Two Stage Batch Controller/Ratemeter |
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Two Stage Batch Controller/Ratemeter
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The DP-F31 ratemeter/totalizer
accepts 3 to 30 Vdc pulses,
dry-contact closure, voltage, or
milliamp inputs, and provides
2-stage SPDT relay outputs for
batch control. The display is fully
scalable for engineering units and
may be toggled between batch total,
rate, and grand total. The
linearization option allows the user
to select up to 16 different K factors
over the input range for accurate
indication of non-linear signals.
Other features include 12 to 24 Vdc
output for powering up flowmeters;
pulsed (0.1 to 9.9 s) or maintained
outputs; input filtering for dry-contact
closure (such as reed relays);
local/remote reset; excitation for
open-collector or mechanical
contacts; user-programmable
auto-reset of batch total (repeat
cycles, 10 Hz max); security lockout
to prevent unauthorized changes;
factored pulse output; and analog
output for rate or total (analog output
not available with square root
-SQRT option).
The DP-F30 series indicates rate
to 5½-digits and total to 8-digits, with
program and count data stored for
up to 10 years if power is lost.
SPECIFICATIONS
Input Power: 110 Vac ±15% or 12 to 27 Vdc std.; 220 Vac ±15% optional
Current: Max 250 mA DC or 3.2 VA
Output Power: On AC-powered units
only: +24 or +12 Vdc @ 100 mA; unregulated (±5% worst case)
Pulse Inputs:
DP-F31: 0 to 1 Vdc (low), 3 to 30 Vdc (high), 20 kHz max (min on/off 35 ìs)
DP-F32: 4.7 kΩ pull up to +5 Vdc on input for pulsing with contact to ground or NPN collector transistor
Factored Output: Min on/off: 0.013 ms; open collector sinks 100 mA max from 1 to 30 Vdc max; max factored count speed is 20 kHz
Temperature:
Operating: 0 to 54°C (32 to 130°F)
Storage: -40 to 93°C (-40 to 200°F)
Accuracy: ±0.5% FS
Relay Outputs: 2 SPDT contacts rated for 10 A at 120/240 Vac or 28 Vdc
4 to 20 mA Output: ±0.5% FS accuracy; requires 3 to 24 Vdc supply voltage, non-inductive
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MOST POPULAR MODELS HIGHLIGHTED! |
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† All dollar amounts on this site are shown in US currency.
Note: Comes complete with operator's manual, gasket, 4 mounting ears, and screws.
Ordering Example: (1) DP-F31-LIN ratemeter/totalizer, Hi-level pulses, 16 point Linearization, $685.00, plus (1) FLSC-AMP Amplifier for Turbine Meters, $85.00, , $685.00 + 85.00 = $770.00
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Part Number Builder |
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Option Descriptions
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(1)
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Model
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Select
DP-F31 for High level pulse 3 to 30 Vdc 20 kHz max
DP-F32 for High level pulse 3 to 30 Vdc 20 kHz max with 4.7 kOhm pull-up resistors to +5 Vdc for NPN
DP-F33 for 4 to 20 mA 250Ohm impedance
DP-F33-SQRT for 4 to 20 mA with square root extraction
DP-F34 for 0 to 5 Vdc 15 kOhm impedance
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(2)
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Options
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Select
Nothing(leave field blank) for none
-MA for 4 to 20 mA analog output - not available with DP-F33-SQRT
-LIN for 16 point linearization
-220VAC for 220 Vac power
-RS232 for RS232 communications
-RS422 for RS422 communications
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NOTE: All combinations may not be valid, check spec sheet for valid part numbers.
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