MTL4581 | Intrinsic Safety Certified | Fast Response

MTL4581: Intrinsically Safe Thermocouple Isolator for Hazardous Areas

Technical Specifications

• Brand/Model: MTL4581 Standard Series
• Measurement Range: 0 to ±50mV (±55mV overrange)
• Frequency Response: DC to 4kHz
• Accuracy: ±0.05% or ±5μV at 20°C
• Response Time: <150μs to 90% value
• Temp Stability: <2μV/°C drift
• Power: 20-35V DC (0.7W @24V)
• Safety Cert: ATEX/IECEx Zone 0, UL Div.1

Suffix Information

• Base Model: MTL4581
• Options:
  • -A: Upscale burnout default
  • -B: Downscale burnout default
  • -EX: ATEX certified
  • -UL: UL/cUL certified

Installation & Compatibility

• Max 600Ω lead resistance
• Terminals 1-2: <1.5V/0.1A/25mW non-energy-storing
• DIN-rail mounting
• Compatible with all IS loops (<28V open-circuit)

Diagnostics & Maintenance

• Green LED power indicator
• Manual safety drive override switches
• No calibration needed
• Tool-free terminal access

Packaging & Support

• 12-month warranty
• Shipping: FedEx/UPS/DHL (48h dispatch)
• Includes: Isolator unit, certification docs, mounting clips

FAQ

• Q: Burnout response time?
• A: Immediate circuit switching
• Q: Min. compatible thermocouple?
• A: Type J/K/T/E (any mV source)
• Q: Operating temp range?
• A: -20°C to +60°C (T4-T6 compliant)