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Reduce complexity and simplify the day-to-day operations of your diverse temperature applications with the versatile Rosemount 644 family of temperature transmitters. Make better decisions for your process with the new and easy-to-use Rosemount 644 transmitter capabilities including diagnostics, safety certification, integral transient protection and display options.
Rosemount Temperature Transmitter, 644 Series, 4 to 20 mA Outputs, NPT Connection, +/-0.15 deg C Accuracy, 95 % Humidity Rating, 250 to 1100 Ohm Loop Resistance, +/-0.15 % Stability, 12 to 42.4 V, Aluminum, Additional Information: 3 in Dia Junction Box, 1/2 in Entry Size, LCD Display
| Accuracy | : | +/-0.15 deg C |
| Additional Information | : | 3 in Dia Junction Box, 1/2 in Entry Size, LCD Display |
| Connection Type | : | NPT |
| Humidity Rating | : | 95 % |
| Loop Resistance | : | 250 to 1100 Ohm |
| Material | : | Aluminum |
| Outputs | : | 4 to 20 mA |
| Series | : | 644 Series |
| Stability | : | +/-0.15 % |
| Voltage Rating | : | 12 to 42.4 V |
- DIN head and field-mount form factors
- Enhanced display with local operator interface (LOI)
- Integral transient protection
- Transmitter sensor matching with Callendar Van Dusen constants
- 4 to 20 mA with digital signal based on HART® protocol
- DIN A head-mount, single sensor input
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