MTL4046C Hazardous Area Signal Conditioner | Buy Now

MTL4046C Signal Conditioner: Single-Channel 4-20mA Isolator with HART Support

Essential Product Details

Safely drive I/P converters in hazardous areas with 4-20mA signals. Features bi-directional HART communication for valve control. Detects field wiring faults automatically.

Core Capabilities

• 1-channel isolation
• HART digital signals (500Hz-10kHz)
• Open-circuit detection
• Works in Zone 0 hazardous locations
• Drives loads up to 800Ω

Technical Specifications

Brand: MTL Instruments
Model: 4046C (Full suffix: MTL4046C-XXXX)
Input Range: 4-20mA
Over Range: 26.0mA (520Ω max)
Accuracy: ±20μA at 20°C
Response Time: 100ms
Load Range: 90Ω to 800Ω
Ripple: <40μA
Temp Stability: <1.0μA/°C
Power: 20-35V DC
Isolation: 250V AC

Quick Installation

Connect to terminals:
• Input: Terminals 11(-), 12(+)
• Output: Terminals 3(+), 4(-)
• HHC: Terminals 2/8(+) and 5/7(-)

Device Compatibility

Works with:
• HART valve positioners
• Current/pressure converters
• PLC analog output cards
• 4-20mA controllers

Safety Approvals

• ATEX/IECEx: Zone 0, IIC
• FM/CSA: Div. 1, Group A
• Safety: U_o=28V, I_o=93mA

Package Contents

• MTL4046C unit
• Installation guide
• Compliance certificate
• Safety manual

Warranty & Shipping

12-month warranty. Ships via FedEx, UPS, DHL. Delivery in 2-5 days.

Expert FAQs

Q1: Does the MTL4046C work with non-HART devices?
A: Yes, it handles standard 4-20mA signals without HART.

Q2: How does open-circuit detection work?
A: Current drops below 0.9mA when wiring fails.

Q3: Can I connect handheld communicators?
A: Yes, use terminals 2/5/7/8 for HHC access.

Q4: What’s the maximum voltage output?
A: 16V when driving 800Ω at 20mA.

Q5: Is the MTL4046C suitable for Zone 0?
A: Yes, when properly certified for IIC/T4-T6 areas.