Acrel ARTM-8L Real-time Temperature Measuring Device

Specification

● Wireless temperature measurement, maximum measuring 8 points
● 5 digital outputs
● 3 analog output
● LCD
● Auxiliary power supply adapts with AC85~265V/DC100-300V
● 1 RS485 serial communication, Modbus-RTU

• Number of Channels Measured: 8
• Input Signal:
  • NTC (Negative Temperature Coefficient Thermistors):
    • R25 = 10.00kΩ; B25/50 = 3380K
    • R25 = 50.00kΩ; B25/50 = 4150K
    • R25 = 100.00kΩ; B25/50 = 3950K
    • R25 = 30.00kΩ; B25/50 = 3950K
  • PT100 / PT1000 (Three-wire system)
  • Thermocouple support: K, T, J, E, N types; 0–5V
• Measurement Range:
  • NTC: -40°C to 140°C
  • PT100: -200°C to 850°C (depends on PT100 model)
  • PT1000: -200°C to 850°C (depends on PT1000 model)
  • Thermocouple: -200°C to 1372°C (depends on thermocouple model)
• Accuracy Class (Standard Signal):
  • NTC: ±1°C
  • PT100/PT1000: -200°C to 200°C ±1°C; +200°C to 850°C ±1%
  • Thermocouple: 1%, 0–5V: ±0.5%
• Auxiliary Power:
  • Voltage: AC85–265V / DC100–300V
  • Power: ≤ 2W
• Alarm Output:
  • 5 groups of normally open channels
  • Capacity: AC250V/5A, DC30V/5A
• Temperature and Humidity Input:
  • 1 optional channel
  • Temperature: ±1°C
  • Humidity: ±3%
• Transmit Output:
  • 3 channels
  • Transmission range: 4–20mA
• Communication:
  • Protocol: MODBUS-RTU
  • Interface: RS485
  • Baud Rate: 2400, 4800, 9600, 19200
• Operating Environment:
  • Temperature: -20°C to 55°C
  • Humidity: ≤ 95% ​

Characteristic
Measure 8 channels Pt100 temperature, it can also block any of these channels.	LED display	Easy wiring

Dimension

Appearance

Typical connection