1. Brief Introduction
LU-902M has two-status and three-status control mode. Alarm may be willfully set for upper limit alarm, lower limit alarm, deviation alarm or none alarm, on the temperature control situation, alarm output commonly used to be the auxiliary refrigeration output.

2. The main Technical Parameters
◆Input accuracy: ± (0.2%F.S+1) digit
◆Resolution: 1, 0.1
◆Display: Double Four LED Numerical Code Tube
◆input type:  K、S、B、T、E、J、WRe325、N
Pt100、Cu50、Cu100
0-10 mA、 4-20mA
0-5V 、1-5V
special input: R 、Wre526 、mV、other
◆output model types：
J1: relay output (resistance 250VAC/3A normally open and hold)
J2: relay output (resistance 250VAC/0.8A normally open)
T: SSR trigger output (12V/40mA)
V1：DC12V/50 mA sensors power supply model
V2：DC24V/50 mA sensors power supply model
V3：DC5V/50 mA sensors power supply model
R：RS232 communication model
S：RS485 communication model
◆the T.C cold-junction compensation errors: ±1 ℃
◆the T.C break or measuring range ultra: Display Sb
◆sampling rate: 0.5 seconds
◆power voltage: 85-264VAC
◆power consumption: 4W
 

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