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Thermal Mass Flow Sensor

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Further advantages of the Out of Liquid flow sensor include:

• Suitable for aggressive liquids

• High chemical resistance

• No contact between sensor and liquid

• Simple flow switches possible

The IST AG Out of Liquid flow sensors are optimal for measuring liquid flow in aggressive liquids.

Illustration:¹⁾

¹⁾ For actual size, see dimensions

Technical Sensor Data:

Tube dimensions (L x ØOUTER (x ØINNER) in mm)*	40.0 x 4.0 (x 3.8)
Operating temperature range	-50℃ to +150℃ The temperature range has an impact on the accuracy, depending on variations in the thermal properties of flowing media
Heater resistance*	RH (0℃) = 50 Ω (red wires)
Temperature sensor resistance*	Rs (0℃) = 1000 Ω (white wires)
Operating measuring range	0 ml/min to 3000 ml/min (4 m/s)
Characteristics curve (TCR)	3850 ppm/K
Accuracy	IEC 60751 F0.6 (class C)
Sensor wire*	Cu/Ag, stranded wires PTFE isolated, AWG 30/19, 50 mm
Measurement frequency	1 kHz to 100 kHz (recommended 10 kHz)
Sensor dimensions (L x W x H x LW in mm)	2.3. x 2.0 x 1.3
Tube Material*	Stainless steel 1.4301/304

*customer specific versions on request