MTL4646Y HART Communication Isolator – 4/20mA Signal Converter

MTL4646Y HART Signal Isolator – Reliable 4/20mA Converter with Open-Circuit Detection

Technical Data

• Brand: MTL
• Model: MTL4646Y (Open-circuit detection only)
• Series: 4600 Series Signal Conditioners
• Type: HART Isolator
• Working Range: 4-20mA (under-range 1mA, over-range 24mA)
• Frequency Response: 500Hz-10kHz (HART signals)
• Load Resistance: Max 800Ω (Min 90Ω for short-circuit detection in MTL4646)
• Accuracy: Better than 20µA at 20°C
• Temperature Drift: <1.0µA/°C
• Power: 24V DC, 0.8W dissipation
• LED Indicator: Green (power status)

Key Features

• Open-circuit detection (current <0.5mA).
• Compatible with HART-enabled devices.
• Fast response: settles within 100ms.
• Low ripple: <40µA peak-to-peak.

Installation & Compatibility

• Wire to 4-20mA source and load (≤800Ω).
• Works with valve positioners, I/P converters, and process controllers.
• Certified for industrial use (details on request).

Diagnostics & Support

• Detects field wiring faults (open circuits only).
• LED confirms power status.
• 12-month warranty included.

FAQ

• Q: Does it detect short circuits?
  A: No (MTL4646Y detects open circuits only).
• Q: Shipping options?
  A: FedEx, UPS, DHL available.