Dwyer Instruments DPGA Series Manuale utente

Series DPGA & DPGW Digital Pressure Gages

Specications - Installation and Operating Instructions

Bulletin A-34C

The Series DPGA & DPGW Digital Pressure Gages have a precise ±1.0% full scale

accuracy. The 4 digit digital display will reduce the potential for errors in readings by

eliminating parallax error commonly produced with analog gages.

The DPGA & DPGW are packaged in an ABS plastic case. The unit is battery powered

and has an auto-shut off to conserve battery life. A two button key pad allows easy

access to features without the need to work through complex menus. These features

include, auto zero and conversion of the pressure units. Readings may be converted

to various engineering units. See reverse page for available units.

OPERATING INSTRUCTIONS

For complete instructions on the two button operation see the ow chart provided on

back.

On/Off: Press ON/OFF to toggle on and off. Device will automatically shut off after 20

minutes if not used.

Zero: Zeros the display - Push & hold for 2 seconds to zero the display. If after pressing

zero the display does not re-zero, the unit is no longer meeting specied accuracy and

should be sent back to the factory for calibration. Do not use the zero button when

pressure is applied.

Units: To change units, press both On/Off and Zero buttons simultaneously.

Overpressure Indicator: The LCD will ash “OFL”, if the pressure applied is over

105% F.S.

INSTALLATION

When installing gage always use 1˝ hex at the base of the housing to tighten the gage

to a mating tting. Do not apply wrench to housing.

MAINTENANCE

Battery Removal: Remove the screw on backplate. Lift backplate off by hand. To

reassemble replace backplate and screw.

Replace batteries per polarity indicators.

A “LOW BAT” descriptor indication will appear on the display when batteries need to

be replaced.

SPECIFICATIONS

Service: DPGA: Air and compatible gases; DPGW: Liquids and compatible gases.

Wetted Materials: DPGA: 316L SS, Silicone sensor; DPGW: Type 316L SS;

Ceramic Ranges: Type 316L SS, ceramic, uoroelastomer.

Housing Materials: ABS plastic.

Accuracy: ±1.0% F.S. (Includes linearity, hysteresis, repeatability).

Pressure Limits: 2X pressure range. Vacuum range max. pressure is 30 psig.

Temperature Limits: 30 to 120°F (-1 to 49°C).

Thermal Effect: 0.05% FS/°F.

Size: 2.62˝ O.D. x 1.52˝ deep.

Process Connections: 1/4˝ male NPT.

Display: 4-digit LCD (.425˝ H x .234˝ W digits).

Power Requirements: 9 volt alkaline battery. Battery included but not connected.

Auto Shut-off: 20 minute auto shut-off.

Weight: 5.6 oz (160 g).

ø2-43/64

[67.87]

3-11/16

[93.66]

STANDARD RANGES

CERAMIC RANGES

4-9/64

[105.17]

1-1/2 [38.10] 1/4 NP

This symbol indicates waste electrical products should not be disposed

of with household waste. Please recycle where facilities exist. Check with

your Local Authority or retailer for recycling advice.

DWYER INSTRUMENTS, INC.

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.

Phone: 219/879-8000

Fax: 219/872-9057

www.dwyer-inst.com

e-mail: [email protected]

DPGA & DPGW BUTTON OPERATION

To Turn On & Off:

Press to turn unit on.

Press again to turn unit off.

To Zero Display:

To zero display, disconnect gage from any pressure source. Press

and hold zero button until the LCD displays “- - -”, then release.

To Change Units:

To change units, disconnect gage from any pressure source.

Press both & buttons simultaneously until

desired units are displayed.

DWYER INSTRUMENTS, INC.

P.O. BOX 373 • MICHIGAN CITY, INDIANA 46360, U.S.A.

Phone: 219/879-8000

Fax: 219/872-9057

www.dwyer-inst.com

e-mail: [email protected]

DPGA MODELS

Model Range

Pressure Ranges Resolution

psi kg/cm2bar in Hg ft wc kPa oz/in2in wc mbar cm wc mm Hg psi

DPGA-00

DPGA-01

DPGA-02

DPGA-03

DPGA-04

DPGA-05

DPGA-06

DPGA-07

DPGA-08

DPGA-09

DPGA-10

DPGA-11

30˝ Hg to 0 (vac)

0 to 20 in w.c.

0 to 1 psi

0 to 2 psi

0 to 5 psi

0 to 15 psi

0 to 30 psi

0 to 50 psi

0 to 100 psi

0 to 200 psi

0 to 300 psi

0 to 500 psi

-14.70

0.722

1.000

2.000

5.000

15.00

30.00

50.00

100.0

200.0

300.0

500.0

-1.033

.0508

.0703

.1406

.3515

1.055

2.109

3.515

7.03

14.06

21.09

35.15

-1.013

.0498

.0689

.1379

.3447

1.034

2.068

3.447

6.89

13.79

20.68

34.47

-29.93

1.471

2.036

4.072

10.18

30.54

61.1

101.8

203.6

407.2

611

1018

-33.94

1.667

2.307

4.614

11.53

34.60

69.2

115.3

230.7

461.3

692

1153

-101.4

4.980

6.89

13.79

34.47

103.4

206.8

344.7

689

1379

2068

3447

-235.2

11.55

16.00

32.00

80.0

240.0

480.0

800

1600

3200

4800

-407.3

20.00

27.68

55.4

138.4

415.2

830

1384

2768

-1013

49.80

68.9

137.9

344.7

1034

2068

3447

-1034

50.8

70.3

140.6

351.5

1055

2109

3515

-761

37.37

51.7

103.4

258.6

776

1551

2586

0.01

0.001

0.002

0.01

0.02

0.1

0.2

DPGW MODELS

Model Range

Pressure Ranges Resolution

psi kg/cm2bar in Hg ft wc kPa oz/in2in wc mbar cm wc mm Hg psi

DPGW-00

DPGW-00C

DPGW-04

DPGW-05

DPGW-06

DPGW-07

DPGW-08

DPGW-09

DPGW-10

DPGW-11

30˝ Hg to 0 (vac)

0 to 5 psi

0 to 15 psi

0 to 30 psi

0 to 50 psi

0 to 100 psi

0 to 200 psi

0 to 300 psi

0 to 500 psi

-14.70

5.000

15.00

30.00

50.00

100.0

200.0

300.0

500.0

-1.033

.3515

1.055

2.109

3.515

7.03

14.06

21.09

35.15

-1.013

.3447

1.034

2.068

3.447

6.89

13.79

20.68

34.47

-29.93

10.18

30.54

61.1

101.8

203.6

407.2

611

1018

-33.94

11.53

34.60

69.2

115.3

230.7

461.3

692

1153

-101.4

34.47

103.4

206.8

344.7

689

1379

2068

3447

-235.2

80.0

240.0

480.0

800

1600

3200

4800

-407.3

138.4

415.2

830

1384

2768

-1013

344.7

1034

2068

3447

-1034

351.5

1055

2109

3515

-761

258.6

776

1551

2586

0.01

0.002

0.01

0.02

0.1

0.2

Note: Gages with a “C” in the range have a ceramic sensor.

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