MTL Instruments | Driver isolante MTL4546Y
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Tipo:
Driver Isolante
- Tags Isolating driver , Mtl
Informazioni sul prodotto
Convertitore MTL4546Y 4-20mA per aree pericolose con supporto HART
Specifiche principali
| Parametro | Specifiche |
|---|---|
| Segnale di ingresso | 4-20mA (1-24mA sotto/sovraccarico) |
| Capacità di uscita | Carico max 800Ω (16V @ 20mA) |
| Larghezza di banda HART | 500Hz - 10kHz |
| Precisione a 20°C | ±20μA |
| Tempo di Risposta | 100ms a ±200μA |
Caratteristiche di sicurezza e protezione
| Certificazione | Zona 0, IIC, T4-T6 / Div. 1, Gruppo A |
| Rilevamento guasti | Circuito aperto (<0.5mA), Corto circuito (<50Ω) |
| Isolamento in uscita | >1MΩ impedenza |
Qualità del segnale
| Ripple | <40μA p-p (ingresso & output) |
| Stabilità della temperatura | <1.0μA/°C deriva |
| Comunicazione digitale | Segnali HART bidirezionali |
Applicazioni tipiche
- Posizionatori pneumatici di valvole nelle raffinerie
- Convertitori corrente-pressione negli impianti chimici
- Circuiti di controllo abilitati HART con monitoraggio dei guasti
- Sistemi di controllo di processo che richiedono rilevamento di circuito aperto/corto
Linee guida per il cablaggio
| Carico minimo | 90Ω (per una corretta rilevazione dei guasti) |
| Carico ottimale | 520Ω per sovraccarico a 24mA |
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- Custom Calibration: Provide your specifications, and we’ll handle the rest with precision.

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