Accuracy ± (0.3% of reading + 1digit)

MA901 Multi-loop temperature controller


A catalog download is here.

MA901_03E.pdf (154KB)

Specification files are in Adobe's Acrobat PDF file (version 4.0) format.
Acrobat Reader is required.
Input Thermocouple, RTD, DC voltage
Number of channels 4 channels
Sampling time 1 sec.
Measuring accuracy Thermocouple
±(0.3% of reading + 1 digit) or ±2°C (4°F) whichever is larger

±(0.3% of reading + 1 digit) or ±0.8°C (1.6°F) whichever is larger

DC voltage
±(0.3% of span + 1 digit)
Out of an accuracy guarantee range Thermocouple R, S, B : Less than 399°C
Thermocouple K, J, T, U : Less than -100°C
Control method PID control ( with autotuning and self-tuning function )
* ON/OFF, P, PI and PD control are also selectable.
Control output type Relay contact output
Voltage pulse output
DC current output : 4 to 20mA
Triac output
Communications RS-232C
* MODBUS supported.
External Dimensions 96 x 96 x 100mm ( W x H x D )
Standard function Memory area : 8 areas
Optional function Alarm function : Up to 3 points ( Temperature alarm, Heater break alarm, Loop break alarm )
External contact intput : 5 point ( RUN, STOP, Memory area change )
Go to "Quick Reference Guide" Index Page.