An OME GA Te c h n o l o g i e s Co m p a n y
DP18 Series
Model DP18-AT2
AC Ammeter
INSTRUCTION
SHEETM2099/1294
AC AMMETER for current transformer X/5
THE INPUT ALLOWS DIRECT CONNECTION TO A CURRENT TRANSFORMER (CT) WITH A 5 A. SECONDARY, WITHOUT NEED FOR AN INTERMEDIATESTEPDOWN.
SPECIFICATIONS
DISPLAYS | 3 ½ digits, 7 segment, red LED |
HEIGHT | 0.56" (14.2 mm.) |
SYMBOLS | 1.8.8.8 |
DECIMALPOINTS | Selectable by jumpers |
OVERRANGEINDICATION | Display flashes |
INPUTCONFIGURATION | Bipolar single |
ZERO | Automatic |
SPANADJUSTMENT | ± 5 % |
CONVERTER | |
SIGNALINTEGRATIONPERIOD | 80 ms. |
READ RATE | 3.12 / sec. |
RANGES | See table selection fig. 3 |
HOLD | Optional |
NOISEREJECTIONNMR . . . . . . . . . . . 50 dB. 50/60 Hz. ACCURACY . . . . . . . . . . . . . . . . . . . . 0.2 % ± 1 count WARMUP TO RATED ACCURACY . . . 5 minutes SPANTEMPCO . . . . . . . . . . . . . . . . . . 150 ppm.
ZEROTEMPCO . . . . . . . . . . . . . . . . . . 2.5 µV/°C.
OPERATINGTEMPERATURE . . . . . . . 0 to 50 °C (32 to 122 °F) STORAGETEMPERATURE . . . . . . . . .
CASE MATERIAL . . . . . . . . . . . . . . . . ABS, DIN 43700, black color STANDARDPOWER . . . . . . . . . . . . . . 115 Vac. ± 10 %, 50/60 Hz. POWERCONSUMPTION . . . . . . . . . . . 5.5 VA for AC. ELECTRICALCONNECTIONS . . . . . . .
FIG. 1 |
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SPAN OFFSET
SPAN : ADJUST THE MAXIMUM READING.
OFFSET : NOT IN SERVICE
SPAN ADJUSTMENT IS ACCESSIBLE BEHIND THE LOW DOOR.
REAR VIEW
FIG. 2 | Setpoint R2 | Setpoint R1 | |
| (option) | (option) | |
Isolated digital output |
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(option) |
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| D |
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SIGNAL | C |
| 1 |
B 10 | |||
INPUT | A |
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ANALOG | OUTPUT | + |
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- |
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(OPTION) |
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HOLD, latch the reading |
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display, while these pins |
| POWERSUPPLY | |
are linked |
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| see instrument label | |
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RANGE SELECTION
FIG. 3 | GROSS SPAN ADJUSTMENT | B | D | F |
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| PT1 | A | C E | G |
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| SIGNALCONDITIONER |
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| B |
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SIGNALINPUT | COMPONENTSVIEW |
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| A |
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SELECTOR S1
PLACE THE
I NOMINAL | READING | CLOSE | RESOLUTION | |
Amp.AC | Amp.AC | JUMPER | Amp.AC | |
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5 | 5.00 | D | 0.01 | |
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10 | 10.00 | F | ||
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15 | 15.0 | A |
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25 | 25.0 | B |
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40 | 40.0 | C | 0.1 | |
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50 | 50.0 | D |
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60 | 60.0 | E |
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100 | 100.0 | F |
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I NOMINAL | READING | CLOSE | RESOLUTION | |
Amp.AC | Amp.AC | JUMPER | Amp.AC | |
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150 | 150.0 | G | 0.1 | |
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250 | 250 | B | ||
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400 | 400 | C |
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500 | 500 | D |
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600 | 600 | E | 1 | |
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1000 | 1000 | F |
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1500 | 1500 | G |
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CCD1294APC2BA