Dual Ratemeter/Totalizer
Two Separate Ratemeters, Totalizers With Combination Function |
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$
368.00
DPF82
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Displays A, B, & C Rate & A, B, &C Total
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Separate Scaling Factors For A & B Inputs
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C Displays A+B, A-B, A÷B, & A÷ (A+B)
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Pulse Input-10kHz Max.
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Security Lockout
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NEMA 4X/IP65 Front Panel
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30mV Magnetic Pickup Inputs
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4-20mA or 0-20mA Analog Output
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CSA Approved
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View related products - Instrumentation and Accessories
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The DPF80 series (Dual Rate Totalizer) is a 5 digit Ratemeter, 6 digit Totalizer in a 1 /8 DIN package.
The DPF80 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.
User selects 1 of 6 displays to show A, B or C rate and A, B or C total. Inputs A and B have separate
scaling to read in engineering units. A 4-20mA (0-20mA) output of the C rate or total is optional.
The user can press the VIEW button to see 6 separate items, total A, total B, total C, rate A, rate B, rate C.
Negative values are displayed with a negative symbol (-12345). For the C value, the user can choose from
the following combination of A&B inputs: TOTAL; with a choice of A+B or A-B, RATIO; with choice of
A ÷ B (x100) to show percent of A to B quantity or A ÷ [A + B (x100)] to show percent of A to total quantity.
Two independent presets are standard. User selects whether output A is activated by total or rate value of
input B or selected C. Outputs activated by A or B total can be set to latch or auto recycle with an adjustable
output duration from 00.1 to 99.9 sec. For rate, ratio, or C total, outputs pull in when value (equal or above the
preset and drop out when value) is below the preset minus the selected 0 to 99.9 hysteresis.
K FACTOR/SCALING
The DPF80 series has two separate K-Factors that are used to
convert the input pulses to engineering units. The 5 digit K-Factor dividers, with decimal keyed into any
position, allow easy direct entry of any K-Factor from 0.0001 to 99999. Separate factors may be entered
for the 2 separate input channels. .
CONTROL OUTPUTS.
Relays:
2 each N.O. Relay; 10 Amps 120/240 Vac or 28 Vdc. (N.C. relay contacts and NPN transistor output
available with solder jumpers. Transistor output is internally pulled up to 10 Vdc through relay coil, sinks
from 10 Vdc to 0.5V @100mA)
Analog Output:
An optional 4-20 mA (0-20mA) output is
available. The output can be programmed to track rate or total of the C display. This feature is available
by adding suffix A to the part number. Connections are via a 2 terminalpluggable screw connector.
Programming is accomplished by using the front panel in conjunction with rear dip switches.
Accuracy:
50 µA worst case
Compliance Voltage
3 to 30 Vdc non inductive
PRESETS
Two control outputs are provided. To set relay values, press “menu” button
until “Relay” appears on the display, the A and B outputs can be assigned to the A, B or C displays.
A 5 digit value can be entered for both presets and the decimal point location is the same as the counter.
the outputs can be set to energize from 0.1 to 99.9 seconds or latch (0.0). If a value other than 0.0 is entered,
the counters will auto reset at the preset (for A& B counters).
LOCKOUT
Unauthorized front
panel changes can be prevented by entering a user selected 5 digit code. The front panel can be completely locked out or the presets can remain accessible.
RATEMETER
Accurate to 41 /2 digits (±1 display digit). The ratemeter uses 1/tau with 8 digit math, can sample from 2 to 24 seconds maximum, and auto-range up to 5 digits of significant information. In the “RPS” mode, the ratemeter displays in units per second, and in the “scale” mode, units per hour or per minute. The unit will display the rate of the A&B Inputs.
COUNTER
The two 6-digit counters can count at 10 KHz speed. Each has a separate 5-digit dividing scale factor. The counters advance on the positive edge of each pulse. Besides being able to step through the total and rate values of A & B inputs, the user can see a selected combination of total and rate of A+B, A-B, A÷B x 100 (percent of A to B), A ÷ (A+B) x 100 (percent of A to Total). A negative display will be viewed as a 5 digit display with a negative symbol (-12345).
Please download PDF file below for full product specifications
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† All dollar amounts on this site are shown in US currency.
Note: To order unit with 24 Vac power add -24V to model number. For units with 220 Vac add -220V to the model number (these voltage options are no extra charge). To order unit with CE approval, add -CE to the model number and add $125 to the price. To order units with analog output add -A to the model number and $131 to the price.
(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)
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Keywords:(DUAL RATE/TOTALIZER)
Two Separate Ratemeters, Totalizers With Combination Function
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