RKI Instruments SP-220 TYPEH2 Manuale utente

Portable Gas Leak Detector

SP-220 Series

TYPE H2

Operating Manual

Part Number: 71-0420

Revision: A

Released: 4/9/19

- 2 -

Contents

1. Outline of the Product.....................................................................................................................................3

Preface............................................................................................................................................................3

Purpose of use................................................................................................................................................3

Definition of DANGER, WARNING, CAUTION and NOTE.............................................................................3

How to check the standards and explosion-proof specifications ...................................................................3

2. Important Notices on Safety...........................................................................................................................5

2-1. Danger cases...........................................................................................................................................5

2-2. Warning cases.........................................................................................................................................6

2-3. Precautions..............................................................................................................................................7

2-4. Safety information (for ATEX/IECEx specifications)................................................................................9

3. Product Components....................................................................................................................................10

3-1. Names and functions for each part .......................................................................................................10

4. How to Use...................................................................................................................................................13

4-1. Before using the detector ......................................................................................................................13

4-2. Preparation for start-up..........................................................................................................................13

4-3. How to replace the batteries..................................................................................................................13

4-4. How to start the detector .......................................................................................................................15

4-5. Basic operating procedures...................................................................................................................17

4-6. How to detect.........................................................................................................................................18

4-7. Changing the alarm setpoint .................................................................................................................19

4-8. Performing air calibration ......................................................................................................................20

4-9. Snap logger ...........................................................................................................................................21

4-10. Peak hold function...............................................................................................................................22

4-11. Changing the alarm and operation sounds .........................................................................................22

4-12. How to turn on the illumination lamp...................................................................................................23

4-13. Power-off .............................................................................................................................................23

5. Display Mode................................................................................................................................................24

5-1. Entering the display mode.....................................................................................................................24

5-2. Measured gas reading setting...............................................................................................................26

5-3. Log data display ....................................................................................................................................28

6. User Mode....................................................................................................................................................29

6-1. Entering the user mode.........................................................................................................................29

6-2. Date/time setting....................................................................................................................................31

6-3. Clock function ON/OFF setting..............................................................................................................32

7. Alarm Function..............................................................................................................................................33

7-1. Gas alarm activation..............................................................................................................................33

7-2. Fault alarm activation ............................................................................................................................33

8. Maintenance.................................................................................................................................................34

8-1. Maintenance intervals and items...........................................................................................................34

8-2. How to clean..........................................................................................................................................36

8-3. Parts replacement .................................................................................................................................36

9. Calibration Mode ..........................................................................................................................................39

9-1. Fresh Air Adjustment .............................................................................................................................39

9-2. Preparing for a Span Adjustment (Gas Bag).........................................................................................41

9-3. Preparing for a Span Adjustment (Demand Flow Regulator)................................................................42

9-4. Automatic Span Adjustment...................................................................................................................42

9-5. Manual Span Adjustment.......................................................................................................................47

9-6. Password...............................................................................................................................................51

10. Storage and Disposal.................................................................................................................................54

10-1. Procedures to store the detector or leave it for a long time................................................................54

10-2. Procedures to use the detector again.................................................................................................54

10-3. Disposal of products............................................................................................................................55

11. Troubleshooting..........................................................................................................................................56

12. Spare Parts List..........................................................................................................................................58

13. Product Specifications................................................................................................................................59

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Outline of the Product

Preface

Thank you for choosing our portable gas leak detector SP-220 series (hereinafter referred to as the

detector). Please check that the model number of the product you purchased is included in the

specifications on this manual.

This manual explains how to use the detector and its specifications. It contains information required for

using the detector properly. First-time users and users who have already used the product must read and

understand the operating manual to enhance the knowledge and experience before using the detector.

Note that the contents of this manual are subject to change without notice for product improvement. It is

also prohibited to copy or reproduce this manual, in whole or in part, without permission.

Regardless of warranty period, we shall not make any indemnification for accidents and damage caused by

using the detector.

Make sure to read the warranty policy specified on the warranty.

Purpose of use

This detector is used to detect a single channel, such as hydrogen (H2), etc., in air.

Detection results are not intended to guarantee life or safety in any way.

Definition of DANGER, WARNING, CAUTION and NOTE

Throughout this manual, the following indications are used to ensure safe and effective work.

DANGER This message indicates that improper handling may cause serious

damage on life, health or assets.

WARNING

This message indicates that improper handling may cause serious

damage on health or assets.

CAUTION This message indicates that improper handling may cause minor damage

on health or assets.

NOTE

This message indicates advice on handling.

How to check the standards and explosion-proof

- 4 -

specifications

The detector has different specifications depending on the standards or explosion-proof certification type.

Check the specifications of the product you have before use. See the Declaration of Conformity at the end

of this operating manual for CE marking specifications.

For the product specifications, check the nameplate attached to the product shown in the following figure.

(1) Nameplate example of TIIS

specifications

(2) Nameplate example of CE marking

specifications

* The above nameplate (1) or (2) is

attached depending on the specified

explosion-proof specifications.

Ex mark

CE mark

- 5 -

Important Notices on Safety

To maintain the performance and use the detector safely, observe the following instructions of DANGER,

WARNING, and CAUTION.

2-1. Danger cases

DANGER

About use

•While conducting measurement in a manhole or confined space, do not lean over or look into

the manhole or closed space. It may lead to dangers because oxygen-deficient air or other

gases may blow out.

•Oxygen-deficient air or other gases may be discharged from the gas exhausting outlet of the

detector. Never inhale the air or gases.

•High-concentration (100% LEL or higher) gases may be discharged from the gas exhausting

outlet of the detector. Never use fire near it.

- 6 -

2-2. Warning cases

WARNING

Sampling point pressure

•The concentration meter is designed to draw gases under the atmospheric pressure. If

excessive pressure is applied to the gas inlet and outlet of the detector, measured gases may

leak out from its inside and may cause dangerous conditions. Be sure that excessive pressure

is not applied to the detector’s inlet or outlet during use.

Air calibration in atmosphere

•Perform an air calibration in a fresh air environment. If interference gases or other gases exist,

the adjustment cannot be performed properly, thus leading to dangers when gas is present.

Response to gas alarm

•A gas alarm is triggered by changes in temperature and humidity. In such a case, check the

atmosphere for freshness and perform air again in the measured atmosphere.

Example) If the detector is turned on in a room with a temperature of 20ºC and a humidity of

40% RH and taken outside (a temperature of 30ºC and a humidity of 60% RH), an alarm is

triggered by humidity changes. In such a case, perform air calibration outside and measure.

The detector performs air calibration automatically when it is turned on. Even in such a case,

check the atmosphere for freshness and perform air calibration again in the measured

atmosphere.

WARNING

Battery level check

•Before use, check that there remains sufficient battery power. When the detector is not used for

a long period, the batteries may be exhausted. Never fail to replace them with new ones before

use.

•If a low battery voltage alarm is triggered, gas detection cannot be conducted. If the alarm is

triggered during use, turn off the power and promptly replace the batteries in a safe area.

Others

•Do not throw the detector into fire.

•Do not wash the detector in a washing machine or ultrasonic cleaner, etc.

•Do not block the buzzer sound opening. No alarm sound can be heard.

•

Do not remove the battery while the power is on.

- 7 -

2-3. Precautions

CAUTION

Do not use the detector where it is exposed to oil, chemicals, etc. Do not submerge the detector

under water on purpose.

•Do not use in a place where the detector is exposed to liquids such as oil and chemicals.

•The detector is not water-pressure-resistant. Do not use the detector where a high water pressure is

applied to it (under a faucet, shower, etc.) or submerge it under water for a long time. The detector

is water-proof only in fresh water and running water, and not in hot water, salt water, detergent,

chemicals, human sweat, etc.

•The gas inlet and outlet are not water-proof. Be careful not to let water such as rainwater, etc. get

into these parts. Because this may cause trouble and gas cannot be detected.

•Do not place the detector where water or dirt gets accumulated. The detector placed at such a

location may cause malfunction due to water or dirt that gets into the buzzer opening, etc.

•Note that drawing in dirty water, dust, metallic powder, etc. will significantly deteriorate the sensor

sensitivities. Be careful when the detector is used in an environment where these elements exist.

Do not use the detector in a place where the temperature drops below -20ºC or rises over 55ºC.

•The operating temperature of the detector is -20 to +55ºC. Do not use the detector at higher

temperatures, humidities and pressures or at lower temperatures than the operating range.

•Avoid long-term use of the detector in a place where it is exposed to direct sunlight.

•Do not store the detector in a sun-heated car.

•Avoid a sudden humidity or temperature change.

•Do not leave the detector in a place with high temperature and humidity for a long time. The

performance of the unit may deteriorate.

Observe the operating restrictions to prevent condensation inside the concentration meter or gas

sampling hose.

•Condensation formed on the detector or taper nozzle causes clogging, gas adsorption, etc., which

may disturb accurate gas detection. Thus, condensation must be avoided. In addition to the

installation environment, carefully monitor the temperature/humidity of the sampling point to prevent

condensation, etc. on the detector or taper nozzle. Please observe the operating restrictions.

Do not use a transceiver near the detector.

•Radio wave from a transceiver or other device near the detector may disturb readings. If a

transceiver or other radio wave transmitting device is used, it must be used in a place where it

disturbs nothing.

•Do not use the detector near a device that emits strong electromagnetic waves (high-frequency or

high-voltage devices).

Verify that the flow check display is rotating before using the detector.

•If the flow check display is not rotating, the detector is not operating properly. Check whether the

flow rate is lost.

Never fail to perform a regular maintenance.

•Since this is a precision device, a regular maintenance must be performed. Continuing to use the

detector without performing maintenance will compromise the sensitivity of the sensor, thus

resulting in inaccurate gas detection.

- 8 -

CAUTION

Others

•After a gas continuously comes into contact or a highly-concentrated gas comes into contact,

the detector may stay in alarm. In such a case, draw fresh air for more than five minutes

(recommended) and perform air calibration again.

•Pressing buttons unnecessarily may change the settings, preventing alarms from activating

correctly. Operate the detector using only the procedures described in this operating manual.

•Do not drop or give shock to the detector. The accuracy of the detector may be deteriorated.

•Do not jab the buzzer opening with a sharp-pointed item. Doing so may cause a failure or

damage.

•Do not remove the panel sheet on the display. The water-proof and dust-proof performances

will be deteriorated.

•Do not affix a label or the like on the infrared port. Infrared communications can no longer be

conducted.

•The operating environment may include gases that have harmful effects on the sensor of the

detector. The detector cannot be used in the presence of the following gases:

(1) High-concentration sulfides (such as H2S, SO2, etc.)(2) Halogen gases (such as chloride

compounds, etc.)(3) Silicone (Si compounds)(4) High-concentration solvent gasesDo not use

the detector in the presence of the above (1), (2), and (3) gases (such as high-concentration

sulfides, halogen gases, silicone, etc.), which may shorten the sensor life significantly or cause

malfunctions such as inaccurate readings.

In case the detector is used for detection in the presence of silicone, etc., be sure to check the

gas sensitivities before using it again.

If the above (4) gas (high-concentration solvent gas) is exposed, a crack may occur in the unit.

Thus, do not use high-concentration solvent gases.

About battery replacement

•Never fail to turn off the power of the detector before replacing the batteries.

•Replace both of the two batteries with new ones at one time.

•Pay attention to the polarities of the batteries.

Usage

•In a low-temperature environment, the operating time is shortened due to the battery

performance property.

•At low temperatures, the responses of the LCD display may slow down.

•Perform air calibration under pressure and temperature/humidity conditions close to those in

the operating environment and in fresh air.

•Perform air calibration after the reading is stabilized.

•If there is a sudden temperature change of 15ºC or more between the storage and operational

locations, turn on the power of the detector, let it stand for more than 5 minutes in a similar

environment to the operational location, and perform air calibration in fresh air before using it.

•When cleaning the detector, do not splash water over it or use organic solvents such as alcohol

and benzine on it. The surface of the detector may be discolored or damaged.

•If the detector is not used for a long time, turn on the power at least once every six months and

check that the pump draws in air (about three minutes). The detector, when not activated for a

long time, may cease to work because of hardening of the grease in the pump motor.

•If the detector is not used for a long time, store it after removing the batteries. Battery leaks

may result in fire, injury, etc.

•When the detector is used again after a long-period storage, never fail to perform air

calibration. For information on readjustment including air calibration, please contact RKI.

- 9 -

2-4. Safety information (for ATEX/IECEx specifications)

Portable gas leak detector SP-220 is a gas detector to continuously detect combustible gases.

The detector draws gases with the internal micro pump.

Use only two TOSHIBAAA alkaline batteries (LR6T) connected in series for power supply.

Do not replace the dry batteries in a hazardous location.

Explosion-proof specifications

･Ex ia IIC T4 Ga

･Operating temperature range: -20 to +55°C

Electrical specifications

･Only TOSHIBAAAalkaline batteries (LR6T) can be used.

Certificate Number

･IECEx: IECEx PRE 15.0060

･ATEX: Presafe15 ATEX7188

Applied standards

･IEC 60079-0:2011 ･EN60079-0:2012

･IEC 60079-11:2011 ･EN60079-11:2012

Precautions

･Do not replace the battery unit in a hazardous location.

･Do not replace the dry batteries in a hazardous location.

･Do not disassemble/modify the unit.

･Use only TOSHIBAAA alkaline batteries (LR6T) for the dry battery unit.

INST. No. 0 0 0 0 0 0 0 0 0 0 0

A B C D E

A: Manufacturing year (0-9)

B: Manufacturing month (1-9, XYZ for Oct.-Dec.)

C: Manufacturing lot

D: Serial number

E: Factory code

Manufacturer

RIKEN KEIKI CO., LTD.

2-7-6 Azusawa, Itabashi-ku, Tokyo, 174-8744 Japan

Web site: http://www.rikenkeiki.co.jp/

NOTE

TOSHIBAAA alkaline batteries (LR6) can be used for TIIS specifications.

･

II 1 G Ex ia IIC T4 Ga

- 10 -

Product Components

3-1. Names and functions for each part

This section describes names and functions of main unit, the battery unit parts, and the LCD display.

Main unit

No.

Name

Function

(1)

Gas inlet

Collects gases.

(2)

Alarm LED arrays

Blinks or lights up in response to an alarm.

(3)

LCD display

Displays gas concentrations, measured gas name, alarms, etc.

(4)

AIR button

Keep this switch pressed to perform air calibration. Used to change the

screen and decrease numerical values in the setting mode.

(5) MODE button

Press this switch to change between display modes. Used to change

the screen and increase numerical values in the setting mode.

(6)

POWER button

Turns the power ON or OFF. Used to change the screen and confirm

values in the setting mode.

(7)

Gas outlet

Exhausts the gas drawn into the detector. (Do not block it.)

(8)

Alarm LED arrays

Blinks or lights up in response to an alarm.

(9)

Infrared port

Used during infrared communications.

(10)

Battery cover

Protects the battery. Remove it to replace the batteries.

(11)

LED light

Provides you light for work.

(10)

(11)

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

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