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I-7018R

8-channel Analog Input
High Voltage Protection

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Analog Input
Channels 8 differential
Input Type Thermistor
Thermistor Type +/-15mV
+/-50mV
+/-100mV
+/-500mV
+/-1V
+/-2.5V
+/-20mA
Thermocouple (Type J, K, T, E, R, S, B, N, C, L, M)
Note: choose I-7018Z for accurate thermocouple measurement
Resolution 16-bits
Sampling Rate 10 samples/second
Accuracy +/-0.1%
Band Width 15.7Hz
Zero Drift +/-10uV/°C
Span Drift 25ppm/°C
Input Impedance 20M Ohms
Common Mode Rejection 86dB min.
Normal Mode Rejection 100dB
Input Impedance >400k ohms
Over Voltage Protection 240 Vrms
Open Thermocouple Detection Yes
ESD Protection +/-4 kV (Contact for each channel)
Intra-module Isolation,
Field to Logic
3000 VDC
Interface
Interface RS-485
Format N, 8, 1
Baud Rate 1200~115200 bps
LED Indicators
LED Display 1 LED as Power/ Communication indicator
Power
Input Voltage Range +10 ~ +30 VDC
Power Consumption 1.8W
Physical and Environmental
Operating temperature -25 to 75°C
Storage temperature -40 to 75°C
Humidity 5 to 95%, non-condensing

 

Thermocouple Support
Type Range (°C)
J -210 ~ +760
K -270 ~ +1372
T -270 ~ +400
E -270 ~ +1000
R 0 ~ +1768
S 0 ~ +1768
B 0 ~ +1820
N -270 ~ 1300
C 0 ~ 2320
L -200 ~ +800
M -200 ~ +100
L2 (DIN43710) -200 ~ +900