MTL5582B

Product Overview

The MTLx582B connects to a 2-, 3-, or 4-wire resistance temperature device (RTD) or other resistance located in a hazardous area, isolates it, and repeats the resistance to a monitoring system in the safe area.

Technical Specifications

• Number of channels: One
• Location of RTD: Zone 0, IIC, T4 hazardous area; Div. 1, Group A, hazardous location
• Resistance source: 2-, 3-, or 4-wire RTDs to BS 1904/DIN 43760 (100Ω at 0°C); user selectable by switches (factory set for 3-wire)
• Resistance range: 10Ω to 400Ω
• RTD excitation current: 200μA nominal
• Output configuration: 2, 3, or 4 wires (independent of mode selected for hazardous area terminals)
• Output range: 10Ω to 400Ω (from a 100μA to 5mA source)
• Temperature drift: ±10mΩ/°C typical (0.01%/°C @ 100Ω)
• Response time: To within 4% of final value within 1s
• Safety drive on open-circuit sensor: Upscale to 420Ω nominal
• Transfer accuracy @20°C: <0.15Ω at excitation current 1–5mA; <0.25Ω at excitation current 0.5–1mA
• LED indicator: Green for power indication
• Power requirements, Vs: 33mA at 24V; 35mA at 20V; 28mA at 35V
• Maximum power dissipation within unit: 0.8W at 24V; 1.0W at 35V
• Safety description:
• Terminals 1 and 3: Uo = 1.2V, Io = 4mA, Po = 1.2mW, Um = 253V rms or dc; Non-energy-storing apparatus ≤ 1.5V, ≤ 0.1A, ≤ 25mW
• Terminals 1, 3, 4, and 5: Uo = 6.51V, Io = 10mA, Po = 17mW