Omega DP18-RV1 Instruction Sheet

An OME GA Te c h n o l o g i e s Co m p a n y
DP18 Series
Models DP18-RV1 / - RV2 / - RV3 / - RV4
True RMS Voltmeter
INSTRUCTION
SHEET
TRUE-RMS INSTRUMENT 3½ DIGITS, WITH FIVE SELECTABLE RANGES ON THE SIGNAL CONDITIONER BY PLUG-IN JUMPERS. THE
READING CAN NOT BE MODIFIED IN ENGINEERING UNITS,UNLESS THE AMPLIFIER IS ALSO MODIFIED. THEREFORE USING THE
STANDARD AMPLIFIER THE DISPLAY WILL SHOW EXACTLY THE VALUE PRESENT AT THE INPUT SIGNAL.
SPECIFICATIONS
DISPLAYS . . . . . . . . . . . . . . . . . . . . . . 3
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
POLARITY . . . . . . . . . . . . . . . . . . . . . . Automatic ±
SIGNAL INTEGRATION PERIOD . . . . . 80 ms.
READ RATE . . . . . . . . . . . . . . . . . . . . 3.12 / sec.
RANGES . . . . . . . . . . . . . . . . . . . . . . . See table selection
HOLD . . . . . . . . . . . . . . . . . . . . . . . . . Optional
NOISE REJECTION NMR . . . . . . . . . . . 50 dB. 50/60 Hz.
ACCURACY . . . . . . . . . . . . . . . . . . . . 0.2 % ± 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. / 3.5 W for DC
ELECTRICAL CONNECTIONS . . . . . . . Push-in cable connectors
BURN-IN . . . . . . . . . . . . . . . . . . . . . . . 24 h.
FIG. 3
CONNECT SIGNAL INPUT, BETWEEN A-B or A-C
IN FUNCTION OF THE VOLTAGE INPUT
20 Vac
200 Vac
500 Vac
200 mVac
2 Vac
MODEL
A-B
DP18-RV1
DP18-RV2
DP18-RV3
A-C
DP18-RV4
CLOSE THE APPROPRIATE DECIMAL POINT JUMPER (FIG.5), CORRESPONDING TO THE RANGE SELECTED
M2106/1294
½
digits, 7 segment, red LED
C
B
A
S1 SELECTOR
DISPLAY
RANGE
READING
Vac.
200 mV 1.999 mV
1.999 V
2 V
19.99 V
20 V
199.9 V
200 V
500 V
500 V
PUT THE S1 SELECTOR PLUG-IN JUMPER, IN THE RANGE DESIRED.
CCD1294APC2BA
FIG. 1
SPAN : ADJUST THE MAXIMUM READING.
OFFSET : NOT IN SERVICE
SPAN ADJUSTMENT IS ACCESSIBLE BEHIND THE LOW DOOR.
FIG. 2
Isolated digital output
(option)
SIGNAL
INPUT
ANALOG OUTPUT
(OPTION)
HOLD,
latch the reading
display, while these pins
are linked
RANGE SELECTION
I K
IC2
H J L
SIGNAL CONDITIONER
COMPONENTS VIEW
CLOSE JUMPER
AMPLIFIER DECIMAL POINT
FIG. 3 FIG. 5
K
D3
K,L
D3
H,L
D2
I,L
D1
J,L
-----
FRONT VIEW
SPAN OFFSET
REAR VIEW
Setpoint R1
Setpoint R2
(option)
(option)
D
C
1
10
B
A
+
-
POWER SUPPLY
see instrument label
IC1
IMPEDANCE
RESOLUTION
Ω
mV.
0.1
Ω
10 G
1
Ω
10
3.3 M
100
Ω
3 M
1000