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TWI-RTX Two-Wire Isolated RTD Transmitter
Brand: Pribusin, IncThe TWI-RTX is an isolated two wire RTD transmitter in a small, easy to install package.
It has easily accessible screw terminals and is built in a rugged housing.
The many different temperature ranges allow it to be used in a great variety of temperature measurement applications.
Features- High Input-Output-Power Isolation (800Vac Test).
- Small Size - Fits Standard Explosion Proof Housing.
- Standard Ranges for 100 Ohm Platinum RTD's.
- Special Ranges Available.
- Industry Standard 4-20 mA Output.
- Loop-powered from Input Loop, no Additional Power Supply Required.
- Wide Operating Range (12 to 60 Vdc).
- High Noise Rejection.
- CSA and NRTL Approved (LR 51078).
Specifications
Brand
Accuracy, Linearity
- ± 0.25 % Max., ± 0.1 % Typical (Linearized to RTD Curve)
Isolation
- Input to Output to Power 800 Vac (Test)
Line Effects
- 0.03 % Per 10 Vdc Line Change (Calibrated for 24 Vdc)
Operating Power (from Output Loop)
- 12-60 Vdc
Operating Temperature
- -20° to +50° C
Output
- 4-20 mA
Response Time
- 100 ms to 63 % of Final Value, 400 ms to 99 % of Final Value
RTD Type
- Platinum, 100 ohms at 0° C, 0.00385 Alpha
Span Drift
- 0.025 % Per °C
Temperature Effects
- ± 0.25 % Max., ± 0.1 % Typical (For 50° C Change)
Zero Drift
- 1 Milliohm/ohm Offset Per °C or 1 Milliohm/°C, whichever is greater