Working Principle‌

The device operates on a thermal measurement principle. Its sealed probe contains two resistors:

Heated resistor‌: Serves as the sensing element.

Reference resistor‌: Maintains ambient temperature.

When fluid flows, heat dissipation from the heated resistor alters its resistance value. The differential resistance between the two resistors determines the flow velocity.

Key Features‌

Maintenance-free‌: No moving parts.

Universal installation‌: Single model accommodates multiple pipe diameters.

Low pressure loss‌.

Integrated functions‌:

Color LCD displays flow trend and switch status.

Built-in temperature measurement with alarm and remote monitoring capabilities.

Applications‌

Media compatibility‌: Liquids (water, oil), gases, and gas-liquid mixtures.

Typical uses‌:

Low-flow alarms.

Pneumatic/hydraulic systems.

Coolant/lubricant flow monitoring.

Pump dry-run protection.

Technical Parameters‌

Category Specifications

Flow Range‌ 0.01–2.0 m/s (water)

Temperature Range‌ 0–100°C (medium) / -20–80°C (ambient/storage)

Temperature Accuracy‌ ±1.5°C (when probe is immersed)

Output Signals‌ ‌Temperature‌: PNP/NPN/IO-link, 4–20mA, 1–5V

‌Flow‌: PNP/NPN/IO-link, 4–20mA, 1–5V

Power Supply‌ 24V DC ±20%

Current‌ Max. 200mA (PNP/NPN), Consumption <100mA

Display‌ 0.96" color LCD (flow/temperature)

Configuration‌ Button-operated settings

Pressure Rating‌ 100 bar

Response Time‌ 1–13s (typically 2s)

Electrical Protection‌ Reverse polarity, short-circuit, overload protection

IP Rating‌ IP67

Materials‌ ‌Housing‌: Stainless steel/engineering plastic

‌Wetted parts‌: 316L stainless steel/EPDM

Connector‌ M12 plug

Note‌: Specifications are subject to customization based on application requirements.

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