4 MB flash disk provided for the log & application Upgrades expandable using PCMCIA optional feature to >1 Gigabyte (1000MB) 4MB Flash Operating system
8 MB RAM

Not needed for Log because memory is flash. Internal lithium battery used for clock only: 2 years min.

Multiple sample intervals can be set at increments of 1 sec. to 24 hr. in 1 second increments

Three RS-232 ports that can support Satellite Radio, LOS Radio, & Telephone Modem with Speech Synthesis
Up to three of the following: Satellite Radio, LOS Radio, Telephone w/Modem & Speech Synthesis, Direct onnect MODBUS Communications Protocol via LOS radio, CDPD modem INTERNET connection or dial up telephone

8 digital I/O lines, 1 hf (8Kz), 2 input only 6 bi-directional Inputs can be configured to support shaft encoders, tipping buckets, counters and binary inputs. Software Control of switched 12VDC power. Expandable I/O using external I2C modules - 2 low level for tipping bucket or wind speed/wind direction without amplifier.

Quadrature output encoder (3 max.) uses 2 digital inputs each. 7 bit gray code encoder (1 max) uses 7 digital inputs Expandable using external I2C modules

100 Kohm pullup for switch closure Rain Gages software debounced uses 1 digital input each

± 0.1% with 32 bit resolution. Expandable using external I2C modules

10 Inputs single ended, or up to 5 differential, expandable using external I2C modules

Bridge type sensors require 2 channels Voltage output sensors require 1 channel. Current output sensors require external bridge completion resistor 1 channel.