HIGH-SPEED LOAD/STRAIN METERS
AND PROCESS/VOLT METERS
DUAL DIFFERENTIAL INPUTS AVAILABLE
DP7600 Series
All Models
$
750
⻬ 1000 Readings
per Second
Maximum
⻬ 5-Digit Display
⻬ Dual Inputs
Optional (Serial
Interface Required)
⻬ All Programming and
Calibrating via
5 Front-Panel Switches
⻬ Programmable Digital
Filter, 1 to 500 Hz Cutoff
⻬ 16-Bit A/D Converter
(65,000 Counts)
⻬ Tare (Zero) Up to 50%
of Span with Single
Pushbutton
⻬ Peak and Runout Modes
⻬ 115/230 Vac Power
The DP7600 is a high-speed
load/strain meter that performs
1000 conversions per second.
It does limit checking and peak/
runout tracking at a user-selectable
rate (from 1 to 500 Hz), with data
displayed at the push of a button.
The tare function, up to 50% of span,
has absolute and relative reading
modes. LEDs clearly indicate limit
status and display mode settings.
Five front-panel switches allow easy
programming, and a security code
prevents unwanted corruption of
calibration data. Excitation voltage
of 5 or 10 Vdc is standard.
The text at the top of the switch
(NORMAL, PEAK, RUNOUT,
TARE, ABS/REL) indicates its
normal function. The text at the
lower half of the switch (ENTER,
UP, DOWN, NEXT, EXIT) indicates
the switch’s function during setup
and calibration.
The DP7700 is a high-speed
process/volt meter with many of the
same features. It accepts most
process inputs from 0-200 mV to
0-10 Vdc and 4 to 20 mA current
loops. Transducer/loop power of
±15 Vdc @ 50 mA and 4 opencollector outputs are standard.
SPECIFICATIONS
DP7600 Load/Strain Gage Meter
Excitation: 10 Vdc @ 50 mA,
5 Vdc @ 25 mA
Coarse Gain Setting: Selectable by
switches on rear of unit
DP7600, $750, shown actual
size, with LC105, load cell,
$295, see page F-49.
Full Scale mV Ranges: 5.1, 10.2,
15.3, 20.0, 26.3, 30.6, 35.1, 39.2
Bridge Resistance: 100 to 5000 Ω;
4-wire or 6-wire configuration
Calibration: Shunt calibration capability
with span programmable from front
panel; no potentiometer adjustments;
access code prevents unauthorized
calibration switches
DP7700 Process/Volt Meter
Excitation: ±15 Vdc, ±5 Vdc @ ±50 mA
Range/Input Impedance:
0 to 200 mVdc 10 x 10
0 to 5 Vdc 1 MΩ
0 to 10 Vdc 1 MΩ
4 to 20 mA 10 Ω
Range Selection: Selectable by DIP
switch on rear of unit
Calibration: Digital calibration via
front-panel button switches; no
potentiometer adjustments; access
code prevents unauthorized
calibration switches
12
Ω
D-77
HIGH-SPEED PROCESS/
STRAIN METERS
GENERAL SPECIFICATIONS
Accuracy: ±0.01% of reading
±1 count of A/D @ 25°C (77°F)
Temperature Coefficient: 50 ppm/°C
Operating Temperature: -20 to 60°C
(-4 to 140°F)
Display: -32768 to 32767 with
programmable decimal points;
14 mm (0.56") red LED
Resolution of A/D: 16-bit
Input Bias Current: ±50 nA max;
±100 pA/°C (per input channel)
Front-Panel Controls: 5 pushbutton
switches for programming digital filter,
offset, span, limits and recall of peak
reading or runout from storage
Normal-Mode Rejection: 70 dB
Rollover Error: ±2 counts of
A/D @ 25°C (77°F)
Channels: One channel standard;
second channel optional
Digital Filter: Programmable cutoff
frequency, 1 to 500 Hz; display update,
3 times per second
Reading Rate: Limited to 1000/s
divided by number of channels
Input Analog Filter: 4-pole active
anti-alias; 500 Hz cutoff on
single-channel unit and 250 Hz
cutoff on dual-channel unit
Peak Detect: Updated at rate selected
by digital filter. Peak is normally stored in
memory and recalled via front-panel
switch, over the serial interface, or by
selecting peak display mode on rear
connector. If peak display mode is
selected, an internal timer can be
programmed to give limit #1 output up
to 100 seconds after a programmed
limit is reached. This output can be used
to reset the peak reading by tying limit
#1 output to remote input.
Runout Mode: Updated at rate selected
by digital filter. Runout is normally stored
in memory and recalled via front-panel
switch, over the serial interface, or by
selecting runout display mode on rear
connector. If runout display mode is
selected, an internal timer can be
programmed to give limit #1 output up
to 100 seconds after programmed limit
is reached. This output can be used to
reset the runout reading by tying limit
#1 output to remote input.
Convert/Hold Input: Normally high;
if pulled low, will hold display; requires
1 ms positive pulse for single conversion
Analog Output (Optional): 0 to 10 Vdc,
0 to 5 Vdc or 4 to 20 mA; tracks display
reading; voltage outputs will sink or
source 1 mA; 300V isolation between
analog outputs and instrument ground
Serial Interface (Optional): ASCII
RS232 or RS485 compatible,
300V isolation to system ground
Limit Outputs: 4 isolated open-collector
transistor outputs rated 30 Vdc
maximum; will sink up to 50 mA;
300 V isolation between limit outputs
and system ground; limit #1 can be
programmed to be delayed from
1 to 100 seconds
Relays (Optional): Dual 115 Vac,
2.5 A, form "A" relay contacts (isolated
transistor outputs not available when
relays are installed); limit #1 and limit
#2 activate the relay contacts
Remote Inputs: Tare, display peak,
display runout, and reset peak
reading or runout reading; active
low TTL compatible, 50 ms negative
pulse required
I/O Method: Quick-disconnect screw
terminal block; RJ11 jack for serial
interface
* Requires “-S2” or ”-S4” option.
DP7600, $750, shown smaller than actual size.
See Section Y for a
Selection of Scientific,
Technical, and Reference
Books Available from
omega.com
Power: 115/230 Vac selectable
by switch on rear of unit
DC Power (Optional): 10 to 30 Vdc
@ 600 mA
Power Consumption: 8 W
Construction: Aluminum case
Dimensions:
69 H x 132 W x 175 mm D
(2.7 x 5.18 x 6.9") including I/O connector
Panel Cutout: 63 H x 129 mm W
(2.45 x 5.06")
Weight: 370 g (13 oz)
AVAILABLE FOR FAST DELIVERY!
To Order (Specify Model Number)
MODEL NO. PRICE DESCRIPTION
DP7600 $750 High-speed load/strain meter
DP7700 750 High-speed process/voltmeter
Comes complete with operator’s manual.
Ordering Example: DP7600-DUAL-S2, strain meter with dual-inputs and RS232,
$750 + 125 + 65 = $940.
OPTIONS
ORDER SUFFIX ADD’L PRICE DESCRIPTION
-DUAL* $125 Second input channel
-S2 65 ASCII RS232 serial interface
-S4 65 ASCII RS485 serial interface
-AMA 125 Analog output, 4 to 20 mA
-A10 125 Analog output, 0 to 10 Vdc
-A05 125 Analog output, 0 to 5 Vdc
-R 45 Dual 2.5 A
-DC9/18 125 9 to 18 Vdc power @ 600 mA
-DC18/36 125
18 to 36 Vdc power @ 500
D-78
@115 Vac form “A”
mA
relays
INSTRUMENTATION
D
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