Setra Systems 567 Manuel utilisateur

Installation Guide

MODEL 567

Pressure Measuring Transducers

560550-0093

Rev A

1-800-257-3872 TOLL FREE

1-978-264-0292 FAX

www.Setra.com Web Site

Setra offers a complete line of

products for these industries:

Industrial

HVAC

Test & Measurement

Barometric

Ultra High Purity / Sanitary

Please Note:The Series 567 is designed and manufactured in accordance with sound engineering

practice as defined by the Pressure Equipment Directive 97/23/EC. This product must not be used as a

“safety accessory” as defined by the Pressure Equipment Directive, Article 1, Paragraph 2.1.3. The CE

Mark on the unit does not relate to the Pressure Equipment Directive.

INTRODUCTION

Series 567 are fluid pressure measuring transducers in which a four active arm Wheatstone bridge of thin

film CVD gauges, integral with a beam structure connected to a pressure summing diaphragm, is used to

convert fluid pressures into a proportional electrical signal.

Common integral electronics converts the input from the gauge to a 4-20mA 2-wire output signal.

Series 567 conform with the essential protection requirements of the EMC Directive 89/336/EEC

amended by certified type testing to EN 50082-2 and EN 60081-1.

Conformity with the requirements of the CE mark only applies when the installation

conditions described in these instructions have been met. For units supplied without

a cable assembly connection to the transmitter must be accomplished using Setra

Systems approved cable. see APPROVED CABLE section.

All instruments conform to the appropriate specifications and/or drawings applicable and have been

subjected to relevant strict quality control procedures.

HAZARDOUS PRODUCTS

The Consumer Protection Act of 1987, Section 6 of the Heath and Safety at Work Act 1974 and the

Control of Substances Hazardous to Health Regulations 1988 require that we advise recipients and

users of our products of any potential hazards associated with their storage, handling or use.

The products which our Company supplies may be classified as Electrical, Electro-Mechanical and

Electronic equipment.

These products are tested and supplied in accordance with our published specifications or individual

special requirements that are agreed in writing at time of order. They are constructed so as not to affect

adversely the safety of persons and property when properly installed, maintained and used by qualified

personnel, in the applications for which they were designed and manufactured

ACTION ON RECEIPT

*Check details on Calibration Certificate agree with data etched on transmitter body.

*Check accessories supplied include:

Calibration Certificate (or QA Certificate)

Seal, Dowty Bonded (where applicable)

Mating Connector (where applicable)

GENERAL

*Transducer should not be subjected to greater than the maximum allowable pressure and

the operating temperature specifications. SEE OPERABLE TEMPERATURE RANGE:

*Transducer should not be subjected to mechanical impact.

*In the event of fire the end user must ensure that the system pressure is vented to a safe

area.

*The effects of decomposition of unstable fluids should be considered by the user when

placing this device in service.

*The pressure transducer has no means of draining or venting, this must be performed by

another component in the end users system.

*Pressure range must be compatible with the maximum pressure being measured.

*Pressure media must be compatible with the transducer wetted parts which are 17-4 PH

stainless steels and Nickel Braze to BS 1845 : NK3/HTN2

*Exposed end of cable must be kept free from moisture.

*Liquid must not be allowed to freeze in the pressure port.

Full specifications for all products available on request from our Service Department.

MECHANICAL INSTALLATION

Pressure Connections: G¼ internal pressure connection to BS2779 as standard. Alternative fitted

as specified at time of order.

Pressure couplings screwed into G¼ pressure ports should have a maximum thread engagement 0.05”

(13mm) and UNDER NO CIRCUMSTANCES be allowed to touch the pressure sensitive

diaphragm. Pressure couplings should be sealed against the outer face at the pressure port entry using

bonded seal washer such as:-

Part Number Description

GA29 G¼ bonded seal up to +100°C operation.

Dowty Ref: 400-021-4490-02

Refer to Dowty for external pressure ratings.

Mounting: Pressure Transducer is designed to be attached by the coupling thread only. Omni-

directional. To fit, use a 22.2 mm (7/8 inch) AF wrench on the hexagon provided and apply maximum

torque of 11.65 lbf-ft (15.8Nm). The Customer must ensure that the pressure seal is suitable for the

application. If in doubt contact Setra Systems.

Vibration: Where present, mount in a saddle clamp such as part number GA19 (material:

Polypropylene). Position the clamp as close to the pressure port as practicable.

Effects of Heat: Avoid mounting the transducer near a source of heat which is liable to create a

temperature gradient across the instrument. If this is unavoidable, use a heat shield to deflect uneven

radiated heat or wrap the transducer in glass fibre insulation so that an even temperature is assumed

throughout.

High Temperature Pressure Measurement: Possible using a length of piping or a "syphon" to

isolate the instrument from the hot media. Since there is no flow, the temperature drop along the tubing

is considerable and usually a relatively short length is sufficient to bring the pressure media temperature

within acceptable limits for the instrument. Alternatively a temperature isolator, part number GA33, can

be fitted (G¼ connection only). Pressure media must not be allowed to solidify in the tube and/or

pressure port.

ELECTRICAL INSTALLATION

All types include suppression devices providing transient protection to EN 61000-4-2 and EN 61000-

4-4.

For all types conformity with the requirements of the CE mark only applies when

connection is made with Setra Systems approved cable, See APPROVED CABLE

section, and the shield of that cable is connected to a reliable grounding point at the

instrumentation end.

APPROVED CABLES

Setra Systems uses cable comprising 7 color-coded wires, with a central vent tube, enclosed by an

aluminium/polyester shield where the shield is in contact with a separate drain wire. The outer shield

material is Polyurethane (immersible, +70°C). Other shield materials available on request for harsh

environments.

OPERATION

Having installed the transducer as instructed it is ready for use. The transducer should not be removed

whilst the system is at pressure. Before applying power, check that the correct polarity and excitation

levels are being applied. See ELECTRICAL REQUIREMENTS.

OPERABLE TEMPERATURE RANGE

Cable Versions: -4°F to +122°F (-20°C to +50°C)

Connector Versions: -4°F to +185°F (-20°C to +85°C)

Process Media (connector version only): -22°F to +212°F (-30°C to +100°C)

OPERATIONAL LIFE

Limited to 3 million full scale cycles.

CALIBRATION

Transducers are calibrated to the datum requested at time of order as follows:

G-gauge datum vented to atmosphere via the electrical connection

A-absolute datum

ADJUSTMENT OF ZERO AND SPAN CONTROLS

Switch and potentiometers provide continuous adjustment over the range 120% to 17% of nominal

pressure range.

Zero and Span controls are precisely set during manufacture and should only need adjustment if there is

a change in the required pressure measurement.

Access to these controls is provided by means of a removable end plate. Remove the 3 retaining screws

using 2.5mm A/F hex wrench and withdraw end plate.

Caution: Care should be taken in withdrawing end plate so as not to disconnect internal plug.

To maintain sealing integrity ensure end cap ‘O’ ring is correctly seated and clean prior to re-fitting.

RANGE SWITCH DETAILS

Switch Position

(Current Mode)

Downranging

Scope

(Nominal)

Switch Position

(Current Mode) Downranging Scope

(Nominal)

0120 to 74% A33 to 18%

194 to 57% B31 to 17%

276 to 46% CNot Used

365 to 39% DNot Used

456 to 33% ENot Used

550 to 29% FNot Used

645 to 26%

741 to 23%

839 to 22%

936 to 20%

LOAD RESISTANCE

The total permissible resistive load in the loop (to include all the cable resistance, and in the I.S. versions

the internal resistance of the Galvanic Isolator) can be from 'zero to 50 x (supply volts -8.5) ohms' e.g.

with a 24V d.c. supply the permissible load is from zero up to 775 ohms (Figure 1).

FIGURE 1

SUPPLY VOLTAGE

Non I.S: 8.5 to 40V d.c.

I.S: 8.5V to 28V d.c.

MAINTENANCE

Routine Inspection: Not required except for periodic inspection of the cable to ensure that these are

neither damaged nor softened by incompatible liquid.

DO NOT use high voltage insulation testers or any device which generates more than 50V d.c. for this

test.

CAUTION

CARE MUST BE TAKEN NOT TO TOUCH THE PRESSURE SENSITIVE

DIAPHRAGM WHILE CLEANING THE PRESSURE PORT. FAILURE TO

OBSERVE THIS PRECAUTION CAN CAUSE IRREPARABLE DAMAGE.

WARRANTY

The Company warrants its products to be free from defects in material and workmanship in normal use

and service for a period of two years from date of shipment. The Company reserves the right and

option to refund the purchase price in lieu of repair or replacement upon evaluation of the returned

original part. Modification, misuse, attempted repair by others, improper installation or operation shall

render this guarantee null and void. The Company makes no warranty of merchantability or fitness for a

part or purpose.

SERVICING

The transducer cannot be repaired locally and if damaged should be returned to Setra Systems with the

following:

1. Name and phone number of person to contact

2. Shipping and billing information

3. Full description of malfunction

4. Remove any pressure fittings and plumbing that you may have installed and enclose any required

mating electrical connectors and wiring diagrams.

Please ship prepaid to Setra Systems at the address shown below or to your local Setra Distributor

when a replacement/repair is required:

United States Outside The United States

Setra Systems Inc Contact your local Setra Distributor

159 Swanson Road

Boxborough. MA 01719

Attn: Repair Department

RETURN TO FACTORY

PLEASE NOTE: To comply with Health and Safety requirements, the instrument must be clean and

safe to handle and accompanied by a formal statement to that effect duly signed by an authorised officer

of the Company.

Any instrument returned without certification will be quarantined and no action will occur until cleared. It

may ultimately be returned to you and subject to a transportation charge.

ELECTRICAL CONNECTION

WIRING

ELECTRICAL CONNECTION (+) (-) Earth

E2 DIN 1 2 4

B3 10-6 bayonet ABE

UA IP68 Cable RBL Drain

159 Swanson Road, Boxborough, MA 01719-1304

Tel: 800-257-3872 / 978-263-1400

OP567 Rev A 11/03

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