Riken Keiki SF6 Series Manual de usuario

PT3E-0220

SF6 GAS PURITY MONITOR

FI-21-SF6

Operator’s Manual

Request for the Customers

•Read and understand this manual before using the gas monitor.

•Use the gas monitor in accordance with the manual.

•Regardless of warranty period, we shall not make any compensation for accidents and

damage caused by using this product.

•Because this is a safety unit, daily maintenance, gas calibration for every six months, and

regular maintenance must be performed.

•The sensors of the gas monitor, having its sensor life, must be replaced at regular intervals.

•If any abnormality was found in the gas monitor, notify them to Riken Keiki headquarters or

authorized local representative immediately.

PT3E-0220

Introduction

Thank you for purchasing the Model FI-21-SF6. This instrument is a portable gas

monitor to measure SF6 Purity levels.

This instruction manual is a guidebook on how to operate the Model FI-21-SF6. Both

beginner users and experienced users must read this manual and understand the

contents thoroughly prior to operation.

This instrument is to be used solely for the purposes mentioned in this manual and

the attached measuring gas specifications.

For your safety, the following marks have been included in this manual.

Danger

The liability or exposure to harm or injury.

Warning

If the instrument is not operated accordingly, it may serve as a serious hazard or

health risk.

Caution

If the instrument is not operated accordingly, it may malfunction or serve as a serious

hazard.

PT3E-0220

Index

1. CAUTION ON USAGE…………………………………………………………………...3

2. PARTS AND PART FUNCTIONS……………………………………………………....4

3. STANDARD ACCESSORIES……...……………………………………..……………..7

4. TUBING STRUCTURE..…….…………………..…………………………………….…8

5. MEASURING PROCEDURES.….…..……….…….…………...……………………....9

5-1. Preparations for measuring….…..………………..…………......…………………....9

5-2. Power On…………………………………………….……………..…………………...9

5-3. AIR CAL (Zero Calibration)………………………………….…………...…………..10

5-4. Apply the sample gas…………….…….……...……………………….….…………10

5-5. Start measuring……….……………………..………………………..………………10

5-6. A temporary suspension of measuring…......……………..……………………….10

5-7. Quit measuring and Power OFF....................……………………………………...10

6. DISPLAYS AND HOW TO OPERATE………………………....………….………….11

6-1. Initial Displays..………………………….…………………………………………….11

6-2. Basic display for Measuring Mode…………………..………………………………12

6-3. Setting Display (SETTING MODE)………………………………………………….13

7. MAINTENANCE……………………………………………………….………………...15

7-1. Daily check…………………………………….…………………………………..…..15

7-2. Confirming sensitivities………………………………………….……….…….…….15

7-3. Frequency / Standard for replacing parts…..………………………………...…….15

8. DISPOSAL OF THE INSTRUMENT……………..……………………………………16

9. TROUBLE SHOOTING…………………………………………………………..……..16

10. SPECIFICATIONS…………………………………………………………..……..…..17

11. MEASURING PRINCIPLE…………………………………………………………….18

12. WARRANTY………………………………………………………………..…………..19

PT3E-0220

1. CAUTION ON USAGE

The following caution items must be followed to maintain the performance and safety

of the instrument.

¾Specification of this instrument is based on a non-explosive structure. Do not use it in

a place specified as a hazardous area.

¾Make any solutions for exhaust gas emitted from GAS OUT to avoid harmful gas from

emission (e.g. Use the instrument at well-ventilated space or outside.)

Danger

¾Use the batteries based on the specifications.

¾Replace the 4pcs batteries at the same time if battery replacement is necessary.

¾Use the specified AC adaptor if necessary.

Warning

¾Do not use this instrument close to other apparatus that generates a loud noise. It may

affect the wave form of the power source. If the AC adaptor is applied, do not use the

same power source as the other apparatus. And, use the power source based on the

specifications.

¾Do not operate the instrument in a place which has a reaction heat such as infrared

emitted from high temperatures. Also, be sure to avoid a place which has a direct

sunbeam that makes the instrument over 40ºC.

¾Interference Gas: The gases which are neither the target gas nor base gas. If there is

any interference gas in the measuring gas, the reading will be incorrect. Do not measure

gas containing interference gas.

¾Expose GAS OUT and REF. OUT to the air in order to match the pressure inside to the

atmospheric pressure.

¾Zero indication becomes unstable under rapid temperature change. Use the instrument

after fitting the instrument in ambient temperature.

¾When operating this instrument, keep it in a carrying case.

Caution

PT3E-0220

2. PARTS AND PART FUNCTIONS

GAS IN

Inlet for the sample gas.

A specific pressure-proof tube must be connected to the inlet, and the

sample gas must be supplied through the tube. The sample gas pressure

must be 0.15～0.7MPa.

Pressure Regulator

Regulator for reducing pressure of the sample gas supplied from GAS IN.

Adjust the pressure to be 0.1±0.02MPa while “SAMPLE GAS - AIR” Switch

Cock is turned lengthways.

“SAMPLE GAS -

AIR” Switch Cock

Switch Cock for changing over the Sampling Line and the GAS OUT / AIR

IN Line.

If the Switch Cock is turned sideways (a position as indicated upper left

figure), air (Zero Gas) is supplied from GAS OUT / AIR IN to the Measuring

Unit. If the Switch Cock is turned lengthways, the sample gas is supplied

from GAS IN to the Measuring Unit.

Flow Meter A

(Sampling Line)

Flow Meter for indicating a flow rate of the Sampling Line.

Adjust the flow rate to be over 0.4L/min while “SAMPLE GAS - AIR” Switch

Cock is turning lengthways.

Flow Meter B

(Measuring Line)

Flow meter for indicating a flow rate of the Measuring Line.

Adjust the flow rate to be 0.02L/min while “SAMPLE GAS - AIR” Switch

Cock is turned sideways.

Measuring Unit Instrument for measuring SF6 gas purity. The detail information is written

in page-4.

GAS OUT / AIR IN

Outlet for emitting surplus sample gas while “SAMPLE GAS - AIR” Switch

Cock is turned lengthways.

AND,

Inlet for taking air (Zero Gas) while “SAMPLE GAS - AIR” Switch Cock is

turned sideways (a position as indicated upper left figure)

Flow Meter A Flow Meter B Pressure Regulator

“SAMPLE GAS – AIR”

Switch Cock

Measuring Unit

GAS OUT / AIR IN

GAS IN

PT3E-0220

Measuring Unit

TOP (1) (2) (3) (4) (5) (6) (7) (8) (9)

(1) POWER key

Press this key to turn the power on until the buzzer beeps. Keep

pressing the key for approximately 3 seconds to turn the power

off.

(2) LCD display Concentration is displayed. The time, battery remainder, and

measure of gas and base gas are displayed as well.

(3) LED for “SAMPLING” The LED is on while the measuring unit is working.

(4)

MODE key

Keep pressing the MODE key for approximately 2 seconds while

the power is on, you can enter the “SETTING MODE”.

At the “SETTING MODE”, the time and the LCD contrast are

adjustable.

(CANCEL key) Contents selected by the▼▲keys are cancelled by this key.

(5)

SAVE key

Information about the Time/Date, Measuring Gas, base Gas, and

Displayed Concentration is saved by this key. The maximum

number of data points is 100.

(▼key) This key is used to adjust LCD contract or to move the cursor.

(6)

RANGE key Position of the decimal point on the concentration display can be

moved by this key.

(▲key) This key is used to adjust LCD contract or to move the cursor.

(7)

AIR CAL key When Zero adjustment is performed with Zero Gas (fresh air), this

key is used.

(ENTER key) Contents selected by the▼▲keys are fixed by this key.

(8) Buzzer Beeps when the power is turned on or off, or when special control

or incorrect operation takes place.

(9) Data Logger interface There is a data logger interface under the cover.

***Explanations in the ( ) are for use during “SETTING MODE”.

PT3E-0220

Right side Left side

Bottom

(10) GAS IN Inlet for measuring gas.

(11) REF. OUT

Outlet connected to the reference gas chamber and the pressure

sensor. The outlet must be exposure to the fresh air at atmospheric

pressure.

(12) GAS OUT Outlet for measuring gas supplied from the GAS IN.

(13) DC6V 6VDC Interface for the specific AC adaptor.

(14) REC. A jack for 0-1VDC output. (cable: option)

(15) Battery Cover Cover for the batter box.

(16) Screw Fixing screw for the battery cover. It can be opened or closed by a

screwdriver or coin.

(10)

(12)

(11)

(14)

(13)

(15)

(16)

PT3E-0220

3. STANDARD ACCESSORIES

The following parts are standard and optional accessories for the FI-21-SF6.

Nipple for the gas sampling point

Fix the screw-cutting side to the gas sampling point, and connect a pressure-proof tube end to

the coupler joint side.

Pressure-proof tube

Connect a pressure-proof tube end to the nipple for the gas sampling point, and connect the

opposite tube end to GAS IN on the sampling box. (Maximum pressure: 0.7MP / Length: 2m)

Alkaline battery (Size C / 4pcs)

The batteries are used to activate the FI-21-SF6.

Specific AC adaptor (Optional accessory)

The AC adaptor is optional accessory (Power Input: AC100~120V / Cable length 2ｍ)

PT3E-0220

4. TUBING STRUCTURE

A figure shows tubing structure of FI-21-SF6.

A sequence of actions for each case that “SAMPLE GAS – AIR” Switch Cock is turned

lengthways and sideways is indicated below.

While “SAMPLE GAS – AIR” Switch Cock is turned to sideways,

¾Air (Zero Gas) is supplied from the GAS OUT / AIR IN as long as a pump inside the

Measuring Unit works. (Flow rate: 0.2 L/min.)

AIR CAL (Zero Adjustment) can be performed under this condition.

While “SAMPLE GAS – AIR” Switch Cock is turned to lengthways,

¾The sample gas is supplied from the Flow meter A to GAS OUT / AIR IN Line (Flow rate: Over

0.4L/min)

¾Pressure of the sample gas is reduced to be as low level as atmospheric pressure and the

sample gas is supplied into the Measuring Unit by the pump work. SF6 gas purity is

measured at the Measuring Unit.

***It does not matter that the Flow Meter B indicates approximately 0.3ｍL/min at the

moment.

¾The surplus sampling gas is emitted from GAS OUT/ AIR IN

Flow Meter A (Sampling Line)

Flow rate: Over 0.4L/min

Regulator

Set pressure:

0.1MPa

GAS OUT /

GAS Chamber

REF Chamber

Measuring Unit

GAS OUT

/ AIR IN

Filter

Sample gas supplied pressure:

0.15～0.7MPa

(Reduce the pressure to be less

than 0.7MPa, if it is over.)

“SAMPLE GAS -

AIR” Switch Cock GAS IN

Pump

Flow Meter B

Measuring Line

(Measuring Line)

Flow rate: 0.2L/min

Sampling Line

IR IN Line

PT3E-0220

5. MEASURING PROCEDURES

5-1. Preparations for measuring

Apply the power to the instrument.

AC adaptor

Plug the specific AC adaptor in the 6VDC Interface located left

side on the sampling box.

Alkaline batteries

Take out the Measuring Unit from the sampling box, and set 4

pcs batteries (Size C) in the battery box located bottom of the

Measuring Unit.

Use a flat-blade screwdriver or a coin to open and close the

battery cover.

5-2. Power On

Make sure that the “SAMPLE GAS /

AIR” Switch Cock is turned sideways,

and then, the power is turned on by

pressing the POWER key until the

buzzer beeps.

5-3. AIR CAL (Zero Calibration)

Adjust the flow rate to be 0.2±0.04

L/min at flow meter “B” located right

on the panel, and verify that the

indication value has been stable and

press the AIR CAL key until it starts to

beep.

Screw

Picture: Left side on the

sampling box

Picture: Bottom of the

Measurin

Unit

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