San Diego, Calif.—VisiPak V437 is a field configurable, digital indicatior, with frequency or pulse input. The ¼-DIN digital panel meter has 0.56-in. eight-segment LEDs and NEMA 4 rating. The unit accepts pulse, open collector, switch closure, TTL, or square wave frequency inputs. Either totalized count or pulse rate are displayed. Standard programmable features include 12 and 24 V excitation source, scaling K-factor, 11 point linearization, peak hold functions, low flow cut-off, security lockout, and four LED alarms. Optional features include relay output for two of the alarms and an isolated programmable 4-20 mA output transmitter. TouchCal technology enables maximum scaling adjustment of zero and span. Action Instruments