溫度貼紙樣品索取2019自動化展
液體流量計 - 弱酸/弱鹼/化學液體/水/輕重油...

熱質式流量計

品名:熱式流量計/流量開關
Model:TS-FK12

.流量範圍:2 ... 150 cm / s or 3 ... 300 cm / s
.通稱直徑:DN 15 to DN 300
.介質溫度:-20 ... +70° C
.重複性:± 1 %
.輸出信號:4~20 mA、0~10V、頻率輸出、Pulse輸出、開關輸出
.具LED指示燈(開=OK/關=報警/閃爍=編程模式或故障)
.防護等級:IP67
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【熱式流量計 - 工作原理】

熱式流量計使用流體的熱性質來測量在管道或管道中流動的流體流量。

在典型的熱式流量計中,將測量的熱量施加到傳感器的加熱器,利用熱擴散至流體後,隨著流體的流動而被帶走形成溫度分布,再藉由溫度分布的量測,則可得到流體的速度。

 

Measuring range 2 ... 150 cm / s or 3 ... 300 cm / s
acc. to tag position against flow direction (see a.m.; others upon request)
Nominal diameter DN 15 to DN 300 (others upon request)
Connection type Please refer to installation drawing
Media temperature -20 ... +70° C
Environment temperature 0 ... +60° C
Operating pressure 40 bar on use of stainless steel union (pls. obey tightening torque) 6 bar on plastic union
Measurement deviation Dependent on mounting situation and flow conditions (typical: +5% of final value)
Repeatability ± 1 %
Temperature dependency ± 0,01 % / 1 K
Supply voltage 24 V DC ± 10 % (controlled)
Power consumption < 1 W
Analog output 4 … 20 mA / burden max. 500 Ω or 0 … 10 V / load min. 1 kΩ
Switching output Transistor output „push-pull“ (short circuit and polarity safe) lout = 100 mA max.
Frequency output Freely selectable ! Max. 0 … 2 kHz
LED Yellow LED (on=OK / off= alarm / flashing=programming mode or malfunction
Protection class IP67
Electrical connection M12x1 circular plug connector, 4-pin
Conformity CE