Kobold LPS-P Paddle Flow Switch-Air

The monitored air stream acts on the paddle and over a mechanism actuates the dust-proof microswitch that signals whether the set min. or max. volume of air flows. The KOBOLD flow monitor is suited for universal application as the switch/ signalling point can be finely adjusted over a broad range.

Setting
The device is set to 1 m/s at the factory. The switch-off value can be set higher by rotating the range screw. The paddle should be cut at the marking if required (>5 m/s air speed). Thus the min. switch-off value is increased to 2.5 m/s and the min. switch-on value to 4 m/s.

Switching range:
OFF: 1 m/s ... 8 m/s air
ON: 2.5 m/s ... 9.2 m/s air
Connection: square flange
Material: brass
p_max: pressureless
t_max: 85°C

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Features

Applications

• In air ducts in air conditioning systems
• In air discharge and exhaust gas channels
• In pneumatic conveyors
• On filters
• On cyclones
• On cooling and drying plant
• Ventilator/blower performance monitoring

Specifications

Technical Details

• Switch-off values:
  min. 1.0 m/s
  max. 8.0 m/s
• Switch-on values:
  min. 2.5 m/s
  max. 9.2 m/s
• Differential gap: ≥1 m/s
• Mounting position: vertical, in horizontal air ducts
• Inlet and outlet pipe sections: each with 5xDN
• Temperature: max. 85°C (medium and environment)
• Protection: IP 65 (from outside the channel)

Materials

• Paddle: 0.2 mm stainless steel material no. 1.4301
• Lever: brass Ms 58
• Housing: ABS, glass-fibre-reinforced mounting plate zinc-plated
• Connection plate: steel zinc-plated
• Flat gasket: Flexoid

Electrical details
Dust-proof microswitch as single-pole changeover contact

• Switching voltage: max. 24-250 VAC
• Switching current:
  max. 8 A (for inductive load)
  max. 15 A (for resistive load)
• Air temperature: max. 85°C

Electrical connection

• RED-WHITE opens with decreasing speed
• RED-BLUE closes with increasing speed

Download Datasheet: Kobold LPS-P Paddle Switch-Air

Reference : kobold.com