Wise RL Series Manuel utilisateur

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

[email protected]

Cool-down and leak detector

(RL series)

R190 Series

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

[email protected]

Contents

1. General items......................................................................................................................2

1.1 Introduction.........................................................................................................................2

1.2 Application..........................................................................................................................2

1.3 Warranty............................................................................................................................. 2

2. Warning...............................................................................................................................3

3. Main specs..........................................................................................................................4

3.1 Explosion-proof...................................................................................................................4

3.2 Protection grade.................................................................................................................4

3.3 Temperature sensor types .................................................................................................4

3.4 Accuracy and tolerances....................................................................................................4

4. Design.................................................................................................................................5

4.1 Installation components......................................................................................................5

4.2 Basic pre-order design requirements.................................................................................5

4.3 Head...................................................................................................................................6

4.4 Sheathed cable (MI cable) .................................................................................................7

4.5 Types of temperature sensor ............................................................................................. 8

4.5.1 Resistance thermometer detector (RTD) ........................................................................8

4.6 Process connection unit................................................................................................... 10

4.6.1 Basic type......................................................................................................................10

4.7 Additional options.............................................................................................................11

4.7.1 Heat transfer block........................................................................................................11

4.7.2 Compression fitting........................................................................................................11

5. Installation guide ...............................................................................................................12

5.1 Pre-installation checks and precautions...........................................................................12

5.2 Installation requirement.................................................................................................... 13

5.3 Storage............................................................................................................................. 14

5.4 Installation order...............................................................................................................14

6. Wiring ................................................................................................................................17

6.1 Extension wire.................................................................................................................. 17

6.2 Precauation for wiring....................................................................................................... 18

6.3 Terminal block wiring........................................................................................................ 19

6.4 International color code table...........................................................................................20

7. Name plate........................................................................................................................ 21

7.1 Name plate indications.....................................................................................................21

8. Maintenance......................................................................................................................22

9. Defect................................................................................................................................22

10.User's duties......................................................................................................................23

11.Product return....................................................................................................................23

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

[email protected]

1. General items

1.1 Introduction

The Cryogenic leak detecting temperature sensor manufactured by Wise Co., Ltd. is a product

designed with a pressure-resistant explosion-proof structure. An explosion proof structure means that

explosions due to heat or flame inside a vessel do not affect outside gases. This reduces the risk of

explosion due to electrical sparks or arcs in explosive environments under normal and abnormal

circumstances. This product must be tested and stored in appropriate locations, and the requirements

provided in the documentation, test reports and handling manuals, etc., must be adhered to in order to

maintain optimum state during the duration of use.

1.2 Application

They are used for temperature measurement in cold or cryogenic industrial environments, such as

LNG tanks and oxygen temperature monitoring at pharmaceuticals and biotech R&D facilities.

Cryogenic technologies are widely used throughout various state-of-the-art industries such as food

science, agriculture, raw materials, and vaccine development. Most gases which are in a gaseous

state at room temperature liquefy at temperatures of -40℃or higher, by cryogenic gases such as

helium, hydrogen, neon, nitrogen, oxygen, argon and methane can be liquefied at temperatures of -

150℃or lower. Pt100 Ω sensors are commonly used for cryogenic applications, and are capable of

sensing temperatures from -196 to 600℃. K-type and T-type thermocouples can be used, but while

thermocouples are less expensive, they provide a smaller temperature range and the thin cables often

freeze and snap inside chillers. Use of a Pt100 Ω sensor is therefore recommended. They are used for

temperature measurements in various processes, and measured values are used for indication,

recording and control in control panels or process systems. Units can be designed to suit all

applications in accordance with customer requirements.

1.3 Warranty

If one causes damage to the product due to failures to comply with the user manual, or if one

arbitrarily remodels it, changes or repairs the product, the manufacturer will not be responsible for it,

and the product warranty period will expire.

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

[email protected]

2. Warning

Guide on handling for safe use

For the safe and correct use of the product, make sure to read the handling guide carefully before use.

Handling errors can cause device malfunctions, and it can lead to injury, accidents, etc.

Warning !

1) For the safety, only a worker with professional skills in electronics and electrical construction is

allowed to install the product.

2) Make sure to use the product within the rated input/output range set in the specifications.

3) Install the product in the environment of use indicated in the specifications.

4) Install wiring in accordance with the indoor wiring provisions and the Technical Standard for

Electrical Installations.

5) Make sure power has been cut off before performing wiring work.

6) Use wires with a sheath-insulated crimp terminal at the end.

7) Cable glands of the same explosion proof grade or higher.

8) Do not disassemble the product under any circumstances.

9) Use the product in the permissible temperature range.

10) Do not apply excessive loads, vibrations, or impacts.

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

[email protected]

3. Main specs

3.1 Explosion-proof

Model: R190 (RC Series)

Explosion-proof grade: Ex d IIC T6 Gb

Explosion-proof technology criteria: IEC 60079-0, IEC 60079-1

3.2 Protection grade

IP 56, 66

3.3 Temperature sensor types

Resistance thermometer detector (RTD): Pt 100Ω at 0 ℃

3.4 Accuracy and tolerances

Class A, B (IEC/EN 60751)

Tolerance

class

Temperature range of validity (°C)

Tolerance value (℃)

For wire wound resistors

For film resistors

-100 to +450

-30 to +300

± ( 0.15 + 0.002 | t | )

-196 to +600

-50 to +500

± ( 0.3 + 0.005 | t | )

Operating temperature range by type

Type

Operating temperature range(℃)

RTD

Pt 100 Ω

high-temperature

-200~100

medium

temperature

0~350

high-temperature

0~600

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

[email protected]

4. Design

4.1 Installation components

Head: Structure protecting electrical signals measured by sensor from external risk

(provided with components such as cable glands, earthing terminal and terminals)

Extension cable: Cable (Teflon(260°C)) for electric connection between sheathed cable(MI

cable) and Head

Sensor unit: Sheathed cable comprising thermocouple or RTD

Process connection unit: The connection between the measuring element and the process is

normally supplied as a flange type assembly.

Compression fittings: Select when process environment conditions require appropriate airtight

seals, according to external environment (vulnerable to contact with heat) temperature,

pressure and fluid medium

Additional accessories: Accessories available as an option for installation

(Clips, pads, spacers, stacking spring, heat shield, heat transmission block, pressure valve, etc)

Tailored design for all applications

4.2 Basic pre-order design requirements

High insulation characteristics are required to ensure that the sheath cable (MI cable) material

is protected from process temperatures.

The type of temperature sensor must be selected carefully depending on requirements.

(Check maximum allowable pressure and load, min./max working temperature, process fluid,

vibration)

The sheath cable (MI cable) material must be selected carefully, checking that the material is

appropriate to the material of the tank or pipe and the process environment.

Number and location of measuring points

Insertion length

Materials and process compatibility

Check that the product is compliant with existing control system requirements

A variety of miscellaneous designs specially engineered to customer applications are provided.

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

[email protected]

4.3 Head

Explosion proof head structure protecting against ingress of dust, fine particulate matter and water, etc.

Warning: Certified explosionproof cable glands must be used when installing in hazardous areas.

See the <Table: Head information> below for the types of cables that may be connected

Table : Head information

Head

Head material

Head thread

(Cable entry size)

Conduit adaptor

material

Explosion proof

(Dual entry type)

316SS

PF 1 1/4

PF 1 1/2

NPT 1 1/4

NPT 1 1/2

PT (unavailable)

Brass+Ni.plating

316SS

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

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4.4 Sheathed cable (MI cable)

A sheathed cable (MI cable) is an insulated cable for protecting an inner wire. The space between a

protection metal tube and inner wire or nickel wire is filled and sealed with the inorganic insulating

material magnesium oxide (MgO) at high temperature and high pressure.

Sheathed cable(MI cable) structure

1) Protection metal tube: Filled with inorganic insulating material to insulate and protect the inner wire

or nickel wire for metal tube

2) Inorganic Insulator: Highly pure magnesium oxide(MgO) powder to electrically insulate the

protection metal tube and inner wires

3) Internal conductor: The resistance temperature detector (RTD) is a nickel wire used for connecting

the resistor element to the terminal.

4) Insulating tube: Ceramic tube used to insulate and prevent short circuit between the resistor

element and the inner wire connection

5) Resistor element:A resistant platinum element for temperature measurement, fixed in place inside

the protection tube

6) The sheathed cable (MI cable) is flexible and mechanically robust. When installing with a curvature,

the minimum radius of curvature must be 5 times the outer diameter of the sheathed cable (MI

cable). (KS C 1616)

7) The sensor portion of a resistance temperature detector (RTD) contains a resistor element, and the

cable must be kept straight within 100mm from the sensor portion. (Do not bend)

8) Cables, plug-in connectors or connector sockets may be connected.

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

[email protected]

4.5 Types of temperature sensor

4.5.1 Resistance thermometer detector (RTD)

Resistance temperature detectors (RTD) operate according to the principle of thermal resistance. The

electrical resistance of a metal wire increases with temperature. Typical resistance temperature

detectors(RTD) elements made of copper, nickel or platinum have large variations in resistance

according to temperature change, and can more safety and accurately measure temperatures

compared to thermocouples(TC) However, they have limited temperature range and relatively high

cost. They require current to measure temperature, and heat generated by the resistance temperature

detectors (RTD) themselves may impact the accuracy of temperatures measured. Selecting an

resistance temperature detectors (RTD) appropriate for the location of temperature measurement is

most important to ensure accurate temperature measurement.Accordingly, when selecting a

resistance temperature detectors (RTD), sufficient consideration needs to be given to a structure

resistant to surrounding conditions such as heat, corrosion and mechanical impact, installation method,

resistance temperature detectors (RTD) element and protection tubing, etc.

Types of resistance thermometer detector(RTD)

1) Ceramic type (Pt100Ω): Platinum resistance thermometer detector (RTD) elements using ceramics

are used for measuring temperatures in the range of -196 ~ 600℃, and have superior

reproducibility and stability compared to other elements. These are used broadly for industrial

temperature measurements with margins of error ranging from ClassA and B to DIN IEC751, and

used in most standard resistance thermometer detector (RTD).

2) Film type (Pt100Ω): Allows for maximum exposure of the sensor, giving fast response times. Small

length and thickness allows installation in tight spaces, with high impact and vibration resistance.

Used for measuring temperatures in the range of -50 ~ 500℃, and used broadly for industrial

temperature measurements with margins of error ranging from ClassA and B to DIN IEC751, and

used in most standard resistance thermometer detector (RTD).

Ceramic type Film type

C-QIM-2731-T24_EN_Rev.2

Tel +82-2-300-2300

Fax +82-2-300-2400

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Inner wires

Nickel wire is typically used for connecting the resistor element to the terminal, and the 3-wire type

connection is standard.

1) 2-wire type: One wire is connected to each of the two terminals of the resistance thermometer

detector (RTD) element. This saves costs, but is subject to the impact of wire resistance and is not

suitable for high accuracy temperature measurements.

2) 3-wire type: Two wires are connected to one terminal of the resistance thermometer detector (RTD)

element, with a single wire connected to the other terminal. This reduces the impact of wire

resistance. Most commonly used for high reliability.

3) 4-wire type: Two wires are connected to each of the resistance thermometer detector (RTD)

terminals to eliminate the impact of wire resistance. Suitable for temperature measurements where

especially high accuracy is required.

4) Typical materials for resistance thermometer detector (RTD) internal wires are pure metals such as

nickel (Ni), copper (Cu), and platinum (Pt),etc

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