The DPF75 is a combination 6 digit totalizer/batch controller and 5 1 /2 digit ratemeter with two relays for
2-stage batch control or dual rate alarms. One relay can be set for rate alarm, if desired. The totalizer
and ratemeter display in the same engineering units, the ratemeter displaying in units per second,
minute, or hour. The DPF75 can accept two inputs and separately scale them for “A-B” or “A+B” with
display and relay control of the net total in engineering units. Either input A rate or net total can be
displayed. The DPF76 is a 6 digit scalable totalizer/batch controller ONLY with two relays for
2-stage batch control. The DPF78 is a 4 1 /2 digit scalable ratemeter ONLY with two alarm relays.
The optional analog output is proportional to rate or total on the DPF75. To amplify low-level turbine
and paddlewheel flow sensor inputs, order amplifier model number FLSC-AMP.
The DPF70 Series is the ideal solution for many flow meter applications. Omega offers many different
types of flowmeters: paddlewheels, turbines, positivie displacement, annemometers, mass flow, etc. for
many application solutions.
SPECIFICATIONS Input Power: 110 Vac or ±15% or 12 to 15 Vdc; 220 Vac ±15% or
12 to 15 Vdc. Max. current = 250 mA dc or 6.5 VA at rated ac voltage Output Power:
(AC powered units only) 12 Vdc @ 50 mA, unregulated -10 + 50%
Rate Accuracy: ±0.01% full scale +1 LSD K Factor: up to 5 digits Temperature: Operating: 32 to 130°F; Storage: -40 to 200°F Memory:
EEPROM stores data for 10 years if power lost Pulse Input: Low= 0-1 Vdc;
High= 4-30 Vdc; 10 Kohm impedance; up to 10 Khz; min. 0.05 Hz for rate indication Relays: Rated 5 Amps @ 240 Vac or 28 Vdc. SPST, solder jumper selectable for N.O. or N.C.,
relays latch or autorecycle after 0.1 to 99.9 seconds. Panel Cutout: 1.772 H x 3.622" W
(DIN standard); 4.25" depth Shipping Weight: 2 lb
† All amounts shown in USD Note: Comes complete with operator's manual, mounting bracket, gasket, and two screws.
(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)
Ordering Example: (1) DPF75-RS232 ratemeter/batch controller with RS-232 output., $440.00
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