45
A.5 Serial Interface (All LC-2 Models)
Speed: 9600 and 115,200 bps (version 5.2.X and later)
Parameters: Eight Data bits
One Stop bit
No Parity
No Flow Control
Data output format: ASCII text
A.6 RS-485 Network
Maximum nodes:
256
Maximum cable length: 4000', 1.22 km
A.7 Vibrating Wire Measurement
Excitation sweep range:
400 Hz to 4500 Hz
Frequency Measurement Technique: Adaptive Multiple Period Averaging
Accuracy:
0.05% F.S.R. (450-4000 Hz)
Resolution:
0.001 digit
A.8 Internal/External Temperature Measurement
Thermistor:
Dale #1C3001-B3 (YSI 44005)
(Standard)
Thermometrics BR55KAKA822J (High Temp 1)
U.S. Sensor 103JL1A
(High Temp 2)
Transducer accuracy:
±
0.5
°
C
Measurement accuracy:
0.5% FSR
Resolution:
0.01
°
C (Internal)
0.1
°
C (External)
Linearization error:
0.02% FSR
Temperature range:
−
40 to +60
°
C Standard Thermistor
0 to +200º C High Temp Thermistor
Overall accuracy:
1.0% FSR (
±
1
°
)
A.9 Main Battery Measurement
3V Battery:
12V Battery:
Range:
0 to 7.5 VDC
Range:
0 to 15 VDC
Accuracy:
±1.83mV
Accuracy:
±3.662mV
Resolution: 0.01 VDC
Resolution: 0.01 VD