Technical Specifications of Explosion-proof Flow Switch NK600EXD

Product Description‌

The NK600EXD is a corrosion-resistant, explosion-proof flow switch designed for both pneumatic and hydraulic systems. It provides reliable monitoring for:

Coolant/lubricant flow interruption detection

Pump dry-run protection

Key Technical Parameters‌

Category Specifications

Measurement Range‌ 1–150 cm/s (water), 3–300 cm/s (oil), 20–2000 cm/s (air)

Output Signals‌ PNP, NPN, Relay (SPDT with NO+NC contacts)

Power Supply‌ 24V DC ±20%

Current Rating‌ Max. 400mA (PNP/NPN), 1A @ 48V AC/DC (relay)

Standby Current‌ ≤80mA

Flow Indication‌ 6-segment LED bar

Setting Method‌ Potentiometer adjustment

Pressure Rating‌ 100 bar

Temp. Gradient‌ ≤4°C/s (medium)

Response Time‌ 1–13s (typical 2s)

Initialization Time‌ 8s

Electrical Protection‌ Reverse polarity, short-circuit, overload protection

Explosion Proof‌ ExdII CT6

IP Rating‌ IP67

Temperature Ranges‌ ‌Medium‌: -20–100°C, ‌Ambient‌: -20–80°C, ‌Storage‌: -20–100°C

Connection‌ M12 connector

Materials‌ ‌Probe/Housing‌: Stainless steel

Repeatability‌ ±2%

Ordering Notes‌

Verify the following before finalizing orders:

Model compatibility

Measurement range accuracy

Output signal type

Optional accessories

(Translation strictly adheres to the source technical specifications while removing promotional content.)