Omega DP18-SC 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-SC
Thermocouple Input Temperature Indicator
INSTRUCTION
SHEET
TEMPERATURE METERS FOR THERMOCOUPLES "S" (Pt vs. Pt-10 Rhodium)
DIGITAL PANEL METER FOR THERMOCOUPLE TYPE "S" PROVIDED WITH BUILT-IN COLD-JUNCTION COMPENSATION AND LINEARIZATION
FOR DIRECT READING IN DEGREES CENTIGRADE.
ACCEPTS ADDITIONAL BOARDS FOR ANALOG OUTPUTS AND UPPER BOARDS FOR COMMUNICATIONS OR CONTROL OUTPUTS.
SPECIFICATIONS
DISPLAYS . . . . . . . . . . . . . . . . . . . . . . 3
HEIGHT . . . . . . . . . . . . . . . . . . . . . . . . 0.56" (14.2 mm.)
SYMBOLS . . . . . . . . . . . . . . . . . . . . . . ± 1.8.8.8
DECIMAL POINTS . . . . . . . . . . . . . . . . Selectable by jumpers
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 fig. 3
HOLD . . . . . . . . . . . . . . . . . . . . . . . . . Optional
NOISE REJECTION NMR . . . . . . . . . . . 50 dB. 50/60 Hz.
ACCURACY . . . . . . . . . . . . . . . . . . . . See table selection fig.3
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.
FIG. 3
THERMOCOUPLE
+
-
MODEL
DP18-SC
M2110/1294
½
digits,7 segment, red LED
C
B
A
THERMOCOUPLE ACCURACY (± 1 COUNT)
± 1.5% from
S ± 0.5% from +260 to + 970°C
± 0.1% from +970 to +1750°C
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)
THERMOCOUPLE
+
-
ANALOG OUTPUT
(OPTION)
HOLD,
latch the reading
display, while these pins
are linked
SPAN ADJUST
COMPONENTS VIEW
ZERO ADJUST
SIGNAL CONDITIONER
RESOLUTION
0 to + 260°C
1 °C
CCD1294APC1B
FRONT VIEW
SPAN OFFSET
REAR VIEW
Setpoint R1
Setpoint R2
(option)
(option)
D
C
1
10
B
A
+
-
POWER SUPPLY
see instrument label
AMBIENT TEMP.
COMPENSATION
0 to +50 °C