Comunicator Hart Fisher-Rosemount Systems 275 pentru calibrare instrumente automatizari industriale pe protocolul HART.

The HART Communicator interfaces with any HART device from any wiring termination point in a 4-20 mA loop, provided a minimum resistance of 250 ohms is present between the communicator and power supply. The HART Communicator uses the Bell 202 frequency shift keying (FSK) technique.

Emerson 275 Features:

Connects to any HART instrument
Stores over 100 device configurations
Easy operation with programmable hot keys
Intrinsically safe
Specifications:

Program Memory (and Device Description): 12 MB, +4 MB optional
Transmitter Data Memory: 2 KB, 32 KB optional
Lead Connections: Two 4 mm banana plugs
Data Output: 9-pin Sub-D connector
Operating Temperature Limits: 32 – 122° F (0 – 50° C)
Operating Relative Humidity Limits: 0 – 95%
Display: 8-line by 21-character (128 by 64 pixels) LCD
Rechargeable Ni-Cad battery pack
Factory Mutual (FM) intrinsically safe
Weight: ~ 3 lbs