National Instruments FieldPoint cFP-RTD-122, Руководство по эксплуатации

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FP-RTD-122 and cFP-RTD-122 12 ni.com
Offset error, 4,000
Ω
range
15 to 35 °C ........................... 0.2
Ω
typ, 0.7
Ω
max
–40 to 70 °C......................... 0.8
Ω
typ, 4.0
Ω
max
Gain error
15 to 35 °C ........................... 0.01% typ, 0.02% max
–40 to 70 °C......................... 0.07% typ, 0.1% max
Resolution
400
Ω
range.......................... 0.0061
Ω
4,000
Ω
range....................... 0.061
Ω
Excitation current.............................. 135 ms pulses of 0.25 mA
every 1,080 ms
Input noise
........................................±
1 bit peak-to-peak
Input bandwidth ................................ 3 Hz
Update rate........................................ Each channel is updated
every 1.08 s
Physical Characteristics
Indicators .......................................... Green POWER and
READY indicators
Weight
FP-RTD-122 ............................... 140 g (4.8 oz)
cFP-RTD-122 ............................. 110 g (3.7 oz)
Power Requirements
Power from network module ............ 350 mW
Isolation Voltage
Channel-to-channel isolation ............ No isolation between
channels
Transient overvoltage........................ 2,300 V
rms
Environmental
FieldPoint modules are intended for indoor use only. For outdoor
use, FieldPoint modules must be mounted inside a sealed
enclosure.
Operating temperature ...................... –40 to 70 °C
Storage temperature .......................... –55 to 85 °C
Humidity ........................................... 10 to 90% RH,
noncondensing