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Flange type explosion-proof flow switch

Brand：ZANKE
Model：
Description：Introduction Thermal dispersion flow switch is a precise flow sensing device, whose movement principle is heat diffusion. The probe consists of two temperature sensors. One sensor measures the temperature of the fluid when the probe is imme
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Introduction
Thermal dispersion flow switch is a precise flow sensing device, whose movement principle is heat diffusion. The probe consists of two temperature sensors. One sensor measures the temperature of the fluid when the probe is immersed. The other sensor is heated by a constant power. This creates a temperature difference between two sensors.
Temperature difference is an inverse ratio to the flow velocity. The probe and housing are made by stainless steel or engineering plastic.
This creates a temperature difference between two sensors. Temperature difference is an inverse ratio to the flow velocity. The probe and housing are made by stainless steel or engineering plastic.

Thermal Conductivity Flow Switch (explosion-proof )NK33EX

Flange type explosion-proof flow switch

Specification

Flow velocity: 1~150 cm/s (water), 3~300 cm/s(oil) or, water: 1~70 cm/s, oil: 2~100 cm/s
Warm-up time: 15 sec. (approximate)
Operation temperature:-4?F~176?F (-20?C~80?C)
Ambient temp: -4?F~176?F (-20?C~80?C)
Operation pressure: 100 bar
Housing rating: IP67
Enclosure material/rating: Aluminum / Ex d IICT6
Wetted materia: 304SS
Supply voltage: 24Vdc A 20%
Output: Open collector---NPN / PNP, 400 mA max. (with current limiting).

Relay--- 1A/30Vdc, 0.3A/125Vac (NO or NC), 5A/250Vac max. (NO)

Dimension (G1/2)

Order information

For more product detailsand purchases, please contact E-mail:noike009@foxmail.com / noike009@163.com

Technical Specifications of Thermal Flow Switch Technical Specifications of Thermal Flow Switch

Home> English Website products flow switches

Flange type explosion-proof flow switch

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