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头安装式温度发送器(RTD）R912

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产品描述

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

Standard features

Electrical specification	Excitation voltage : 18 ~ 30 V Load resistance : Max. 500 Ω 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 % of full scale / Zero and span
Performance specification	Accuracy : ±0.2 % of full scale Non - linearity : Better than 0.10 % of full scale Repeatability : Better than 0.05 % of full scale Long term stability : Better than 0.05 % of full scale per month Ambient temperature limits : -20 ~ 70 ℃ Ambient humidity limits : 5 ~ 95 % R.H
Input	Measuring element : Pt 100 Ω 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
Certificates	KCS Ex d IIC T6