|
LOGGER
SPECIFICATIONS
|
| Temperatures |
-40°C
to +60°C Operating (Display -20°C
to +60°C) |
| Processor |
486
Class processor @66 MHz |
| Memory |
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
|
| Battery
Backup |
Not
needed for Log because memory is flash.
Internal lithium battery used for clock
only: 2 years min. |
| Watchdog
Timer |
System
reset upon microprocessor failure |
| Sample
Intervals |
Multiple
sample intervals can be set at increments
of 1 sec. to 24 hr. in 1 second increments |
| Data
Retrieval |
Through
RS-232 Ports and optional PCMCIA card |
| On
Board Display |
2
line by 20 character alphanumeric LCD |
| External
Display |
Full
feature Windows display |
| SDI-12 |
Dedicated
SDI-12 V1.3 |
| Communications |
Three
RS-232 ports that can support |
| Up
to 3 Comms |
Satellite
Radio, LOS Radio, & Telephone Modem
with Speech Synthesis Up to 3 of the
following: Satellite Radio, LOS Radio,
Telephone w/Modem & Speech Synthesis,
Direct Connect MODBUS Communications
Protocol via LOS radio, CDPD modem
INTERNET connection or dial up telephone |
| Power
Supply |
No
internal battery or charger. External
12V. battery operates Xlite. |
| Power
Consumption |
Quiescent: <2
mA Typical Avg: 2 1/2 mA @ 15 - minute
intervals of shaft encoder sample |
| Digital
Inputs & Outputs |
8
digital I/O lines, 1 hf (8Kz), 2 input
only 6 bidirectional 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. |
| Shaft
Encoders |
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 |
| Tipping
Bucket Input |
100
Kohm pullup for switch closure Rain
Gages software debounced uses 1 digital
input each |
| Counter
Inputs |
Input
Frequency: 1 channel @ 8kHz max, 7 channels
@1 kHz max. |
| Counter
Accuracy |
± 0.1%
with 32 bit resolution. Expandable
using external I2C modules |
| Analog
Inputs |
10
Inputs single ended, or up to 5 differential,
expandable using external I2C modules |
| Resolution |
16
bits |
| Accuracy
Ratiometric |
± 0.01%
of full scale |
| Absolute
Accuracy |
0.1%
-40-+60C |
| Input
Range |
0-5
V full scale |
| Voltage
Measurement |
5
V single ended ± 2.5 V differential |
| DC
Excitation Output |
+2.5,
+12V Expandable using external I2C modules |
| Pressure
Transducer |
Bridge
type sensors require 2 channels Voltage
output sensors require 1 channel. Current
output sensors require external bridge
completion resistor 1 channel. |
