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Velleman® K2639 Liquid Level Controller



 | Catalog #: 277-041
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$3.00 (10%)
Valid until: 10/28/14
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Product Summary

Fun and educational.

Velleman's K2639 is a fun liquid level controller that detects fluid levels and operates a bell or other alarm device.

  • Power supply: 12-14VAC or 16-18VDC/100mA
  • Relay output: 240V/3A max
  • Controller PCB: 4.1x2.4"
  • Sensor PCB: 4.1x1"
Pricing and availability: Please note that all prices are subject to change without prior notice. Prices advertised on this site are for online orders only. Prices on some items may differ from those advertised in RadioShack stores. All merchandise may not be available at all stores, and all stores may not participate in all sales promotions. We recommend you contact the store to confirm product availability and price.


Usually ships in 1 - 2 business days

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Other ways to get it

In store: Check availability
By phone: 1-800-843-7422

Manufacturer Warranty

  • Parts: 12 month
  • Labor: 12 month
Tech Specs

Customer Reviews