(NEMA 4X Enclosure): 12” x 8.5” x 6.95” (inches)
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
- Radio Power Requirements: 21 mA idle | 86 mA receive | 500 mA transmit | power management available
Battery: 12V 8.5Ah internal SLA battery
Temperature Range: -20°C to +60°C
Data Transfer Rate: 115.2 Kbps
Frequency Range: 902-928 MHz
Communication Range: 5 miles line of sight, extended range with repeaters
Error Correction: 32-bit CRC auto re-transmit
REV: 13H02