Hz)
RMS Integration Time/ Data Freshness
Input Resistance – Single Ended
Maximum Input
Current Inputs (each current channel)
Input Range
Input Over Range
Input Overload
Resolution
Accuracy (47 to 63 Hz)
RMS Integration Time/ Data Freshness
Input Resistance – Single Ended
Maximum Input
OptoEMU Sensor (Energy Monitoring Unit)
0 to 400 VAC RMS (line to neutral—347 V for a 600 V 3-phase sys-
tem or 277 V for a 480 V 3-phase system)
To 440 volts
10 mV
± 0.2 V plus ± 0.2% reading (at full scale = ±0.2 V + ±0.8 V = ±1.0 V)
1000 ms (synchronous with current measurement)
1 Megohm
NOTE: Because both channels share the same reference terminal,
polarity must be observed when connecting the current channel.
600 V non-operating
0 to 333 mV AC input from current transducer
To 416 mV AC
5 VAC continuous, non-operating
15.1 µV AC
± 266 microvolts plus 0.2% of reading
(at full scale = 266 µV + 667 µV = 933 µV = 0.28%)
1000 ms (synchronous with voltage measurement)
500 K Ohms
NOTE: Because both channels share the same reference terminal,
polarity must be observed when connecting the voltage channel.
5 VAC continuous, non-operating
15 VDC typical (supplied by OptoEMU Sensor)
7 milliamps nominal
>20 K ohms
500 ohms
5 msec
25 msec
8 channels isolated in groups of two
1500 V AC/DC
1 LED per channel