Omega Products DP7800 User Manual
DUAL-INPUT PROCESS METERS
WITH MATH FUNCTIONS
FOR PROCESS VOLTAGE OR CURRENT INPUTS
DP7800
$
450
⻬ Dual Inputs with
Programmable
Math Functions
⻬ Programmable Ranges:
±200 mV to ±200V
and 4 to 20 mA
⻬ Digital Tare (Zero) Up
to 50% of Span
⻬ Easily Programmed
Span: 1000 to 30,000
Counts
⻬ Programming and
Calibration from
Front Panel
⻬ 5-Digit, 14 mm (0.56")
Red LED Display with
Negative Indications
⻬ 2 Setpoints with Relay
Closures (Standard)
⻬ NEMA 4 (IP65) Rated
Bezel with Panel
Gasket Seal
⻬ Heavy-Duty Aluminum
Case, 101 mm (4")
Behind the Panel
⻬ 16-Bit A/D Converter
The DP7800 accepts 2 inputs
simultaneously and can perform
math functions: A – B, A + B, A x B,
and A⫼ B.
SPECIFICATIONS
Accuracy: ±0.01% of reading
±1 count of LSD
Range Programming: Solderless
jumpers on rear of unit; select 200 mV,
±2V, ±20V, ±200V or 4 to 20 mA
Conversion Rate: 3/s
DP7800, $450, shown actual size,
with 2 PX41 pressure transducers,
$450 each, see page B-106.
Display: 5-digit, 7-segment,
14.3 mm (0.56") high LED
Limit Outputs: Standard dual form "A"
relays rated 0.25 A @ 28V
Analog Output (Optional): 0 to 10 Vdc
@ 2.5 mV resolution; 0V and 10V points
are programmable via front-panel
switches: maximum drive capability
±2 mA; the 4 mA and 20 mA points are
programmable via front-panel switches;
4 to 20 mA output, maximum load 600
CMV: 1400 Vp (AC or DC)
between analog output ground and
AC power line ground
Serial Interface (Optional): ASCII
RS232 or RS485 compatible; format:
1 start bit, 8 data bits, 1 stop bit and
no parity bits
Baud Rates: 9600, 4800, 2400, 1200,
600, 300, 150 and 75—programmable
from the front panel
Operating Temperature: -20 to 60°C
(-4 to 140°F)
Storage Temperature: -25 to 85°C
(-12 to 185°F)
Relative Humidity: 0 to 90%,
non-condensing
Power:
Standard: 115 Vac (15 to 10%)
@ 50 mA (47 to 500 Hz)
Optional: 230 Vac (15 to 10%)
@ 25 mA (47 to 500 Hz)
Optional: 9 to 18 Vdc or 18 to 36 Vdc
Dimensions: 50 H x 97 W x 102 mm D
(1.97 x 3.80 x 4.0"); rear connectors
add 0.5" to depth
Panel Cutout: 45 H x 92 mm W
(1.77 x 3.58"),
Weight: 454 g (1 lb)
1
⁄8 DIN
D-61
See Section Y for a
Selection of Scientific,
Technical, and Reference
Books Available from
omega.com
DUAL INPUTS!
OPTIONS
SUFFIX PRICE DESCRIPTION
-S2 $50 ASCII RS232
Ω
-S4 50 ASCII RS485
-AMA 50 Analog output
-A10 50 Analog output
-LED 35 High-brightness
-DC9/18 125 9 to 18 Vdc power
-DC18/36 125 18 to 36 Vdc
-230VAC 25 230 Vac power,
AVAILABLE FOR FAST DELIVERY!
To Order
(Specify Model Number)
MODEL NO. PRICE DESCRIPTION
DP7800 $450 Dual-input
Comes complete with operator’s manual.
Ordering Example: DP7800-S2, dual-input
voltmeter with RS232 serial communications,
$450 + 50 = $500.
serial interface
serial interface
4 to 20 mA
0 to 10 Vdc
LED display
@ 600 mA
power @ 500 mA
50 to 400 Hz
voltmeter
One Omega Drive | Stamford, CT 06907 | 1-888-TC-OMEGA (1-888-826-6342) | info@omega.com
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