Omega DP18-P8 Instruction Sheet

An OME GA Te c h n o l o g i e s Co m p a n y
DP18 Series
Model DP18-P8
Process Indicator for Potentiometric
Transducers
INSTRUCTION
SHEET
INSTRUMENT FOR USE WITH POTENTIOMETRIC TRANSDUCERS. THE READING CAN BE MODIFIED IN ENGINEERING UNITS, THEREFORE
THE DISPLAY WILL SHOWS THE VALUE DESIRED.
THE NECCESARY REGULATED VOLTAGE (5 Vdc) FOR THE TRANSDUCER IS SUPPLIED FROM THE INSTRUMENT (FIG. 3). MAY BE USED
POTENTIOMETERS WITH A RESISTANCE VALUE BETWEEN 200 Ω MINIMUM AND 10.000 Ω MAXIMUM.
SPECIFICATIONS
DISPLAYS . . . . . . . . . . . . . . . . . . . . . . 3 ½ digits, 7 segment, red LED
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . 0.56" (14.2 mm.)
SYMBOLS . . . . . . . . . . . . . . . . . . . . . . ± 1.8.8.8
DECIMAL POINTS . . . . . . . . . . . . . . . . Selectable by jumpers
OVERRANGE INDICATION . . . . . . . . . Display flashes 1999
INPUT CONFIGURATION . . . . . . . . . . . Bipolar single
ZERO . . . . . . . . . . . . . . . . . . . . . . . . . Automatic
CONVERTER . . . . . . . . . . . . . . . . . . . . Dual-slope, average value
POLARITY . . . . . . . . . . . . . . . . . . . . . . Automatic ±
SIGNAL INTEGRATION PERIOD . . . . . 80 ms.
READ RATE . . . . . . . . . . . . . . . . . . . . 3.12 / sec.
HOLD . . . . . . . . . . . . . . . . . . . . . . . . . Optional
NOISE REJECTION NMR . . . . . . . . . . . 50 dB. 50/60 Hz.
ACCURACY . . . . . . . . . . . . . . . . . . . . 0.15 % ± 1 count
WARMUP TO RATED ACCURACY . . . 2 minutes
SPAN TEMPCO . . . . . . . . . . . . . . . . . . 100 ppm.
ZERO TEMPCO . . . . . . . . . . . . . . . . . . 2.5 µV/°C.
OPERATING TEMPERATURE . . . . . . . 0 to 50 °C (32 to 122 °F)
STORAGE TEMPERATURE . . . . . . . . . -40 to 80 °C (-40 to 176 °F)
WEIGHT . . . . . . . . . . . . . . . . . . . . . . . . 310 gr. (0.68 lb)
CASE MATERIAL . . . . . . . . . . . . . . . . ABS, DIN 43700, black color
STANDARD POWER . . . . . . . . . . . . . . 115 Vac. ± 10 %, 50/60 Hz.
POWER CONSUMPTION . . . . . . . . . . . 5.5 VA for AC.
ELECTRICAL CONNECTIONS . . . . . . . Push-in cable connectors
BURN-IN . . . . . . . . . . . . . . . . . . . . . . . 24 h.
RECALIBRATION . . . . . . . . . . . . . . . . 12 months.
EXCITATION OUTPUT . . . . . . . . . . . . . 5 Vdc.
-OUTPUT CURRENT . . . . . . . . . . . 50 mA. max.
-RIPPLE AT 50/60 Hz. . . . . . . . . . 0.2 % max.
TRANSDUCER WIRING - SPAN AND OFFSET SELECTION
FIG. 3
CLOSE THE APPROPRIATE DECIMAL POINT
JUMPER (FIG.5), CORRESPONDING TO THE
READING DESIRED. FOR READING 14.50, PLA-
CE THE JUMPER ON THE D2 POSITION.
M2116/1294
COMMON 0V.
C
SIGNAL INPUT
B
A
+5 V
exc
SPAN AND OFFSET ADJUSTS ( S3 SELECTOR )
SPAN RANGE
DISPLAY
0 to 1.000
1.000 to 2.000
2.000 to 4.000
CCD1294APC1B
FRONT VIEW
FIG. 1
SPAN
SPAN : ADJUST THE MAXIMUM READING.
OFFSET : ZERO BALANCE
SPAN AND OFFSET ADJUSTMENT ARE ACCESSIBLE BEHIND
THE LOW DOOR.
FIG. 2
Setpoint R2
(option)
Isolated digital output
(option)
Excitation adjust
D
C
SIGNAL
B
A
INPUT
ANALOG OUTPUT
(OPTION)
HOLD,
latch the reading
display, while these pins
are linked
GROSS SPAN ADJUSMENT
SIGNAL CONDITIONER
COMPONENTS VIEW
OFFSET RANGE
CLOSE
COUNTS
JUMPER
K
0 to 500
---
500 to 1.000
L 1.000 to 1.999
OFFSET
REAR VIEW
Setpoint R1
(option)
1
10
+
-
POWER SUPPLY
see instrument label
K
L
M
N
O
P
OFFSET
CLOSE
JUMPER
P
-- O M
N