Nhà sản xuất: MTL Instruments

Product no : MTL4041B

Product type : Repeater Power Supply

4/20mA, smart, for 2- or 3-wire transmitters

The MTL4041B provides a fully floating dc supply for energising a conventional 2- or 3-wire 4/20mA transmitter or a smart transmitter located in a hazardous area, and repeats the current in another circuit to drive a safe-area load.

Number of channels: One

Location of transmitter: Zone 0, IIC, T4 6 hazardous area if suitably certified

Div.1, Group A, hazardous location

Voltage available for transmitter and lines : 15V minimum at 20mA

Note: maximum open-circuit voltage is 28V

Input and output signal range : 4 to 20mA

Over-/under-range: 1.0mA to 21.5mA

Digital signal bandwidth: 10Hz to 8kHz

Safe-area circuit load resistance: Conventional transmitters: 0 to 650 Smart transmitters: 250 ±10%

Safe-area circuit output resistance: >1M

Safe-area circuit ripple: <50µA peak-to-peak up to 80kHz

Transfer accuracy at 20°C: Better than 20µA

Temperature drift: <1µA/°C

Response time: Settles within 200µA of final value within 20ms

LED indicator Green: one provided for power indication

Power requirement, Vs: 65mA at 24V dc/ 75mA at 20V dc/ 50mA at 35V dc with 20mA signal

Power dissipation within unit: 1.2W at 24V with 20mA signal/ 1.4W at 35V

Isolation : 250V ac between safe- and hazardous-area circuits

Khối lượng đóng gói : 1 Kg