Loop-powered
Backlighting Option (make this in Yellow highlighting)
The PD660 and
PD661 3-1/2 digit loop-powered meters are perfect for applications where a
simple inexpensive display is required and no AC power is available. And
even if the lighting is poor, the loop-powered backlighting option lets
you see the display under any lighting condition. This option gets its
power from the 4-20 mA input loop so there is no need for additional
wiring and no batteries to ever change. The PD660 and PD661 are housed in
rugged NEMA 4X and Explosion-proof enclosures so they can be mounted
virtually anywhere. The PD661-N-EX and PD661-B-EX have been FM, CSA and
CENELEC approved as explosion-proof as complete products- not just the
enclosures.
