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NV Level Switch
Brand: KOBOLD Instruments, IncThe KOBOLD level switch model NV is a reasonably-priced compact instrument for monitoring levels. A stainless steel cylindrical float attached to one end of a balance arm moves up and down with the liquid level.
The motion of the float is transferred to a permanent magnet fitted at the other end of the balance arm.
The permanent magnet switches a reed contact that is fitted in a sliding tube outside the medium. The tube is set as a N/O contact at the factory, that is, the contact closes when the level rises. The switching function is reversed by moving the tube.
The instruments are delivered in standard sleeves for side installation. PTFE tape is used to seal the switch.
Specifications
Brand
Applications
- Car Washes
- Cleaning Machines
- Heating Boilers
Approvals & Certifications
- ATEX
- cCSAus
- CE
BSP Connection
- G 3/4"
Cable Material
- Polyurethane (PUR)
- PVC
- Silicone Sheathed Cable
Connection Material
- 304L Stainless Steel
- Brass, ms 58
Electrical Connectors
- M27 x 1.5
- PVC Cable
Electrical Contacts
- Bistable Reed Contact
- Changeover Contact
- Normally Closed
- Normally Open
Electrical Rating
- 150/40 Vac, 0.13/0.5 A, 20 W - Changeover Contact
- Maximum
Enclosure / Body Material
- 304L Stainless Steel
- Brass, ms 58
Environmental Protection
- IP65
Hysteresis
- 0.315" (8 mm)
Materials of Construction
- 301 Stainless Steel - Balance Aram & Float
- Polyamide - Contact Tube
Maximum System Pressure
- psi: 232.1 (bar: 16, kPa: 1,600)
Mounting Position
- Horizontal
Operating Temperature
- Maximum
Resistance
- Maximum
Seat / Seal Material
- FPM
- NBR
Sleeve Material
- 304 Stainless Steel
- Brass, ms 58
Spring Material
- 301 Stainless Steel
Switch Type
- changeover Switch
- Normally Open or Normally Closed