Digital No-Flow Timer (DNFT) premier The Revolutionary Digital No-Flow Timer for Compressor Lube Syst DNFT perbs monitoring and shutdown functions like No-Flow, Low-Flow or Excessive-Flow for Divider-Block Lubrication Syst. The DNFT is a totally enclosed solid state electronic device for detecting Slow-Flow and No-Flow on in-line progressive lubrication syst. The Digital No-Flow Timer incorporates a crystal oscillator to accuraby monitor the cycle time of the lubrication system enabling precision timed shutdown capability. An internal Lithium battery powers it, which is easily replaceable. The Digital No-Flow Timer is an ISO 9001 certified product and the ISO certification can be viewed here. All Digital No-Flow Timers also come with a 3 year warranty. The DNFTs come in three models to switch voltages up to 240 VDC: DNFT LED model DNFT LCC model DNFT PRG model Slow Internet Connections DNFT LED 2 mins DNFT LED 2 mins DNFT LED 2 mins DNFT LED 2 mins DNFT LED 2 mins DNFT LED-PS 3 mins DNFT LED-PS 3 mins DNFT LED-PS 3 mins DNFT LED-PS 3 mins DNFT LED-PS 3 mins DNFT LCC 45 secs DNFT LCC 45 secs DNFT LCC 45 secs DNFT LCC 45 secs DNFT LCC 45 secs DNFT LCC 2 mins DNFT LCC 2 mins DNFT LCC 2 mins DNFT LCC 2 mins DNFT LCC 2 mins DNFT LCC 3 mins DNFT LCC 3 mins DNFT LCC 3 mins DNFT LCC 3 mins DNFT LCC 3 mins DNFT LCC 255 secs DNFT LCC 255 secs DNFT LCC 255 secs DNFT LCC 255 secs DNFT LCC 255 secs DNFT PRG 20 to 255 secs DNFT PRG 20 to 255 secs DNFT PRG 20 to 255 secs DNFT PRG 20 to 255 secs DNFT PRG 20 to 255 secs DNFT PRG 20 to 255 secs DNFT PRG-PS 20 to 255 secs DNFT PRG-PS 20 to 255 secs DNFT PRG-PS 20 to 255 secs DNFT PRG-PS 20 to 255 secs DNFT PRG-PS 20 to 255 secs DNFT PRG-PS 20 to 255 secs DIGITAL NO-FLOW TIMER, MODEL:DNFT-PRG,