Omega DP18-RT1 User Manual
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Brand: Omega
Category: Marine Instrument
Type: Operation & user’s manual for Omega DP18-RT1
Pages: 2
1
2
An OMEGA Te chno lo gies Co m pany
M2107/1294
INSTRUCTION
SHEET
DP18 Series
Model DP18-RT1
True RMS Ammeter
CCD1294APC2BA
FIG. 3
ACEG
FD
B
SIGNAL INPUT
5 Aac.
A
SPAN OFFSET
1
10
D
C
B
A
+
-
REAR VIEW
Setpoint R1
(option)
Setpoint R2
(option)
FRONT VIEW
FIG. 2
FIG. 1
SIGNAL
INPUT
SPAN : ADJUST THE MAXIMUM READING.
OFFSET : NOT IN SERVICE
SPAN ADJUSTMENT IS ACCESSIBLE BEHIND THE LOW DOOR.
Isolated digital output
(option)
RANGE SELECTION
0.01
0.1
S1 SELECTOR
HOLD, latch the reading
display, while these pins
are linked
ANALOG OUTPUT
(OPTION)
POWER SUPPLY
see instrument label
150 150.0 B
400 400 G
500 500 F
600 600 E
750 750 D
1000 1000 C
1500 1500 B
2000 1999 A
CLOSE
RESOLUTIONREADINGI NOMINAL
Amp.AC Amp.AC JUMPER Amp.ACAmp.AC
Amp.AC
5 5.00 F
10 10.00 C
15 15.0 B
40 40.0 G
50 50.0 F
60 60.0 E
75 75.0 D
100 100.0 C
JUMPER Amp.AC
I NOMINAL READING
CLOSE
RESOLUTION
B
C
SIGNAL CONDITIONER
COMPONENTS VIEW
IC2
0.1
1
PLACE THE PLUG-IN JUMPER ON THE
SELECTOR S1, IN FUNCTION OF THE
NOMINAL CURRENT
TRANSFORMER, AND THE DECIMAL
POINT JUMPER ON THE
CORRESPONDING POSITION (FIG. 5).
TO OBTAIN THE INDICATED PERFOR-
MANCE, USE CURRENT
TRANSFORMERS CLASS 0.5 OR
BETTER
DISPLAYS . . . . . . . . . . . . . . . . . . . . . . 3 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
SPAN ADJUSTMENT . . . . . . . . . . . . . . ± 5 %
CONVERTER . . . . . . . . . . . . . . . . . . . . Dual-slope, average value
SIGNAL INTEGRATION PERIOD . . . . . 80 ms.
READ RATE . . . . . . . . . . . . . . . . . . . . 3.12 / sec.
RANGES . . . . . . . . . . . . . . . . . . . . . . . See table selection fig. 3
HOLD . . . . . . . . . . . . . . . . . . . . . . . . . Optional
NOISE REJECTION NMR . . . . . . . . . . . 50 dB. 50/60 Hz.
ACCURACY . . . . . . . . . . . . . . . . . . . . 0.2 % ± 1 count
WARMUP TO RATED ACCURACY . . . 2 minutes
SPAN TEMPCO . . . . . . . . . . . . . . . . . . 150 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.
½
SPECIFICATIONS
3 ½ DIGITS AC AMMETER, TRUE-RMS VALUES, WITH SELECTABLE RANGES ON THE SIGNAL CONDITIONER BY PLUG-IN JUMPERS. THE
READING CAN NOT BE MODIFIED IN ENGINEERING UNITS, UNLESS THE AMPLIFIER IS MODIFIED. THEREFORE USING THE STANDARD
AMPLIFIER THE DISPLAY WILL SHOW THE VALUES INDICATED ON THE TABLE. THE INPUT ALLOWS DIRECT CONNECTION TO A CURRENT
TRANSFORMER (CT) WITH A 5 Aac. SECONDARY, WITHOUT NEED FOR AN INTERMEDIATE STEP DOWN.
True RMS Ammeter for current transformer X/5