General type temperature transmitter
Model: T990
 
Service intended
These transmitters are recommended be used in the situation where the application of RTD signals to carry to a long distance or to guard against the heavy electrical field noise. The transmitters convert RTD inputs to an analog signal for a direct interface with indicators, recorders, controllers, PLC, DCS systems, and these can be used for a wide range of applications in process control, automatic machinery and hydraulic or pneumatic system design.
 
Advantages 
- Two wire 4 - 20 mA current output signal 
- RTD input 
- Measuring range from -50 ~ 400℃ 
- Fixed range 
- Excellent accuracy and long term stability 
- Low - cost 
- Miniature design
 
Specification
 
Electrical specification
Excitation voltage : 12 ~ 36 V 
Load resistance : Max. 500Ω at 24 V 
Influence of excitation : 0.01% FSO/V 
Burnout : Upscale (Approx. 23 mA DC) or 
Down scale (Approx. 4 mA DC) 
Reverse polarity : Protected 
Shock resistance : No change in performance after 
10Gs for 11ms 
Vibration : 5g (10 ~ 2,000 Hz) 
Response time (10 ~ 90%) : ±0.5 seconds 
Adjustment range : ±15% FSO/zero and span 
 
Performance specification 
Accuracy : ±0.2% FSO 
Non - linearity : Better than 0.01% FSO 
Repeatability : Better than 0.05% FSO 
Long term stability : Better than 0.05% FSO per month 
Ambient temperature limits : -20 ~ 70℃ 
Ambient humidity limits : 5 ~ 95% R.H
 
Input 
Measuring element : Pt 100Ω at 0℃
 
Output 
Current output 
Electrical connection type : 2-wire technique 
Full scale output signal : 20 mA ±0.2% 
Zero measured output : 4 mA ±0.03% 
Other output signals available on request
 
Download:  CATALOG