RHS SF6 Analyzer 973 Manuale utente

SF6Analyzer 973

Operation Manual

Version 973-SF6

V1.5

RH Systems

11500 Signal NE, Bldg 2

Albuquerque, NM 87122

505-856-5666 voice

505-856-5866 fax

www.rhsystems.net

[email protected]

Warranty

RH Systems (RHS) warrants the products it manufactures or distributes to be free of defects

in material and workmanship under normal use and service when operated within the speci-

fied design limitations for a period of 12 months from date of initial shipment. Under this War-

ranty, RHS will, at its discretion, repair or replace any component that upon examination by

RHS or its duly authorized representatives proves to be defective during the warranty period

provided the system is returned to the factory for inspection and repair shipping prepaid. Im-

proper or unauthorized maintenance, storage, repair, or alteration of any kind by personnel

other than RHS or its duly authorized representatives may void all warranties. Warranty may

also be voided for misuse, neglect, accident, corrosion, and improper installation. This War-

ranty is exclusive and in lieu of any and all other warranties of merchantability, fitness for a

particular purpose, or any other warranty, expressed or implied, and all other liabilities and

obligations on the part of RHS. RHS will not be liable for any other claims or damages, either

direct, indirect, or consequential arising out of the use of its products.

Table of Contents

TABLE OF CONTENTS ......................................................................................I

GENERAL ..........................................................................................................1

SHORT DESCRIPTION......................................................................................3

OPERATION.......................................................................................................5

Front Panel.................................................................................................................................5

Back Panel.................................................................................................................................8

INITIAL SETUP ..................................................................................................9

Preparation.................................................................................................................................9

Electrical Connection ................................................................................................................. 9

Connection of the Serial Interface..............................................................................................9

RS 232 – USB Converter / MSCOMM32 Driver Installation....................................................10

SF6Gas Connection ................................................................................................................11

Evacuate the Sampling Tube...................................................................................................12

Evacuation of the Internal Storage Tank .................................................................................13

SF6Gas Connection to the Compartment ...............................................................................14

MEASUREMENT..............................................................................................15

Measurement Start...................................................................................................................15

Termination of Measurement...................................................................................................16

Measuring Range Limitations ..................................................................................................17

Alarm Messages ......................................................................................................................17

Measurement Aborted .............................................................................................................17

Measurement of Nitrogen (N2).................................................................................................18

Data Collection over RS 232 with Protocol.............................................................................. 19

MEASUREMENT OPTIONS.............................................................................21

Navigating the Menus..............................................................................................................21

SO2MODULE...................................................................................................23

SO2Module..............................................................................................................................23

TEST FUNCTIONS...........................................................................................25

Ice Test ....................................................................................................................................25

973-SF6 E V1.5 RHS i

ADDITIONAL FUNCTIONS..............................................................................29

Selection of the Indicated Parameters.....................................................................................29

Selection of Units..................................................................................................................... 30

Changing Color........................................................................................................................31

Storage of the Actual Settings .................................................................................................32

Restore Color Settings and Baud Rate.................................................................................... 33

MAINTENANCE ...............................................................................................35

Touch Screen Calibration ........................................................................................................ 35

Mirror Cleaning.........................................................................................................................36

Exterior Cleaning......................................................................................................................37

SPECIFICATIONS............................................................................................39

ii 973-SF6 E V1.5 RHS

General

This manual explains the function of the SF6Analyzers 973, Version 973-SF6. In this manual the

instrument will be called 973.

Vol SF6 % All descriptions in bold and italic are related to the text on the front

panel, the display and the back panel of the 973.

If you wish to use the instrument as quickly as possible, we recommend reading the chapters

Initial Setup (page 9) and Measurement (page 15). Standard use of the instrument is ex-

plained in these two chapters.

973-SF6 E V1.5 RHS 1

Short Description

Reliable SF6Measurement

The 973 was specifically designed for measurement of Humidity and SF6Purity in gas insulated

switchgear systems. Humidity Measurement data is displayed in ppmv, ppmwand Dew/Frost

Point. Purity Measurement is displayed directly in % Volume SF6. Both the Humidity and Purity

measurements utilize accurate and reliable condensation techniques.

Gas Recovery and Pressure Measurement

The 973 is equipped with a gas recovery system that stores the sampled gas during the meas-

urement process in its internal storage tank. After completion of the measurement, the stored

gas is automatically pumped back into the original compartment or into another vessel. The

compartment pressure is also measured.

Easy, Automated Measurement

The 973 is equipped with a user configurable full color active matrix LCD with integrated touch

screen. The 973 may be configured for measurement of Humidity and % Volume SF6with either

automatic or manually initiated Pump Back. In addition the 973 measures the pressure of the

connected gas compartment. Using the bi-directional RS 232 communications port, all meas-

urement data may be easily transferred into a computer.

Calibration

Easily check the calibration at any time using the built-in Ice Test function, providing instant

proof of system accuracy and integrity.

Connect and Go

The system is supplied ready for immediate use.

973-SF6with Standard Accessories

Transport Case

6m Stainless Steel armored PTFE tubing

DILO coupling DN20 and DN8

3 m RS 232 cable incl. USB adapter with USB cable

3 m power cable

Operation Manual

CD-ROM

973-SF6 E V1.5 RHS 3

Operation

Front Panel

SF Analyzer 973

Status of Measurement

Internal

Tank Capacity

Menu Keys

Fixed Function Keys

Data Lines

Measuring Head

Keypad

Touch Screen

enter

exp

LCD Display with Touch Panel

The 973 utilizes a full color active matrix liquid crystal display with an integral touch panel. It has

a high contrast ratio and a wide viewing angle for easy readability. Data is displayed in large

easy to read fonts. Using the on screen function and menu keys, you can easily configure each

line of the display and navigate the menus.

973-SF6 E V1.5 RHS 5

Data Lines

The first four lines of the display are for numeric or graphic representation of the measured data.

We refer to those first four lines as Data Lines. Numeric data lines contain the value to the left,

with the parameter description and units to the right. The displayed parameters and units can be

changed, but after a restart of the instrument the values will be reset to the stored standard con-

figuration.

1. Data Line

This line displays the measured Dew/Frost Point.

The unit is °C related to atmospheric pressure.

2. Data Line

This line displays the humidity content in ppmw

(parts per million weight). This unit is pressure in-

dependent.

3. Data Line

This line displays the SF6purity in % Volume.

4. Data Line

This line indicates the current pressure of the gas

compartment. The unit is kilo pascal absolute pres-

sure.

5.200

-35.6

99.8

650.5

Frost Point

°C (at atm. P)

Weight Ratio

ppmw SF6

Volume SF6

Vessel Pressure

kPa abs.

Pump

Humidity

% Vol SF6

Pump Back Internal

Cylinder

Start

The data lines indicating the measured Humidity as well as the % Volume SF6will only be dis-

played after completion of the measurement. During the measurement only the current gas

pressure of the measured compartment is indicated.

Fixed Function Keys and Status Line

The bottom line of the display contains two fixed

function keys. By pressing the Start button the

measuring process will be started. With the Pump

button the pump back of the stored gas in the inter-

nal tank can be activated manually. These function

keys are not changeable and are always available.

Additionally this line contains the status indication,

which indicates the current operation mode. The

level indicator of the internal tank indicates the cur-

rent storage capacity.

Pump

Humidity

% Vol SF6

Pump Back Internal

Cylinder

Start

Menu Keys

To the right side of the display is a column of menu

keys. Each of these keys changes function as nee-

ded.

Notice that the bottom key in this column is different

from the rest. The bottom key is used to cycle the

upper keys through the various menu options. The

text on the bottom key changes to indicate the cur-

rently selected menu option. The text of the upper

keys change based on the functions available in the

menu.

Use the

bottom

key to

change

menus.

6 973-SF6 E V1.5 RHS

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