Isolation Transmitter Input Signal Range HART Isolating Barrier or HART Signal Conditioner
1.Product overview
2-wire (HART) transmitter, 3-wire transmitter, current source isolated barrier, provide isolated power supplies for transmitter which located in hazardous area. Transfer the 4~20mA signal from hazadous area to safe area. It also allows bi-directional transmission of HART communication signals. The product needs an independent power supply and galvanic isolation among power supply, input and output.
2.Specifications
| Feature | Specification |
|---|---|
| Application | Interface for 2/3-wire transmitters in hazardous areas |
| Field Connection | 2-wire (2 terminals) or 3-wire (3 terminals) |
| Signal | 4–20 mA analog with superimposed bi-directional HART |
| Power Supply | 20–35 V DC (typically 24 V DC), independent source |
| Isolation | Tri-port isolation: Power / Input (Haz.) / Output (Safe) |
| Intrinsic Safety | Complies with ATEX, IECEx, FM standards (e.g., [Ex ia] or [Ex ib]) |
| Hazardous Area | Approved for use in Zone 0/1 or Division 1 |
| Accuracy | Typically ±0.1% of span (for analog signal) |
| Mounting | DIN-rail mount (common for such barriers) |
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