(NEMA 4X Enclosure): 12” x 8.5” x 6.95” (inches)


iSIC External Dimensions

Figure 1: iSIC External Dimensions


Analog Inputs: Standard: (4) differential or (8) single-ended | Optional: (4) differential or (8) single-ended additional | 0-2.5 V auto range. 12-bit resolution

Analog Output: Standard: (1) 12-bit channel | Optional: (1) 12-bit channel | 0-5 V or 0-2.5 V programmable

Power Outputs: 12 V 100 mA configurable switch | 5 V 50 mA analog excitation voltage |12 V output, fused from battery

Pulse Counter: Tipping bucket counter, max rate: 12Hz

Digital I/O Ports: Two standard generic I/O ports

SDI-12 Interface: One SDI-12 port

RS-485 Interface: One RS-485 port

RS-232 Interface: Standard: (3) RS-232 sensor ports | Optional: (3) RS-232 sensor ports additional

Host Interface: One RS-232 host port | SDI-12 or RS-485 port can be configured as slave

Supported Serial Communication Protocols: NMEA 0183 or Modbus RTU

Internal Memory: 2 MB Flash memory, over 500,000 data points minimum

Power Requirements: Voltage: 5 to 16 VDC

Typical Logger Current Draw: 3 mA sleep | 8 mA processing | 36 mA analog measurement

  • Satellite Current Draw: Peak Active: 850 mA | Typical Active: 770 mA | Power Management Available

Battery: 12V 8.5Ah internal SLA battery

Temperature Range: -20°C to +60°C

Supported Satellite Carriers: Iridium has a list of supported carriers available online. Refer to Setting up an Iridium Satellite Account for more information.



REV: 13H02


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