Omega Speaker Systems DP18-AT2 specifications Specifications, Front View, Rear View, Selector S1

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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

Dual-slope, average value

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 . . . . . . . . . -40 to 80 °C (-40 to 176 °F) WEIGHT . . . . . . . . . . . . . . . . . . . . . . . . 310 gr. (0.68 lb)

CASE MATERIAL . . . . . . . . . . . . . . . . ABS, DIN 43700, black color STANDARDPOWER . . . . . . . . . . . . . . 115 Vac. ± 10 %, 50/60 Hz. POWERCONSUMPTION . . . . . . . . . . . 5.5 VA for AC. ELECTRICALCONNECTIONS . . . . . . . Push-in cable connectors BURN-IN . . . . . . . . . . . . . . . . . . . . . . . 24 h.

FIG. 1

 

 

 

FRONT VIEW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

 

 

(option)

 

 

 

 

D

 

 

SIGNAL

C

 

1

B 10

INPUT

A

 

 

ANALOG

OUTPUT

+

 

-

 

(OPTION)

 

 

 

 

 

HOLD, latch the reading

 

 

display, while these pins

 

POWERSUPPLY

are linked

 

 

 

 

see instrument label

 

 

 

RANGE SELECTION

FIG. 3

GROSS SPAN ADJUSTMENT

B

D

F

 

 

PT1

A

C E

G

 

C

 

SIGNALCONDITIONER

 

 

 

B

 

 

SIGNALINPUT

COMPONENTSVIEW

 

 

 

A

 

 

 

SELECTOR S1

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 PERFORMANCE, USE CURRENT TRANSFORMERSCLASS 0.5 ORBETTER.

I NOMINAL

READING

CLOSE

RESOLUTION

Amp.AC

Amp.AC

JUMPER

Amp.AC

 

 

 

 

5

5.00

D

0.01

 

 

 

10

10.00

F

 

 

 

 

 

15

15.0

A

 

 

 

 

 

25

25.0

B

 

 

 

 

 

40

40.0

C

0.1

 

 

 

 

 

 

 

50

50.0

D

 

 

 

 

 

60

60.0

E

 

 

 

 

 

100

100.0

F

 

 

 

 

 

 

 

 

 

I NOMINAL

READING

CLOSE

RESOLUTION

Amp.AC

Amp.AC

JUMPER

Amp.AC

 

 

 

 

150

150.0

G

0.1

 

 

 

250

250

B

 

 

 

 

 

400

400

C

 

 

 

 

 

500

500

D

 

 

 

 

 

600

600

E

1

 

 

 

 

1000

1000

F

 

 

 

 

 

1500

1500

G

 

 

 

 

 

 

 

 

 

CCD1294APC2BA

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Contents Front View SpecificationsRear View Range SelectionSelection of Decimal Points and Special Options PowersupplyoptionsCONTROLOUTPUT/COMMUNICATIONSOPTIONS Decimalpointsselector