Dwyer Instruments 607 Series Instructions d'installation et d'utilisation

SPECIFICATI NS

GENERAL

Maximum Pressure: 10 psig (0.69 bar).

Media Compatibility: Air and non-conductive, non-corrosive gases.

ELECTRICAL

Power Supply: 12-36 VDC, unregulated.

utput Signal: 4-20 mA DC, two wire.

Loop Resistance: 0-1045 ohms Vmin. = 12V + [(.022A)(R )].

Warm-up Time: 15 seconds.

PERF RMANCE AT 70° F.

utput at zero: 4 mA.

utput at full span: 20 mA.

Stability: ±0.5% of full span/year.

Response Time: 250 msec.

TEMPERATURE LIMITS

perating: -20 to 160°F (-29 to 71°C), 10-95% RH, non-condensing.

Compensated: 35 to 135°F (2 to 57°C).

Storage: -40 to 180°F (-40 to 82°F).

Thermal Effects: ±0.015%F.S./°F (zero and span).

MECHANICAL

Housing: 300 Series stainless steel (NEMA 2).

Pressure Connections: 4˝ barbed stainless steel for 3/16˝ ID tubing.

Weight: 1.04 lb (472 g).

Span and Zero: Factory set to specified range. Externally accessible, non-

interactive, ±10% F.S. adjustment.

The Dwyer Series 607 Differential Pressure Transmitter converts positive,

negative (vacuum) or differential pressures of clean, dry air or other non-

conductive, non-corrosive gases into a standard two wire, 4-20 mA output signal.

Several factory calibrated models are available with ranges from 0-.10˝ w.c. to 0-

25˝ w.c. All models employ a variable capacitance transducer with a micro-

machined, ultra thin silicon diaphragm enabling precision measurement and

control of very low pressures. Because no epoxies or other organics are used to

seal the sensor, performance is exceptionally stable and drift free. It is also highly

resistant to overpressure, shock and vibration. See specifications for complete

details.

Series 607 Transmitter Models & Ranges

Series 607 Differential Pressure Transmitter

Specifications - Installation and perating Instructions

Bulletin E-76

Model

607-0

607-1

607-2

607-3

607-4

607-7

607-8

Range in w.c.

0-.10

0-.25

0-.50

0-1.0

0-2.0

0-5.0

0-10

Accuracy ±0.5% of Full Scale*

Model

607-9

607-0B

607-1B

607-2B

607-3B

607-4B

607-7B

Range in w.c.

0-25

.10-0-.10

.25-0-.25

.50-0-.50

1.0-0-1.0

2.0-0-2.0

5.0-0-5.0

Model

607-01

607-11

Range in w.c.

0-.10

0-.25

Accuracy ±0.25% of Full Scale*

Model

607-21

607-71

Range in w.c.

0-.50

0-5.0

*Includes inearity, Hysteresis, and Repeatability

DWYER INSTRUMENTS, INC.

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

P. . B X 373 • MICHIGAN CITY, IN 46360, U.S.A. Fax: 219/872-9057 e-mail: info@dwyer-inst.com

3-5/16 [84.12]

3-59/64 [99.62]

4-9/16 [115.9]

1-21/32

[42.06] 7/32 [5.556]

3-13/32

[86.52]

3-7/8

[98.43]

4-3/8

[111.1]

1-53/64 [46.53]

1-19/64 [32.94]

1.800.561.8187

QualityInstruments-Direct.ca

DWYER INSTRUMENTS, INC.

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

P. . B X 373 • MICHIGAN CITY, IN 46360, U.S.A. Fax: 219/872-9057 e-mail: info@dwyer-inst.com

INSTALLATI N

1. ocation: Select a clean, dry location free of excess vibration where the

temperature of the unit with be between -20 and 160°F. Distance from the

receiver is limited only by total loop resistance. See “ Electrical Connections”. The

tubing supplying pressure to the transmitter can be run practically any distance.

ong tubing lengths will not affect accuracy but response time will be increased

slightly.

2. Position: The Series 607 Transmitter is not position sensitive. However, it is

recommended that you avoid mounting with pressure connections pointing up

because of the chance of condensed moisture entering the interior. Moisture can

also be avoided by routing tubing with a low point just ahead of the transmitter.

3. Mounting: Attach to mounting surface with two #8 or #10 screws in the

mounting slots provided.

4. Pressure connections: The Series 607 Transmitter is shipped with a short

length of tubing installed between the ports to keep the interior clean. Remove it

and discard after unit is mounted. Connect positive (above atmospheric) pressure

to port marked “HIGH and vent the “ OW” port. Connect negative (vacuum)

pressure to port marked “ OW” and vent the “HIGH” port. For differential

pressures, connect the higher one to the “HIGH” port and the lower one to the

“OW” port.

ELECTRICAL C NNECTI N

Caution: Do not exceed the specified supply voltage rating. Permanent damage,

not covered by warranty, may result. This unit is not designed for AC voltage

operation.

Electrical connections to the Series 607 Transmitter are made to the two screws

on the terminal strip labeled + and -. If polarity is inadvertently reversed, the loop

will not function properly but no damage will be done to the transmitter because

of internal circuit protection. An external power supply delivering 12 to 36 VDC

must be used to power the control loop in which the transmitter is connected.

Refer to Figure B for connection of the power supply, transmitter and receiver.

The power required to generate the 4-20 mA output signal depends on the loop

resistance of the circuit and is proportional to the resistance according to the

graph and formula in Figure C. The maximum length that can be used in the

current loop is a function of wire size and receiver resistance. A shielded two

conductor cable is recommended for control loop wiring. Make sure the total loop

resistance is within the operating region as shown in Figure C.

CALIBRATI N

Each Series 607 Transmitter is factory calibrated to the range listed in the model

number chart. Range is defined as that pressure which when applied to the

transmitter will produce a 20 milliamp current in the loop. Zero pressure will

produce 4 milliamps. If fine adjustment of calibration is required, used the

following procedure:

1). With the transmitter connected to its’ companion receiver, insert a

milliammeter in series with the current loop. A controllable pressure source should

be teed to the high pressure port of the transmitter and to an accurate pressure

gage or manometer.

2). Apply electrical power to the system and allow 15 seconds form components

to stabilize.

3). With no pressure applied to the transmitter remove blowout disc and adjust

“zero” control so loop current is 4 mA.

4). Apply full span pressure and adjust loop current to 20 mA using “span” control.

5). Remove the milliammeter from the circuit, replace blowout disc, and place

system in service.

MAINTENANCE/REPAIR

After final installation of the Series 607 Differential Pressure Transmitter, no

routine maintenance is required. A periodic check of system calibration is

recommended. These devices are not field repairable and should be returned to

the factory if recalibration or other service is required. After first obtaining a

Returned Goods Authorization (RGA) number, send the material, freight prepaid,

to the following address. Please include a clear description of the problem plus

any application information available.

Dwyer Instruments, Inc.

Attn: Repair Department

102 Highway 212

Michigan City, IN 46360.

NOTE: RECEIVER MAY BE IN

SERIES WITH + or -

LEG OF CONTROL LOOP

POWER

SUPPLY

12-36 VDC

SEE FIG. C

RECEIVER (RL)

GROUND

OPTIONAL

SERIES 607

PRESSURE

TRANS-

MITTER

Figure B

1100

1000

900

800

700

600

500

400

300

200

100

LOOP RESISTANCE (Ω)

OPERATING RANGE

VMIN = 12V + (.022A x RL)

MAXIMUM VALUE (1090)

0 5 10 12 20 25 30 36 40

POWER SUPPLY VOLTAGE - VDC

Figure C

1.800.561.8187

QualityInstruments-Direct.ca

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