Appendix A Technical Specifications A-21
Appendix A
Table A-12 ADAM-4018M Specifications
Analog input channels Six differential
Two single-ended
Input type mV, V, and mA
Input range J, K, T, E, R, S and B Thermocouple
±15 mV, ±50 mV, ±100 mV, ±500mV,
and ±20mA
Output RS-485 (2-wire)
speed (bps) 1200, 2400, 4800, 9600, 19.2K, 38.4K
maximum distance 4000 ft. (1200 m)
Isolation voltage 500 V
DC
Sampling rate 10 samples/sec(total)
Bandwidth 13.1 Hz
Accuracy ±0.1% or better
Zero drift ±0.3 µV /
o
C
Span drift ±25 ppm /
o
C
CMR @ 50/60 Hz 92 dB min
Input impedance 1.8 MΩ
Storage capacity 128 KB Flash memory
Standard log 38,000 samples (total)
Event log 16,300 samples (total)
Mixed log 16,300 data samples and 9,300 event
samples (total)
Storage type Write to end of memory, or circular memory
Logging mode Standard log, Event log or Mixed log
Sampling interval 2 sec. to 18 hours
Measurement duration 330 minutes to 20 years
Watchdog timer Yes
Power requirements +10 to +30 V
DC
(non-regulated)
Power consumption 1.8 W
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