MTL3081 Thermocouple Isolator | Zone 0 Safety Solution

MTL3081 Thermocouple Isolator: Direct Hazardous-Area Signal Transfer

Safe Thermocouple Signal Isolation

The MTL3081 takes thermocouple/mV signals from Zone 0 hazardous areas. It sends isolated readings to safe-area instruments. No calibration needed!

Technical Specifications

• Brand/Model: MTL3081 Isolation Series
• Signal Range: ±50mV DC
• Accuracy:
  • 0.05% (≥±10mV input)
  • ±5μV (<±10mV input)
• Response Time: 50ms (to 90% value)
• Temperature Drift:
  • Typical: 1μV + 0.002%/°C
  • Max: 2μV + 0.004%/°C
• Output Impedance: ≤250Ω
• Power Consumption: 10mA max (20-35V)
• Fuse: 50mA semi-time-lag (DIN 41571)
• Weight: 170g compact design

Safety Features

• Hazardous Area Ratings:
  • Zone 0, IIC, T4
  • Div. 1, Group A
• Entity Parameters:
  • Voc=1.2V, Isc=22.5mA
  • Ca=1000μF, La=75mH

Package & Support

• Contents: Isolator unit, documentation
• Warranty: 12-month quality guarantee
• Shipping: FedEx, UPS, DHL (2-3 business days)

Expert FAQs

• Q: Minimum input voltage required?
  A: Operates on 20-35V DC
• Q: Response time for signal changes?
  A: 50ms to reach 90% of final value
• Q: Burnout protection activation speed?
  A: Triggers at >10mV/s change rate
• Q: Acceptable source impedance?
  A: Works best with <500Ω sources
• Q: Power consumption at 24V?
  A: Less than 0.24W typical