Dwyer Instruments DPMF Series Manual de usuario

The Model DPMF Flush Mount LCD Digital Panel Meter offers high

performance and low cost in a compact package. This meter is designed

with a 3-1/2 digit, high contrast CD display. The unit is powered by a 4

to 20 mA DC control loop input. Standard features include adjustable

span and zero, and field-selectable decimal point position. The flat pack

of the panel meter allows for the instrument to be mounted to any flat

surface.

I STALLATIO

The Model DPMF is designed for surface mounting on any flat surface.

WIRI G

The unit is powered by a 4 to 20 mA loop and the screw terminals for

wiring are located on the back of the adder board marked with + PWR-.

Series DPMF Flush Mount LCD Digital Panel Meter

Installation and Operating Instructions

Bulletin PC-DPMF

SPECIFICATIO S

Input: 4 to 20 mA DC.

Input Impedance: 300 Ω nominal.

Accuracy: ±(0.1% FS + 2 count).

Power Supply: Powered by control loop.

Span and Zero: Adjustable (±1999 counts).

Display: 3-1/2 digits, 7 segments, 0.5˝ (12 mm) H.

Decimal Points: 3-position, user selectable.

Polarity: Automatic, “-” displayed.

Operating Temperature: 32 to 122°F (0 to 50°C).

Storage Temperature: -4 to 158°F (-20 to 70°C).

Mounting: Surface mount.

Connection: Screw terminals.

Conversion Rate: 3 per second.

Warm-Up: 10 minutes typical.

Weight: 1.2 oz (34.5 g).

Agency Approvals: RoHS.

1/4

[6.35]

7/8

[21.77]

[25.40]

Ø1/8

[Ø2.5]

2-3/16

[55.56]

1-1/8

[29.03]

2-3/8

[59.94]

TRANSDUCER

POWER

SUPPLY

ZERO

SPAN

J3 J2 J1

+ PWR -

J5 J4

DWYER I STRUME TS, I C.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGA CITY, I DIA A 46360, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

OPERATIO

Selecting Decimal Point Position

Four decimal point positions are available on the digital panel meter.

Move the jumper to correspond the desired decimal point. See Figure 1.

Figure 1

Setting Min/Max Display Value J1, J2, J3 (see Figure 2 & 3):

If:

The minimum display is ≤0 or minimum display is > 0 and the (maximum

display minimum display) ≥ 5;

Then:

J1, J2 & J3 should be all set to the top jumper (see Figure 2).

Figure 2

If:

The minimum display is > 0 and the (maximum display minimum

display) <5;

Then:

J1, J2 & J3 should all be set to the bottom jumper (see Figure 3).

Figure 3

MAI TE A CE/REPAIR

Upon final installation of the Series DPMF, no routine maintenance is

required. The Series DPMF is not field serviceable and should be

returned if repair is needed. Field repair should not be attempted and

may void warranty.

WARRA TY/RETUR

Refer to “Terms and Conditions of Sale” in our catalog and on our

website. Contact customer service to receive a Return Goods

Authorization number before shipping the product back for repair. Be

sure to include a brief description of the problem plus any additional

application notes.

DWYER I STRUME TS, I C.

Phone: 219/879-8000 www.dwyer-inst.com

P.O. BOX 373 • MICHIGA CITY, I DIA A 46360, U.S.A. Fax: 219/872-9057 e-mail: [email protected]

J3 J2 J1

•

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